174 lines
6.9 KiB
Diff
174 lines
6.9 KiB
Diff
Names of libraries included in typelib files are opened by dlopen.
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Here we add the full path.
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This patch was provided by Luca Bruno <lucabru@src.gnome.org>,
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for 'gobject-introspection' 1.40.0 in Nix.
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It has since been updated to work with newer versions of
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gobject-introspection.
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diff --git a/giscanner/scannermain.py b/giscanner/scannermain.py
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index 1d39ab84..e12ed24e 100644
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--- a/giscanner/scannermain.py
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+++ b/giscanner/scannermain.py
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@@ -95,6 +95,39 @@ def get_windows_option_group(parser):
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return group
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+def _get_default_fallback_libpath():
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+ # Newer multiple-output-optimized stdenv has an environment variable
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+ # $outputLib which in turn specifies another variable which then is used as
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+ # the destination for the library contents (${!outputLib}/lib).
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+ store_path = os.environ.get(os.environ.get("outputLib")) if "outputLib" in os.environ else None
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+ if store_path is None:
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+ outputs = os.environ.get("outputs", "out").split()
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+ if "lib" in outputs:
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+ # For multiple output derivations let's try whether there is a $lib
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+ # environment variable and use that as the base store path.
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+ store_path = os.environ.get("lib")
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+ elif "out" in outputs:
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+ # Otherwise we have a single output derivation, so the libraries
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+ # most certainly will end up in "$out/lib".
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+ store_path = os.environ.get("out")
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+
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+ if store_path is not None:
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+ # Even if we have a $lib as output, there still should be a $lib/lib
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+ # directory.
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+ return os.path.join(store_path, 'lib')
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+ else:
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+ # If we haven't found a possible scenario, let's return an empty string
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+ # so that the shared library won't be prepended with a path.
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+ #
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+ # Note that this doesn't mean that all hope is lost, because after all
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+ # we can still use --fallback-library-path to set one.
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+ #
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+ # Also, we're not returning None, because that would make it very
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+ # difficult to disable adding fallback paths altogether using something
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+ # like: --fallback-library-path=""
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+ return ""
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+
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+
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def _get_option_parser():
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parser = optparse.OptionParser('%prog [options] sources',
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version='%prog ' + giscanner.__version__)
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@@ -220,6 +253,10 @@ match the namespace prefix.""")
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parser.add_option("", "--compiler",
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action="store", dest="compiler", default=None,
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help="the C compiler to use internally")
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+ parser.add_option("", "--fallback-library-path",
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+ action="store", dest="fallback_libpath",
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+ default=_get_default_fallback_libpath(),
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+ help="Path to prepend to unknown shared libraries")
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group = get_preprocessor_option_group(parser)
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parser.add_option_group(group)
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diff --git a/giscanner/shlibs.py b/giscanner/shlibs.py
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index 9f8ab5df..8aa37c99 100644
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--- a/giscanner/shlibs.py
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+++ b/giscanner/shlibs.py
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@@ -57,6 +57,14 @@ def _ldd_library_pattern(library_name):
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$""" % re.escape(library_name), re.VERBOSE)
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+def _ldd_library_guix_pattern(library_name):
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+ store_dir = re.escape(
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+ os.environ.get("NIX_STORE", default="/gnu/store")
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+ )
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+ pattern = r'(%s(?:/[^/]*)+lib%s[^A-Za-z0-9_-][^\s\(\)]*)'
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+ return re.compile(pattern % (store_dir, re.escape(library_name)))
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+
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+
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# This is a what we do for non-la files. We assume that we are on an
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# ELF-like system where ldd exists and the soname extracted with ldd is
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# a filename that can be opened with dlopen().
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@@ -108,7 +116,8 @@ def _resolve_non_libtool(options, binary, libraries):
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output = output.decode("utf-8", "replace")
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shlibs = resolve_from_ldd_output(libraries, output)
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- return list(map(sanitize_shlib_path, shlibs))
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+ fallback_libpath = options.fallback_libpath or "";
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+ return list(map(lambda p: os.path.join(fallback_libpath, p), map(sanitize_shlib_path, shlibs)))
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def sanitize_shlib_path(lib):
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@@ -117,19 +126,18 @@ def sanitize_shlib_path(lib):
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# In case we get relative paths on macOS (like @rpath) then we fall
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# back to the basename as well:
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# https://gitlab.gnome.org/GNOME/gobject-introspection/issues/222
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- if sys.platform == "darwin":
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- if not os.path.isabs(lib):
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- return os.path.basename(lib)
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- return lib
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- else:
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+
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+ # Always use absolute paths if available
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+ if not os.path.isabs(lib):
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return os.path.basename(lib)
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+ return lib
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def resolve_from_ldd_output(libraries, output):
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patterns = {}
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for library in libraries:
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if not os.path.isfile(library):
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- patterns[library] = _ldd_library_pattern(library)
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+ patterns[library] = (_ldd_library_pattern(library), _ldd_library_guix_pattern(library))
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if len(patterns) == 0:
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return []
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@@ -141,8 +149,12 @@ def resolve_from_ldd_output(libraries, output):
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if line.endswith(':'):
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continue
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for word in line.split():
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- for library, pattern in patterns.items():
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- m = pattern.match(word)
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+ for library, (pattern, guix_pattern) in patterns.items():
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+ store_dir = os.environ.get("NIX_STORE", default="/gnu/store")
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+ if line.find(store_dir) != -1:
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+ m = guix_pattern.match(word)
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+ else:
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+ m = pattern.match(word)
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if m:
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del patterns[library]
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shlibs.append(m.group())
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diff --git a/giscanner/utils.py b/giscanner/utils.py
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index 31c7ea48..630002a8 100644
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--- a/giscanner/utils.py
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+++ b/giscanner/utils.py
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@@ -114,16 +114,11 @@ def extract_libtool_shlib(la_file):
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if dlname is None:
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return None
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- # Darwin uses absolute paths where possible; since the libtool files never
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- # contain absolute paths, use the libdir field
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- if platform.system() == 'Darwin':
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- dlbasename = os.path.basename(dlname)
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- libdir = _extract_libdir_field(la_file)
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- if libdir is None:
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- return dlbasename
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- return libdir + '/' + dlbasename
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- # Older libtools had a path rather than the raw dlname
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- return os.path.basename(dlname)
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+ dlbasename = os.path.basename(dlname)
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+ libdir = _extract_libdir_field(la_file)
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+ if libdir is None:
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+ return dlbasename
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+ return libdir + '/' + dlbasename
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# Returns arguments for invoking libtool, if applicable, otherwise None
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diff --git a/tests/scanner/test_shlibs.py b/tests/scanner/test_shlibs.py
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index a8337c60..7f123103 100644
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--- a/tests/scanner/test_shlibs.py
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+++ b/tests/scanner/test_shlibs.py
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@@ -40,7 +40,8 @@ class TestLddParser(unittest.TestCase):
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self.assertEqual(
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sanitize_shlib_path('/foo/bar'),
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- '/foo/bar' if sys.platform == 'darwin' else 'bar')
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+ # Always use an absolute filename for Guix
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+ '/foo/bar')
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def test_unresolved_library(self):
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output = ''
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