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authorJoseph Myers <joseph@codesourcery.com>2018-10-31 17:10:56 +0000
committerJoseph Myers <joseph@codesourcery.com>2018-10-31 17:10:56 +0000
commitb555fb21f98143582541e1a3bf58695037ca617b (patch)
treea5570958e7e8f36baaa0b510058c5e03681efb23 /config
parent1443936e967d4a0a49acb8756e3f808dc3628318 (diff)
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Merge autoconf / automake update changes from GCC.
Top level: Merge from GCC: PR bootstrap/82856 * multilib.am: New file. From automake. config: Merge from GCC: PR bootstrap/82856 * math.m4, tls.m4: Use AC_LANG_SOURCE. zlib: Merge from GCC. PR bootstrap/82856 * Makefile.am: Include multilib.am. * Makefile.in: Regenerate.
Diffstat (limited to 'config')
-rw-r--r--config/ChangeLog6
-rw-r--r--config/math.m44
-rw-r--r--config/tls.m414
3 files changed, 15 insertions, 9 deletions
diff --git a/config/ChangeLog b/config/ChangeLog
index d3476c5..6e30188 100644
--- a/config/ChangeLog
+++ b/config/ChangeLog
@@ -1,3 +1,9 @@
+2018-10-31 Joseph Myers <joseph@codesourcery.com>
+
+ Merge from GCC:
+ PR bootstrap/82856
+ * math.m4, tls.m4: Use AC_LANG_SOURCE.
+
2018-06-19 Simon Marchi <simon.marchi@ericsson.com>
* override.m4 (_GCC_AUTOCONF_VERSION): Bump from 2.64 to 2.69.
diff --git a/config/math.m4 b/config/math.m4
index 23835f2..155967e 100644
--- a/config/math.m4
+++ b/config/math.m4
@@ -25,7 +25,7 @@ AC_DEFUN([GCC_CHECK_MATH_FUNC],
AC_REQUIRE([GCC_CHECK_LIBM])
AC_REQUIRE([GCC_CHECK_MATH_HEADERS])
AC_CACHE_CHECK([for $1], [gcc_cv_math_func_$1],
- [AC_LINK_IFELSE([
+ [AC_LINK_IFELSE([AC_LANG_SOURCE([
#ifdef HAVE_COMPLEX_H
#include <complex.h>
#endif
@@ -40,7 +40,7 @@ main ()
{
return 0;
}
-],
+])],
[gcc_cv_math_func_$1=yes],
[gcc_cv_math_func_$1=no])])
if test $gcc_cv_math_func_$1 = yes; then
diff --git a/config/tls.m4 b/config/tls.m4
index 4e170c8..1a5fc59 100644
--- a/config/tls.m4
+++ b/config/tls.m4
@@ -4,14 +4,14 @@ AC_DEFUN([GCC_CHECK_TLS], [
GCC_ENABLE(tls, yes, [], [Use thread-local storage])
AC_CACHE_CHECK([whether the target supports thread-local storage],
gcc_cv_have_tls, [
- AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
+ AC_RUN_IFELSE([AC_LANG_SOURCE([__thread int a; int b; int main() { return a = b; }])],
[dnl If the test case passed with dynamic linking, try again with
dnl static linking, but only if static linking is supported (not
dnl on Solaris 10). This fails with some older Red Hat releases.
chktls_save_LDFLAGS="$LDFLAGS"
LDFLAGS="-static $LDFLAGS"
- AC_LINK_IFELSE([int main() { return 0; }],
- [AC_RUN_IFELSE([__thread int a; int b; int main() { return a = b; }],
+ AC_LINK_IFELSE([AC_LANG_SOURCE([int main() { return 0; }])],
+ [AC_RUN_IFELSE([AC_LANG_SOURCE([__thread int a; int b; int main() { return a = b; }])],
[gcc_cv_have_tls=yes], [gcc_cv_have_tls=no],[])],
[gcc_cv_have_tls=yes])
LDFLAGS="$chktls_save_LDFLAGS"
@@ -71,7 +71,7 @@ AC_DEFUN([GCC_CHECK_TLS], [
[gcc_cv_have_tls=no],
[dnl This is the cross-compiling case. Assume libc supports TLS if the
dnl binutils and the compiler do.
- AC_LINK_IFELSE([__thread int a; int b; int main() { return a = b; }],
+ AC_LINK_IFELSE([AC_LANG_SOURCE([__thread int a; int b; int main() { return a = b; }])],
[chktls_save_LDFLAGS="$LDFLAGS"
dnl Shared library options may depend on the host; this check
dnl is only known to be needed for GNU/Linux.
@@ -83,8 +83,8 @@ AC_DEFUN([GCC_CHECK_TLS], [
chktls_save_CFLAGS="$CFLAGS"
CFLAGS="-fPIC $CFLAGS"
dnl If -shared works, test if TLS works in a shared library.
- AC_LINK_IFELSE([int f() { return 0; }],
- [AC_LINK_IFELSE([__thread int a; int b; int f() { return a = b; }],
+ AC_LINK_IFELSE([AC_LANG_SOURCE([int f() { return 0; }])],
+ [AC_LINK_IFELSE([AC_LANG_SOURCE([__thread int a; int b; int f() { return a = b; }])],
[gcc_cv_have_tls=yes],
[gcc_cv_have_tls=no])],
[gcc_cv_have_tls=yes])
@@ -102,7 +102,7 @@ AC_DEFUN([GCC_CHECK_CC_TLS], [
GCC_ENABLE(tls, yes, [], [Use thread-local storage])
AC_CACHE_CHECK([whether the target assembler supports thread-local storage],
gcc_cv_have_cc_tls, [
- AC_COMPILE_IFELSE([__thread int a; int b; int main() { return a = b; }],
+ AC_COMPILE_IFELSE([AC_LANG_SOURCE([__thread int a; int b; int main() { return a = b; }])],
[gcc_cv_have_cc_tls=yes], [gcc_cv_have_cc_tls=no])]
)])
if test "$enable_tls $gcc_cv_have_cc_tls" = "yes yes"; then