Hack to make compiles for the other endianness easier.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Thiemo Seufer <ths@networkno.de>

diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 56e1d42a5796f3e8cc4ea90bac2d164d9e04b9e2..056aae597123a57ae937d09d182c8b691246246c 100644 (file)
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -97,6 +97,15 @@ cflags-y                     += $(call cc-option, -finline-limit=100000)
 LDFLAGS_vmlinux                        += -G 0 -static -n -nostdlib
 MODFLAGS                       += -mlong-calls
 
+#
+# We explicitly add the endianness specifier if needed, this allows
+# to compile kernels with a toolchain for the other endianness. We
+# carefully avoid to add it redundantly because gcc 3.3/3.4 complains
+# when fed the toolchain default!
+#
+cflags-$(CONFIG_CPU_BIG_ENDIAN)                += $(shell $(CC) -dumpmachine |grep -q 'mips*el-linux*' && echo -EB)
+cflags-$(CONFIG_CPU_LITTLE_ENDIAN)     += $(shell $(CC) -dumpmachine |grep -q 'mips*el-linux*' || echo -EL)
+
 cflags-$(CONFIG_SB1XXX_CORELIS)        += -mno-sched-prolog -fno-omit-frame-pointer
 
 #