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authorRoland McGrath <roland@gnu.org>2006-01-14 22:08:18 +0000
committerRoland McGrath <roland@gnu.org>2006-01-14 22:08:18 +0000
commit926320aba6a75c8b1e7085b1c62638ab807708d0 (patch)
tree734ea850f6e7addd982517838a0e779d972da749 /sysdeps/ieee754
parent5e56adba65ef5b9b3187c50cf98582ca49abc5f0 (diff)
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* sysdeps/ieee754/ldbl-opt/nldbl-compat.h (NLDBL_DECL): Don't try
attribute_hidden here. * sysdeps/ieee754/ldbl-opt/nldbl-vsyslog.c (vsyslog): Restore attribute_hidden here. * sysdeps/ieee754/ldbl-opt/nldbl-asprintf.c (__asprintf): Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-fprintf.c (fprintf): Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-qecvt.c (qecvt): Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-qfcvt.c (qfcvt): Likewise. * sysdeps/ieee754/ldbl-opt/nldbl-qgcvt.c (qgcvt): Likewise. * sysdeps/ieee754/ldbl-opt/configure.in: Use AC_TRY_COMPILE and verify __LONG_DOUBLE_128__ predefine. * sysdeps/ieee754/ldbl-opt/configure: Regenerated.
Diffstat (limited to 'sysdeps/ieee754')
-rwxr-xr-xsysdeps/ieee754/ldbl-opt/configure57
-rw-r--r--sysdeps/ieee754/ldbl-opt/configure.in16
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-asprintf.c1
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-compat.h7
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-fprintf.c1
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-qecvt.c1
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-qfcvt.c1
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-qgcvt.c1
-rw-r--r--sysdeps/ieee754/ldbl-opt/nldbl-vsyslog.c1
9 files changed, 70 insertions, 16 deletions
diff --git a/sysdeps/ieee754/ldbl-opt/configure b/sysdeps/ieee754/ldbl-opt/configure
index 05b1447bea..dc81365318 100755
--- a/sysdeps/ieee754/ldbl-opt/configure
+++ b/sysdeps/ieee754/ldbl-opt/configure
@@ -1,17 +1,64 @@
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/ieee754/ldbl-opt/.
-echo "$as_me:$LINENO: checking whether $CC $CFLAGS -mlong-double-128" >&5
-echo $ECHO_N "checking whether $CC $CFLAGS -mlong-double-128... $ECHO_C" >&6
+
+echo "$as_me:$LINENO: checking whether $CC $CFLAGS supports -mlong-double-128" >&5
+echo $ECHO_N "checking whether $CC $CFLAGS supports -mlong-double-128... $ECHO_C" >&6
if test "${libc_cv_mlong_double_128+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
- if $CC $CFLAGS -mlong-double-128 -S -xc /dev/null -o /dev/null 2>&1
-then
+ save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -mlong-double-128"
+cat >conftest.$ac_ext <<_ACEOF
+/* confdefs.h. */
+_ACEOF
+cat confdefs.h >>conftest.$ac_ext
+cat >>conftest.$ac_ext <<_ACEOF
+/* end confdefs.h. */
+
+int
+main ()
+{
+
+#ifndef __LONG_DOUBLE_128__
+# error "compiler did not predefine __LONG_DOUBLE_128__ as expected"
+#endif
+long double foobar (long double x) { return x; }
+ ;
+ return 0;
+}
+_ACEOF
+rm -f conftest.$ac_objext
+if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
+ (eval $ac_compile) 2>conftest.er1
+ ac_status=$?
+ grep -v '^ *+' conftest.er1 >conftest.err
+ rm -f conftest.er1
+ cat conftest.err >&5
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); } &&
+ { ac_try='test -z "$ac_c_werror_flag"
+ || test ! -s conftest.err'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; } &&
+ { ac_try='test -s conftest.$ac_objext'
+ { (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
+ (eval $ac_try) 2>&5
+ ac_status=$?
