mirror of
https://github.com/gperftools/gperftools
synced 2024-12-21 06:50:03 +00:00
c37f6c4c7c
As part of that we also upgrade required autoconf version to 2.69 which is what I see in rhel/centos 7 and ubuntu 14.04. Both are old enough. And, of course, .tar.gz releases still ship "packaged" configure, so will work on older distros. This fixes issue #1335.
13 lines
503 B
Plaintext
13 lines
503 B
Plaintext
AC_DEFUN([AX_C___ATTRIBUTE__], [
|
|
AC_MSG_CHECKING(for __attribute__)
|
|
AC_CACHE_VAL(ac_cv___attribute__, [
|
|
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <stdlib.h>
|
|
static void foo(void) __attribute__ ((unused));
|
|
void foo(void) { exit(1); }]], [[]])],[ac_cv___attribute__=yes],[ac_cv___attribute__=no
|
|
])])
|
|
if test "$ac_cv___attribute__" = "yes"; then
|
|
AC_DEFINE(HAVE___ATTRIBUTE__, 1, [define if your compiler has __attribute__])
|
|
fi
|
|
AC_MSG_RESULT($ac_cv___attribute__)
|
|
])
|