* [PATCH 2/2] alpha: Don't test toolchain support for TLS or GPREL
2012-08-14 1:20 [PATCH 1/2] alpha: Fix compat version number for nearbyintl Richard Henderson
@ 2012-08-14 1:20 ` Richard Henderson
0 siblings, 0 replies; 2+ messages in thread
From: Richard Henderson @ 2012-08-14 1:20 UTC (permalink / raw)
To: libc-ports
---
ports/ChangeLog.alpha | 3 +
ports/sysdeps/alpha/configure | 175 +-------------------------------------
ports/sysdeps/alpha/configure.in | 71 +---------------
3 files changed, 9 insertions(+), 240 deletions(-)
diff --git a/ports/ChangeLog.alpha b/ports/ChangeLog.alpha
index e65097a..b09cbb8 100644
--- a/ports/ChangeLog.alpha
+++ b/ports/ChangeLog.alpha
@@ -1,5 +1,8 @@
2012-08-13 Richard Henderson <rth@twiddle.net>
+ * configure.in: Don't test toolchain support for TLS or GPREL.
+ * configure: Rebuild.
+
* sysdeps/alpha/fpu/s_nearbyint.c (nearbyintl): Do compat
with GLIBC_2_1.
diff --git a/ports/sysdeps/alpha/configure b/ports/sysdeps/alpha/configure
index 1d0daf5..9c03229 100644
--- a/ports/sysdeps/alpha/configure
+++ b/ports/sysdeps/alpha/configure
@@ -1,176 +1,7 @@
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
- return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
- set +e
- as_fn_set_status $1
- exit $1
-} # as_fn_exit
-if expr a : '\(a\)' >/dev/null 2>&1 &&
- test "X`expr 00001 : '.*\(...\)'`" = X001; then
- as_expr=expr
-else
- as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
- as_basename=basename
-else
- as_basename=false
-fi
-
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
- X"$0" : 'X\(//\)$' \| \
- X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
- sed '/^.*\/\([^/][^/]*\)\/*$/{
- s//\1/
- q
- }
- /^X\/\(\/\/\)$/{
- s//\1/
- q
- }
- /^X\/\(\/\).*/{
- s//\1/
- q
- }
- s/.*/./; q'`
-
-
- as_lineno_1=$LINENO as_lineno_1a=$LINENO
- as_lineno_2=$LINENO as_lineno_2a=$LINENO
- eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
- test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
- # Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
- sed -n '
- p
- /[$]LINENO/=
- ' <$as_myself |
- sed '
- s/[$]LINENO.*/&-/
- t lineno
- b
- :lineno
- N
- :loop
- s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
- t loop
- s/-\n.*//
- ' >$as_me.lineno &&
- chmod +x "$as_me.lineno" ||
- { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
-
- # Don't try to exec as it changes $[0], causing all sort of problems
- # (the dirname of $[0] is not the place where we might find the
- # original and so on. Autoconf is especially sensitive to this).
- . "./$as_me.lineno"
- # Exit status is that of the last command.
- exit
-}
-
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/alpha.
-# Check for support of thread-local storage handling in assembler and linker.
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Alpha TLS support" >&5
-$as_echo_n "checking for Alpha TLS support... " >&6; }
-if ${libc_cv_alpha_tls+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.s <<\EOF
- .section ".tdata", "awT", @progbits
- .globl foo
-foo: .quad 1
- .section ".tbss", "awT", @nobits
- .globl bar
-bar: .skip 8
- .text
-baz:
- .set nomacro
- ldq $27, __tls_get_addr($29) !literal!1
- ldq $16, a($29) !tlsgd!1
- jsr $26, ($27), __tls_get_addr !lituse_tlsgd!1
-
- jsr $26, ($27), __tls_get_addr !lituse_tlsldm!2
- ldq $27, __tls_get_addr($29) !literal!2
- ldq $16, b($29) !tlsldm!2
-
- ldq $16, c($29) !tlsgd
- ldq $16, d($29) !tlsldm
-
- ldq $16, e($29) !tlsgd!3
- ldq $16, f($29) !tlsldm!4
-
- ldq $16, g($29) !gotdtprel
- ldah $16, h($31) !dtprelhi
- lda $16, i($16) !dtprello
- lda $16, j($31) !dtprel
-
- ldq $16, k($29) !gottprel
- ldah $16, l($31) !tprelhi
- lda $16, m($16) !tprello
- lda $16, n($31) !tprel
-EOF
-if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
