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configure, meson: move more compiler checks to Meson

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Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Message-Id: <20211007130829.632254-15-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Paolo Bonzini 2021-10-07 15:08:25 +02:00
parent b524e44fa4
commit bd87a36709
3 changed files with 47 additions and 92 deletions
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91
configure vendored
View File

@ -3110,19 +3110,6 @@ elif test "$tpm" = "yes"; then
fi
fi
##########################################
# iovec probe
cat > $TMPC <<EOF
#include <sys/types.h>
#include <sys/uio.h>
#include <unistd.h>
int main(void) { return sizeof(struct iovec); }
EOF
iovec=no
if compile_prog "" "" ; then
iovec=yes
fi
##########################################
# fdt probe
@ -3564,42 +3551,6 @@ EOF
fi
fi
#########################################
# See if 64-bit atomic operations are supported.
# Note that without __atomic builtins, we can only
# assume atomic loads/stores max at pointer size.
cat > $TMPC << EOF
#include <stdint.h>
int main(void)
{
uint64_t x = 0, y = 0;
y = __atomic_load_n(&x, __ATOMIC_RELAXED);
__atomic_store_n(&x, y, __ATOMIC_RELAXED);
__atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
__atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
__atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
return 0;
}
EOF
if compile_prog "" "" ; then
atomic64=yes
fi
########################################
# check if getauxval is available.
getauxval=no
cat > $TMPC << EOF
#include <sys/auxv.h>
int main(void) {
return getauxval(AT_HWCAP) == 0;
}
EOF
if compile_prog "" "" ; then
getauxval=yes
fi
########################################
# check if ccache is interfering with
# semantic analysis of macros
@ -3673,33 +3624,6 @@ else
membarrier=no
fi
##########################################
# check for usable AF_VSOCK environment
have_af_vsock=no
cat > $TMPC << EOF
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#if !defined(AF_VSOCK)
# error missing AF_VSOCK flag
#endif
#include <linux/vm_sockets.h>
int main(void) {
int sock, ret;
struct sockaddr_vm svm;
socklen_t len = sizeof(svm);
sock = socket(AF_VSOCK, SOCK_STREAM, 0);
ret = getpeername(sock, (struct sockaddr *)&svm, &len);
if ((ret == -1) && (errno == ENOTCONN)) {
return 0;
}
return -1;
}
EOF
if compile_prog "" "" ; then
have_af_vsock=yes
fi
##########################################
# check for usable AF_ALG environment
have_afalg=no
@ -4175,9 +4099,6 @@ fi
if test "$vhost_user_fs" = "yes" ; then
echo "CONFIG_VHOST_USER_FS=y" >> $config_host_mak
fi
if test "$iovec" = "yes" ; then
echo "CONFIG_IOVEC=y" >> $config_host_mak
fi
if test "$membarrier" = "yes" ; then
echo "CONFIG_MEMBARRIER=y" >> $config_host_mak
fi
@ -4247,14 +4168,6 @@ if test "$cmpxchg128" = "yes" ; then
echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
fi
if test "$atomic64" = "yes" ; then
echo "CONFIG_ATOMIC64=y" >> $config_host_mak
fi
if test "$getauxval" = "yes" ; then
echo "CONFIG_GETAUXVAL=y" >> $config_host_mak
fi
if test "$libssh" = "yes" ; then
echo "CONFIG_LIBSSH=y" >> $config_host_mak
echo "LIBSSH_CFLAGS=$libssh_cflags" >> $config_host_mak
@ -4282,10 +4195,6 @@ if test "$replication" = "yes" ; then
echo "CONFIG_REPLICATION=y" >> $config_host_mak
fi
if test "$have_af_vsock" = "yes" ; then
echo "CONFIG_AF_VSOCK=y" >> $config_host_mak
fi
if test "$debug_mutex" = "yes" ; then
echo "CONFIG_DEBUG_MUTEX=y" >> $config_host_mak
fi

44
meson.build
View File

@ -1550,6 +1550,8 @@ config_host_data.set('CONFIG_INOTIFY',
cc.has_header_symbol('sys/inotify.h', 'inotify_init'))
config_host_data.set('CONFIG_INOTIFY1',
cc.has_header_symbol('sys/inotify.h', 'inotify_init1'))
config_host_data.set('CONFIG_IOVEC',
cc.has_header_symbol('sys/uio.h', 'struct iovec'))
config_host_data.set('CONFIG_MACHINE_BSWAP_H',
cc.has_header_symbol('machine/bswap.h', 'bswap32',
prefix: '''#include <sys/endian.h>
@ -1697,6 +1699,48 @@ config_host_data.set('HAVE_BROKEN_SIZE_MAX', not cc.compiles('''
return printf("%zu", SIZE_MAX);
}''', args: ['-Werror']))
# See if 64-bit atomic operations are supported.
# Note that without __atomic builtins, we can only
# assume atomic loads/stores max at pointer size.
config_host_data.set('CONFIG_ATOMIC64', cc.links('''
#include <stdint.h>
int main(void)
{
uint64_t x = 0, y = 0;
y = __atomic_load_n(&x, __ATOMIC_RELAXED);
__atomic_store_n(&x, y, __ATOMIC_RELAXED);
__atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
__atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
__atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
return 0;
}'''))
config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
#include <sys/auxv.h>
int main(void) {
return getauxval(AT_HWCAP) == 0;
}'''))
config_host_data.set('CONFIG_AF_VSOCK', cc.compiles(gnu_source_prefix + '''
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#if !defined(AF_VSOCK)
# error missing AF_VSOCK flag
#endif
#include <linux/vm_sockets.h>
int main(void) {
int sock, ret;
struct sockaddr_vm svm;
socklen_t len = sizeof(svm);
sock = socket(AF_VSOCK, SOCK_STREAM, 0);
ret = getpeername(sock, (struct sockaddr *)&svm, &len);
if ((ret == -1) && (errno == ENOTCONN)) {
return 0;
}
return -1;
}'''))
ignored = ['CONFIG_QEMU_INTERP_PREFIX', # actually per-target
'HAVE_GDB_BIN']
arrays = ['CONFIG_BDRV_RW_WHITELIST', 'CONFIG_BDRV_RO_WHITELIST']

4
util/meson.build
View File

@ -1,5 +1,7 @@
util_ss.add(files('osdep.c', 'cutils.c', 'unicode.c', 'qemu-timer-common.c'))
util_ss.add(when: 'CONFIG_ATOMIC64', if_false: files('atomic64.c'))
if not config_host_data.get('CONFIG_ATOMIC64')
util_ss.add(files('atomic64.c'))
endif
util_ss.add(when: 'CONFIG_POSIX', if_true: files('aio-posix.c'))
util_ss.add(when: 'CONFIG_POSIX', if_true: files('fdmon-poll.c'))
if config_host_data.get('CONFIG_EPOLL_CREATE1')