opencv_trail_effect.cpp: fix showing the background

[experiments/opencv_trail_effect.git] / Makefile

diff --git a/Makefile b/Makefile
index 66355e0..4e316b9 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -23,11 +23,17 @@ 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 ($(COMPILER), clang)
+  LDFLAGS += -Qunused-arguments
+endif
+
 CXXFLAGS += $(shell pkg-config --cflags opencv)
 LDLIBS += $(shell pkg-config --libs opencv)