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authorSage Weil <sage@inktank.com>2013-08-15 22:11:45 +0400
committerSage Weil <sage@inktank.com>2013-08-15 22:11:45 +0400
commitee3e542fec6e69bc9fb668698889a37d93950ddf (patch)
treee74ee766a4764769ef1d3d45d266b4dea64101d3 /tools/lib
parentfe2a801b50c0bb8039d627e5ae1fec249d10ff39 (diff)
parentf1d6e17f540af37bb1891480143669ba7636c4cf (diff)
downloadlinux-ee3e542fec6e69bc9fb668698889a37d93950ddf.tar.xz
Merge remote-tracking branch 'linus/master' into testing
Diffstat (limited to 'tools/lib')
-rw-r--r--tools/lib/lk/Makefile20
1 files changed, 19 insertions, 1 deletions
diff --git a/tools/lib/lk/Makefile b/tools/lib/lk/Makefile
index 926cbf3efc7f..280dd8205430 100644
--- a/tools/lib/lk/Makefile
+++ b/tools/lib/lk/Makefile
@@ -1,5 +1,23 @@
include ../../scripts/Makefile.include
+CC = $(CROSS_COMPILE)gcc
+AR = $(CROSS_COMPILE)ar
+
+# Makefiles suck: This macro sets a default value of $(2) for the
+# variable named by $(1), unless the variable has been set by
+# environment or command line. This is necessary for CC and AR
+# because make sets default values, so the simpler ?= approach
+# won't work as expected.
+define allow-override
+ $(if $(or $(findstring environment,$(origin $(1))),\
+ $(findstring command line,$(origin $(1)))),,\
+ $(eval $(1) = $(2)))
+endef
+
+# Allow setting CC and AR, or setting CROSS_COMPILE as a prefix.
+$(call allow-override,CC,$(CROSS_COMPILE)gcc)
+$(call allow-override,AR,$(CROSS_COMPILE)ar)
+
# guard against environment variables
LIB_H=
LIB_OBJS=
@@ -11,7 +29,7 @@ LIB_OBJS += $(OUTPUT)debugfs.o
LIBFILE = liblk.a
CFLAGS = -ggdb3 -Wall -Wextra -std=gnu99 -Werror -O6 -D_FORTIFY_SOURCE=2 $(EXTRA_WARNINGS) $(EXTRA_CFLAGS) -fPIC
-EXTLIBS = -lpthread -lrt -lelf -lm
+EXTLIBS = -lelf -lpthread -lrt -lm
ALL_CFLAGS = $(CFLAGS) $(BASIC_CFLAGS) -D_LARGEFILE64_SOURCE -D_FILE_OFFSET_BITS=64
ALL_LDFLAGS = $(LDFLAGS)