[Devel] [PATCH] cr_tests: Use toolchain prefixes and variables in Makefiles

[Matt Helsley]

Signed-off-by: Matt Helsley <matthltc at us.ibm.com>
---
 Makefile         |    7 +++++++
 eventfd/Makefile |    4 ++--
 futex/module.mk  |    2 +-
 pty/Makefile     |    2 +-
 selinux/Makefile |    2 +-
 5 files changed, 12 insertions(+), 5 deletions(-)

diff --git a/Makefile b/Makefile
index e8eb048..f17a9be 100644
--- a/Makefile
+++ b/Makefile
@@ -23,6 +23,13 @@ override CFLAGS += -Wall
 
 all:
 
+# Prefix CC, AS, LD, AR for cross compilation
+CROSS_COMPILE ?=
+CC ?= $(CROSS_COMPILE)gcc
+LD ?= $(CROSS_COMPILE)ld
+AS ?= $(CROSS_COMPILE)as
+AR ?= $(CROSS_COMPILE)ar
+
 include $(addsuffix /module.mk,$(modules))
 
 progs += mysu
diff --git a/eventfd/Makefile b/eventfd/Makefile
index 82456e8..1bcd587 100644
--- a/eventfd/Makefile
+++ b/eventfd/Makefile
@@ -13,10 +13,10 @@ all: $(PROGS)
 	$(MAKE) -C ../libcrtest libcrtest.a
 
 libeptest.a: libeptest.o libeptest.h
-	ar cr libeptest.a libeptest.o
+	$(AR) cr libeptest.a libeptest.o
 
 $(PROGS): %: %.c $(LIBS)
-	gcc -Wall $(CFLAGS) -o $@ $< $(LIBS)
+	$(CC) -Wall $(CFLAGS) -o $@ $< $(LIBS)
 
 clean:
 	rm -f *.o libeptest.a $(PROGS)
diff --git a/futex/module.mk b/futex/module.mk
index 6ab0449..412216b 100644
--- a/futex/module.mk
+++ b/futex/module.mk
@@ -1,7 +1,7 @@
 local_dir := futex
 local_progs := $(addprefix $(local_dir)/,plain robust pi)
 
-MACHINE := $(shell gcc -dumpmachine)
+MACHINE := $(shell $(CC) -dumpmachine)
 ifeq ($(MACHINE:i386-%=i386),i386)
 ARCHOPTS := -march=i486
 endif
diff --git a/pty/Makefile b/pty/Makefile
index fe93a00..438f9bc 100644
--- a/pty/Makefile
+++ b/pty/Makefile
@@ -6,7 +6,7 @@ SLIBS = ../libcrtest/libcrtest.a
 LIBCMD = -I../libcrtest -L../libcrtest $(SLIBS)
 
 ptyloop: ptyloop.c ../clone.h $(SLIBS)
-	gcc -o ptyloop ptyloop.c $(LIBCMD)
+	$(CC) -o ptyloop ptyloop.c $(LIBCMD)
 
 clean:
 	rm -f $(targets) out* ckpt-out read-ok read-bad
diff --git a/selinux/Makefile b/selinux/Makefile
index 2ae8d96..f96384d 100644
--- a/selinux/Makefile
+++ b/selinux/Makefile
@@ -3,7 +3,7 @@ targets = ckpt wrap
 all: $(targets)
 
 ckpt: ckpt.c ../cr.h
-	gcc -o ckpt ckpt.c
+	$(CC) -o ckpt ckpt.c
 
 clean:
 	rm -rf $(targets) out context cr-test.out cr-test-module restart wrap
-- 
1.6.3.3

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