From 59b3da32a1417f973c7ab6767f0f8d3ccfd6d923 Mon Sep 17 00:00:00 2001
From: Zac Medico <zmedico@gentoo.org>
Date: Tue, 11 Dec 2012 12:40:48 -0800
Subject: [PATCH] Add QA_CONFIGURE_OPTIONS variable.

---
 bin/phase-functions.sh                 |  3 ++-
 man/ebuild.5                           |  7 +++++-
 pym/portage/package/ebuild/doebuild.py | 33 ++++++++++++++++++++++----
 3 files changed, 37 insertions(+), 6 deletions(-)

diff --git a/bin/phase-functions.sh b/bin/phase-functions.sh
index 9de943630..5880f83c8 100644
--- a/bin/phase-functions.sh
+++ b/bin/phase-functions.sh
@@ -557,7 +557,8 @@ __dyn_install() {
 	if [[ $CATEGORY != virtual ]] ; then
 		for f in ASFLAGS CBUILD CC CFLAGS CHOST CTARGET CXX \
 			CXXFLAGS EXTRA_ECONF EXTRA_EINSTALL EXTRA_MAKE \
-			LDFLAGS LIBCFLAGS LIBCXXFLAGS QA_DESKTOP_FILE ; do
+			LDFLAGS LIBCFLAGS LIBCXXFLAGS QA_CONFIGURE_OPTIONS \
+			QA_DESKTOP_FILE ; do
 			x=$(echo -n ${!f})
 			[[ -n $x ]] && echo "$x" > $f
 		done
diff --git a/man/ebuild.5 b/man/ebuild.5
index cca00ddf0..0045efd63 100644
--- a/man/ebuild.5
+++ b/man/ebuild.5
@@ -1,4 +1,4 @@
-.TH "EBUILD" "5" "Oct 2012" "Portage VERSION" "Portage"
+.TH "EBUILD" "5" "Dec 2012" "Portage VERSION" "Portage"
 
 .SH "NAME"
 ebuild \- the internal format, variables, and functions in an ebuild script
@@ -781,6 +781,11 @@ shared libraries that have SONAMEs but should not have a corresponding SONAME
 symlink in the same directory. The paths may contain regular expressions
 with escape\-quoted special characters.
 .TP
+.B QA_CONFIGURE_OPTIONS
+This should contain a list of configure options which trigger warnings about
+unrecognized options. The options may contain regular expressions with
+escape\-quoted special characters.
+.TP
 .B QA_DT_NEEDED
 This should contain a list of file paths, relative to the image directory, of
 shared libraries that lack NEEDED entries. The paths may contain regular
diff --git a/pym/portage/package/ebuild/doebuild.py b/pym/portage/package/ebuild/doebuild.py
index 880cdc476..a735ea81b 100644
--- a/pym/portage/package/ebuild/doebuild.py
+++ b/pym/portage/package/ebuild/doebuild.py
@@ -1579,7 +1579,29 @@ def _check_build_log(mysettings, out=None):
 
 	configure_opts_warn = []
 	configure_opts_warn_re = re.compile(
-		r'^configure: WARNING: [Uu]nrecognized options: ')
+		r'^configure: WARNING: [Uu]nrecognized options: (.*)')
+
+	qa_configure_opts = ""
+	try:
+		with io.open(_unicode_encode(os.path.join(
+			mysettings["PORTAGE_BUILDDIR"],
+			"build-info", "QA_CONFIGURE_OPTIONS"),
+			encoding=_encodings['fs'], errors='strict'),
+			mode='r', encoding=_encodings['repo.content'],
+			errors='replace') as qa_configure_opts_f:
+			qa_configure_opts = qa_configure_opts_f.read()
+	except IOError as e:
+		if e.errno not in (errno.ENOENT, errno.ESTALE):
+			raise
+
+	qa_configure_opts = qa_configure_opts.split()
+	if qa_configure_opts:
+		if len(qa_configure_opts) > 1:
+			qa_configure_opts = "|".join("(%s)" % x for x in qa_configure_opts)
+			qa_configure_opts = "^(%s)$" % qa_configure_opts
+		else:
+			qa_configure_opts = "^%s$" % qa_configure_opts[0]
+		qa_configure_opts = re.compile(qa_configure_opts)
 
 	# Exclude output from dev-libs/yaz-3.0.47 which looks like this:
 	#
@@ -1611,8 +1633,11 @@ def _check_build_log(mysettings, out=None):
 			if helper_missing_file_re.match(line) is not None:
 				helper_missing_file.append(line.rstrip("\n"))
 
-			if configure_opts_warn_re.match(line) is not None:
-				configure_opts_warn.append(line.rstrip("\n"))
+			m = configure_opts_warn_re.match(line)
+			if m is not None:
+				for x in m.group(1).split(", "):
+					if not qa_configure_opts or qa_configure_opts.match(x) is None:
+						configure_opts_warn.append(x)
 
 			if make_jobserver_re.match(line) is not None:
 				make_jobserver.append(line.rstrip("\n"))
@@ -1661,7 +1686,7 @@ def _check_build_log(mysettings, out=None):
 	if configure_opts_warn:
 		msg = [_("QA Notice: Unrecognized configure options:")]
 		msg.append("")
-		msg.extend("\t" + line for line in configure_opts_warn)
+		msg.extend("\t%s" % x for x in configure_opts_warn)
 		_eqawarn(msg)
 
 	if make_jobserver:
-- 
2.26.2