[PULL,30/40] configure: convert compiler tests to meson, part 4

diff --git a/configure b/configure
index cf7f71fe40..83168ceb52 100755
--- a/configure
+++ b/configure
@@ -3511,59 +3511,6 @@  elif test "$jemalloc" = "yes" ; then
     malloc=jemalloc
 fi
 
-##########################################
-# signalfd probe
-signalfd="no"
-cat > $TMPC << EOF
-#include <unistd.h>
-#include <sys/syscall.h>
-#include <signal.h>
-int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }
-EOF
-
-if compile_prog "" "" ; then
-  signalfd=yes
-fi
-
-# check if optreset global is declared by <getopt.h>
-optreset="no"
-cat > $TMPC << EOF
-#include <getopt.h>
-int main(void) { return optreset; }
-EOF
-
-if compile_prog "" "" ; then
-  optreset=yes
-fi
-
-# check if eventfd is supported
-eventfd=no
-cat > $TMPC << EOF
-#include <sys/eventfd.h>
-
-int main(void)
-{
-    return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
-}
-EOF
-if compile_prog "" "" ; then
-  eventfd=yes
-fi
-
-# check if memfd is supported
-memfd=no
-cat > $TMPC << EOF
-#include <sys/mman.h>
-
-int main(void)
-{
-    return memfd_create("foo", MFD_ALLOW_SEALING);
-}
-EOF
-if compile_prog "" "" ; then
-  memfd=yes
-fi
-
 # check for usbfs
 have_usbfs=no
 if test "$linux_user" = "yes"; then
@@ -3711,66 +3658,6 @@  case "$capstone" in
     ;;
 esac
 
-##########################################
-# check if we have fdatasync
-
-fdatasync=no
-cat > $TMPC << EOF
-#include <unistd.h>
-int main(void) {
-#if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
-return fdatasync(0);
-#else
-#error Not supported
-#endif
-}
-EOF
-if compile_prog "" "" ; then
-    fdatasync=yes
-fi
-
-##########################################
-# check if we have madvise
-
-madvise=no
-cat > $TMPC << EOF
-#include <sys/types.h>
-#include <sys/mman.h>
-#include <stddef.h>
-int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }
-EOF
-if compile_prog "" "" ; then
-    madvise=yes
-fi
-
-##########################################
-# check if we have posix_madvise
-
-posix_madvise=no
-cat > $TMPC << EOF
-#include <sys/mman.h>
-#include <stddef.h>
-int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }
-EOF
-if compile_prog "" "" ; then
-    posix_madvise=yes
-fi
-
-##########################################
-# check if we have posix_memalign()
-
-posix_memalign=no
-cat > $TMPC << EOF
-#include <stdlib.h>
-int main(void) {
-    void *p;
-    return posix_memalign(&p, 8, 8);
-}
-EOF
-if compile_prog "" "" ; then
-    posix_memalign=yes
-fi
-
 ##########################################
 # check if we have posix_syslog
 
@@ -4842,12 +4729,6 @@  fi
 if test "$splice" = "yes" ; then
   echo "CONFIG_SPLICE=y" >> $config_host_mak
 fi
-if test "$eventfd" = "yes" ; then
-  echo "CONFIG_EVENTFD=y" >> $config_host_mak
-fi
-if test "$memfd" = "yes" ; then
-  echo "CONFIG_MEMFD=y" >> $config_host_mak
-fi
 if test "$have_usbfs" = "yes" ; then
   echo "CONFIG_USBFS=y" >> $config_host_mak
 fi
@@ -4922,27 +4803,9 @@  fi
 if test "$membarrier" = "yes" ; then
   echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
 fi
-if test "$signalfd" = "yes" ; then
-  echo "CONFIG_SIGNALFD=y" >> $config_host_mak
-fi
-if test "$optreset" = "yes" ; then
-  echo "HAVE_OPTRESET=y" >> $config_host_mak
-fi
 if test "$tcg" = "enabled" -a "$tcg_interpreter" = "true" ; then
   echo "CONFIG_TCG_INTERPRETER=y" >> $config_host_mak
 fi
-if test "$fdatasync" = "yes" ; then
-  echo "CONFIG_FDATASYNC=y" >> $config_host_mak
-fi
-if test "$madvise" = "yes" ; then
-  echo "CONFIG_MADVISE=y" >> $config_host_mak
-fi
-if test "$posix_madvise" = "yes" ; then
-  echo "CONFIG_POSIX_MADVISE=y" >> $config_host_mak
-fi
-if test "$posix_memalign" = "yes" ; then
-  echo "CONFIG_POSIX_MEMALIGN=y" >> $config_host_mak
-fi
 
