block/file-posix: set up Linux AIO and io_uring in the current thread

[mirror_qemu.git] / meson.build

diff --git a/meson.build b/meson.build
index dcef8b1e79113e04df648e65b21f8b6794ece9bf..6c77d9687ded405fcd6cd8b231929663644c890a 100644 (file)
--- a/meson.build
+++ b/meson.build
@@ -123,21 +123,24 @@ if get_option('kvm').allowed() and targetos == 'linux'
   kvm_targets_c = '"' + '" ,"'.join(kvm_targets) + '"'
 endif
 config_host_data.set('CONFIG_KVM_TARGETS', kvm_targets_c)
-
 accelerator_targets = { 'CONFIG_KVM': kvm_targets }
 
+if cpu in ['x86', 'x86_64']
+  xen_targets = ['i386-softmmu', 'x86_64-softmmu']
+elif cpu in ['arm', 'aarch64']
+  # i386 emulator provides xenpv machine type for multiple architectures
+  xen_targets = ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu']
+else
+  xen_targets = []
+endif
+accelerator_targets += { 'CONFIG_XEN': xen_targets }
+
 if cpu in ['aarch64']
   accelerator_targets += {
     'CONFIG_HVF': ['aarch64-softmmu']
   }
 endif
 
-if cpu in ['x86', 'x86_64', 'arm', 'aarch64']
-  # i386 emulator provides xenpv machine type for multiple architectures
-  accelerator_targets += {
-    'CONFIG_XEN': ['i386-softmmu', 'x86_64-softmmu', 'aarch64-softmmu'],
-  }
-endif
 if cpu in ['x86', 'x86_64']
   accelerator_targets += {
     'CONFIG_HVF': ['x86_64-softmmu'],
@@ -462,6 +465,7 @@ warn_flags = [
   '-Wno-tautological-type-limit-compare',
   '-Wno-psabi',
   '-Wno-gnu-variable-sized-type-not-at-end',
+  '-Wshadow=local',
 ]
 
 if targetos != 'darwin'
@@ -813,10 +817,11 @@ if 'ust' in get_option('trace_backends')
                      method: 'pkg-config')
 endif
 pixman = not_found
-if have_system or have_tools
-  pixman = dependency('pixman-1', required: have_system, version:'>=0.21.8',
+if not get_option('pixman').auto() or have_system or have_tools
+  pixman = dependency('pixman-1', required: get_option('pixman'), version:'>=0.21.8',
                       method: 'pkg-config')
 endif
+
 zlib = dependency('zlib', required: true)
 
 libaio = not_found
@@ -1011,7 +1016,11 @@ if not get_option('spice_protocol').auto() or have_system
                               method: 'pkg-config')
 endif
 spice = not_found
-if not get_option('spice').auto() or have_system
+if get_option('spice') \
+             .disable_auto_if(not have_system) \
+             .require(pixman.found(),
+                      error_message: 'cannot enable SPICE if pixman is not available') \
+             .allowed()
   spice = dependency('spice-server', version: '>=0.14.0',
                      required: get_option('spice'),
                      method: 'pkg-config')
@@ -1323,6 +1332,30 @@ if not get_option('glusterfs').auto() or have_block
   endif
 endif
 
+hv_balloon = false
+if get_option('hv_balloon').allowed() and have_system
+  if cc.links('''
+    #include <string.h>
+    #include <gmodule.h>
+    int main(void) {
+        GTree *tree;
+
+        tree = g_tree_new((GCompareFunc)strcmp);
+        (void)g_tree_node_first(tree);
+        g_tree_destroy(tree);
+        return 0;
+    }
+  ''', dependencies: glib)
+    hv_balloon = true
+  else
+    if get_option('hv_balloon').enabled()
+      error('could not enable hv-balloon, update your glib')
+    else
+      warning('could not find glib support for hv-balloon, disabling')
+    endif
+  endif
+endif
+
 libssh = not_found
 if not get_option('libssh').auto() or have_block
   libssh = dependency('libssh', version: '>=0.8.7',
@@ -1499,7 +1532,11 @@ gtkx11 = not_found
 vte = not_found
 have_gtk_clipboard = get_option('gtk_clipboard').enabled()
 
