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libsanitizer: Avoid implicit function declaration in configure test

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libsanitizer/

	* configure.ac (sanitizer_supported): Include <unistd.h> for
	syscall prototype.
	* configure: Regenerate.
This commit is contained in:
Florian Weimer 2022-10-18 16:58:48 +02:00
parent 0101137c7c
commit 6be2672e4e
2 changed files with 5 additions and 3 deletions
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5
libsanitizer/configure vendored
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@ -12383,7 +12383,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 12386 "configure"
#line 12398 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -12489,7 +12489,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
#line 12492 "configure"
#line 12504 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@ -16072,6 +16072,7 @@ case "$target" in
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#include <sys/syscall.h>
#include <unistd.h>
int
main ()
{

3
libsanitizer/configure.ac
View file

@ -161,7 +161,8 @@ case "$target" in
*-*-linux*)
# Some old Linux distributions miss required syscalls.
sanitizer_supported=no
AC_TRY_COMPILE([#include <sys/syscall.h>],[
AC_TRY_COMPILE([#include <sys/syscall.h>
#include <unistd.h>],[
syscall (__NR_gettid);
syscall (__NR_futex);
syscall (__NR_exit_group);