 if test "$spice_protocol" = "yes" ; then
   echo "CONFIG_SPICE_PROTOCOL=y" >> $config_host_mak
diff --git a/meson.build b/meson.build
index 5fec46bb65..cb50a2e473 100644
--- a/meson.build
+++ b/meson.build
@@ -1272,6 +1272,7 @@  config_host_data.set('CONFIG_CLOCK_ADJTIME', cc.has_function('clock_adjtime'))
 config_host_data.set('CONFIG_DUP3', cc.has_function('dup3'))
 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_POSIX_MEMALIGN', cc.has_function('posix_memalign'))
 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))
@@ -1311,6 +1312,8 @@  config_host_data.set('CONFIG_RTNETLINK',
                      cc.has_header_symbol('linux/rtnetlink.h', 'IFLA_PROTO_DOWN'))
 config_host_data.set('CONFIG_SYSMACROS',
                      cc.has_header_symbol('sys/sysmacros.h', 'makedev'))
+config_host_data.set('HAVE_OPTRESET',
+                     cc.has_header_symbol('getopt.h', 'optreset'))
 config_host_data.set('HAVE_UTMPX',
                      cc.has_header_symbol('utmpx.h', 'struct utmpx'))
 
@@ -1322,6 +1325,36 @@  config_host_data.set('HAVE_STRUCT_STAT_ST_ATIM',
                      cc.has_member('struct stat', 'st_atim',
                                    prefix: '#include <sys/stat.h>'))
 
+config_host_data.set('CONFIG_EVENTFD', cc.compiles('''
+  #include <sys/eventfd.h>
+  int main(void) { return eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC); }'''))
+config_host_data.set('CONFIG_FDATASYNC', cc.compiles(gnu_source_prefix + '''
+  #include <unistd.h>
+  int main(void) {
+  #if defined(_POSIX_SYNCHRONIZED_IO) && _POSIX_SYNCHRONIZED_IO > 0
+  return fdatasync(0);
+  #else
+  #error Not supported
+  #endif
+  }'''))
+config_host_data.set('CONFIG_MADVISE', cc.compiles(gnu_source_prefix + '''
+  #include <sys/types.h>
+  #include <sys/mman.h>
+  #include <stddef.h>
+  int main(void) { return madvise(NULL, 0, MADV_DONTNEED); }'''))
+config_host_data.set('CONFIG_MEMFD', cc.compiles(gnu_source_prefix + '''
+  #include <sys/mman.h>
+  int main(void) { return memfd_create("foo", MFD_ALLOW_SEALING); }'''))
+config_host_data.set('CONFIG_POSIX_MADVISE', cc.compiles(gnu_source_prefix + '''
+  #include <sys/mman.h>
+  #include <stddef.h>
+  int main(void) { return posix_madvise(NULL, 0, POSIX_MADV_DONTNEED); }'''))
+config_host_data.set('CONFIG_SIGNALFD', cc.compiles(gnu_source_prefix + '''
+  #include <unistd.h>
+  #include <sys/syscall.h>
+  #include <signal.h>
+  int main(void) { return syscall(SYS_signalfd, -1, NULL, _NSIG / 8); }'''))
+
 # Some versions of Mac OS X incorrectly define SIZE_MAX
 config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
     #include <stdint.h>
@@ -1398,7 +1431,7 @@  if link_language == 'cpp'
   }
 endif
 
-have_ivshmem = config_host.has_key('CONFIG_EVENTFD')
+have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
 host_kconfig = \
   ('CONFIG_TPM' in config_host ? ['CONFIG_TPM=y'] : []) + \
   ('CONFIG_SPICE' in config_host ? ['CONFIG_SPICE=y'] : []) + \
@@ -2711,10 +2744,6 @@  summary_info += {'PIE':               get_option('b_pie')}
 summary_info += {'static build':      config_host.has_key('CONFIG_STATIC')}
 summary_info += {'malloc trim support': has_malloc_trim}
 summary_info += {'membarrier':        config_host.has_key('CONFIG_MEMBARRIER')}
-summary_info += {'fdatasync':         config_host.has_key('CONFIG_FDATASYNC')}
-summary_info += {'madvise':           config_host.has_key('CONFIG_MADVISE')}
-summary_info += {'posix_madvise':     config_host.has_key('CONFIG_POSIX_MADVISE')}
-summary_info += {'posix_memalign':    config_host.has_key('CONFIG_POSIX_MEMALIGN')}
 summary_info += {'debug stack usage': config_host.has_key('CONFIG_DEBUG_STACK_USAGE')}
 summary_info += {'mutex debugging':   config_host.has_key('CONFIG_DEBUG_MUTEX')}
 summary_info += {'memory allocator':  get_option('malloc')}