Currently we set CC unconditionally to ${CROSS_COMPILE}gcc, the same
for LD.
Allow people to override the compiler name by specifying it explicitly
on the command line or via the environment.
Beside calling a certain compiler binary this allows to pass in
options to the compiler, which lets us get rid of the PowerPC
overrides in the Makefile. Possible uses:
$ make CC="gcc -m64" LD="ld -melf64ppc"
(build kvmtool on a PowerPC toolchain defaulting to 32-bit)
$ make CC="gcc -m32" LD="ld -melf_i386"
(build a 32-bit binary on a multilib-enabled x86-64 compiler)
Signed-off-by: Andre Przywara <andre.przywara@xxxxxxx>
---
Makefile | 10 ++++++----
1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/Makefile b/Makefile
index 6110b8e..888bee5 100644
--- a/Makefile
+++ b/Makefile
@@ -14,9 +14,13 @@ export E Q
include config/utilities.mak
include config/feature-tests.mak
-CC := $(CROSS_COMPILE)gcc
+ifeq ($(origin CC), default)
+ CC := $(CROSS_COMPILE)gcc
+endif
CFLAGS :=
-LD := $(CROSS_COMPILE)ld
+ifeq ($(origin LD), default)
+ LD := $(CROSS_COMPILE)ld
+endif
LDFLAGS :=
FIND := find
@@ -148,8 +152,6 @@ ifeq ($(ARCH), powerpc)
OBJS += powerpc/spapr_pci.o
OBJS += powerpc/xics.o
ARCH_INCLUDE := powerpc/include
- CFLAGS += -m64
- LDFLAGS += -m elf64ppc
ARCH_WANT_LIBFDT := y
endif
--
2.3.5
--
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