gmoduleconf_conf = configuration_data() g_module_need_uscore = 0 g_module_broken_rtld_global = 0 g_module_have_dlerror = 0 libdl_dep = [ ] g_module_lib_args = [ ] g_module_impl = '' dlopen_dlsym_test_code = ''' #include int glib_underscore_test (void) { return 42; } int main (int argc, char ** argv) { void *f1 = (void*)0, *f2 = (void*)0, *handle; handle = dlopen ((void*)0, 0); if (handle) { f1 = dlsym (handle, "glib_underscore_test"); f2 = dlsym (handle, "_glib_underscore_test"); } return (!f2 || f1); }''' # On Windows force native WIN32 shared lib loader if host_system == 'windows' g_module_impl = 'G_MODULE_IMPL_WIN32' # Force native AIX library loader # dlopen() filepath must be of the form /path/libname.a(libname.so) elif host_system == 'aix' g_module_impl = 'G_MODULE_IMPL_AR' elif cc.links(dlopen_dlsym_test_code, name : 'dlopen() and dlsym() in system libraries') g_module_impl = 'G_MODULE_IMPL_DL' # NSLinkModule (dyld) in system libraries (Darwin) elif cc.has_function('NSLinkModule') g_module_impl = 'G_MODULE_IMPL_DYLD' g_module_need_uscore = 1 elif cc.links(dlopen_dlsym_test_code, args : '-ldl', name : 'dlopen() and dlsym() in libdl') g_module_impl = 'G_MODULE_IMPL_DL' libdl_dep = cc.find_library('dl') g_module_lib_args = '-ldl' endif # additional checks for G_MODULE_IMPL_DL if g_module_impl == 'G_MODULE_IMPL_DL' # FIXME: check for OSF1/5.0 RTLD_GLOBAL brokenness (is this still relevant?) # Check whether we need preceding underscores if cc.get_id() == 'msvc' message('Building for MSVC: assuming that symbols are prefixed with underscore') g_module_need_uscore = 1 elif meson.has_exe_wrapper() # FIXME: communicate result via stdout instead of return value, so non-0 return is not printed in bold red rres = cc.run(dlopen_dlsym_test_code, args : g_module_lib_args, name : 'dlsym() preceding underscores') if host_system == 'windows' or rres.returncode() == 0 g_module_need_uscore = 1 endif else message('Cross-compiling: assuming that symbols aren\'t prefixed with underscore') g_module_need_uscore = 0 endif if cc.has_function('dlerror', args : g_module_lib_args) g_module_have_dlerror = 1 endif endif # Done, have we got an implementation? if g_module_impl == '' g_module_impl = '0' message('WARNING: No suitable GModule implementation found!') endif gmoduleconf_conf.set('G_MODULE_IMPL', g_module_impl) gmoduleconf_conf.set('G_MODULE_SUPPORTED', g_module_impl != '0') gmoduleconf_conf.set('G_MODULE_HAVE_DLERROR', g_module_have_dlerror) gmoduleconf_conf.set('G_MODULE_NEED_USCORE', g_module_need_uscore) gmoduleconf_conf.set('G_MODULE_BROKEN_RTLD_GLOBAL', g_module_broken_rtld_global) gmoduleconf_h = configure_file(input : 'gmoduleconf.h.in', output : 'gmoduleconf.h', configuration : gmoduleconf_conf) install_headers(['gmodule.h'], subdir : 'glib-2.0') libgmodule = shared_library('gmodule-2.0', sources : ['gmodule.c'], version : library_version, soversion : soversion, install : true, include_directories : [configinc, gmoduleinc], dependencies : [libdl_dep, libglib_dep], c_args : ['-DG_LOG_DOMAIN="GModule"', '-DG_DISABLE_DEPRECATED'] + glib_hidden_visibility_args) libgmodule_dep = declare_dependency(link_with : libgmodule, include_directories : gmoduleinc)