--- a/giscanner/scannermain.py
+++ b/giscanner/scannermain.py
@@ -95,6 +95,39 @@ def get_windows_option_group(parser):
return group
+def _get_default_fallback_libpath():
+ # Newer multiple-output-optimized stdenv has an environment variable
+ # $outputLib which in turn specifies another variable which then is used as
+ # the destination for the library contents (${!outputLib}/lib).
+ store_path = os.environ.get(os.environ.get("outputLib")) if "outputLib" in os.environ else None
+ if store_path is None:
+ outputs = os.environ.get("outputs", "out").split()
+ if "lib" in outputs:
+ # For multiple output derivations let's try whether there is a $lib
+ # environment variable and use that as the base store path.
+ store_path = os.environ.get("lib")
+ elif "out" in outputs:
+ # Otherwise we have a single output derivation, so the libraries
+ # most certainly will end up in "$out/lib".
+ store_path = os.environ.get("out")
+
+ if store_path is not None:
+ # Even if we have a $lib as output, there still should be a $lib/lib
+ # directory.
+ return os.path.join(store_path, 'lib')
+ else:
+ # If we haven't found a possible scenario, let's return an empty string
+ # so that the shared library won't be prepended with a path.
+ #
+ # Note that this doesn't mean that all hope is lost, because after all
+ # we can still use --fallback-library-path to set one.
+ #
+ # Also, we're not returning None, because that would make it very
+ # difficult to disable adding fallback paths altogether using something
+ # like: --fallback-library-path=""
+ return ""
+
+
def _get_option_parser():
parser = optparse.OptionParser('%prog [options] sources',
version='%prog ' + giscanner.__version__)
@@ -205,6 +238,10 @@ match the namespace prefix.""")
parser.add_option("", "--filelist",
action="store", dest="filelist", default=[],
help="file containing headers and sources to be scanned")
+ parser.add_option("", "--fallback-library-path",
+ action="store", dest="fallback_libpath",
+ default=_get_default_fallback_libpath(),
+ help="Path to prepend to unknown shared libraries")
group = get_preprocessor_option_group(parser)
parser.add_option_group(group)
--- a/giscanner/shlibs.py
+++ b/giscanner/shlibs.py
@@ -57,6 +57,12 @@ def _ldd_library_pattern(library_name):
$""" % re.escape(library_name), re.VERBOSE)
+def _ldd_library_nix_pattern(library_name):
+ nix_store_dir = re.escape('@nixStoreDir@'.rstrip('/'))
+ pattern = r'(%s(?:/[^/]*)+lib%s[^A-Za-z0-9_-][^\s\(\)]*)'
+ return re.compile(pattern % (nix_store_dir, re.escape(library_name)))
+
+
# This is a what we do for non-la files. We assume that we are on an
# ELF-like system where ldd exists and the soname extracted with ldd is
# a filename that can be opened with dlopen().
@@ -106,7 +112,8 @@ def _resolve_non_libtool(options, binary, libraries):
output = output.decode("utf-8", "replace")
shlibs = resolve_from_ldd_output(libraries, output)
- return list(map(sanitize_shlib_path, shlibs))
+ fallback_libpath = options.fallback_libpath or "";
+ return list(map(lambda p: os.path.join(fallback_libpath, p), map(sanitize_shlib_path, shlibs)))
def sanitize_shlib_path(lib):
@@ -115,19 +122,18 @@ def sanitize_shlib_path(lib):
# In case we get relative paths on macOS (like @rpath) then we fall
# back to the basename as well:
# https://gitlab.gnome.org/GNOME/gobject-introspection/issues/222
- if sys.platform == "darwin":
- if not os.path.isabs(lib):
- return os.path.basename(lib)
- return lib
- else:
+
+ # Always use absolute paths if available
+ if not os.path.isabs(lib):
return os.path.basename(lib)
+ return lib
def resolve_from_ldd_output(libraries, output):
patterns = {}
for library in libraries:
if not os.path.isfile(library):
- patterns[library] = _ldd_library_pattern(library)
+ patterns[library] = (_ldd_library_pattern(library), _ldd_library_nix_pattern(library))
