php-src/ext/pcntl/config.m4
Peter Kokot 4371945b8b Replace obsolete AC_TRY_FOO with AC_FOO_IFELSE
Autoconf 2.50 released in 2001 made several macros obsolete including
the AC_TRY_RUN, AC_TRY_COMPILE and AC_TRY_LINK:
http://git.savannah.gnu.org/cgit/autoconf.git/tree/ChangeLog.2

These macros should be replaced with the current AC_FOO_IFELSE instead:
- AC_TRY_RUN with AC_RUN_IFELSE and AC_LANG_SOURCE
- AC_TRY_LINK with AC_LINK_IFELSE and AC_LANG_PROGRAM
- AC_TRY_COMPILE with AC_COMPILE_IFELSE and AC_LANG_PROGRAM

PHP 5.4 to 7.1 require Autoconf 2.59+ version, PHP 7.2 and above require
2.64+ version, and the PHP 7.2 phpize script requires 2.59+ version which
are all greater than above mentioned 2.50 version therefore systems
should be well supported by now.

This patch was created with the help of autoupdate script:
autoupdate <file>

Reference docs:
- https://www.gnu.org/software/autoconf/manual/autoconf-2.69/html_node/Obsolete-Macros.html
- https://www.gnu.org/software/autoconf/manual/autoconf-2.59/autoconf.pdf
2018-07-30 02:36:38 +02:00

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dnl config.m4 for extension pcntl
PHP_ARG_ENABLE(pcntl, whether to enable pcntl support,
[ --enable-pcntl Enable pcntl support (CLI/CGI only)])
if test "$PHP_PCNTL" != "no"; then
AC_CHECK_FUNCS(fork, [ AC_DEFINE(HAVE_FORK,1,[ ]) ], [ AC_MSG_ERROR(pcntl: fork() not supported by this platform) ])
AC_CHECK_FUNCS(waitpid, [ AC_DEFINE(HAVE_WAITPID,1,[ ]) ], [ AC_MSG_ERROR(pcntl: waitpid() not supported by this platform) ])
AC_CHECK_FUNCS(sigaction, [ AC_DEFINE(HAVE_SIGACTION,1,[ ]) ], [ AC_MSG_ERROR(pcntl: sigaction() not supported by this platform) ])
AC_CHECK_FUNCS([getpriority setpriority wait3 wait4 sigprocmask sigwaitinfo sigtimedwait])
AC_MSG_CHECKING([for siginfo_t])
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
#include <signal.h>
#ifdef HAVE_SIGINFO_H
#include <siginfo.h>
#endif
]],[[
siginfo_t info;
]])],[
AC_MSG_RESULT([yes])
PCNTL_CFLAGS="-DHAVE_STRUCT_SIGINFO_T"
], [
AC_MSG_RESULT([no])
])
PHP_NEW_EXTENSION(pcntl, pcntl.c php_signal.c, $ext_shared, cli, $PCNTL_CFLAGS)
fi