[FFmpeg-devel] [PATCH] examples/Makefile: give priority to pkg-config flags

Stefano Sabatini stefasab at gmail.com
Fri Aug 24 16:52:28 CEST 2012

In case CFLAGS/LDLIBS are already defined and conflicting with the
pkg-config flags, give priority to the latter since they are used to
detect compilation flags.

This should fix for example the case where there are many different
instances of a library, CFLAGS=-I/foo/include and pkg-config cflags say
 doc/examples/Makefile |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/doc/examples/Makefile b/doc/examples/Makefile
index 37bfb44..2c475cd 100644
--- a/doc/examples/Makefile
+++ b/doc/examples/Makefile
@@ -8,8 +8,8 @@ FFMPEG_LIBS=    libavdevice                        \
                 libavutil                          \
 CFLAGS += -Wall -O2 -g
-CFLAGS += $(shell pkg-config --cflags $(FFMPEG_LIBS))
-LDLIBS += $(shell pkg-config --libs $(FFMPEG_LIBS))
+CFLAGS := $(shell pkg-config --cflags $(FFMPEG_LIBS)) $(CFLAGS)
+LDLIBS := $(shell pkg-config --libs $(FFMPEG_LIBS)) $(LDLIBS)
 EXAMPLES=       decoding_encoding                  \
                 filtering_video                    \

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