[Fink-devel] Fwd: [Fink-users] AM_PATH_GTKGL trouble

Chris Zubrzycki Tue, 01 Apr 2003 18:35:39 -0800

forwarded from fink-users:

Begin forwarded message:

From: Jonathan Brandmeyer <[EMAIL PROTECTED]>
Date: Tue Apr 1, 2003  7:16:57  PM US/Eastern
To: [EMAIL PROTECTED]
Subject: [Fink-users] AM_PATH_GTKGL trouble

I am a developer for a python extension module project.  We are trying
to support OSX using fink, due to its support for gtkglarea.  We are
using a slightly modified version of the autoconf macro 'AM_PATH_GTKGL'
(its contents are appended to this message).  The test fails with these
linker errors:
"_glPointParameterf referenced from libGL expected to be defined in
OpenGL
_glPointParameterfv referenced from libGL expected to be defined in
OpenGL"

Our test system is configured with:
OS 10.2,
Fink stable
Apple X11 0.3 with SDK
Apple's Python distro
Developer tools dated June 2002.
The following fink packages (with automatic dependancies):
        automake
        autoconf
        gtkglarea

We attempted to build gtkglarea from its source package and recieved the same errors during a related check.

Thanks for your assistance,
Jonathan Brandmeyer

The content of the test macro follows.  I have added comments in all
caps, prefixed with ##.

---------------------------------------------------------------------
# configure paths for GtkGLArea
# Janne Lof 1999-17-2
# AM_PATH_GTKGL([ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]])
AC_DEFUN(AM_PATH_GTKGL,
[
AC_PROVIDE([AM_PATH_GTKGL])

AC_ARG_WITH(gl-prefix, [ --with-gl-prefix=PFX Prefix where OpenGL or Mesa is installed], gl_prefix="$withval", gl_prefix="")

AC_ARG_WITH(gtkgl-prefix, [  --with-gtkgl-prefix=PFX Prefix where
GtkGLArea is installed],
 gtkgl_prefix="$withval",
 gtkgl_prefix="")

# tests for OpenGL
if test x$gl_prefix != x ; then
 GL_CFLAGS="-I$gl_prefix/include"
 GL_LDOPTS="-L$gl_prefix/lib"
else
 GL_CFLAGS=""
 GL_LDOPTS=""
fi

saved_LIBS="$LIBS"
saved_CFLAGS="$CFLAGS"

# test for plain OpenGL

## THIS TEST PASSES, SEVERAL ALTERNATES FOLLOW WHICH ARE NOT SEEN

AC_MSG_CHECKING([GL])
LIBS="$saved_LIBS $GTK_LIBS $GL_LDOPTS -lGLU -lGL"
AC_TRY_LINK( ,[ char glBegin(); glBegin(); ], have_GL=yes, have_GL=no)
AC_MSG_RESULT($have_GL)

if test x$have_GL = xyes; then

GL_LIBS="-lGLU -lGL"

 else
  # test for GL with Pthreads.

## THIS TEST IS NOT SEEN (NOT NEEDED)

  AC_MSG_CHECKING([GL with threads])
  LIBS="$saved_LIBS $GTK_LIBS $GL_LDOPTS -lGLU -lGL -lpthread"
  AC_TRY_LINK( ,[char glBegin(); glBegin(); ], have_GL=yes, have_GL=no)
  AC_MSG_RESULT($have_GL)

if test x$have_GL = xyes; then

GL_LIBS="-lGLU -lGL -lpthread"

 else
  # test for Mesa

## THIS TEST IS NOT SEEN (NOT NEEDED)

  AC_MSG_CHECKING([Mesa])
  LIBS="$saved_LIBS $GTK_LIBS $GL_LDOPTS -lMesaGLU -lMesaGL"
  AC_TRY_LINK( ,[ char glBegin(); glBegin(); ], have_Mesa=yes,
have_Mesa=no)
  AC_MSG_RESULT($have_Mesa)

if test x$have_Mesa = xyes; then

GL_LIBS="-lMesaGLU -lMesaGL"

else

# test for Mesa with threads

## THIS TEST IS NOT SEEN (NOT NEEDED)

   AC_MSG_CHECKING([Mesa with pthreads])
   LIBS="$saved_LIBS $GTK_LIBS $GL_LDOPTS -lMesaGLU -lMesaGL -lpthread"
   AC_TRY_LINK( ,[ char glBegin(); glBegin(); ], have_Mesa_pthread=yes,
have_Mesa_pthread=no)
   AC_MSG_RESULT($have_Mesa_pthread)

if test x$have_Mesa_pthread = xyes; then

GL_LIBS="-lMesaGLU -lMesaGL -lpthread"

   else
    #all failed
    LIBS="$saved_LIBS"
    CFLAGS="$saved_CFLAGS"
    GTKGL_LIBS=""
    GTKGL_CFLAGS=""
    ifelse([$2], , :, [$2])

   fi
  fi
 fi
fi

# tests for GtkGLArea

## THIS TEST FAILS WITH LINKER ERRORS.

if test x$gtkgl_prefix != x; then
 GTKGL_CFLAGS="-I$gtkgl_prefix/include"
 GTKGL_LDOPTS="-L$gtkgl_prefix/lib"
else
 GTKGL_CFLAGS=""
 GTKGL_LDOPTS=""
fi

AC_MSG_CHECKING([GtkGLArea])
LIBS="$save_LIBS -lgtkgl $GTK_LIBS $GL_LDOPTS $GL_LIBS $GTKGL_LDOPTS"
AC_TRY_LINK( ,[ char gtk_gl_area_new(); gtk_gl_area_new(); ],
have_gtkgl=yes, have_gtkgl=no)
AC_MSG_RESULT($have_gtkgl)

if test x$have_gtkgl = xyes; then

 LIBS="$saved_LIBS"
 CFLAGS="$saved_CFLAGS"
 GTKGL_CFLAGS="$GTKGL_CFLAGS $GL_CFLAGS"
 GTKGL_LIBS="$GTKGL_LDOPTS -lgtkgl $GL_LDOPTS $GL_LIBS"
 ifelse([$1], , :, [$1])

else

 LIBS="$saved_LIBS"
 CFLAGS="$saved_CFLAGS"
 GTKGL_LIBS=""
 GTKGL_CFLAGS=""
 ifelse([$2], , :, [$2])

fi

AC_SUBST(GTKGL_CFLAGS)
AC_SUBST(GTKGL_LIBS)

])

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-chris zubrzycki
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[Fink-devel] Fwd: [Fink-users] AM_PATH_GTKGL trouble

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