man page installation support

Originally committed as revision 2145 to svn://svn.ffmpeg.org/ffmpeg/trunk

Makefile

@@ -111,12 +111,20 @@ ffplay.o: ffplay.c
 videohook: .libs
 	$(MAKE) -C vhook all
 
-install: all $(INSTALLVHOOK)
+install: all install-man $(INSTALLVHOOK)
 	$(MAKE) -C libavcodec install
 	$(MAKE) -C libavformat install
 	install -d $(prefix)/bin
 	install -c -s -m 755 $(PROG) $(prefix)/bin
 
+# install man from source dir if available
+install-man:
+	if [ -f $(SRC_PATH)/doc/ffmpeg.1 ] ; then \
+	    install -d $(mandir)/man1 ; \
+	    install -m 644 $(SRC_PATH)/doc/ffmpeg.1 $(SRC_PATH)/doc/ffplay.1 \
+                           $(SRC_PATH)/doc/ffserver.1 $(mandir)/man1 ; \
+	fi
+
 install-vhook: $(prefix)/lib/vhook
 	$(MAKE) -C vhook install INSTDIR=$(prefix)/lib/vhook
 

configure

@@ -19,6 +19,7 @@ TMPH="${TMPDIR1}/ffmpeg-conf-${RANDOM}-$$-${RANDOM}.h"
 
 # default parameters
 prefix="/usr/local"
+mandir=""
 cross_prefix=""
 cc="gcc"
 ar="ar"
@@ -264,6 +265,8 @@ for opt do
   case "$opt" in
   --prefix=*) prefix=`echo $opt | cut -d '=' -f 2`
   ;;
+  --mandir=*) mandir=`echo $opt | cut -d '=' -f 2`
+  ;;
   --source-path=*) source_path=`echo $opt | cut -d '=' -f 2`
   ;;
   --cross-prefix=*) cross_prefix=`echo $opt | cut -d '=' -f 2`
@@ -722,6 +725,10 @@ if test "$small" = "yes"; then
   CFLAGS="$CFLAGS -Os"
 fi
 
+if test x"$mandir" = x""; then
+mandir="${prefix}/man"
+fi
+
 if test x"$1" = x"-h" -o x"$1" = x"--help" ; then
 cat << EOF
 
@@ -732,6 +739,7 @@ EOF
 echo "Standard options:"
 echo "  --help                   print this message"
 echo "  --prefix=PREFIX          install in PREFIX [$prefix]"
+echo "  --mandir=DIR             man documentation in DIR [PREFIX/man]"
 echo "  --enable-mp3lame         enable mp3 encoding via libmp3lame [default=no]"
 echo "  --enable-vorbis          enable vorbis support via libvorbisenc [default=no]"
 echo "  --enable-faad            enable faad support via libfaad [default=no]"
@@ -827,6 +835,7 @@ echo "# Automatically generated by configure - do not modify" > config.mak
 echo "/* Automatically generated by configure - do not modify */" > $TMPH
 
 echo "prefix=$prefix" >> config.mak
+echo "mandir=$mandir" >> config.mak
 echo "MAKE=$make" >> config.mak
 echo "CC=$cc" >> config.mak
 echo "AR=$ar" >> config.mak