From ed3b3f1764b0deecc2d875ab897e5883ef42a615 Mon Sep 17 00:00:00 2001
From: Paolo Bonzini <pbonzini@redhat.com>
Date: Thu, 3 Jun 2021 12:14:48 +0200
Subject: [PATCH] configure: convert compiler tests to meson, part 2
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Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 configure   | 49 -------------------------------------------------
 meson.build |  5 +++++
 2 files changed, 5 insertions(+), 49 deletions(-)

diff --git a/configure b/configure
index e2bf77f55d..78f4a351d9 100755
--- a/configure
+++ b/configure
@@ -3783,46 +3783,6 @@ if compile_prog "" "" ; then
     posix_syslog=yes
 fi
 
-##########################################
-# check if we have sem_timedwait
-
-sem_timedwait=no
-cat > $TMPC << EOF
-#include <semaphore.h>
-int main(void) { sem_t s; struct timespec t = {0}; return sem_timedwait(&s, &t); }
-EOF
-if compile_prog "" "" ; then
-    sem_timedwait=yes
-fi
-
-##########################################
-# check if we have strchrnul
-
-strchrnul=no
-cat > $TMPC << EOF
-#include <string.h>
-int main(void);
-// Use a haystack that the compiler shouldn't be able to constant fold
-char *haystack = (char*)&main;
-int main(void) { return strchrnul(haystack, 'x') != &haystack[6]; }
-EOF
-if compile_prog "" "" ; then
-    strchrnul=yes
-fi
-
-#########################################
-# check if we have st_atim
-
-st_atim=no
-cat > $TMPC << EOF
-#include <sys/stat.h>
-#include <stddef.h>
-int main(void) { return offsetof(struct stat, st_atim); }
-EOF
-if compile_prog "" "" ; then
-    st_atim=yes
-fi
-
 ##########################################
 # check if trace backend exists
 
@@ -4967,15 +4927,6 @@ fi
 if test "$inotify1" = "yes" ; then
   echo "CONFIG_INOTIFY1=y" >> $config_host_mak
 fi
-if test "$sem_timedwait" = "yes" ; then
-  echo "CONFIG_SEM_TIMEDWAIT=y" >> $config_host_mak
-fi
-if test "$strchrnul" = "yes" ; then
-  echo "HAVE_STRCHRNUL=y" >> $config_host_mak
-fi
-if test "$st_atim" = "yes" ; then
-  echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak
-fi
 if test "$gio" = "yes" ; then
     echo "CONFIG_GIO=y" >> $config_host_mak
     echo "GIO_CFLAGS=$gio_cflags" >> $config_host_mak
diff --git a/meson.build b/meson.build
index 29a050066e..4314b9b4c5 100644
--- a/meson.build
+++ b/meson.build
@@ -1274,12 +1274,14 @@ config_host_data.set('CONFIG_FALLOCATE', cc.has_function('fallocate'))
 config_host_data.set('CONFIG_POSIX_FALLOCATE', cc.has_function('posix_fallocate'))
 config_host_data.set('CONFIG_PPOLL', cc.has_function('ppoll'))
 config_host_data.set('CONFIG_PREADV', cc.has_function('preadv', prefix: '#include <sys/uio.h>'))
+config_host_data.set('CONFIG_SEM_TIMEDWAIT', cc.has_function('sem_timedwait', dependencies: threads))
 config_host_data.set('CONFIG_SENDFILE', cc.has_function('sendfile'))
 config_host_data.set('CONFIG_SETNS', cc.has_function('setns') and cc.has_function('unshare'))
 config_host_data.set('CONFIG_SYNCFS', cc.has_function('syncfs'))
 config_host_data.set('CONFIG_SYNC_FILE_RANGE', cc.has_function('sync_file_range'))
 config_host_data.set('CONFIG_TIMERFD', cc.has_function('timerfd_create'))
 config_host_data.set('HAVE_OPENPTY', cc.has_function('openpty', dependencies: util))
+config_host_data.set('HAVE_STRCHRNUL', cc.has_function('strchrnul'))
 config_host_data.set('HAVE_SYSTEM_FUNCTION', cc.has_function('system', prefix: '#include <stdlib.h>'))
 
 # has_header_symbol
@@ -1306,6 +1308,9 @@ config_host_data.set('CONFIG_PRCTL_PR_SET_TIMERSLACK',
 config_host_data.set('HAVE_SIGEV_NOTIFY_THREAD_ID',
                      cc.has_member('struct sigevent', 'sigev_notify_thread_id',
                                    prefix: '#include <signal.h>'))
+config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
+                     cc.has_member('struct stat', 'st_atim',
+                                   prefix: '#include <sys/stat.h>'))
 
 # Some versions of Mac OS X incorrectly define SIZE_MAX
 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''