[gentoo-commits] gentoo-x86 commit in eclass: toolchain-funcs.eclass

["Mike Frysinger (vapier)" <vapier@gentoo.org>]

vapier      15/03/31 04:27:29

  Modified:             toolchain-funcs.eclass
  Log:
  tc-export_build_env: export BUILD_CPPFLAGS/BUILD_LDFLAGS to non-empty values so they do not get defaulted by build systems #526734 by Matthias Maier

Revision  Changes    Path
1.136                eclass/toolchain-funcs.eclass

file : http://sources.gentoo.org/viewvc.cgi/gentoo-x86/eclass/toolchain-funcs.eclass?rev=1.136&view=markup
plain: http://sources.gentoo.org/viewvc.cgi/gentoo-x86/eclass/toolchain-funcs.eclass?rev=1.136&content-type=text/plain
diff : http://sources.gentoo.org/viewvc.cgi/gentoo-x86/eclass/toolchain-funcs.eclass?r1=1.135&r2=1.136

Index: toolchain-funcs.eclass
===================================================================
RCS file: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v
retrieving revision 1.135
retrieving revision 1.136
diff -u -r1.135 -r1.136
--- toolchain-funcs.eclass	16 Mar 2015 21:12:27 -0000	1.135
+++ toolchain-funcs.eclass	31 Mar 2015 04:27:29 -0000	1.136
@@ -1,6 +1,6 @@
 # Copyright 1999-2015 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.135 2015/03/16 21:12:27 vapier Exp $
+# $Header: /var/cvsroot/gentoo-x86/eclass/toolchain-funcs.eclass,v 1.136 2015/03/31 04:27:29 vapier Exp $
 
 # @ECLASS: toolchain-funcs.eclass
 # @MAINTAINER:
@@ -223,10 +223,13 @@
 # Export common build related compiler settings.
 tc-export_build_env() {
 	tc-export "$@"
+	# Some build envs will initialize vars like:
+	# : ${BUILD_LDFLAGS:-${LDFLAGS}}
+	# So make sure all variables are non-empty. #526734
 	: ${BUILD_CFLAGS:=-O1 -pipe}
 	: ${BUILD_CXXFLAGS:=-O1 -pipe}
-	: ${BUILD_CPPFLAGS:=}
-	: ${BUILD_LDFLAGS:=}
+	: ${BUILD_CPPFLAGS:= }
+	: ${BUILD_LDFLAGS:= }
 	export BUILD_{C,CXX,CPP,LD}FLAGS
 
 	# Some packages use XXX_FOR_BUILD.