X-Git-Url: https://git.saurik.com/redis.git/blobdiff_plain/95bc195158d2d9951a8534a993182399f2bb49b8..bec200ec399690fb7203257732cd2a6b47bdb962:/src/Makefile

diff --git a/src/Makefile b/src/Makefile
index b3ada6ff..f6432278 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -17,25 +17,11 @@ uname_S := $(shell sh -c 'uname -s 2>/dev/null || echo not')
 OPTIMIZATION?=-O2
 DEPENDENCY_TARGETS=hiredis linenoise lua
 
+# Default settings
 STD= -std=c99 -pedantic
 WARN= -Wall
 OPT= $(OPTIMIZATION)
 
-ifeq ($(uname_S),SunOS)
-  FINAL_CFLAGS= $(STD) $(WARN) $(OPT) $(DEBUG) $(CFLAGS) $(REDIS_CFLAGS) -D__EXTENSIONS__ -D_XPG6
-  FINAL_LDFLAGS= $(LDFLAGS) $(REDIS_LDFLAGS)
-  FINAL_LIBS= $(LIBS) -ldl -lnsl -lsocket -lm -lpthread
-  DEBUG= -g -ggdb
-else
-  FINAL_CFLAGS= $(STD) $(WARN) $(OPT) $(DEBUG) $(CFLAGS) $(REDIS_CFLAGS)
-  FINAL_LDFLAGS= $(LDFLAGS) $(REDIS_LDFLAGS)
-  FINAL_LIBS= $(LIBS) -lm -pthread
-  DEBUG= -g -rdynamic -ggdb
-endif
-
-# Include paths to dependencies
-FINAL_CFLAGS+= -I../deps/hiredis -I../deps/linenoise -I../deps/lua/src
-
 # Default allocator
 ifeq ($(uname_S),Linux)
   MALLOC=jemalloc
@@ -56,6 +42,24 @@ ifeq ($(USE_JEMALLOC),yes)
   MALLOC=jemalloc
 endif
 
+# Override default settings if possible
+-include .make-settings
+
+ifeq ($(uname_S),SunOS)
+  FINAL_CFLAGS= $(STD) $(WARN) $(OPT) $(DEBUG) $(CFLAGS) $(REDIS_CFLAGS) -D__EXTENSIONS__ -D_XPG6
+  FINAL_LDFLAGS= $(LDFLAGS) $(REDIS_LDFLAGS)
+  FINAL_LIBS= -ldl -lnsl -lsocket -lm -lpthread
+  DEBUG= -g -ggdb
+else
+  FINAL_CFLAGS= $(STD) $(WARN) $(OPT) $(DEBUG) $(CFLAGS) $(REDIS_CFLAGS)
+  FINAL_LDFLAGS= $(LDFLAGS) $(REDIS_LDFLAGS)
+  FINAL_LIBS= -lm -pthread
+  DEBUG= -g -rdynamic -ggdb
+endif
+
+# Include paths to dependencies
+FINAL_CFLAGS+= -I../deps/hiredis -I../deps/linenoise -I../deps/lua/src
+
 ifeq ($(MALLOC),tcmalloc)
   FINAL_CFLAGS+= -DUSE_TCMALLOC
   FINAL_LIBS+= -ltcmalloc
@@ -117,30 +121,32 @@ dep:
 
 .PHONY: dep
 
+persist-settings: distclean
+	echo STD=$(STD) >> .make-settings
+	echo WARN=$(WARN) >> .make-settings
+	echo OPT=$(OPT) >> .make-settings
+	echo MALLOC=$(MALLOC) >> .make-settings
+	echo CFLAGS=$(CFLAGS) >> .make-settings
+	echo LDFLAGS=$(LDFLAGS) >> .make-settings
+	echo REDIS_CFLAGS=$(REDIS_CFLAGS) >> .make-settings
+	echo REDIS_LDFLAGS=$(REDIS_LDFLAGS) >> .make-settings
+	echo PREV_FINAL_CFLAGS=$(FINAL_CFLAGS) >> .make-settings
+	echo PREV_FINAL_LDFLAGS=$(FINAL_LDFLAGS) >> .make-settings
+	-(cd ../deps && $(MAKE) $(DEPENDENCY_TARGETS))
+
+.PHONY: persist-settings
+
 # Prerequisites target
 .make-prerequisites:
 	@touch $@
 
-# Clean local objects and build dependencies when FINAL_CFLAGS is different
-ifneq ($(shell sh -c '[ -f .make-cflags ] && cat .make-cflags || echo none'), $(FINAL_CFLAGS))
-.make-cflags: clean
-	-(cd ../deps && $(MAKE) $(DEPENDENCY_TARGETS))
-	-(echo "$(FINAL_CFLAGS)" > .make-cflags)
-.make-prerequisites: .make-cflags
-endif
-
-# Clean local objects when FINAL_LDFLAGS is different
-ifneq ($(shell sh -c '[ -f .make-ldflags ] && cat .make-ldflags || echo none'), $(FINAL_LDFLAGS))
-.make-ldflags: clean
-	-(echo "$(FINAL_LDFLAGS)" > .make-ldflags)
-.make-prerequisites: .make-ldflags
+# Clean everything, persist settings and build dependencies if anything changed
+ifneq ($(strip $(PREV_FINAL_CFLAGS)), $(strip $(FINAL_CFLAGS)))
+.make-prerequisites: persist-settings
 endif
 
-# Clean local objects when MALLOC is different
-ifneq ($(shell sh -c '[ -f .make-malloc ] && cat .make-malloc || echo none'), $(MALLOC))
-.make-malloc: clean
-	-(echo "$(MALLOC)" > .make-malloc)
-.make-prerequisites: .make-malloc
+ifneq ($(strip $(PREV_FINAL_LDFLAGS)), $(strip $(FINAL_LDFLAGS)))
+.make-prerequisites: persist-settings
 endif
 
 # redis-server
@@ -198,7 +204,7 @@ bench: $(REDIS_BENCHMARK_NAME)
 	@echo ""
 	@echo "WARNING: if it fails under Linux you probably need to install libc6-dev-i386"
 	@echo ""
-	$(MAKE) CFLAGS="$(CFLAGS) -m32" LDFLAGS="$(LDFLAGS) -m32"
+	$(MAKE) CFLAGS="-m32" LDFLAGS="-m32"
 
 gcov:
 	$(MAKE) REDIS_CFLAGS="-fprofile-arcs -ftest-coverage -DCOVERAGE_TEST" REDIS_LDFLAGS="-fprofile-arcs -ftest-coverage"