-if not get_option('gtk').auto() or have_system
+if get_option('gtk') \
+             .disable_auto_if(not have_system) \
+             .require(pixman.found(),
+                      error_message: 'cannot enable GTK if pixman is not available') \
+             .allowed()
   gtk = dependency('gtk+-3.0', version: '>=3.22.0',
                    method: 'pkg-config',
                    required: get_option('gtk'))
@@ -1532,7 +1569,11 @@ endif
 vnc = not_found
 jpeg = not_found
 sasl = not_found
-if get_option('vnc').allowed() and have_system
+if get_option('vnc') \
+             .disable_auto_if(not have_system) \
+             .require(pixman.found(),
+                      error_message: 'cannot enable VNC if pixman is not available') \
+             .allowed()
   vnc = declare_dependency() # dummy dependency
   jpeg = dependency('libjpeg', required: get_option('vnc_jpeg'),
                     method: 'pkg-config')
@@ -2125,6 +2166,7 @@ config_host_data.set('CONFIG_SECCOMP', seccomp.found())
 if seccomp.found()
   config_host_data.set('CONFIG_SECCOMP_SYSRAWRC', seccomp_has_sysrawrc)
 endif
+config_host_data.set('CONFIG_PIXMAN', pixman.found())
 config_host_data.set('CONFIG_SNAPPY', snappy.found())
 config_host_data.set('CONFIG_SOLARIS', targetos == 'sunos')
 if get_option('tcg').allowed()
@@ -2254,6 +2296,7 @@ config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', glib_has_gslice)
 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>'))
+config_host_data.set('HAVE_GETLOADAVG_FUNCTION', cc.has_function('getloadavg', prefix: '#include <stdlib.h>'))
 if rbd.found()
   config_host_data.set('HAVE_RBD_NAMESPACE_EXISTS',
                        cc.has_function('rbd_namespace_exists',
@@ -2844,6 +2887,7 @@ have_ivshmem = config_host_data.get('CONFIG_EVENTFD')
 host_kconfig = \
   (get_option('fuzzing') ? ['CONFIG_FUZZ=y'] : []) + \
   (have_tpm ? ['CONFIG_TPM=y'] : []) + \
+  (pixman.found() ? ['CONFIG_PIXMAN=y'] : []) + \
   (spice.found() ? ['CONFIG_SPICE=y'] : []) + \
   (have_ivshmem ? ['CONFIG_IVSHMEM=y'] : []) + \
   (opengl.found() ? ['CONFIG_OPENGL=y'] : []) + \
@@ -2855,7 +2899,8 @@ host_kconfig = \
   (targetos == 'linux' ? ['CONFIG_LINUX=y'] : []) + \
   (have_pvrdma ? ['CONFIG_PVRDMA=y'] : []) + \
   (multiprocess_allowed ? ['CONFIG_MULTIPROCESS_ALLOWED=y'] : []) + \
-  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : [])
+  (vfio_user_server_allowed ? ['CONFIG_VFIO_USER_SERVER_ALLOWED=y'] : []) + \
+  (hv_balloon ? ['CONFIG_HV_BALLOON_POSSIBLE=y'] : [])
 
 ignored = [ 'TARGET_XML_FILES', 'TARGET_ABI_DIR', 'TARGET_ARCH' ]
 
@@ -3904,6 +3949,11 @@ endforeach
 
 if get_option('plugins')
   install_headers('include/qemu/qemu-plugin.h')
+  if targetos == 'windows'
+    # On windows, we want to deliver the qemu_plugin_api.lib file in the qemu installer,
+    # so that plugin authors can compile against it.
+    install_data(win32_qemu_plugin_api_lib, install_dir: 'lib')
+  endif
 endif
 
 subdir('qga')
@@ -4321,6 +4371,7 @@ if targetos == 'windows'
 endif
 summary_info += {'seccomp support':   seccomp}
 summary_info += {'GlusterFS support': glusterfs}
+summary_info += {'hv-balloon support': hv_balloon}
 summary_info += {'TPM support':       have_tpm}
 summary_info += {'libssh support':    libssh}
 summary_info += {'lzo support':       lzo}