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[patch, sim] Fix simulator Makefile

I am trying to build a complete 32 bit toolchain, including the simulator,
 on an x86-64 Linux box by setting CFLAGS and CXXFLAGS to '-O2 -g -m32'.
I ran into a problem when building the simulator because in the igen
subdirectory make is using -m32 when compiling the objects that go into igen
but not on the link line.

I tried setting LDFLAGS to -m32 but that did not help.  I noticed that a
number of other targets in that Makefile (that no longer appear to be used)
use $(BUILD_CFLAGS) as well as $(BUILD_LDFLAGS) when linking.  Making that
change when building igen fixed the problem.

This may be considered an obvious fix, but I thought I would send it out
first anyway just to double check.

OK to checkin?

Steve Ellcey

2013-11-22  Steve Ellcey  <>

	* igen/ (igen): Use BUILD_CFLAGS in link.

diff --git a/sim/igen/ b/sim/igen/
index 7b2375c..8f6a42c 100644
--- a/sim/igen/
+++ b/sim/igen/
@@ -117,7 +117,7 @@ IGEN_OBJS=\
 igen: igen.o $(IGEN_OBJS)
 igen.o: igen.c misc.h filter_host.h lf.h table.h ld-decode.h ld-cache.h ld-insn.h filter.h gen-model.h gen-itable.h gen-icache.h gen-idecode.h gen-engine.h gen-semantics.h gen-support.h gen.h igen.h 
 	$(CC_FOR_BUILD) $(BUILD_CFLAGS) -c $(srcdir)/igen.c

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