- { { eval echo "\"\$as_me\":${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_alpha_tls=yes
-else
- libc_cv_alpha_tls=no
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_alpha_tls" >&5
-$as_echo "$libc_cv_alpha_tls" >&6; }
-if test $libc_cv_alpha_tls = no; then
- as_fn_error $? "the assembler must support TLS" "$LINENO" 5
-fi
-
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GP relative module local relocs" >&5
-$as_echo_n "checking for GP relative module local relocs... " >&6; }
-if ${libc_cv_alpha_hidden_gprel+:} false; then :
- $as_echo_n "(cached) " >&6
-else
- cat > conftest.c <<\EOF
-static volatile int bar;
-int baz __attribute__((visibility("hidden")));
-int f(void) { return bar + baz; }
-EOF
-
-libc_cv_alpha_hidden_gprel=no
-if { ac_try='${CC-cc} -S $CFLAGS -O2 -fpic conftest.c 1>&5'
- { { eval echo "\"\$as_me\":${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 grep -q 'bar.*!gprel' conftest.s \
- && grep -q 'baz.*!gprel' conftest.s \
- && ! grep -q 'bar.*!literal' conftest.s \
- && ! grep -q 'baz.*!literal' conftest.s; then
- libc_cv_alpha_hidden_gprel=yes
- fi
-fi
-rm -f conftest*
-fi
-{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_alpha_hidden_gprel" >&5
-$as_echo "$libc_cv_alpha_hidden_gprel" >&6; }
-if test $libc_cv_alpha_hidden_gprel = yes; then
- $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
+# With required gcc+binutils, we can always access static and hidden
+# symbols in a position independent way.
+$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
-fi
diff --git a/ports/sysdeps/alpha/configure.in b/ports/sysdeps/alpha/configure.in
index bf8e926..eadc57a 100644
--- a/ports/sysdeps/alpha/configure.in
+++ b/ports/sysdeps/alpha/configure.in
@@ -1,71 +1,6 @@
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/alpha.
-# Check for support of thread-local storage handling in assembler and linker.
-AC_CACHE_CHECK(for Alpha TLS support, libc_cv_alpha_tls, [dnl
-cat > conftest.s <<\EOF
- .section ".tdata", "awT", @progbits
- .globl foo
-foo: .quad 1
- .section ".tbss", "awT", @nobits
- .globl bar
-bar: .skip 8
- .text
-baz:
- .set nomacro
- ldq $27, __tls_get_addr($29) !literal!1
- ldq $16, a($29) !tlsgd!1
- jsr $26, ($27), __tls_get_addr !lituse_tlsgd!1
-
- jsr $26, ($27), __tls_get_addr !lituse_tlsldm!2
- ldq $27, __tls_get_addr($29) !literal!2
- ldq $16, b($29) !tlsldm!2
-
- ldq $16, c($29) !tlsgd
- ldq $16, d($29) !tlsldm
-
- ldq $16, e($29) !tlsgd!3
- ldq $16, f($29) !tlsldm!4
-
- ldq $16, g($29) !gotdtprel
- ldah $16, h($31) !dtprelhi
- lda $16, i($16) !dtprello
- lda $16, j($31) !dtprel
-
- ldq $16, k($29) !gottprel
- ldah $16, l($31) !tprelhi
- lda $16, m($16) !tprello
- lda $16, n($31) !tprel
-EOF
-dnl
-if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
- libc_cv_alpha_tls=yes
-else
- libc_cv_alpha_tls=no
-fi
-rm -f conftest*])
-if test $libc_cv_alpha_tls = no; then
- AC_MSG_ERROR([the assembler must support TLS])
-fi
-
-AC_CACHE_CHECK(for GP relative module local relocs, libc_cv_alpha_hidden_gprel, [dnl
-cat > conftest.c <<\EOF
-static volatile int bar;
-int baz __attribute__((visibility("hidden")));
-int f(void) { return bar + baz; }
-EOF
-dnl
-
-libc_cv_alpha_hidden_gprel=no
-if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS -O2 -fpic conftest.c 1>&AS_MESSAGE_LOG_FD); then
- if grep -q 'bar.*!gprel' conftest.s \
- && grep -q 'baz.*!gprel' conftest.s \
- && ! grep -q 'bar.*!literal' conftest.s \
- && ! grep -q 'baz.*!literal' conftest.s; then
- libc_cv_alpha_hidden_gprel=yes
- fi
-fi
-rm -f conftest*])
-if test $libc_cv_alpha_hidden_gprel = yes; then
- AC_DEFINE(PI_STATIC_AND_HIDDEN)
-fi
+# With required gcc+binutils, we can always access static and hidden
+# symbols in a position independent way.
+AC_DEFINE(PI_STATIC_AND_HIDDEN)
--
1.7.7.6
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