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Use AC_LANG_SOURCE to fix autoconf warnings.

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This commit is contained in:
Carlos O'Donell 2012-06-22 14:58:19 +00:00
parent 807841933b
commit 0e3933b963
2 changed files with 7 additions and 2 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
2012-06-22 Carlos O'Donell <carlos_odonell@mentor.com>
* configure.in: Use AC_LANG_SOURCE.
* configure: Regenerate.
2012-06-22 Roland McGrath <roland@hack.frob.com>
* configure.in (libc_cv_localstatedir): New substituted variable.

4
configure.in
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@ -278,12 +278,12 @@ if test "x$systemtap" != xno; then
AC_CACHE_CHECK([for systemtap static probe support], libc_cv_sdt, [dnl
old_CFLAGS="$CFLAGS"
CFLAGS="-std=gnu99 $CFLAGS"
AC_COMPILE_IFELSE([#include <sys/sdt.h>
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <sys/sdt.h>
void foo (int i, void *p)
{
asm ("" STAP_PROBE_ASM (foo, bar, STAP_PROBE_ASM_TEMPLATE (2)) ""
:: STAP_PROBE_ASM_OPERANDS (2, i, p));
}], [libc_cv_sdt=yes], [libc_cv_sdt=no])
}]])], [libc_cv_sdt=yes], [libc_cv_sdt=no])
CFLAGS="$old_CFLAGS"])
if test $libc_cv_sdt = yes; then
AC_DEFINE([USE_STAP_PROBE])