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Diffstat (limited to 'solenv/gbuild/platform/filter-showIncludes.awk')
| -rwxr-xr-x | solenv/gbuild/platform/filter-showIncludes.awk | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/solenv/gbuild/platform/filter-showIncludes.awk b/solenv/gbuild/platform/filter-showIncludes.awk new file mode 100755 index 000000000..9f5cabd10 --- /dev/null +++ b/solenv/gbuild/platform/filter-showIncludes.awk @@ -0,0 +1,99 @@ +#!/usr/bin/gawk -f +# -*- tab-width: 4; indent-tabs-mode: t -*- +# +# This file is part of the LibreOffice project. +# +# This Source Code Form is subject to the terms of the Mozilla Public +# License, v. 2.0. If a copy of the MPL was not distributed with this +# file, You can obtain one at http://mozilla.org/MPL/2.0/. +# + +# Create dependency information from the output of cl.exe's showInclude. It +# needs additional information - the output name to which to write, objfile +# that depends on the includes, and the original file name. +# For best results all arguments should be absolute paths. +# +# It also consolidates the file names to a canonical form, and filters out +# duplicates. +# +# based on filter-showInclude.pl by Jan Holesovsky <kendy@suse.cz> + +BEGIN { + if (!depfile || !objectfile || !sourcefile) { + print "usage: filter-showIncludes.awk -vdepfile=depfile.d " \ + "-vobjectfile=objfile.o -vsourcefile=source.cxx" > "/dev/stderr" + exit 1 + } + tempfile = depfile ".tmp" + print objectfile " : \\\n " sourcefile " \\" > tempfile + + showincludes_prefix = ENVIRON["SHOWINCLUDES_PREFIX"]; + if (!showincludes_prefix) { + showincludes_prefix = "Note: including file:" + } + + # to match especially drive letters in allowlist case insensitive + IGNORECASE = 1 + allowlist = \ + "^(" ENVIRON["SRCDIR"] "|" ENVIRON["BUILDDIR"] ")" + firstline = 1 +} + +{ + sub(/\r$/, "") + sub(/^ */, "") + if (index($0, showincludes_prefix) == 1) { + $0 = substr($0, length(showincludes_prefix) + 1) + sub(/^ */, "") + + # The output from MSVC may contain a carriage return character at the + # end of filenames, in which case the translation unit will depend on a + # non-existing header, resulting in constant rebuild of all files, + # prevent that. + sub(/
/, "") + + gsub(/\\/, "/") + gsub(/ /, "\\ ") + if ($0 ~ allowlist) { # filter out system headers + if (!($0 in incfiles)) { + incfiles[$0] + print " " $0 " \\" > tempfile + } + } + } else { + # because MSVC stupidly prints errors on stdout, it's + # necessary to forward everything that isn't matched by the pattern + # so users get to see them. + if (firstline) { # ignore the line that just prints name of sourcefile + firstline = 0 + } else { + print $0 > "/dev/stderr" + } + } +} + +END { + if (!tempfile) { + exit 1 + } + print "" > tempfile + + # fdo#40099 if header.h does not exist, it will simply be considered out of + # date and any targets that use it as a prerequisite will be updated, + # which avoid misery when the header is deliberately deleted and removed + # as an include + # see http://www.makelinux.net/make3/make3-CHP-8-SECT-3 + for (file in incfiles) { + print file " :\n" > tempfile + } + + close(tempfile) + movecmd = "mv " tempfile " " depfile + ret = system(movecmd) + if (ret) { + print "ERROR: " movecmd " FAILED with status " ret > "/dev/stderr" + exit ret + } +} + +# vim: set noet sw=4 ts=4: |