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dnl config.m4 for extension excimer
PHP_ARG_ENABLE(excimer, whether to enable excimer support,
[ --enable-excimer Enable excimer support])
if test "$PHP_EXCIMER" != "no"; then
dnl Timers require real-time and pthread library on Linux and not
dnl supported on other platforms
AC_CHECK_DECL(SIGEV_THREAD_ID, [
AC_CHECK_LIB(rt, timer_create)
AC_CHECK_DECL(pthread_attr_setsigmask_np,[
AC_DEFINE(HAVE_PTHREAD_ATTR_SETSIGMASK_NP, 1, [Whether pthread_attr_setsigmask_np is available])
],,[[
#define _GNU_SOURCE 1
#include <pthread.h>
]])
AC_CHECK_DECL(gettid,[
AC_DEFINE(HAVE_GETTID, 1, [Whether gettid is available])
],,[[
#define _GNU_SOURCE 1
#include <unistd.h>
]])
AC_DEFINE(HAVE_SIGEV_THREAD_ID, 1, [Whether SIGEV_THREAD_ID is available on the current platform])
PHP_EVAL_LIBLINE($LIBS, EXCIMER_SHARED_LIBADD)
excimer_os_sources=timerlib/timerlib_posix.c
], [
AC_SEARCH_LIBS([kevent], [kqueue], [
AC_DEFINE(HAVE_KQUEUE, 1, [Whether kqueue is available on the current platform])
PHP_EVAL_LIBLINE($LIBS, EXCIMER_SHARED_LIBADD)
excimer_os_sources=timerlib/timerlib_kqueue.c
], [
AC_MSG_ERROR([excimer requires timer_create or kevent])
])
], [[
#include <signal.h>
]])
AC_SEARCH_LIBS([pthread_mutex_lock], [pthread], [
PHP_EVAL_LIBLINE($LIBS, EXCIMER_SHARED_LIBADD)
])
dnl Avoid exporting symbols unnecessarily
AX_CHECK_COMPILE_FLAG([-fvisibility=hidden],
[CFLAGS="$CFLAGS -fvisibility=hidden"])
PHP_SUBST(EXCIMER_SHARED_LIBADD)
PHP_NEW_EXTENSION(excimer, excimer.c \
excimer_mutex.c \
excimer_timer.c \
excimer_log.c \
timerlib/timerlib_common.c \
$excimer_os_sources, $ext_shared)
dnl Create build directory (T394738)
PHP_ADD_BUILD_DIR([$ext_builddir/timerlib])
fi
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