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* [glibc] configure: Remove check if ld is GNU
@ 2022-12-06 13:34 Adhemerval Zanella
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From: Adhemerval Zanella @ 2022-12-06 13:34 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6cfc50f40a5e59bc46d8b45bc7520f719e86af1e
commit 6cfc50f40a5e59bc46d8b45bc7520f719e86af1e
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date: Fri Dec 2 16:00:27 2022 -0300
configure: Remove check if ld is GNU
Assume linker has gnu argument input style.
Reviewed-by: Carlos O'Donell <carlos@redhat.com>
Diff:
---
aclocal.m4 | 32 +++---
configure | 158 ++++++++++++------------------
sysdeps/unix/sysv/linux/powerpc/configure | 28 +++---
3 files changed, 91 insertions(+), 127 deletions(-)
diff --git a/aclocal.m4 b/aclocal.m4
index 149b9e5376..88db64a683 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -126,10 +126,6 @@ OBJCOPY=`$CC -print-prog-name=objcopy`
AC_SUBST(OBJCOPY)
GPROF=`$CC -print-prog-name=gprof`
AC_SUBST(GPROF)
-
-AC_CACHE_CHECK(whether $LD is GNU ld, libc_cv_prog_ld_gnu,
-[LIBC_PROG_FOO_GNU($LD, libc_cv_prog_ld_gnu=yes, libc_cv_prog_ld_gnu=no)])
-gnu_ld=$libc_cv_prog_ld_gnu
])
dnl Run a static link test with -nostdlib -nostartfiles.
@@ -219,25 +215,23 @@ dnl LIBC_LINKER_FEATURE([ld_option], [cc_option], [action-if-true], [action-if-f
AC_DEFUN([LIBC_LINKER_FEATURE],
[AC_MSG_CHECKING([for linker that supports $1])
libc_linker_feature=no
-if test x"$gnu_ld" = x"yes"; then
- cat > conftest.c <<EOF
+cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
- $2 -nostdlib -nostartfiles
- -fPIC -shared -o conftest.so conftest.c
- 1>&AS_MESSAGE_LOG_FD])
- then
- if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp $2 -nostdlib \
- -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
- | grep "warning: $1 ignored" > /dev/null 2>&1; then
- true
- else
- libc_linker_feature=yes
- fi
+if AC_TRY_COMMAND([${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
+ $2 -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&AS_MESSAGE_LOG_FD])
+then
+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp $2 -nostdlib \
+ -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
+ | grep "warning: $1 ignored" > /dev/null 2>&1; then
+ true
+ else
+ libc_linker_feature=yes
fi
- rm -f conftest*
fi
+rm -f conftest*
if test $libc_linker_feature = yes; then
$3
else
diff --git a/configure b/configure
index 2d3b3946b9..086d6fba7a 100755
--- a/configure
+++ b/configure
@@ -4155,24 +4155,6 @@ OBJCOPY=`$CC -print-prog-name=objcopy`
GPROF=`$CC -print-prog-name=gprof`
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether $LD is GNU ld" >&5
-$as_echo_n "checking whether $LD is GNU ld... " >&6; }
-if ${libc_cv_prog_ld_gnu+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- # Most GNU programs take a -v and spit out some text including
-# the word 'GNU'. Some try to read stdin, so give them /dev/null.
-if $LD -o conftest -v </dev/null 2>&1 | grep GNU > /dev/null 2>&1; then
- libc_cv_prog_ld_gnu=yes
-else
- libc_cv_prog_ld_gnu=no
-fi
-rm -fr contest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_prog_ld_gnu" >&5
-$as_echo "$libc_cv_prog_ld_gnu" >&6; }
-gnu_ld=$libc_cv_prog_ld_gnu
-
# Accept binutils 2.25 or newer.
for ac_prog in $AS
@@ -6037,30 +6019,28 @@ fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z execstack" >&5
$as_echo_n "checking for linker that supports -z execstack... " >&6; }
libc_linker_feature=no
-if test x"$gnu_ld" = x"yes"; then
- cat > conftest.c <<EOF
+cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
- -Wl,-z,execstack -nostdlib -nostartfiles
- -fPIC -shared -o conftest.so conftest.c
- 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
+ -Wl,-z,execstack -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${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
- if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,execstack -nostdlib \
- -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
- | grep "warning: -z execstack ignored" > /dev/null 2>&1; then
- true
- else
- libc_linker_feature=yes
- fi
+then
+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,execstack -nostdlib \
+ -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
+ | grep "warning: -z execstack ignored" > /dev/null 2>&1; then
+ true
+ else
+ libc_linker_feature=yes
fi
- rm -f conftest*
fi
+rm -f conftest*
if test $libc_linker_feature = yes; then
libc_cv_z_execstack=yes
else
@@ -6073,30 +6053,28 @@ $as_echo "$libc_linker_feature" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z start-stop-gc" >&5
$as_echo_n "checking for linker that supports -z start-stop-gc... " >&6; }
libc_linker_feature=no
-if test x"$gnu_ld" = x"yes"; then
- cat > conftest.c <<EOF
+cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
- -Wl,-z,start-stop-gc -nostdlib -nostartfiles
- -fPIC -shared -o conftest.so conftest.c
- 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
+ -Wl,-z,start-stop-gc -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${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
- if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,start-stop-gc -nostdlib \
- -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
- | grep "warning: -z start-stop-gc ignored" > /dev/null 2>&1; then
- true
- else
- libc_linker_feature=yes
- fi
+then
+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,start-stop-gc -nostdlib \
+ -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
+ | grep "warning: -z start-stop-gc ignored" > /dev/null 2>&1; then
+ true
+ else
+ libc_linker_feature=yes
fi
- rm -f conftest*
fi
+rm -f conftest*
if test $libc_linker_feature = yes; then
libc_cv_z_start_stop_gc=yes
