diff options
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 92 |
1 files changed, 74 insertions, 18 deletions
diff --git a/meson.build b/meson.build index 5678551cd0..a28e78cbb7 100644 --- a/meson.build +++ b/meson.build @@ -492,22 +492,78 @@ endif # Dependencies # ################ -# The path to glib.h is added to all compilation commands. This was -# grandfathered in from the QEMU Makefiles. -add_project_arguments(config_host['GLIB_CFLAGS'].split(), - native: false, language: all_languages) -glib = declare_dependency(compile_args: config_host['GLIB_CFLAGS'].split(), - link_args: config_host['GLIB_LIBS'].split(), - version: config_host['GLIB_VERSION'], - variables: { - 'bindir': config_host['GLIB_BINDIR'], - }) -# override glib dep with the configure results (for subprojects) -meson.override_dependency('glib-2.0', glib) -# pass down whether Glib has the slice allocator -if config_host.has_key('HAVE_GLIB_WITH_SLICE_ALLOCATOR') - config_host_data.set('HAVE_GLIB_WITH_SLICE_ALLOCATOR', true) +# When bumping glib minimum version, please check also whether to increase +# the _WIN32_WINNT setting in osdep.h according to the value from glib +glib_req_ver = '>=2.56.0' +glib_pc = dependency('glib-2.0', version: glib_req_ver, required: true, + method: 'pkg-config') +glib_cflags = [] +if config_host.has_key('CONFIG_MODULES') + gmodule = dependency('gmodule-export-2.0', version: glib_req_ver, required: true, + method: 'pkg-config') +elif config_host.has_key('CONFIG_PLUGIN') + gmodule = dependency('gmodule-no-export-2.0', version: glib_req_ver, required: true, + method: 'pkg-config') +else + gmodule = not_found +endif + +# This workaround is required due to a bug in pkg-config file for glib as it +# doesn't define GLIB_STATIC_COMPILATION for pkg-config --static +if targetos == 'windows' and get_option('prefer_static') + glib_cflags += ['-DGLIB_STATIC_COMPILATION'] +endif + +# Sanity check that the current size_t matches the +# size that glib thinks it should be. This catches +# problems on multi-arch where people try to build +# 32-bit QEMU while pointing at 64-bit glib headers + +if not cc.compiles(''' + #include <glib.h> + #include <unistd.h> + + #define QEMU_BUILD_BUG_ON(x) \ + typedef char qemu_build_bug_on[(x)?-1:1] __attribute__((unused)); + + int main(void) { + QEMU_BUILD_BUG_ON(sizeof(size_t) != GLIB_SIZEOF_SIZE_T); + return 0; + }''', dependencies: glib_pc, args: glib_cflags) + error('''sizeof(size_t) doesn't match GLIB_SIZEOF_SIZE_T. + You probably need to set PKG_CONFIG_LIBDIR" to point + to the right pkg-config files for your build target.''') +endif + +# Silence clang warnings triggered by glib < 2.57.2 +if not cc.compiles(''' + #include <glib.h> + typedef struct Foo { + int i; + } Foo; + static void foo_free(Foo *f) + { + g_free(f); + } + G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free) + int main(void) { return 0; }''', dependencies: glib_pc, args: ['-Werror']) + glib_cflags += cc.get_supported_arguments('-Wno-unused-function') endif +glib = declare_dependency(dependencies: [glib_pc, gmodule], + compile_args: glib_cflags, + version: glib_pc.version()) + +# Check whether glib has gslice, which we have to avoid for correctness. +# TODO: remove this check and the corresponding workaround (qtree) when +# the minimum supported glib is >= 2.75.3 +glib_has_gslice = glib.version().version_compare('<2.75.3') + +# override glib dep to include the above refinements +meson.override_dependency('glib-2.0', glib) + +# The path to glib.h is added to all compilation commands. +add_project_dependencies(glib.partial_dependency(compile_args: true, includes: true), + native: false, language: all_languages) gio = not_found gdbus_codegen = not_found @@ -931,7 +987,7 @@ if have_system and get_option('curses').allowed() int main(void) { iconv_t conv = iconv_open("WCHAR_T", "UCS-2"); return conv != (iconv_t) -1; - }''', args: config_host['GLIB_CFLAGS'].split() + config_host['GLIB_LIBS'].split() + link_args) + }''', args: link_args, dependencies: glib) iconv = declare_dependency(link_args: link_args, dependencies: glib) break endif @@ -1967,6 +2023,7 @@ 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_COPY_FILE_RANGE', cc.has_function('copy_file_range')) config_host_data.set('HAVE_GETIFADDRS', cc.has_function('getifaddrs')) +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>')) @@ -3055,7 +3112,6 @@ subdir('ui') subdir('hw') subdir('gdbstub') - if enable_modules libmodulecommon = static_library('module-common', files('module-common.c') + genh, pic: true, c_args: '-DBUILD_DSO') modulecommon = declare_dependency(link_whole: libmodulecommon, compile_args: '-DBUILD_DSO') @@ -3677,7 +3733,7 @@ if host_machine.system() == 'windows' '@OUTPUT@', get_option('prefix'), meson.current_source_dir(), - config_host['GLIB_BINDIR'], + glib_pc.get_variable('bindir'), host_machine.cpu(), '--', '-DDISPLAYVERSION=' + meson.project_version(), |