(mgp-users 00288) Re: MagicPoint 1.07a

[Yoshifumi Nishida <nishida@sfc.wide.ad.jp>]

Hi,

>>>>> On Fri, 24 Mar 2000 22:08:20 +0900, Lionel Cons <lionel.cons@cern.ch> said:
 >> We tried to compile it on several UNIXes and got various problems, the
 >> main one being that MagicPoint now requires a more recent version of
 >> libpng. We'll upgrade soon.

 >> However, there is a big problem with configure. Running
 >> 	./configure
 >> we get mgp working but no GIF support. Maybe you should document the
 >> new --enable-gif option...

Sorry about lack of documentation. 
if you have older version than libpng-1.0.5, you have to upgrade.
and I believe the following patch will solve giflib problem.
--						
Yoshifumi Nishida
nishida@wide.ad.jp


*** configure.orig	Sat Mar 25 03:40:57 2000
--- configure	Sat Mar 25 03:41:54 2000
***************
*** 1804,1810 ****
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    gif_ok=yes
! 		LIBS="$LIBS -lungif"
  		cat >> confdefs.h <<\EOF
  #define USE_GIF 1
  EOF
--- 1804,1810 ----
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    gif_ok=yes
! 		GIFLIB="-lungif"
  		cat >> confdefs.h <<\EOF
  #define USE_GIF 1
  EOF
***************
*** 1847,1853 ****
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    gif_ok=yes
! 		LIBS="$LIBS -lgif"
  		cat >> confdefs.h <<\EOF
  #define USE_GIF 1
  EOF
--- 1847,1853 ----
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    gif_ok=yes
! 		GIFLIB="-lgif"
  		cat >> confdefs.h <<\EOF
  #define USE_GIF 1
  EOF
***************
*** 1890,1896 ****
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    gif_ok=yes
! 		LIBS="$LIBS -lungif"
  		cat >> confdefs.h <<\EOF
  #define USE_GIF 1
  EOF
--- 1890,1896 ----
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    gif_ok=yes
! 		GIFLIB="-lungif"
  		cat >> confdefs.h <<\EOF
  #define USE_GIF 1
  EOF
***************
*** 1933,1939 ****
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    gif_ok=yes
! 		LIBS="$LIBS -lgif"
  		cat >> confdefs.h <<\EOF
  #define USE_GIF 1
  EOF
--- 1933,1939 ----
  if eval "test \"`echo '$ac_cv_lib_'$ac_lib_var`\" = yes"; then
    echo "$ac_t""yes" 1>&6
    gif_ok=yes
! 		GIFLIB="-lgif"
  		cat >> confdefs.h <<\EOF
  #define USE_GIF 1
  EOF
***************
*** 2624,2629 ****
--- 2624,2633 ----
  done
  
  
+ 
+ if test -n "$GIFLIB"; then
+ 	LIBS="$LIBS $GIFLIB"
+ fi
  
  mgp_keywords=`$mgp_cv_path_perl $srcdir/keywords.pl $srcdir/globals.c`
  
*** configure.in.orig	Sat Mar 25 03:40:58 2000
--- configure.in	Sat Mar 25 03:42:01 2000
***************
*** 256,274 ****
  if test $mgp_gif = "yes"; then
  	AC_CHECK_LIB(ungif, DGifOpenFileHandle,
  		[gif_ok=yes
! 		LIBS="$LIBS -lungif"
  		AC_DEFINE(USE_GIF)],
  	[AC_CHECK_LIB(gif, DGifOpenFileHandle,
  		[gif_ok=yes
! 		LIBS="$LIBS -lgif"
  		AC_DEFINE(USE_GIF)],
  	[AC_CHECK_LIB(ungif, DGifOpenFileName,
  		[gif_ok=yes
! 		LIBS="$LIBS -lungif"
  		AC_DEFINE(USE_GIF)],
  	[AC_CHECK_LIB(gif, DGifOpenFilename,
  		[gif_ok=yes
! 		LIBS="$LIBS -lgif"
  		AC_DEFINE(USE_GIF)], 
  		[], [-L$x_libraries -lX11])], [-L$x_libraries -lX11])])])
  	if test "x$gif_ok" != "xyes"; then
--- 256,274 ----
  if test $mgp_gif = "yes"; then
  	AC_CHECK_LIB(ungif, DGifOpenFileHandle,
  		[gif_ok=yes
! 		GIFLIB="-lungif"
  		AC_DEFINE(USE_GIF)],
  	[AC_CHECK_LIB(gif, DGifOpenFileHandle,
  		[gif_ok=yes
! 		GIFLIB="-lgif"
  		AC_DEFINE(USE_GIF)],
  	[AC_CHECK_LIB(ungif, DGifOpenFileName,
  		[gif_ok=yes
! 		GIFLIB="-lungif"
  		AC_DEFINE(USE_GIF)],
  	[AC_CHECK_LIB(gif, DGifOpenFilename,
  		[gif_ok=yes
! 		GIFLIB="-lgif"
  		AC_DEFINE(USE_GIF)], 
  		[], [-L$x_libraries -lX11])], [-L$x_libraries -lX11])])])
  	if test "x$gif_ok" != "xyes"; then
***************
*** 306,311 ****
--- 306,316 ----
  AC_TYPE_SIGNAL
  AC_CHECK_FUNCS(poll strstr _setbufend)
  AC_REPLACE_FUNCS(usleep strsep strdup mkstemp snprintf memcmp)
+ 
+ dnl add GIFLIB to LIBS
+ if test -n "$GIFLIB"; then
+ 	LIBS="$LIBS $GIFLIB"
+ fi
  
  dnl keyword substitution.
  mgp_keywords=`$mgp_cv_path_perl $srcdir/keywords.pl $srcdir/globals.c`