Makefile: ignore warnings in OpenCV headers

[experiments/opencv_trail_effect.git] / Makefile

diff --git a/Makefile b/Makefile
index 6bb3c15..bd0d850 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,4 +1,4 @@
-CXXFLAGS = -ansi -pedantic -pedantic-errors -Wall -g3 -O2 -D_ANSI_SOURCE_
+CXXFLAGS = -std=c++11 -pedantic -pedantic-errors -Wall -g3 -O2 -D_ANSI_SOURCE_
 CXXFLAGS += -fno-common \
            -fvisibility=hidden \
            -Wall \
@@ -23,17 +23,19 @@ CXXFLAGS += -fno-common \
            -fstack-protector \
            --param=ssp-buffer-size=4
 
-ifneq ($(CXX),clang++)
+COMPILER = $(shell $(CXX) -v 2>&1 | grep -q "clang version" && echo clang || echo gcc)
+
+ifeq ($(COMPILER), gcc)
   CXXFLAGS += -Wunsafe-loop-optimizations \
              -Wunused-but-set-variable
 endif
 
-ifeq ($(CXX),clang++)
+ifeq ($(COMPILER), clang)
   LDFLAGS += -Qunused-arguments
 endif
 
-CXXFLAGS += $(shell pkg-config --cflags opencv)
-LDLIBS += $(shell pkg-config --libs opencv)
+CXXFLAGS += $(shell pkg-config --cflags opencv4 | sed -e 's/-I/-isystem/g')
+LDLIBS += $(shell pkg-config --libs opencv4)
 
 LINK.o = $(LINK.cpp)
 opencv_trail_effect: