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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 <dlfcn.h>
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')
gmodule_sources = ['gmodule.c']
if host_system == 'windows'
gmodule_win_rc = configure_file(
input: 'gmodule.rc.in',
output: 'gmodule.rc',
configuration: glibconfig_conf,
)
gmodule_win_res = windows.compile_resources(gmodule_win_rc)
gmodule_sources += [gmodule_win_res]
endif
libgmodule = library('gmodule-2.0',
sources : gmodule_sources,
version : library_version,
soversion : soversion,
darwin_versions : darwin_versions,
install : true,
include_directories : [configinc, gmoduleinc],
dependencies : [libdl_dep, libglib_dep],
c_args : ['-DG_LOG_DOMAIN="GModule"', '-DG_DISABLE_DEPRECATED'] + glib_hidden_visibility_args,
link_args : [glib_link_flags],
)
supported_var = 'gmodule_supported=@0@'.format(g_module_impl != '0')
pkg.generate(libgmodule,
libraries : [thread_dep],
requires : ['glib-2.0'],
version : glib_version,
variables : [supported_var],
install_dir : glib_pkgconfigreldir,
filebase : 'gmodule-no-export-2.0',
name : 'GModule',
description : 'Dynamic module loader for GLib',
)
pkg.generate(libraries : [libgmodule, export_dynamic_ldflags],
requires : ['glib-2.0'],
version : glib_version,
variables : [supported_var],
install_dir : glib_pkgconfigreldir,
filebase : 'gmodule-export-2.0',
name : 'GModule',
description : 'Dynamic module loader for GLib',
)
pkg.generate(libraries : [libgmodule, export_dynamic_ldflags],
requires : ['glib-2.0'],
version : glib_version,
variables : [supported_var],
install_dir : glib_pkgconfigreldir,
filebase : 'gmodule-2.0',
name : 'GModule',
description : 'Dynamic module loader for GLib',
)
libgmodule_dep = declare_dependency(link_with : libgmodule,
include_directories : [configinc, gmoduleinc, glibinc])
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