mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-25 07:05:13 +00:00
e4a009a109
and add comments
186 lines
8.7 KiB
Diff
186 lines
8.7 KiB
Diff
--- 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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@@ -205,6 +238,10 @@ match the namespace prefix.""")
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parser.add_option("", "--filelist",
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action="store", dest="filelist", default=[],
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help="file containing headers and sources to be scanned")
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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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--- a/giscanner/shlibs.py
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+++ b/giscanner/shlibs.py
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@@ -57,6 +57,12 @@ def _ldd_library_pattern(library_name):
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$""" % re.escape(library_name), re.VERBOSE)
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+def _ldd_library_nix_pattern(library_name):
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+ nix_store_dir = re.escape('@nixStoreDir@'.rstrip('/'))
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+ pattern = r'(%s(?:/[^/]*)+lib%s[^A-Za-z0-9_-][^\s\(\)]*)'
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+ return re.compile(pattern % (nix_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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@@ -106,7 +112,8 @@ 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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@@ -115,19 +122,18 @@ 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_nix_pattern(library))
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if len(patterns) == 0:
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return []
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@@ -139,8 +145,11 @@ 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, nix_pattern) in patterns.items():
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+ if line.find('@nixStoreDir@') != -1:
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+ m = nix_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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--- a/giscanner/utils.py
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+++ b/giscanner/utils.py
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@@ -111,17 +111,11 @@ 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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- # From the comments in extract_libtool(), older libtools had
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- # 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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def extract_libtool(la_file):
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--- a/tests/scanner/test_shlibs.py
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+++ b/tests/scanner/test_shlibs.py
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@@ -7,6 +7,30 @@ from giscanner.shlibs import resolve_from_ldd_output, sanitize_shlib_path
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class TestLddParser(unittest.TestCase):
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+ def test_resolve_from_ldd_output_nix(self):
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+ output = '''\
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+ libglib-2.0.so.0 => @nixStoreDir@/gmrf09y7sfxrr0mcx90dba7w41jj2kzk-glib-2.58.1/lib/libglib-2.0.so.0 (0x00007f0ee1b28000)
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+ libgobject-2.0.so.0 => @nixStoreDir@/gmrf09y7sfxrr0mcx90dba7w41jj2kzk-glib-2.58.1/lib/libgobject-2.0.so.0 (0x00007f0ee18cf000)
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+ libgio-2.0.so.0 => @nixStoreDir@/gmrf09y7sfxrr0mcx90dba7w41jj2kzk-glib-2.58.1/lib/libgio-2.0.so.0 (0x00007f0ee1502000)
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+ libxml2.so.2 => @nixStoreDir@/72mxkk74cv266snkjpz1kwl1i2rg8rpc-libxml2-2.9.8/lib/libxml2.so.2 (0x00007f0ee119c000)
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+ libsqlite3.so.0 => @nixStoreDir@/ck5ay23hsmlc67pg3m34kzd1k2hhvww0-sqlite-3.24.0/lib/libsqlite3.so.0 (0x00007f0ee0e98000)
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+ libpsl.so.5 => @nixStoreDir@/qn3l2gn7m76f318676wflrs2z6d4rrkj-libpsl-0.20.2-list-2017-02-03/lib/libpsl.so.5 (0x00007f0ee0c88000)
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+ libc.so.6 => @nixStoreDir@/g2yk54hifqlsjiha3szr4q3ccmdzyrdv-glibc-2.27/lib/libc.so.6 (0x00007f0ee08d4000)
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+ libpcre.so.1 => @nixStoreDir@/hxbq8lpc53qsf1bc0dfcsm47wmcxzjvh-pcre-8.42/lib/libpcre.so.1 (0x00007f0ee0662000)
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+ @nixStoreDir@/g2yk54hifqlsjiha3szr4q3ccmdzyrdv-glibc-2.27/lib64/ld-linux-x86-64.so.2 (0x00007f0ee20ff000)
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+ libblkid.so.1 => @nixStoreDir@/q0kgnq21j0l2yd77gdlld371246cwghh-util-linux-2.32.1/lib/libblkid.so.1 (0x00007f0edd0cd000)
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+ libuuid.so.1 => @nixStoreDir@/q0kgnq21j0l2yd77gdlld371246cwghh-util-linux-2.32.1/lib/libuuid.so.1 (0x00007f0edcec5000)
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+ librt.so.1 => @nixStoreDir@/g2yk54hifqlsjiha3szr4q3ccmdzyrdv-glibc-2.27/lib/librt.so.1 (0x00007f0edccbd000)
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+ libstdc++.so.6 => @nixStoreDir@/3v5r7fkrbkw2qajadvjbf6p6qriz9p1i-gcc-7.3.0-lib/lib/libstdc++.so.6 (0x00007f0edc936000)
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+ libgcc_s.so.1 => @nixStoreDir@/g2yk54hifqlsjiha3szr4q3ccmdzyrdv-glibc-2.27/lib/libgcc_s.so.1 (0x00007f0edc720000)
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+ '''
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+ libraries = ['glib-2.0', 'gio-2.0']
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+
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+ self.assertEqual(
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+ ['@nixStoreDir@/gmrf09y7sfxrr0mcx90dba7w41jj2kzk-glib-2.58.1/lib/libglib-2.0.so.0',
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+ '@nixStoreDir@/gmrf09y7sfxrr0mcx90dba7w41jj2kzk-glib-2.58.1/lib/libgio-2.0.so.0'],
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+ resolve_from_ldd_output(libraries, output))
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+
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def test_resolve_from_ldd_output(self):
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output = '''\
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libglib-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007fbe12d68000)
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@@ -40,7 +64,8 @@ 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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+ # NixOS always want the absolute path
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+ '/foo/bar')
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def test_unresolved_library(self):
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output = ''
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