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meson: add test-dlopen
test-dlopen is a very simple binary that is only linked with libc and libdl. From it we do dlopen() on the nss and pam modules to check that they are linked to all necessary libs. (meson-compiled nss modules are linked to less libraries, for whatever reason. I suspected that some deps are missing, but it turns out that my suspicions weren't justified, and the modules load just fine. Let's keep the test though, it is very quick, and might detect missing linkage in the future.)
This commit is contained in:
Zbigniew Jędrzejewski-Szmek
parent
3762b6722e
commit
83b6af36d1
99
meson.build
99
meson.build
@ -1046,45 +1046,6 @@ libsystemd = shared_library(
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############################################################
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foreach tuple : [['myhostname', 'HAVE_MYHOSTNAME', []],
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['systemd', '', []],
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['mymachines', 'ENABLE_MACHINED', []],
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['resolve', 'ENABLE_RESOLVED', [libdl]]]
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condition = tuple[1] == '' or conf.get(tuple[1], 0) == 1
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if condition
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module = tuple[0]
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extra_deps = tuple[2]
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sym = 'src/nss-@0@/nss-@0@.sym'.format(module)
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version_script_arg = join_paths(meson.current_source_dir(), sym)
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shared_library(
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'nss_' + module,
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'src/nss-@0@/nss-@0@.c'.format(module),
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version : '2',
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include_directories : includes,
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link_args : ['-shared',
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'-Wl,--version-script=' + version_script_arg,
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'-Wl,--undefined'],
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link_with : [libsystemd_internal,
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libbasic],
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dependencies : [threads,
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librt] + extra_deps,
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link_depends : sym,
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install : true,
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install_dir : rootlibdir)
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# We cannot use shared_module because it does not support version suffix.
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# Unfortunately shared_library insists on creating the symlink…
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meson.add_install_script('sh', '-c',
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'rm $DESTDIR@0@/libnss_@1@.so'
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.format(rootlibdir, module))
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endif
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endforeach
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############################################################
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# binaries that have --help and are intended for use by humans,
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# usually, but not always, installed in /bin.
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public_programs = []
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@ -1114,6 +1075,60 @@ subdir('src/boot/efi')
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subdir('src/test')
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subdir('test')
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############################################################
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# only static linking apart from libdl, to make sure that the
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# module is linked to all libraries that it uses.
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test_dlopen = executable(
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'test-dlopen',
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test_dlopen_c,
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include_directories : includes,
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link_with : [libbasic],
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dependencies : [libdl])
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foreach tuple : [['myhostname', 'HAVE_MYHOSTNAME', []],
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['systemd', '', []],
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['mymachines', 'ENABLE_MACHINED', []],
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['resolve', 'ENABLE_RESOLVED', [libdl]]]
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condition = tuple[1] == '' or conf.get(tuple[1], 0) == 1
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if condition
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module = tuple[0]
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extra_deps = tuple[2]
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sym = 'src/nss-@0@/nss-@0@.sym'.format(module)
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version_script_arg = join_paths(meson.current_source_dir(), sym)
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nss = shared_library(
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'nss_' + module,
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'src/nss-@0@/nss-@0@.c'.format(module),
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version : '2',
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include_directories : includes,
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link_args : ['-shared',
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'-Wl,--version-script=' + version_script_arg,
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'-Wl,--undefined'],
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link_with : [libsystemd_internal,
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libbasic],
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dependencies : [threads,
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librt] + extra_deps,
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link_depends : sym,
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install : true,
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install_dir : rootlibdir)
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# We cannot use shared_module because it does not support version suffix.
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# Unfortunately shared_library insists on creating the symlink…
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meson.add_install_script('sh', '-c',
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'rm $DESTDIR@0@/libnss_@1@.so'
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.format(rootlibdir, module))
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test('dlopen-nss_' + module,
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test_dlopen,
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args : [nss.full_path()]) # path to dlopen must include a slash
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endif
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endforeach
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############################################################
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executable('systemd',
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systemd_sources,
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include_directories : includes,
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@ -1325,7 +1340,7 @@ if conf.get('ENABLE_LOGIND', 0) == 1
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if conf.get('HAVE_PAM', 0) == 1
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version_script_arg = join_paths(meson.current_source_dir(), pam_systemd_sym)
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shared_library(
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pam_systemd = shared_library(
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'pam_systemd',
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pam_systemd_c,
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name_prefix : '',
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@ -1340,6 +1355,10 @@ if conf.get('ENABLE_LOGIND', 0) == 1
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link_depends : pam_systemd_sym,
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install : true,
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install_dir : pamlibdir)
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test('dlopen-pam_systemd',
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test_dlopen,
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args : [pam_systemd.full_path()]) # path to dlopen must include a slash
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endif
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endif
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@ -35,6 +35,8 @@ test_libudev_sym_c = custom_target(
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command : [generate_sym_test_py, '@INPUT0@', '@INPUT1@'],
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capture : true)
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test_dlopen_c = files('test-dlopen.c')
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############################################################
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tests += [
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32
src/test/test-dlopen.c
Normal file
32
src/test/test-dlopen.c
Normal file
@ -0,0 +1,32 @@
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/***
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This file is part of systemd.
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Copyright 2016 Zbigniew Jędrzejewski-Szmek
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <dlfcn.h>
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#include <stdlib.h>
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#include "macro.h"
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int main(int argc, char **argv) {
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void *handle;
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assert_se((handle = dlopen(argv[1], RTLD_NOW)));
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assert_se(dlclose(handle) == 0);
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return EXIT_SUCCESS;
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}
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