diff options
Diffstat (limited to 'pylib/gyp/win_tool.py')
| -rwxr-xr-x | pylib/gyp/win_tool.py | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/pylib/gyp/win_tool.py b/pylib/gyp/win_tool.py index 7f3b0a54..1634ff93 100755 --- a/pylib/gyp/win_tool.py +++ b/pylib/gyp/win_tool.py @@ -13,6 +13,7 @@ import os import re import shutil import subprocess +import string import sys BASE_DIR = os.path.dirname(os.path.abspath(__file__)) @@ -116,6 +117,82 @@ class WinTool(object): print line return link.returncode + def ExecLinkWithManifests(self, arch, embed_manifest, out, ldcmd, resname, + mt, rc, intermediate_manifest, *manifests): + """A wrapper for handling creating a manifest resource and then executing + a link command.""" + # The 'normal' way to do manifests is to have link generate a manifest + # based on gathering dependencies from the object files, then merge that + # manifest with other manifests supplied as sources, convert the merged + # manifest to a resource, and then *relink*, including the compiled + # version of the manifest resource. This breaks incremental linking, and + # is generally overly complicated. Instead, we merge all the manifests + # provided (along with one that includes what would normally be in the + # linker-generated one, see msvs_emulation.py), and include that into the + # first and only link. We still tell link to generate a manifest, but we + # only use that to assert that our simpler process did not miss anything. + variables = { + 'python': sys.executable, + 'arch': arch, + 'out': out, + 'ldcmd': ldcmd, + 'resname': resname, + 'mt': mt, + 'rc': rc, + 'intermediate_manifest': intermediate_manifest, + 'manifests': ' '.join(manifests), + } + add_to_ld = '' + if manifests: + subprocess.check_call( + '%(python)s gyp-win-tool manifest-wrapper %(arch)s %(mt)s -nologo ' + '-manifest %(manifests)s -out:%(out)s.manifest' % variables) + if embed_manifest == 'True': + subprocess.check_call( + '%(python)s gyp-win-tool manifest-to-rc %(arch)s %(out)s.manifest' + ' %(out)s.manifest.rc %(resname)s' % variables) + subprocess.check_call( + '%(python)s gyp-win-tool rc-wrapper %(arch)s %(rc)s ' + '%(out)s.manifest.rc' % variables) + add_to_ld = ' %(out)s.manifest.res' % variables + subprocess.check_call(ldcmd + add_to_ld) + + # Run mt.exe on the theoretically complete manifest we generated, merging + # it with the one the linker generated to confirm that the linker + # generated one does not add anything. This is strictly unnecessary for + # correctness, it's only to verify that e.g. /MANIFESTDEPENDENCY was not + # used in a #pragma comment. + if manifests: + # Merge the intermediate one with ours to .assert.manifest, then check + # that .assert.manifest is identical to ours. + subprocess.check_call( + '%(python)s gyp-win-tool manifest-wrapper %(arch)s %(mt)s -nologo ' + '-manifest %(out)s.manifest %(intermediate_manifest)s ' + '-out:%(out)s.assert.manifest' % variables) + assert_manifest = '%(out)s.assert.manifest' % variables + our_manifest = '%(out)s.manifest' % variables + # Load and normalize the manifests. mt.exe sometimes removes whitespace, + # and sometimes doesn't unfortunately. + with open(our_manifest, 'rb') as our_f: + with open(assert_manifest, 'rb') as assert_f: + our_data = our_f.read().translate(None, string.whitespace) + assert_data = assert_f.read().translate(None, string.whitespace) + if our_data != assert_data: + os.unlink(out) + def dump(filename): + sys.stderr.write('%s\n-----\n' % filename) + with open(filename, 'rb') as f: + sys.stderr.write(f.read() + '\n-----\n') + dump(intermediate_manifest) + dump(our_manifest) + dump(assert_manifest) + sys.stderr.write( + 'Linker generated manifest "%s" added to final manifest "%s" ' + '(result in "%s"). ' + 'Were /MANIFEST switches used in #pragma statements? ' % ( + intermediate_manifest, our_manifest, assert_manifest)) + return 1 + def ExecManifestWrapper(self, arch, *args): """Run manifest tool with environment set. Strip out undesirable warning (some XML blocks are recognized by the OS loader, but not the manifest |