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* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-06-03 14:07 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-06-03 14:07 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=977736958eb508c775915c6ab57dbc82569057f7
commit 977736958eb508c775915c6ab57dbc82569057f7
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-06-09 21:21 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-06-09 21:21 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6cfe141fd68a0335f7a32fb7db4f6c5b468aceba
commit 6cfe141fd68a0335f7a32fb7db4f6c5b468aceba
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-06-09 13:17 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-06-09 13:17 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6cfe141fd68a0335f7a32fb7db4f6c5b468aceba
commit 6cfe141fd68a0335f7a32fb7db4f6c5b468aceba
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-05-13 14:20 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-05-13 14:20 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bd6c65c976ee880d6188d3696b34d4aaef7bc9a8
commit bd6c65c976ee880d6188d3696b34d4aaef7bc9a8
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-05-12 19:34 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-05-12 19:34 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=1c8c306e81126160af428fa67f4ff3d95abd21c3
commit 1c8c306e81126160af428fa67f4ff3d95abd21c3
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-05-10 18:25 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-05-10 18:25 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=e80dad4464d2b7d8d7979e72774e7cfe11832115
commit e80dad4464d2b7d8d7979e72774e7cfe11832115
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-04-29 14:05 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-04-29 14:05 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=82e470cb8d490a2f24fdf98e25b49a45f472860b
commit 82e470cb8d490a2f24fdf98e25b49a45f472860b
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-04-04 12:55 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-04-04 12:55 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b4338da21fc709d408ed2bb0f93f082838de0d1c
commit b4338da21fc709d408ed2bb0f93f082838de0d1c
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-03-31 19:07 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-03-31 19:07 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=a3cc22dca6dfc5e1c9618e70bce2d9206c56f53f
commit a3cc22dca6dfc5e1c9618e70bce2d9206c56f53f
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-03-29 20:30 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-03-29 20:30 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bfa1d663339e38583879d7aca2c2eb8f67be639a
commit bfa1d663339e38583879d7aca2c2eb8f67be639a
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
* [glibc/azanella/clang] powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
@ 2022-03-16 18:04 Adhemerval Zanella
0 siblings, 0 replies; 11+ messages in thread
From: Adhemerval Zanella @ 2022-03-16 18:04 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=246593c91ec62e4f1109c409874d737eaba9dbe8
commit 246593c91ec62e4f1109c409874d737eaba9dbe8
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Wed Mar 16 13:58:16 2022 -0300
powerpc: Replace AC_LANG_PROGRAM with AC_TRY_COMMAND
The IBM long double configure checks uses function, which turn in
nested functions by AC_LANG_PROGRAM. If the compiler does not
supported nested function, the test always fail.
Diff:
---
sysdeps/unix/sysv/linux/powerpc/configure | 59 +++++++++++-----------------
sysdeps/unix/sysv/linux/powerpc/configure.ac | 42 +++++++++++---------
2 files changed, 47 insertions(+), 54 deletions(-)
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..9000c0c98c 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -1,36 +1,29 @@
# This file is generated from configure.ac by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format" >&5
$as_echo_n "checking whether $CC $CFLAGS -mlong-double-128 uses IBM extended format... " >&6; }
if ${libc_cv_mlong_double_128ibm+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
+EOF
+libc_cv_mlong_double_128ibm=no
+if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+then
libc_cv_mlong_double_128ibm=yes
-else
- libc_cv_mlong_double_128ibm=no
fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
-CFLAGS="$save_CFLAGS"
+rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mlong_double_128ibm" >&5
$as_echo "$libc_cv_mlong_double_128ibm" >&6; }
@@ -41,30 +34,24 @@ $as_echo_n "checking whether $CC $CFLAGS supports -mabi=ibmlongdouble... " >&6;
if ${libc_cv_mabi_ibmlongdouble+:} false; then :
$as_echo_n "(cached) " >&6
else
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- cat confdefs.h - <<_ACEOF >conftest.$ac_ext
-/* end confdefs.h. */
+ cat > conftest.c <<EOF
#include <float.h>
-int
-main ()
-{
-
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
long double foobar (long double x) { return x; }
- ;
- return 0;
-}
-_ACEOF
-if ac_fn_c_try_compile "$LINENO"; then :
- libc_cv_mabi_ibmlongdouble=yes
-else
+EOF
libc_cv_mabi_ibmlongdouble=no
-fi
-rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
- CFLAGS="$save_CFLAGS"
+ if { ac_try='${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&5'
+ { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+ test $ac_status = 0; }; }
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_mabi_ibmlongdouble" >&5
$as_echo "$libc_cv_mabi_ibmlongdouble" >&6; }
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure.ac b/sysdeps/unix/sysv/linux/powerpc/configure.ac
index 8d2ec60f68..215e07ca82 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure.ac
+++ b/sysdeps/unix/sysv/linux/powerpc/configure.ac
@@ -2,32 +2,38 @@ sinclude(./aclocal.m4)dnl Autoconf lossage
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/unix/sysv/linux/powerpc/.
-AC_CACHE_CHECK(whether $CC $CFLAGS -mlong-double-128 uses IBM extended format,
- libc_cv_mlong_double_128ibm, [dnl
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -mlong-double-128"
-AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+AC_CACHE_CHECK([whether $CC $CFLAGS -mlong-double-128 uses IBM extended format],
+ [libc_cv_mlong_double_128ibm], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mlong_double_128ibm=yes,
- libc_cv_mlong_double_128ibm=no)
-CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+libc_cv_mlong_double_128ibm=no
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 $CPPFLAGS $LDFLAGS -nostdlib $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+then
+ libc_cv_mlong_double_128ibm=yes
+fi
+rm -f conftest*])
if test "$libc_cv_mlong_double_128ibm" = no; then
- AC_CACHE_CHECK(whether $CC $CFLAGS supports -mabi=ibmlongdouble,
- libc_cv_mabi_ibmlongdouble, [dnl
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -mlong-double-128 -mabi=ibmlongdouble"
- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <float.h>]], [[
+ AC_CACHE_CHECK([whether $CC $CFLAGS supports -mabi=ibmlongdouble],
+ [libc_cv_mabi_ibmlongdouble], [dnl
+cat > conftest.c <<EOF
+#include <float.h>
#if LDBL_MANT_DIG != 106
# error "compiler doesn't implement IBM extended format of long double"
#endif
-long double foobar (long double x) { return x; }]])],
- libc_cv_mabi_ibmlongdouble=yes,
- libc_cv_mabi_ibmlongdouble=no)
- CFLAGS="$save_CFLAGS"])
+long double foobar (long double x) { return x; }
+EOF
+ libc_cv_mabi_ibmlongdouble=no
+ if AC_TRY_COMMAND([${CC-cc} $CFLAGS -mlong-double-128 -mabi=ibmlongdouble $CPPFLAGS $LDFLAGS $no_ssp -c conftest.c 1>&AS_MESSAGE_LOG_FD])
+ then
+ libc_cv_mabi_ibmlongdouble=yes
+ fi
+ rm -f conftest*])
if test "$libc_cv_mabi_ibmlongdouble" = yes; then
CFLAGS="$CFLAGS -mabi=ibmlongdouble"
^ permalink raw reply [flat|nested] 11+ messages in thread
end of thread, other threads:[~2022-06-09 21:21 UTC | newest]
Thread overview: 11+ messages (download: mbox.gz / follow: Atom feed)
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-- strict thread matches above, loose matches on Subject: below --
2022-06-09 21:21 Adhemerval Zanella
2022-06-09 13:17 Adhemerval Zanella
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