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Viewing changes to extern/bFTGL/unix/m4/glut.m4

  • Committer: Bazaar Package Importer
  • Author(s): Florian Ernst
  • Date: 2005-11-06 12:40:03 UTC
  • mfrom: (1.1.2 upstream)
  • Revision ID: james.westby@ubuntu.com-20051106124003-3pgs7tcg5rox96xg
Tags: 2.37a-1.1
http://bugs.debian.org/333958
* Non-maintainer upload.
* Split out parts of 01_SConstruct_debian.dpatch again: root_build_dir
  really needs to get adjusted before the clean target runs - closes: #333958,
  see #288882 for reference

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extern/bFTGL/unix/m4/glut.m4
 
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dnl FTGL_CHECK_GLUT()
 
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dnl Check for GLUT development environment
 
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dnl
 
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AC_DEFUN([FTGL_CHECK_GLUT],
 
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[dnl
 
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AC_REQUIRE([AC_PROG_CC])dnl
 
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AC_REQUIRE([AC_PATH_X])dnl
 
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AC_REQUIRE([AC_PATH_XTRA])dnl
 
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AC_REQUIRE([FTGL_CHECK_GL])dnl
 
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AC_ARG_WITH([--with-glut-inc],
 
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    AC_HELP_STRING([--with-glut-inc=DIR],[Directory where GL/glut.h is installed (optional)]))
 
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AC_ARG_WITH([--with-glut-lib],
 
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    AC_HELP_STRING([--with-glut-lib=DIR],[Directory where GLUT libraries are installed (optional)]))
 
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AC_LANG_SAVE
 
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AC_LANG_C
 
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GLUT_SAVE_CPPFLAGS="$CPPFLAGS"
 
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GLUT_SAVE_LIBS="$LIBS"
 
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if test "x$no_x" != xyes ; then
 
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    GLUT_CFLAGS="$X_CFLAGS"
 
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    GLUT_X_LIBS="$X_PRE_LIBS $X_LIBS -lX11 -lXext -lXmu $X_EXTRA_LIBS"
 
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fi
 
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if test "x$with_glut_inc" != "xnone" ; then
 
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    if test -d "$with_glut_inc" ; then
 
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        GLUT_CFLAGS="-I$with_glut_inc"
 
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    else
 
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        GLUT_CFLAGS="$with_glut_inc"
 
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    fi
 
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else
 
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    GLUT_CFLAGS=
 
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fi
 
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CPPFLAGS="$GLUT_CFLAGS"
 
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AC_CHECK_HEADER([GL/glut.h], [HAVE_GLUT=yes], [HAVE_GLUT=no])
 
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if test "x$HAVE_GLUT" = xno ; then
 
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    AC_MSG_WARN([GLUT headers not availabe, example program won't be compiled.])
 
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else
 
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# Check for GLUT libraries
 
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    AC_MSG_CHECKING([for GLUT library])
 
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    if test "x$with_glut_lib" != "x" ; then
 
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        if test -d "$with_glut_lib" ; then
 
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            LIBS="-L$with_glut_lib -lglut"
 
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        else
 
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            LIBS="$with_glut_lib"
 
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        fi
 
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    else
 
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        LIBS="-lglut"
 
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    fi
 
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    AC_LINK_IFELSE(
 
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        [AC_LANG_CALL([],[glutInit])],
 
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        [HAVE_GLUT=yes],
 
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        [HAVE_GLUT=no])
 
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    if test "x$HAVE_GLUT" = xno ; then
 
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        # Try again with the GL libs
 
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        LIBS="-lglut $GL_LIBS"
 
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        AC_LINK_IFELSE(
 
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            [AC_LANG_CALL([],[glutInit])],
 
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            [HAVE_GLUT=yes],
 
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            [HAVE_GLUT=no])
 
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    fi
 
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    if test "x$HAVE_GLUT" = xno && test "x$GLUT_X_LIBS" != x ; then
 
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        # Try again with the GL and X11 libs
 
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        LIBS="-lglut $GL_LIBS $GLUT_X_LIBS"
 
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        AC_LINK_IFELSE(
 
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            [AC_LANG_CALL([],[glutInit])],
 
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            [HAVE_GLUT=yes],
 
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            [HAVE_GLUT=no])
 
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    fi
 
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    if test "x$HAVE_GLUT" = xyes ; then
 
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        AC_MSG_RESULT([yes])
 
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        GLUT_LIBS=$LIBS
 
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    else
 
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        AC_MSG_RESULT([no])
 
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        AC_MSG_WARN([GLUT libraries not availabe, example program won't be compiled.])
 
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    fi
 
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# End check for GLUT libraries
 
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fi
 
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AC_SUBST(HAVE_GLUT)
 
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AC_SUBST(GLUT_CFLAGS)
 
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AC_SUBST(GLUT_LIBS)
 
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AC_LANG_RESTORE
 
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CPPFLAGS="$GLUT_SAVE_CPPFLAGS"
 
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LIBS="$GLUT_SAVE_LIBS"
 
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GLUT_X_CFLAGS=
 
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GLUT_X_LIBS=
 
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])