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--- Makefile.orig 2016-12-31 16:31:37 UTC
+++ Makefile
@@ -1,10 +1,18 @@
PACKAGE = apngasm
-CC = gcc
-SRC_DIRS = . 7z zopfli
-CFLAGS = -Wall -pedantic -DFEATURE_7ZIP -DFEATURE_ZOPFLI
-CFLAGS_OPT = -O2
-CFLAGS_7Z = -Wno-sign-compare -Wno-reorder -Wno-maybe-uninitialized -Wno-parentheses
-LIBS = -lstdc++ -lm -lpng -lz
+CC ?= cc
+CXX ?= c++
+SRC_DIRS = . 7z
+CFLAGS += -Wall -pedantic -DFEATURE_7ZIP -DFEATURE_ZOPFLI
+CXXFLAGS += -Wall -pedantic -DFEATURE_7ZIP -DFEATURE_ZOPFLI
+CPPFLAGS += $(shell libpng-config --cflags)
+CFLAGS_7Z = -Wno-sign-compare -Wno-reorder -Wno-parentheses
+ifeq ($(strip $(STATIC)),)
+LIBS = $(shell libpng-config --ldflags)
+else
+SRC_DIRS += zopfli
+LIBS = $(shell libpng-config --static --ldflags)
+LDFLAGS += -static
+endif
INCUDE_DIRS := $(addprefix -I./, $(SRC_DIRS))
OBJ_DIRS := $(addprefix obj/, $(SRC_DIRS))
@@ -16,19 +24,19 @@ OBJECTS := $(OBJECTS:.cpp=.o)
all : $(PACKAGE)
$(PACKAGE) : objdirs $(OBJECTS)
- $(CC) -o $@ $(OBJECTS) -s $(LIBS)
+ $(CXX) -o $@ $(OBJECTS) $(LIBS) $(LDFLAGS)
objdirs :
mkdir -p $(OBJ_DIRS)
obj/%.o : %.cpp
- $(CC) -o $@ -c $< $(INCUDE_DIRS) $(CFLAGS) $(CFLAGS_OPT)
+ $(CXX) -o $@ -c $< $(INCUDE_DIRS) $(CXXFLAGS) $(CPPFLAGS)
obj/%.o : %.c
- $(CC) -o $@ -c $< $(INCUDE_DIRS) $(CFLAGS) $(CFLAGS_OPT)
+ $(CC) -o $@ -c $< $(INCUDE_DIRS) $(CFLAGS) $(CPPFLAGS)
obj/%.o : %.cc
- $(CC) -o $@ -c $< $(INCUDE_DIRS) $(CFLAGS) $(CFLAGS_OPT) $(CFLAGS_7Z)
+ $(CXX) -o $@ -c $< $(INCUDE_DIRS) $(CXXFLAGS) $(CPPFLAGS) $(CFLAGS_7Z)
.PHONY : clean
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