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fe3c16608a
Instead of letting each directory to find its way to link with libdl, it is easier to put the check in the top level, so its result can be used by all directories. It is a follow-up of https://gitlab.gnome.org/GNOME/glib/merge_requests/810.
127 lines
4.0 KiB
Meson
127 lines
4.0 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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# NSLinkModule (dyld) in system libraries (Darwin)
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elif cc.has_function('NSLinkModule')
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g_module_impl = 'G_MODULE_IMPL_DYLD'
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g_module_need_uscore = 1
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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.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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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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