mirror of
https://gitlab.gnome.org/GNOME/glib.git
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e1f5b86fc2
As per meson spec, returncode() produces unspecified data if compiled() == false. Check compiled() first to avoid relying upon unspecified data. In addition, muon -- an implemetation of meson written in C goes further and forbids returning unspecified data. This is a good decision, but also makes it harder to support applications which wrongly use meson API. Therefore, application needs to be fixed.
138 lines
4.3 KiB
Meson
138 lines
4.3 KiB
Meson
gmoduleconf_conf = configuration_data()
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g_module_need_uscore = 0
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g_module_broken_rtld_global = 0
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g_module_have_dlerror = 0
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g_module_impl = ''
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# On Windows force native WIN32 shared lib loader
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if host_system == 'windows'
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g_module_impl = 'G_MODULE_IMPL_WIN32'
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# Force native AIX library loader
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# dlopen() filepath must be of the form /path/libname.a(libname.so)
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elif host_system == 'aix'
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g_module_impl = 'G_MODULE_IMPL_AR'
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elif have_dlopen_dlsym
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g_module_impl = 'G_MODULE_IMPL_DL'
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endif
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# additional checks for G_MODULE_IMPL_DL
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if g_module_impl == 'G_MODULE_IMPL_DL'
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# FIXME: check for OSF1/5.0 RTLD_GLOBAL brokenness (is this still relevant?)
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# Check whether we need preceding underscores
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if cc.get_id() == 'msvc' or cc.get_id() == 'clang-cl'
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message('Building for MSVC: assuming that symbols are prefixed with underscore')
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g_module_need_uscore = 1
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elif meson.has_exe_wrapper()
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# FIXME: communicate result via stdout instead of return value, so non-0 return is not printed in bold red
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rres = cc.run(dlopen_dlsym_test_code,
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dependencies : libdl_dep,
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name : 'dlsym() preceding underscores')
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if host_system == 'windows' or (rres.compiled() and rres.returncode() == 0)
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g_module_need_uscore = 1
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endif
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else
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message('Cross-compiling: assuming that symbols aren\'t prefixed with underscore')
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g_module_need_uscore = 0
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endif
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if cc.has_function('dlerror', dependencies : libdl_dep)
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g_module_have_dlerror = 1
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endif
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endif
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# Done, have we got an implementation?
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if g_module_impl == ''
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g_module_impl = '0'
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message('WARNING: No suitable GModule implementation found!')
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endif
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gmoduleconf_conf.set('G_MODULE_IMPL', g_module_impl)
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gmoduleconf_conf.set('G_MODULE_SUPPORTED', g_module_impl != '0')
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gmoduleconf_conf.set('G_MODULE_HAVE_DLERROR', g_module_have_dlerror)
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gmoduleconf_conf.set('G_MODULE_NEED_USCORE', g_module_need_uscore)
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gmoduleconf_conf.set('G_MODULE_BROKEN_RTLD_GLOBAL', g_module_broken_rtld_global)
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gmoduleconf_h = configure_file(input : 'gmoduleconf.h.in',
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output : 'gmoduleconf.h',
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configuration : gmoduleconf_conf)
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# Expose as variable to be used by gobject-introspection
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# when it includes GLib as a subproject
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gmodule_h = files('gmodule.h')
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gmodule_c = files('gmodule.c')
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install_headers([gmodule_h], subdir : 'glib-2.0')
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gmodule_sources = [gmodule_c]
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if host_system == 'windows'
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gmodule_win_rc = configure_file(
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input: 'gmodule.rc.in',
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output: 'gmodule.rc',
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configuration: glibconfig_conf,
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)
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gmodule_win_res = windows.compile_resources(gmodule_win_rc)
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gmodule_sources += [gmodule_win_res]
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endif
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libgmodule = library('gmodule-2.0',
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sources : gmodule_sources,
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version : library_version,
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soversion : soversion,
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darwin_versions : darwin_versions,
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install : true,
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include_directories : [configinc, gmoduleinc],
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dependencies : [libdl_dep, libglib_dep],
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c_args : ['-DG_LOG_DOMAIN="GModule"'] + glib_hidden_visibility_args,
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link_args : [glib_link_flags],
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)
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supported_var = 'gmodule_supported=@0@'.format(g_module_impl != '0')
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pkg.generate(libgmodule,
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libraries : [thread_dep],
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requires : ['glib-2.0'],
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version : glib_version,
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variables : [supported_var],
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install_dir : glib_pkgconfigreldir,
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filebase : 'gmodule-no-export-2.0',
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name : 'GModule',
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description : 'Dynamic module loader for GLib',
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)
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pkg.generate(libraries : [libgmodule, export_dynamic_ldflags],
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requires : ['glib-2.0'],
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version : glib_version,
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variables : [supported_var],
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install_dir : glib_pkgconfigreldir,
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filebase : 'gmodule-export-2.0',
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name : 'GModule',
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description : 'Dynamic module loader for GLib',
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)
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pkg.generate(libraries : [libgmodule, export_dynamic_ldflags],
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requires : ['glib-2.0'],
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version : glib_version,
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variables : [supported_var],
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install_dir : glib_pkgconfigreldir,
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filebase : 'gmodule-2.0',
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name : 'GModule',
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description : 'Dynamic module loader for GLib',
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)
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libgmodule_dep = declare_dependency(link_with : libgmodule,
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include_directories : [gmoduleinc],
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dependencies : [libglib_dep])
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if meson.version().version_compare('>=0.54.0')
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meson.override_dependency('gmodule-no-export-2.0', libgmodule_dep)
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meson.override_dependency('gmodule-export-2.0', libgmodule_dep)
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meson.override_dependency('gmodule-2.0', libgmodule_dep)
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endif
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if build_tests
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subdir('tests')
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endif
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