diff options
Diffstat (limited to 'mesonbuild')
| -rw-r--r-- | mesonbuild/coredata.py | 46 |
1 files changed, 42 insertions, 4 deletions
diff --git a/mesonbuild/coredata.py b/mesonbuild/coredata.py index 401211a..68b1abf 100644 --- a/mesonbuild/coredata.py +++ b/mesonbuild/coredata.py @@ -14,6 +14,7 @@ # limitations under the License. import pickle, os, uuid +import sys from pathlib import PurePath from collections import OrderedDict from .mesonlib import MesonException, commonpath @@ -172,10 +173,7 @@ class CoreData: self.external_preprocess_args = {} # CPPFLAGS only self.external_args = {} # CPPFLAGS + CFLAGS self.external_link_args = {} # CFLAGS + LDFLAGS (with MSVC: only LDFLAGS) - if options.cross_file is not None: - self.cross_file = os.path.join(os.getcwd(), options.cross_file) - else: - self.cross_file = None + self.cross_file = self.__load_cross_file(options.cross_file) self.wrap_mode = options.wrap_mode self.compilers = OrderedDict() self.cross_compilers = OrderedDict() @@ -184,6 +182,46 @@ class CoreData: # Only to print a warning if it changes between Meson invocations. self.pkgconf_envvar = os.environ.get('PKG_CONFIG_PATH', '') + @staticmethod + def __load_cross_file(filename): + """Try to load the cross file. + + If the filename is None return None. If the filename is an absolute + (after resolving variables and ~), return that absolute path. Next, + check if the file is relative to the current source dir. If the path + still isn't resolved do the following: + Linux + BSD: + - $XDG_DATA_HOME/meson/cross (or ~/.local/share/meson/cross if + undefined) + - $XDG_DATA_DIRS/meson/cross (or + /usr/local/share/meson/cross:/usr/share/meson/cross if undefined) + - Error + *: + - Error + BSD follows the Linux path and will honor XDG_* if set. This simplifies + the implementation somewhat, especially since most BSD users wont set + those environment variables. + """ + if filename is None: + return None + filename = os.path.expanduser(os.path.expandvars(filename)) + if os.path.isabs(filename): + return filename + path_to_try = os.path.abspath(filename) + if os.path.exists(path_to_try): + return path_to_try + if sys.platform == 'linux' or 'bsd' in sys.platform.lower(): + paths = [ + os.environ.get('XDG_DATA_HOME', os.path.expanduser('~/.local/share')), + ] + os.environ.get('XDG_DATA_DIRS', '/usr/local/share:/usr/share').split(':') + for path in paths: + path_to_try = os.path.join(path, 'meson', 'cross', filename) + if os.path.exists(path_to_try): + return path_to_try + raise MesonException('Cannot find specified cross file: ' + filename) + + raise MesonException('Cannot find specified cross file: ' + filename) + def sanitize_prefix(self, prefix): if not os.path.isabs(prefix): raise MesonException('prefix value {!r} must be an absolute path' |