build both release and debug at the same time

oh wow
don't miss to run make clean before merging this, otherwise

rm build/*.[do]

diff --git a/.gitignore b/.gitignore
index efe752e41120b0681157fd411ac836037522a37b..e8f25c75e23b793ea16401b7e46891caf25cc567 100644 (file)
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
 *.swp
 *.swo
 blank
+blank.debug
 build

diff --git a/Makefile b/Makefile
index 0665d5c1cc140b581d568ab396d26f650e58d494..e44a8710e7fd5d19f0e51172632114b128dad588 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -13,39 +13,62 @@ CXXFLAGS += -Wall
 LDXXFLAGS ?=
 LDXXFLAGS += $(PKGLIBS)
 
-# debug
-CXXFLAGS += -g3 -O0
-
-# release
-#CPPFLAGS += -DNDEBUG
+DEBUG_FLAGS = -g3 -O0
+RELEASE_FLAGS = -DNDEBUG -O2
 
 SOURCE_DIR := src
-BUILD_DIR := build
+DEBUG_DIR := build/debug
+RELEASE_DIR := build/release
+DIR := $(RELEASE_DIR) $(DEBUG_DIR) build
 
-SRC = $(wildcard $(SOURCE_DIR)/*.cpp)
-OBJ = $(patsubst $(SOURCE_DIR)/%.cpp, $(BUILD_DIR)/%.o, $(SRC))
-DEP = $(OBJ:.o=.d)
-BIN = blank
+SRC := $(wildcard $(SOURCE_DIR)/*.cpp)
+RELEASE_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(RELEASE_DIR)/%.o, $(SRC))
+DEBUG_OBJ := $(patsubst $(SOURCE_DIR)/%.cpp, $(DEBUG_DIR)/%.o, $(SRC))
+RELEASE_DEP := $(RELEASE_OBJ:.o=.d)
+DEBUG_DEP := $(DEBUG_OBJ:.o=.d)
+RELEASE_BIN := blank
+DEBUG_BIN := blank.debug
+OBJ := $(RELEASE_OBJ) $(DEBUG_OBJ)
+DEP := $(RELEASE_DEP) $(DEBUG_DEP)
+BIN := $(RELEASE_BIN) $(DEBUG_BIN)
 
 all: $(BIN)
 
+release: $(RELEASE_BIN)
+
+debug: $(DEBUG_BIN)
+
+run: blank
+       ./blank
+
+gdb: blank.debug
+       gdb ./blank.debug
+
 clean:
-       rm -df $(OBJ) $(DEP) $(BUILD_DIR)
+       rm -df $(OBJ) $(DEP) $(DIR)
 
 distclean: clean
        rm -f $(BIN)
 
-.PHONY: all clean distclean
+.PHONY: all release debug run gdb clean distclean
 
 -include $(DEP)
 
-$(BIN): $(OBJ)
+$(RELEASE_BIN): $(RELEASE_OBJ)
        @echo link: $@
-       @$(LDXX) -o $@ $(CXXFLAGS) $(LDXXFLAGS) $^
+       @$(LDXX) -o $@ $(CXXFLAGS) $(LDXXFLAGS) $(RELEASE_FLAGS) $^
+
+$(DEBUG_BIN): $(DEBUG_OBJ)
+       @echo link: $@
+       @$(LDXX) -o $@ $(CXXFLAGS) $(LDXXFLAGS) $(DEBUG_FLAGS) $^
+
+$(RELEASE_DIR)/%.o: $(SOURCE_DIR)/%.cpp | $(RELEASE_DIR)
+       @echo compile: $@
+       @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(RELEASE_FLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
 
-$(BUILD_DIR)/%.o: $(SOURCE_DIR)/%.cpp | $(BUILD_DIR)
+$(DEBUG_DIR)/%.o: $(SOURCE_DIR)/%.cpp | $(DEBUG_DIR)
        @echo compile: $@
-       @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
+       @$(CXX) -c $(CPPFLAGS) $(CXXFLAGS) $(DEBUG_FLAGS) -o $@ -MMD -MP -MF"$(@:.o=.d)" -MT"$@" $<
 
-$(BUILD_DIR):
-       mkdir "$@"
+$(DIR):
+       @mkdir -p "$@"