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use AC_COMPILE_IFELSE to check for OpenGL support in FLTK
author Benjamin Lindner <lindnerb@users.sourceforge.net>
date Tue, 15 Feb 2011 12:53:17 -0500
parents af2b18354a8e
children c6c3fdbfede2
comparison
equal deleted inserted replaced
12449:2f0d1e12806d 12450:47612d3e7077
912 FLTK_LDFLAGS="`echo $FLTK_LDFLAGS | sed -e 's/-mwindows//g'`" 912 FLTK_LDFLAGS="`echo $FLTK_LDFLAGS | sed -e 's/-mwindows//g'`"
913 ;; 913 ;;
914 esac 914 esac
915 915
916 AC_MSG_CHECKING([for OpenGL support in FLTK]) 916 AC_MSG_CHECKING([for OpenGL support in FLTK])
917 cat > conftest.cc <<EOF 917 save_CFLAGS="$CFLAGS"
918 #include <FL/gl.h> 918 CFLAGS="$CFLAGS $FLTK_CFLAGS"
919 int nothing=0; 919 AC_COMPILE_IFELSE(
920 EOF 920 AC_LANG_PROGRAM([[#include <FL/gl.h>]], [[int nothing = 0;]]),
921 $CXX $CXXFLAGS $FLTK_CFLAGS -c conftest.cc || \ 921 [
922 warn_fltk_opengl="FLTK does not have OpenGL support. Native graphics will be disabled." 922 AC_MSG_RESULT([no])
923 923 warn_fltk_opengl="FLTK does not have OpenGL support. Native graphics will be disabled."
924 ],[
925 AC_DEFINE(HAVE_FLTK, 1, [Define if FLTK is available])
926 AC_MSG_RESULT([yes])
927 ])
928
924 if test -z "$warn_fltk_opengl"; then 929 if test -z "$warn_fltk_opengl"; then
925 AC_MSG_RESULT(yes)
926 AC_DEFINE(HAVE_FLTK, 1, [Define if FLTK is available])
927 GRAPHICS_CFLAGS="$FLTK_CFLAGS" 930 GRAPHICS_CFLAGS="$FLTK_CFLAGS"
928 GRAPHICS_LIBS="$FLTK_LDFLAGS" 931 GRAPHICS_LIBS="$FLTK_LDFLAGS"
929 else
930 AC_MSG_RESULT(no)
931 fi 932 fi
933 CFLAGS="$save_CFLAGS"
932 fi 934 fi
933 fi 935 fi
934 936
935 AC_SUBST(GRAPHICS_CFLAGS) 937 AC_SUBST(GRAPHICS_CFLAGS)
936 AC_SUBST(GRAPHICS_LIBS) 938 AC_SUBST(GRAPHICS_LIBS)