fe4b53b8c3
Upstream now strips absolute paths to their basename on all platforms apart from
Darwin: a41abe1868
To get around this without modifying the basename test we simply pass in
`basename=False` when normally generating gir files.
134 lines
5.6 KiB
Diff
134 lines
5.6 KiB
Diff
--- a/giscanner/scannermain.py
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+++ b/giscanner/scannermain.py
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@@ -101,6 +101,39 @@
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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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@@ -211,6 +244,10 @@
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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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@@ -62,6 +62,12 @@
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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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@@ -110,17 +116,16 @@ def _resolve_non_libtool(options, binary, libraries):
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if isinstance(output, bytes):
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output = output.decode("utf-8", "replace")
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- # Use absolute paths on OS X to conform to how libraries are usually
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- # referenced on OS X systems, and file names everywhere else.
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- basename = platform.system() != 'Darwin'
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- return resolve_from_ldd_output(libraries, output, basename=basename)
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+ # Never strip away absolute paths in Nix
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+ basename = False
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+ return resolve_from_ldd_output(libraries, output, basename=basename, fallback_libpath=options.fallback_libpath)
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-def resolve_from_ldd_output(libraries, output, basename=False):
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+def resolve_from_ldd_output(libraries, output, basename=False, fallback_libpath=""):
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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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@@ -129,11 +134,14 @@ def resolve_from_ldd_output(libraries, output, basename=False):
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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(_sanitize_install_name(m.group()))
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+ shlibs.append(os.path.join(fallback_libpath, _sanitize_install_name(m.group())))
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break
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if len(patterns) > 0:
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--- a/giscanner/utils.py
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+++ b/giscanner/utils.py
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@@ -116,17 +116,11 @@
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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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