From: Antonio Ospite Date: Thu, 22 Oct 2015 09:06:31 +0000 (+0200) Subject: Makefile: fix warnings when compiling with clang++ X-Git-Url: https://git.ao2.it/experiments/opencv_trail_effect.git/commitdiff_plain/a089660fff6dca996af8fcf584f58864446d746a?hp=125a069284c63b999824fc708869e137f84476bc Makefile: fix warnings when compiling with clang++ Clang does not support some options and gives warnings: warning: unknown warning option '-Wunsafe-loop-optimizations'; warning: unknown warning option '-Wunused-but-set-variable'; So add them only when the compiler is not clang. --- diff --git a/Makefile b/Makefile index a008ba9..66355e0 100644 --- a/Makefile +++ b/Makefile @@ -18,13 +18,16 @@ CXXFLAGS += -fno-common \ -Wswitch-enum \ -Wundef \ -Wunreachable-code \ - -Wunsafe-loop-optimizations \ - -Wunused-but-set-variable \ -Wwrite-strings \ -Wp,-D_FORTIFY_SOURCE=2 \ -fstack-protector \ --param=ssp-buffer-size=4 +ifneq ($(CXX),clang++) + CXXFLAGS += -Wunsafe-loop-optimizations \ + -Wunused-but-set-variable +endif + CXXFLAGS += $(shell pkg-config --cflags opencv) LDLIBS += $(shell pkg-config --libs opencv)