da1d13bc07
Includes the patches from macports and fixes an issue with the `otool -L` output that was causing g-ir-scanner to fail. The paths in the macports patches have been modified so that they will work with `patches` in nix (an extra directory level was added).
128 lines
5.3 KiB
Diff
128 lines
5.3 KiB
Diff
diff --git a/giscanner/scannermain.py b/giscanner/scannermain.py
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index 89ec193..54f1d2e 100755
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--- a/giscanner/scannermain.py
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+++ b/giscanner/scannermain.py
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@@ -94,6 +94,39 @@ 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"))
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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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parser.add_option('', "--quiet",
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@@ -200,6 +233,10 @@ 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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diff --git a/giscanner/shlibs.py b/giscanner/shlibs.py
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index 838d343..ca7fc0d 100644
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--- a/giscanner/shlibs.py
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+++ b/giscanner/shlibs.py
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@@ -53,10 +53,27 @@ def _resolve_libtool(options, binary, libraries):
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# Match absolute paths on OS X to conform to how libraries are usually
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# referenced on OS X systems.
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def _ldd_library_pattern(library_name):
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+ nix_store_dir = re.escape('@nixStoreDir@'.rstrip('/'))
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pattern = "(?<![A-Za-z0-9_-])(lib*%s[^A-Za-z0-9_-][^\s\(\)]*)"
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if platform.system() == 'Darwin':
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pattern = "([^\s]*lib*%s[^A-Za-z0-9_-][^\s\(\)]*)"
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- return re.compile(pattern % re.escape(library_name))
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+ return re.compile(pattern % re.escape(library_name))
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+ pattern = r'''
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+ (
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+ (?:
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+ # First match Nix store paths because they need to be absolute.
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+ (?:%s(?:/[^/]*)+)
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+ # Everything else not a store path remains relative, because we
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+ # would end up with temporary paths that are only valid during
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+ # build time in the resulting GIR file.
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+ | (?<=/)
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+ )
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+ # And finally the library itself:
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+ (?:lib%s[^A-Za-z0-9_-][^\s\(\)]*)
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+ )
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+ '''
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+ return re.compile(pattern % (nix_store_dir, re.escape(library_name)),
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+ re.VERBOSE)
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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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@@ -115,7 +132,11 @@ def _resolve_non_libtool(options, binary, libraries):
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m = pattern.search(line)
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if m:
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del patterns[library]
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- shlibs.append(m.group(1))
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+ match = m.group(1)
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+ if not match.startswith('/') \
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+ and len(options.fallback_libpath) > 0:
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+ match = os.path.join(options.fallback_libpath, match)
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+ shlibs.append(match)
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break
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if len(patterns) > 0:
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diff --git a/giscanner/utils.py b/giscanner/utils.py
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index 660081e..c9c767a 100644
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--- a/giscanner/utils.py
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+++ b/giscanner/utils.py
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@@ -109,17 +109,11 @@ 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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