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build: Fix check for sigsetjmp (#12606)

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The usual check for presence of sigsetjmp will not be sufficient since
the sigsetjmp might be defined as a macro.
This commit is contained in:
Peter Kokot
2023-11-04 16:13:01 +01:00
committed by GitHub
parent 7d485aa628
commit 8f4dc71256
1 changed files with 7 additions and 1 deletions
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Zend/Zend.m4
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@@ -146,7 +146,13 @@ _LT_AC_TRY_DLOPEN_SELF([
])
dnl Checks for library functions.
AC_CHECK_FUNCS(getpid kill sigsetjmp pthread_getattr_np pthread_attr_get_np pthread_get_stackaddr_np pthread_attr_getstack pthread_stackseg_np gettid)
AC_CHECK_FUNCS(getpid kill pthread_getattr_np pthread_attr_get_np pthread_get_stackaddr_np pthread_attr_getstack pthread_stackseg_np gettid)
dnl Check for sigsetjmp. If it's defined as a macro, AC_CHECK_FUNCS won't work.
AC_CHECK_FUNCS([sigsetjmp],,
[AC_CHECK_DECL([sigsetjmp],
[AC_DEFINE([HAVE_SIGSETJMP],[1],[Define to 1 if you have the 'sigsetjmp' function.])],,
[#include <setjmp.h>])])
dnl Test whether the stack grows downwards
dnl Assumes contiguous stack