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Subject: [PATCH] Support separation of SRCDIR and OBJDIR

Typical use of VPATH to locate the sources.

Upstream-Status: Pending

Signed-off-by: Christopher Larson <chris_larson@mentor.com>
Signed-off-by: Maxin B. John <maxin.john@intel.com>
---
 Makefile | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/Makefile b/Makefile
index 33aaf6a..9030796 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,9 @@
 MAKEFLAGS += --no-print-directory

+SRCDIR ?= $(dir $(lastword $(MAKEFILE_LIST)))
+OBJDIR ?= $(PWD)
+VPATH = $(SRCDIR)
+
 PREFIX ?= /usr
 SBINDIR ?= $(PREFIX)/sbin
 MANDIR ?= $(PREFIX)/share/man
@@ -103,11 +107,11 @@ VERSION_OBJS := $(filter-out version.o, $(OBJS))
 version.c: version.sh $(patsubst %.o,%.c,$(VERSION_OBJS)) nl80211.h iw.h Makefile \
 		$(wildcard .git/index .git/refs/tags)
 	@$(NQ) ' GEN ' $@
-	$(Q)./version.sh $@
+	$(Q)cd $(SRCDIR) && ./version.sh $(OBJDIR)/$@

 %.o: %.c iw.h nl80211.h
 	@$(NQ) ' CC  ' $@
-	$(Q)$(CC) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<
+	$(Q)$(CC) -I$(SRCDIR) $(CFLAGS) $(CPPFLAGS) -c -o $@ $<

 ifeq ($(IW_ANDROID_BUILD),)
 iw:	$(OBJS)
--
2.20.1 (Apple Git-117)