1 files changed, 48 insertions, 0 deletions
diff --git a/flif-use-build-flags.patch b/flif-use-build-flags.patch
new file mode 100644
index 000000000000..f4dc1331d357
--- /dev/null
+++ b/flif-use-build-flags.patch
@@ -0,0 +1,48 @@
+diff -Naurp a/src/Makefile b/src/Makefile
+--- a/src/Makefile	2017-04-28 15:46:54.000000000 +0000
++++ b/src/Makefile	2018-09-13 18:37:05.277277156 +0000
+@@ -1,6 +1,6 @@
+ PREFIX := $(DESTDIR)/usr/local
+-CXXFLAGS := $(shell pkg-config --cflags zlib libpng) -DLODEPNG_NO_COMPILE_PNG -DLODEPNG_NO_COMPILE_DISK
+-LDFLAGS := $(shell pkg-config --libs libpng)
++CXXFLAGS := $(CXXFLAGS) $(shell pkg-config --cflags zlib libpng) -DLODEPNG_NO_COMPILE_PNG -DLODEPNG_NO_COMPILE_DISK
++LDFLAGS := $(LDFLAGS) $(shell pkg-config --libs libpng)
+ 
+ OSNAME := $(shell uname -s)
+ SONAME = -soname
+@@ -14,7 +14,7 @@ ifeq ($(OSNAME),Darwin)
+ endif
+ 
+ # for running interface-test
+-export LD_LIBRARY_PATH=$(shell pwd):/usr/local/lib:$LD_LIBRARY_PATH
++export LD_LIBRARY_PATH := $(shell pwd):/usr/local/lib:$(LD_LIBRARY_PATH)
+ 
+ FILES_H := maniac/*.hpp maniac/*.cpp image/*.hpp transform/*.hpp flif-enc.hpp flif-dec.hpp common.hpp flif_config.h fileio.hpp io.hpp io.cpp config.h compiler-specific.hpp ../extern/lodepng.h
+ FILES_CPP := maniac/chance.cpp maniac/symbol.cpp image/crc32k.cpp image/image.cpp image/image-png.cpp image/image-pnm.cpp image/image-pam.cpp image/image-rggb.cpp image/image-metadata.cpp image/color_range.cpp transform/factory.cpp common.cpp flif-enc.cpp flif-dec.cpp io.cpp ../extern/lodepng.cpp
+@@ -36,7 +36,7 @@ endif
+ 
+ # Command-line FLIF encoding/decoding tool - LGPLv3
+ flif: $(FILES_H) $(FILES_CPP) flif.cpp
+-	$(CXX) -std=gnu++11 $(CXXFLAGS) $(OPTIMIZATIONS) -g0 -Wall $(FILES_CPP) flif.cpp $(LDFLAGS) -o flif
++	$(CXX) -std=gnu++11 $(CXXFLAGS) $(CPPFLAGS) $(OPTIMIZATIONS) -g0 -Wall $(FILES_CPP) flif.cpp $(LDFLAGS) -o flif
+ 
+ # Command-line FLIF decoding tool - Apache2 (not built by default)
+ dflif: $(FILES_H) $(FILES_CPP) flif.cpp
+@@ -50,7 +50,7 @@ libflif_dec$(LIBEXT): $(FILES_H) $(FILES
+ 
+ # Decoder + encoder library - LGPL
+ libflif$(LIBEXT): $(FILES_H) $(FILES_CPP) library/*.h library/*.hpp library/*.cpp
+-	$(CXX) -std=gnu++11 $(CXXFLAGS) $(LIB_OPTIMIZATIONS) -g0 -Wall -shared -fPIC $(FILES_CPP) library/flif-interface.cpp $(LDFLAGS) -Wl,$(SONAME),libflif$(LIBEXTV) -o libflif$(LIBEXTV)
++	$(CXX) -std=gnu++11  $(CPPFLAGS) $(CXXFLAGS) $(LIB_OPTIMIZATIONS) -g0 -Wall -shared -fPIC $(FILES_CPP) library/flif-interface.cpp $(LDFLAGS) -Wl,$(SONAME),libflif$(LIBEXTV) -o libflif$(LIBEXTV)
+ 	ln -sf libflif$(LIBEXTV) libflif$(LIBEXT)
+ 
+ libflif.dbg$(LIBEXT): $(FILES_H) $(FILES_CPP) library/*.h library/*.hpp library/*.cpp
+@@ -59,7 +59,7 @@ libflif.dbg$(LIBEXT): $(FILES_H) $(FILES
+ 
+ # Example application: simple FLIF viewer - public domain
+ viewflif: libflif$(LIBEXT) viewflif.c
+-	$(CC) -std=gnu11 -O3 -ggdb3 $(shell sdl2-config --cflags) -Wall -Ilibrary/ viewflif.c -L. -lflif $(shell sdl2-config --libs) -o viewflif
++	$(CC) -std=gnu11 $(CPPFLAGS) $(CXXFLAGS) $(LDFLAGS) -O3 -ggdb3 $(shell sdl2-config --cflags) -Wall -Ilibrary/ viewflif.c -L. -lflif $(shell sdl2-config --libs) -o viewflif
+ 
+ 
+ install: flif libflif$(LIBEXT)