else
@@ -6110,30 +6088,28 @@ have-z-start-stop-gc = $libc_cv_z_start_stop_gc"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --depaudit" >&5
$as_echo_n "checking for linker that supports --depaudit... " >&6; }
libc_linker_feature=no
-if test x"$gnu_ld" = x"yes"; then
- cat > conftest.c <<EOF
+cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
- -Wl,--depaudit,x -nostdlib -nostartfiles
- -fPIC -shared -o conftest.so conftest.c
- 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
+ -Wl,--depaudit,x -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${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
- if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--depaudit,x -nostdlib \
- -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
- | grep "warning: --depaudit ignored" > /dev/null 2>&1; then
- true
- else
- libc_linker_feature=yes
- fi
+then
+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--depaudit,x -nostdlib \
+ -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
+ | grep "warning: --depaudit ignored" > /dev/null 2>&1; then
+ true
+ else
+ libc_linker_feature=yes
fi
- rm -f conftest*
fi
+rm -f conftest*
if test $libc_linker_feature = yes; then
libc_cv_depaudit=yes
else
@@ -6147,30 +6123,28 @@ have-depaudit = $libc_cv_depaudit"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports -z pack-relative-relocs" >&5
$as_echo_n "checking for linker that supports -z pack-relative-relocs... " >&6; }
libc_linker_feature=no
-if test x"$gnu_ld" = x"yes"; then
- cat > conftest.c <<EOF
+cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
- -Wl,-z,pack-relative-relocs -nostdlib -nostartfiles
- -fPIC -shared -o conftest.so conftest.c
- 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
+ -Wl,-z,pack-relative-relocs -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${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
- if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,pack-relative-relocs -nostdlib \
- -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
- | grep "warning: -z pack-relative-relocs ignored" > /dev/null 2>&1; then
- true
- else
- libc_linker_feature=yes
- fi
+then
+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,-z,pack-relative-relocs -nostdlib \
+ -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
+ | grep "warning: -z pack-relative-relocs ignored" > /dev/null 2>&1; then
+ true
+ else
+ libc_linker_feature=yes
fi
- rm -f conftest*
fi
+rm -f conftest*
if test $libc_linker_feature = yes; then
libc_cv_dt_relr=yes
else
@@ -6184,30 +6158,28 @@ have-dt-relr = $libc_cv_dt_relr"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-dynamic-linker" >&5
$as_echo_n "checking for linker that supports --no-dynamic-linker... " >&6; }
libc_linker_feature=no
-if test x"$gnu_ld" = x"yes"; then
- cat > conftest.c <<EOF
+cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
- -Wl,--no-dynamic-linker -nostdlib -nostartfiles
- -fPIC -shared -o conftest.so conftest.c
- 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
+ -Wl,--no-dynamic-linker -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${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
- if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--no-dynamic-linker -nostdlib \
- -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
- | grep "warning: --no-dynamic-linker ignored" > /dev/null 2>&1; then
- true
- else
- libc_linker_feature=yes
- fi
+then
+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--no-dynamic-linker -nostdlib \
+ -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
+ | grep "warning: --no-dynamic-linker ignored" > /dev/null 2>&1; then
+ true
+ else
+ libc_linker_feature=yes
fi
- rm -f conftest*
fi
+rm -f conftest*
if test $libc_linker_feature = yes; then
libc_cv_no_dynamic_linker=yes
else
diff --git a/sysdeps/unix/sysv/linux/powerpc/configure b/sysdeps/unix/sysv/linux/powerpc/configure
index 7183573bc0..84a39495f0 100644
--- a/sysdeps/unix/sysv/linux/powerpc/configure
+++ b/sysdeps/unix/sysv/linux/powerpc/configure
@@ -79,30 +79,28 @@ fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for linker that supports --no-tls-get-addr-optimize" >&5
$as_echo_n "checking for linker that supports --no-tls-get-addr-optimize... " >&6; }
libc_linker_feature=no
-if test x"$gnu_ld" = x"yes"; then
- cat > conftest.c <<EOF
+cat > conftest.c <<EOF
int _start (void) { return 42; }
EOF
- if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
- -Wl,--no-tls-get-addr-optimize -nostdlib -nostartfiles
- -fPIC -shared -o conftest.so conftest.c
- 1>&5'
+if { ac_try='${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp
+ -Wl,--no-tls-get-addr-optimize -nostdlib -nostartfiles
+ -fPIC -shared -o conftest.so conftest.c
+ 1>&5'
{ { eval echo "\"\$as_me\":${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
- if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--no-tls-get-addr-optimize -nostdlib \
- -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
- | grep "warning: --no-tls-get-addr-optimize ignored" > /dev/null 2>&1; then
- true
- else
- libc_linker_feature=yes
- fi
+then
+ if ${CC-cc} $CFLAGS $CPPFLAGS $LDFLAGS $no_ssp -Wl,--no-tls-get-addr-optimize -nostdlib \
+ -nostartfiles -fPIC -shared -o conftest.so conftest.c 2>&1 \
+ | grep "warning: --no-tls-get-addr-optimize ignored" > /dev/null 2>&1; then
+ true
+ else
+ libc_linker_feature=yes
fi
- rm -f conftest*
fi
+rm -f conftest*
if test $libc_linker_feature = yes; then
libc_cv_tls_get_addr_optimize=yes
else
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2022-12-06 13:34 [glibc] configure: Remove check if ld is GNU Adhemerval Zanella
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