[PATCH] Enable compiling with --as-needed

Hi!

There is a patch needed to compile/link mjpegtools with 
LDFLAGS="-Wl,-O1,--as-needed"

Else linking will fail like this:

Creating yuvplay
i686-pc-linux-gnu-gcc -DHAVE_CONFIG_H -I. -I..  -I.. -I/usr/include -I../utils    -O2 -march=athlon-xp -fomit-frame-pointer -pipe -fno-strict-aliasing -pthread -Wall -Wunused -MT 
lavrec.o -MD -MP -MF .deps/lavrec.Tpo -c -o lavrec.o lavrec.c
mv -f .deps/lavrec.Tpo .deps/lavrec.Po
/bin/sh ../libtool --tag=CC   --mode=link 
i686-pc-linux-gnu-gcc  -O2 -march=athlon-xp -fomit-frame-pointer -pipe -fno-strict-aliasing -pthread -Wall -Wunused  -Wl,-O1,--as-needed -o 
lavrec lavrec.o ../utils/libmjpegutils.la  liblavrec.la liblavfile.la 
liblavjpeg.la  -lm
i686-pc-linux-gnu-gcc -O2 -march=athlon-xp -fomit-frame-pointer -pipe -fno-strict-aliasing -pthread -Wall -Wunused -Wl,-O1 -Wl,--as-needed -o .libs/lavrec 
lavrec.o  ../utils/.libs/libmjpegutils.so ./.libs/liblavrec.so ./.libs/liblavfile.so ./.libs/liblavjpeg.so /usr/lib/libjpeg.so /var/tmp/portage/media-video/mjpegtools-1.9.0_rc1/work/mjpegtools-1.9.0rc1/utils/.libs/libmjpegutils.so -lm
./.libs/liblavrec.so: undefined reference to `lav_fileno'
./.libs/liblavrec.so: undefined reference to `lav_query_polarity'
./.libs/liblavrec.so: undefined reference to `lav_strerror'
./.libs/liblavrec.so: undefined reference to `lav_query_APP_marker'
./.libs/liblavrec.so: undefined reference to `lav_write_audio'
./.libs/liblavrec.so: undefined reference to `lav_query_APP_length'
./.libs/liblavrec.so: undefined reference to `lav_open_output_file'
./.libs/liblavrec.so: undefined reference to `encode_jpeg_raw'
./.libs/liblavrec.so: undefined reference to `lav_close'
./.libs/liblavrec.so: undefined reference to `lav_write_frame'
collect2: ld returned 1 exit status
make[2]: *** [lavrec] Error 1
make[2]: Leaving directory 
`/var/tmp/portage/media-video/mjpegtools-1.9.0_rc1/work/mjpegtools-1.9.0rc1/lavtools'
make[1]: *** [all-recursive] Error 1
make[1]: Leaving directory 
`/var/tmp/portage/media-video/mjpegtools-1.9.0_rc1/work/mjpegtools-1.9.0rc1'
make: *** [all] Error 2


Matthias

--
Matthias Schwarzott (zzam)

-------------------------------------------------------------------------
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT & business topics through brief surveys-and earn cash
http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV

_______________________________________________
Mjpeg-developer mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/mjpeg-developer

diff -ru mjpegtools-1.8.0-orig/lavtools/Makefile.am mjpegtools-1.8.0/lavtools/Makefile.am
--- mjpegtools-1.8.0-orig/lavtools/Makefile.am	2006-08-25 15:09:51.542109878 +0200
+++ mjpegtools-1.8.0/lavtools/Makefile.am	2006-08-25 15:11:37.920337695 +0200
@@ -51,10 +51,17 @@
 liblavrec_la_SOURCES = liblavrec.c audiolib.c frequencies.c
 liblavrec_la_CPPFLAGS = $(AM_CPPFLAGS) # so automake doesn't complain about audiolib & frequencies
 liblavrec_la_LDFLAGS = $(LAV_ALL_LIB_OPTS)
+liblavrec_la_LIBADD = -llavfile -llavjpeg
+liblavrec_la_DEPENDENCIES = liblavfile.la liblavjpeg.la
 
 liblavplay_la_SOURCES = liblavplay.c audiolib.c
 liblavplay_la_CPPFLAGS = $(AM_CPPFLAGS) $(LIBDV_CFLAGS) $(X_CFLAGS)
 liblavplay_la_LDFLAGS = $(LAV_ALL_LIB_OPTS)
+liblavplay_la_LIBADD = -llavfile $(SDL_LIBS) -llavjpeg
+liblavplay_la_DEPENDENCIES = liblavfile.la liblavjpeg.la
+if HAVE_X
+  liblavplay_la_LIBADD += $(X_LIBS) -lX11
+endif
 
 # *********************************************************************
 # The tools themselves