if len(patterns) == 0:
return []
@@ -139,8 +145,11 @@ def resolve_from_ldd_output(libraries, output):
if line.endswith(':'):
continue
for word in line.split():
- for library, pattern in patterns.items():
- m = pattern.match(word)
+ for library, (pattern, nix_pattern) in patterns.items():
+ if line.find('@nixStoreDir@') != -1:
+ m = nix_pattern.match(word)
+ else:
+ m = pattern.match(word)
if m:
del patterns[library]
shlibs.append(m.group())
--- a/giscanner/utils.py
+++ b/giscanner/utils.py
@@ -111,17 +111,11 @@ def extract_libtool_shlib(la_file):
if dlname is None:
return None
- # Darwin uses absolute paths where possible; since the libtool files never
- # contain absolute paths, use the libdir field
- if platform.system() == 'Darwin':
- dlbasename = os.path.basename(dlname)
- libdir = _extract_libdir_field(la_file)
- if libdir is None:
- return dlbasename
- return libdir + '/' + dlbasename
- # From the comments in extract_libtool(), older libtools had
- # a path rather than the raw dlname
- return os.path.basename(dlname)
+ dlbasename = os.path.basename(dlname)
+ libdir = _extract_libdir_field(la_file)
+ if libdir is None:
+ return dlbasename
+ return libdir + '/' + dlbasename
def extract_libtool(la_file):
--- a/tests/scanner/test_shlibs.py
+++ b/tests/scanner/test_shlibs.py
@@ -7,6 +7,30 @@ from giscanner.shlibs import resolve_from_ldd_output, sanitize_shlib_path
class TestLddParser(unittest.TestCase):
+ def test_resolve_from_ldd_output_nix(self):
+ output = '''\
+ libglib-2.0.so.0 => @nixStoreDir@/gmrf09y7sfxrr0mcx90dba7w41jj2kzk-glib-2.58.1/lib/libglib-2.0.so.0 (0x00007f0ee1b28000)
+ libgobject-2.0.so.0 => @nixStoreDir@/gmrf09y7sfxrr0mcx90dba7w41jj2kzk-glib-2.58.1/lib/libgobject-2.0.so.0 (0x00007f0ee18cf000)
+ libgio-2.0.so.0 => @nixStoreDir@/gmrf09y7sfxrr0mcx90dba7w41jj2kzk-glib-2.58.1/lib/libgio-2.0.so.0 (0x00007f0ee1502000)
+ libxml2.so.2 => @nixStoreDir@/72mxkk74cv266snkjpz1kwl1i2rg8rpc-libxml2-2.9.8/lib/libxml2.so.2 (0x00007f0ee119c000)
+ libsqlite3.so.0 => @nixStoreDir@/ck5ay23hsmlc67pg3m34kzd1k2hhvww0-sqlite-3.24.0/lib/libsqlite3.so.0 (0x00007f0ee0e98000)
+ libpsl.so.5 => @nixStoreDir@/qn3l2gn7m76f318676wflrs2z6d4rrkj-libpsl-0.20.2-list-2017-02-03/lib/libpsl.so.5 (0x00007f0ee0c88000)
+ libc.so.6 => @nixStoreDir@/g2yk54hifqlsjiha3szr4q3ccmdzyrdv-glibc-2.27/lib/libc.so.6 (0x00007f0ee08d4000)
+ libpcre.so.1 => @nixStoreDir@/hxbq8lpc53qsf1bc0dfcsm47wmcxzjvh-pcre-8.42/lib/libpcre.so.1 (0x00007f0ee0662000)
+ @nixStoreDir@/g2yk54hifqlsjiha3szr4q3ccmdzyrdv-glibc-2.27/lib64/ld-linux-x86-64.so.2 (0x00007f0ee20ff000)
+ libblkid.so.1 => @nixStoreDir@/q0kgnq21j0l2yd77gdlld371246cwghh-util-linux-2.32.1/lib/libblkid.so.1 (0x00007f0edd0cd000)
+ libuuid.so.1 => @nixStoreDir@/q0kgnq21j0l2yd77gdlld371246cwghh-util-linux-2.32.1/lib/libuuid.so.1 (0x00007f0edcec5000)
+ librt.so.1 => @nixStoreDir@/g2yk54hifqlsjiha3szr4q3ccmdzyrdv-glibc-2.27/lib/librt.so.1 (0x00007f0edccbd000)
+ libstdc++.so.6 => @nixStoreDir@/3v5r7fkrbkw2qajadvjbf6p6qriz9p1i-gcc-7.3.0-lib/lib/libstdc++.so.6 (0x00007f0edc936000)
+ libgcc_s.so.1 => @nixStoreDir@/g2yk54hifqlsjiha3szr4q3ccmdzyrdv-glibc-2.27/lib/libgcc_s.so.1 (0x00007f0edc720000)
+ '''
+ libraries = ['glib-2.0', 'gio-2.0']
+
+ self.assertEqual(
+ ['@nixStoreDir@/gmrf09y7sfxrr0mcx90dba7w41jj2kzk-glib-2.58.1/lib/libglib-2.0.so.0',
+ '@nixStoreDir@/gmrf09y7sfxrr0mcx90dba7w41jj2kzk-glib-2.58.1/lib/libgio-2.0.so.0'],
+ resolve_from_ldd_output(libraries, output))
+
def test_resolve_from_ldd_output(self):
output = '''\
libglib-2.0.so.0 => /usr/lib/x86_64-linux-gnu/libglib-2.0.so.0 (0x00007fbe12d68000)
@@ -40,7 +64,8 @@ class TestLddParser(unittest.TestCase):
self.assertEqual(
sanitize_shlib_path('/foo/bar'),
- '/foo/bar' if sys.platform == 'darwin' else 'bar')
+ # NixOS always want the absolute path
+ '/foo/bar')
def test_unresolved_library(self):
output = ''
