[FFmpeg-cvslog] build: Make API documentation depend on config.mak

[Timothy Gu]

ffmpeg | branch: master | Timothy Gu <timothygu99 at gmail.com> | Fri Jul 29 18:57:49 2016 -0700| [fbe22355b7d44ab02fa2c7ed059c03e606970009] | committer: Timothy Gu

build: Make API documentation depend on config.mak

The Doxygen command is generated from the list of installed headers,
which may change per configuration (e.g. `--enable-gpl` results in
libpostproc to be built and installed).

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=fbe22355b7d44ab02fa2c7ed059c03e606970009
---

 doc/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/doc/Makefile b/doc/Makefile
index 4a77aac..c90cb1a 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -125,7 +125,7 @@ $(DOC_EXAMPLES:%$(EXESUF)=%.o): | doc/examples
 OBJDIRS += doc/examples
 
 DOXY_INPUT      = $(INSTHEADERS) $(DOC_EXAMPLES:%$(EXESUF)=%.c) $(LIB_EXAMPLES:%$(EXESUF)=%.c)
-DOXY_INPUT_DEPS = $(addprefix $(SRC_PATH)/, $(DOXY_INPUT))
+DOXY_INPUT_DEPS = $(addprefix $(SRC_PATH)/, $(DOXY_INPUT)) config.mak
 
 doc/doxy/html: TAG = DOXY
 doc/doxy/html: $(SRC_PATH)/doc/Doxyfile $(SRC_PATH)/doc/doxy-wrapper.sh $(DOXY_INPUT_DEPS)