diff options
| -rw-r--r-- | mesonbuild/dependencies/base.py | 11 | ||||
| -rw-r--r-- | mesonbuild/environment.py | 18 |
2 files changed, 29 insertions, 0 deletions
diff --git a/mesonbuild/dependencies/base.py b/mesonbuild/dependencies/base.py index 0d9742d..9913a0b 100644 --- a/mesonbuild/dependencies/base.py +++ b/mesonbuild/dependencies/base.py @@ -640,3 +640,14 @@ def find_external_dependency(name, env, kwargs): raise pkg_exc mlog.log('Dependency', mlog.bold(name), 'found:', mlog.red('NO')) return pkgdep + + +def strip_system_libdirs(environment, link_args): + """Remove -L<system path> arguments. + + leaving these in will break builds where a user has a version of a library + in the system path, and a different version not in the system path if they + want to link against the non-system path version. + """ + exclude = {'-L{}'.format(p) for p in environment.get_compiler_system_dirs()} + return [l for l in link_args if l not in exclude] diff --git a/mesonbuild/environment.py b/mesonbuild/environment.py index 2f33a03..a746cab 100644 --- a/mesonbuild/environment.py +++ b/mesonbuild/environment.py @@ -887,6 +887,24 @@ class Environment: def get_datadir(self): return self.coredata.get_builtin_option('datadir') + def get_compiler_system_dirs(self): + for comp in self.coredata.compilers.values(): + if isinstance(comp, compilers.ClangCompiler): + index = 1 + break + elif isinstance(comp, compilers.GnuCompiler): + index = 2 + break + else: + # This option is only supported by gcc and clang. If we don't get a + # GCC or Clang compiler return and empty list. + return [] + + p, out, _ = Popen_safe(comp.get_exelist() + ['-print-search-dirs']) + if p.returncode != 0: + raise mesonlib.MesonException('Could not calculate system search dirs') + out = out.split('\n')[index].lstrip('libraries: =').split(':') + return [os.path.normpath(p) for p in out] def get_args_from_envvars(compiler): """ |