--- /dev/null
+From 1fd5a3d2adf04bad6ae6e9eef9caead7d46d9307 Mon Sep 17 00:00:00 2001
+From: Peter Seiderer <ps.report@gmx.net>
+Date: Thu, 8 Nov 2018 23:55:30 +0100
+Subject: [PATCH] configure.ac: disable gcc march mips64r2 detection
+
+Disable gcc march mips64r2 detection, compile flags already
+set by buildroot, fixes [1]:
+
+ error: '-mips64r2' conflicts with the other architecture options, which specify a mips64 processor
+
+[1] http://autobuild.buildroot.net/results/34f6e2352f1559f98c724fe5394db0035b42ddb1
+
+Signed-off-by: Peter Seiderer <ps.report@gmx.net>
+[Thomas: remove code instead of commenting it]
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
+---
+ configure.ac | 15 ---------------
+ 1 file changed, 15 deletions(-)
+
+diff --git a/configure.ac b/configure.ac
+index 289514ff1..18cf97ffe 100644
+--- a/configure.ac
++++ b/configure.ac
+@@ -1768,22 +1768,7 @@ case "${host_cpu}" in
+ AC_SUBST(FLAG_M32)
+
+
+- # does this compiler support -march=mips64r2 (mips64r2 default) ?
+- AC_MSG_CHECKING([if gcc accepts -march=mips64r2 -mabi=64])
+-
+- safe_CFLAGS=$CFLAGS
+- CFLAGS="$CFLAGS -march=mips64r2 -mabi=64 -Werror"
+-
+- AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[]], [[
+- return 0;
+- ]])], [
+- FLAG_M64="-march=mips64r2 -mabi=64"
+- AC_MSG_RESULT([yes])
+- ], [
+ FLAG_M64=""
+- AC_MSG_RESULT([no])
+- ])
+- CFLAGS=$safe_CFLAGS
+
+ AC_SUBST(FLAG_M64)
+ ;;
+--
+2.19.1
+
--disable-ubsan \
--without-mpicc
VALGRIND_INSTALL_STAGING = YES
+# Patch 0003-configure.ac-disable-gcc-march-mips64r2-detection.patch
+# touches configure.ac
+VALGRIND_AUTORECONF = YES
# Valgrind must be compiled with no stack protection, so forcefully
# pass -fno-stack-protector to override what Buildroot may have in