+ echo "$as_me:$LINENO: \$? = $ac_status" >&5
+ (exit $ac_status); }; }; then
libc_cv_mlong_double_128=yes
else
- libc_cv_mlong_double_128=no
+ echo "$as_me: failed program was:" >&5
+sed 's/^/| /' conftest.$ac_ext >&5
+
+libc_cv_mlong_double_128=no
fi
+rm -f conftest.err conftest.$ac_objext conftest.$ac_ext
+CFLAGS="$save_CFLAGS"
fi
echo "$as_me:$LINENO: result: $libc_cv_mlong_double_128" >&5
echo "${ECHO_T}$libc_cv_mlong_double_128" >&6
diff --git a/sysdeps/ieee754/ldbl-opt/configure.in b/sysdeps/ieee754/ldbl-opt/configure.in
index bc9d29908f..a77fadd1c4 100644
--- a/sysdeps/ieee754/ldbl-opt/configure.in
+++ b/sysdeps/ieee754/ldbl-opt/configure.in
@@ -4,12 +4,16 @@ GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
AC_CACHE_CHECK(whether $CC $CFLAGS supports -mlong-double-128,
libc_cv_mlong_double_128, [dnl
-if $CC $CFLAGS -mlong-double-128 -S -xc /dev/null -o /dev/null 2>&1
-then
- libc_cv_mlong_double_128=yes
-else
- libc_cv_mlong_double_128=no
-fi])
+save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -mlong-double-128"
+AC_TRY_COMPILE(, [
+#ifndef __LONG_DOUBLE_128__
+# error "compiler did not predefine __LONG_DOUBLE_128__ as expected"
+#endif
+long double foobar (long double x) { return x; }],
+ libc_cv_mlong_double_128=yes,
+ libc_cv_mlong_double_128=no)
+CFLAGS="$save_CFLAGS"])
if test "$libc_cv_mlong_double_128" = no; then
AC_MSG_ERROR([this configuration requires -mlong-double-128 support])
fi
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-asprintf.c b/sysdeps/ieee754/ldbl-opt/nldbl-asprintf.c
index 8932781bf2..4be216d610 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-asprintf.c
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-asprintf.c
@@ -1,5 +1,6 @@
#include "nldbl-compat.h"
+attribute_hidden
int
__asprintf (char **string_ptr, const char *fmt, ...)
{
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-compat.h b/sysdeps/ieee754/ldbl-opt/nldbl-compat.h
index 985e109906..c0461000f0 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-compat.h
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-compat.h
@@ -33,11 +33,8 @@
#include <sys/syslog.h>
-/* Declare the __nldbl_NAME function the wrappers call that's in libc.so,
- and then redeclare NAME to mark it hidden for the nldbl-*.c definition. */
-#define NLDBL_DECL(name) \
- extern __typeof (name) __nldbl_##name; \
- extern __typeof (name) name attribute_hidden
+/* Declare the __nldbl_NAME function the wrappers call that's in libc.so. */
+#define NLDBL_DECL(name) extern __typeof (name) __nldbl_##name
NLDBL_DECL (_IO_vfscanf);
NLDBL_DECL (vfscanf);
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-fprintf.c b/sysdeps/ieee754/ldbl-opt/nldbl-fprintf.c
index 1247088615..9df4c4bc34 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-fprintf.c
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-fprintf.c
@@ -1,5 +1,6 @@
#include "nldbl-compat.h"
+attribute_hidden
int
fprintf (FILE *stream, const char *fmt, ...)
{
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-qecvt.c b/sysdeps/ieee754/ldbl-opt/nldbl-qecvt.c
index cda1e7461e..9f0b0a66a9 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-qecvt.c
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-qecvt.c
@@ -2,6 +2,7 @@
#include "nldbl-compat.h"
#undef qecvt
+attribute_hidden
char *
qecvt (double val, int ndigit, int *__restrict decpt, int *__restrict sign)
{
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-qfcvt.c b/sysdeps/ieee754/ldbl-opt/nldbl-qfcvt.c
index 43a9c8e52e..37fa7f0467 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-qfcvt.c
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-qfcvt.c
@@ -2,6 +2,7 @@
#include "nldbl-compat.h"
#undef qfcvt
+attribute_hidden
char *
qfcvt (double val, int ndigit, int *__restrict decpt, int *__restrict sign)
{
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-qgcvt.c b/sysdeps/ieee754/ldbl-opt/nldbl-qgcvt.c
index 5bf3330882..b935d0962e 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-qgcvt.c
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-qgcvt.c
@@ -2,6 +2,7 @@
#include "nldbl-compat.h"
#undef qgcvt
+attribute_hidden
char *
qgcvt (double val, int ndigit, char *buf)
{
diff --git a/sysdeps/ieee754/ldbl-opt/nldbl-vsyslog.c b/sysdeps/ieee754/ldbl-opt/nldbl-vsyslog.c
index e91f4826bf..eed1010eea 100644
--- a/sysdeps/ieee754/ldbl-opt/nldbl-vsyslog.c
+++ b/sysdeps/ieee754/ldbl-opt/nldbl-vsyslog.c
@@ -1,5 +1,6 @@
#include "nldbl-compat.h"
+attribute_hidden
void
vsyslog (int pri, const char *fmt, va_list ap)
{