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Autotools: Check copy_file_range with AC_COMPILE_IFELSE (#15858)

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Running the test program is not required as compilation step already
errors out if needed.
This commit is contained in:
Peter Kokot 2024-09-12 20:56:56 +02:00 committed by GitHub
parent adfd7de5c3
commit ea4e8d513c
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1 changed files with 11 additions and 14 deletions
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25
configure.ac
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@ -664,28 +664,25 @@ AS_VAR_IF([php_cv_func_getaddrinfo], [yes],
dnl on FreeBSD, copy_file_range() works only with the undocumented flag 0x01000000;
dnl until the problem is fixed properly, copy_file_range() is used only on Linux
AC_CACHE_CHECK([for copy_file_range], [php_cv_func_copy_file_range],
[AC_RUN_IFELSE([AC_LANG_SOURCE([
#ifdef __linux__
[AC_COMPILE_IFELSE([AC_LANG_SOURCE([
#ifndef __linux__
# error "unsupported platform"
#endif
#ifndef _GNU_SOURCE
#define _GNU_SOURCE
# define _GNU_SOURCE
#endif
#include <linux/version.h>
#include <unistd.h>
int main(void) {
(void)copy_file_range(-1, 0, -1, 0, 0, 0);
#if LINUX_VERSION_CODE < KERNEL_VERSION(5,3,0)
#error "kernel too old"
#else
return 0;
# error "kernel too old"
#endif
#include <unistd.h>
int main(void)
{
(void)copy_file_range(-1, 0, -1, 0, 0, 0);
return 0;
}
#else
#error "unsupported platform"
#endif
])],
[php_cv_func_copy_file_range=yes],
[php_cv_func_copy_file_range=no],
[php_cv_func_copy_file_range=no])
])
AS_VAR_IF([php_cv_func_copy_file_range], [yes],