binutils: fix build with host gcc < 4.9

binutils 2.27 checks if the target compiler supports -Wstack-
usage=262144, and also uses this setting for the host compiler. If the
host compiler is gcc < 4.9 binutils build will fail. This backports 2
commits which are fixing this problem for binutils 2.28.

Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This commit is contained in:
Hauke Mehrtens 2017-04-02 17:40:43 +02:00
parent d179aa8769
commit d1a0fc3ec8
2 changed files with 1323 additions and 0 deletions

View File

@ -0,0 +1,65 @@
From 183eb37e25d903ccd68cc2d8f8a37e75872c03d2 Mon Sep 17 00:00:00 2001
From: Nick Clifton <nickc@redhat.com>
Date: Tue, 6 Sep 2016 17:35:35 +0100
Subject: [PATCH 1/2] Do not pass host compiler sanitization flags on to linker
testsuite.
* Makefile.am (CFLAGS_FOR_TARGET): Define as a copy of CFLAGS but
without any sanitization options.
(CXXFLAGS_FOR_TARGET): Define as a copy of CXXFLAGS but without
any sanitization options.
(check-DEJAGNU): Pass CFLAGS_FOR_TARGET and CXXFLAGS_FOR_TARGET
as CFLAGS and CXXFLAGS respectively.
---
ld/Makefile.am | 8 ++++++--
ld/Makefile.in | 8 ++++++--
2 files changed, 12 insertions(+), 4 deletions(-)
--- a/ld/Makefile.am
+++ b/ld/Makefile.am
@@ -136,6 +136,10 @@ CXX_FOR_TARGET = ` \
fi; \
fi`
+# Strip out sanitization options as we want to test building binaries without any extra paraphernalia
+CFLAGS_FOR_TARGET = `echo $(CFLAGS) | sed -e 's/-fsanitize=address//g' -e 's/-fsanitize=undefined//g'`
+CXXFLAGS_FOR_TARGET = `echo $(CXXFLAGS) | sed -e 's/-fsanitize=address//g' -e 's/-fsanitize=undefined//g'`
+
transform = s/^ld-new$$/$(installed_linker)/;@program_transform_name@
bin_PROGRAMS = ld-new
info_TEXINFOS = ld.texinfo
@@ -2075,8 +2079,8 @@ check-DEJAGNU: site.exp
runtest=$(RUNTEST); \
if $(SHELL) -c "$$runtest --version" > /dev/null 2>&1; then \
$$runtest --tool $(DEJATOOL) --srcdir $${srcroot}/testsuite \
- CC="$(CC_FOR_TARGET)" CFLAGS="$(CFLAGS)" \
- CXX="$(CXX_FOR_TARGET)" CXXFLAGS="$(CXXFLAGS)" \
+ CC="$(CC_FOR_TARGET)" CFLAGS="$(CFLAGS_FOR_TARGET)" \
+ CXX="$(CXX_FOR_TARGET)" CXXFLAGS="$(CXXFLAGS_FOR_TARGET)" \
CC_FOR_HOST="$(CC)" CFLAGS_FOR_HOST="$(CFLAGS)" \
OFILES="$(OFILES)" BFDLIB="$(TESTBFDLIB)" \
LIBIBERTY="$(LIBIBERTY) $(LIBINTL)" LIBS="$(LIBS)" \
--- a/ld/Makefile.in
+++ b/ld/Makefile.in
@@ -507,6 +507,10 @@ CXX_FOR_TARGET = ` \
fi; \
fi`
+
+# Strip out sanitization options as they require special host libraries.
+CFLAGS_FOR_TARGET = `echo $(CFLAGS) | sed -e 's/-fsanitize=address//g' -e 's/-fsanitize=undefined//g'`
+CXXFLAGS_FOR_TARGET = `echo $(CXXFLAGS) | sed -e 's/-fsanitize=address//g' -e 's/-fsanitize=undefined//g'`
info_TEXINFOS = ld.texinfo
ld_TEXINFOS = configdoc.texi
noinst_TEXINFOS = ldint.texinfo
@@ -3644,8 +3648,8 @@ check-DEJAGNU: site.exp
runtest=$(RUNTEST); \
if $(SHELL) -c "$$runtest --version" > /dev/null 2>&1; then \
$$runtest --tool $(DEJATOOL) --srcdir $${srcroot}/testsuite \
- CC="$(CC_FOR_TARGET)" CFLAGS="$(CFLAGS)" \
- CXX="$(CXX_FOR_TARGET)" CXXFLAGS="$(CXXFLAGS)" \
+ CC="$(CC_FOR_TARGET)" CFLAGS="$(CFLAGS_FOR_TARGET)" \
+ CXX="$(CXX_FOR_TARGET)" CXXFLAGS="$(CXXFLAGS_FOR_TARGET)" \
CC_FOR_HOST="$(CC)" CFLAGS_FOR_HOST="$(CFLAGS)" \
OFILES="$(OFILES)" BFDLIB="$(TESTBFDLIB)" \
LIBIBERTY="$(LIBIBERTY) $(LIBINTL)" LIBS="$(LIBS)" \