[PATCH] detect if host cc accepts -malign-double
- From: Tony Theodore <tony.theodore@xxxxxxxxx>
- To: luajit@xxxxxxxxxxxxx
- Date: Mon, 6 Oct 2014 00:23:12 +1100
Hi,
When cross-compiling for Windows on OSX, `gcc` is an alias for `clang` and
doesn’t accept the `-malign-double` argument. The patch below fixes this.
Cheers,
Tony
diff --git a/src/Makefile b/src/Makefile
index 9551781..682260e 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -167,6 +167,7 @@ CCOPTIONS= $(CCDEBUG) $(CCOPT) $(CCWARN) $(XCFLAGS)
$(CFLAGS)
LDOPTIONS= $(CCDEBUG) $(LDFLAGS)
HOST_CC= $(CC)
+HOST_CC_MALIGN_DOUBLE= $(shell $(HOST_CC) -malign-double -v > /dev/null 2>&1
&& echo -malign-double)
HOST_RM= rm -f
# If left blank, minilua is built and used. You can supply an installed
# copy of (plain) Lua 5.1 or 5.2, plus Lua BitOp. E.g. with: HOST_LUA=lua
@@ -333,7 +334,7 @@ endif
ifneq ($(HOST_SYS),$(TARGET_SYS))
ifeq (Windows,$(TARGET_SYS))
- HOST_XCFLAGS+= -malign-double -DLUAJIT_OS=LUAJIT_OS_WINDOWS
+ HOST_XCFLAGS+= $(HOST_CC_MALIGN_DOUBLE) -DLUAJIT_OS=LUAJIT_OS_WINDOWS
else
ifeq (Linux,$(TARGET_SYS))
HOST_XCFLAGS+= -DLUAJIT_OS=LUAJIT_OS_LINUX
--
1.9.3
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- » [PATCH] detect if host cc accepts -malign-double - Tony Theodore
