--- configure.ac | |
+++ configure.ac | |
@@ -188,8 +188,11 @@ | |
dnl | |
dnl check for Cg | |
-dnlCG_LD | |
-if test "${have_fltk}" = yes; then | |
+dnl CG_LD | |
+AC_ARG_ENABLE(nvidia, AC_HELP_STRING([--enable-nvidia], | |
+ [enable nvidia cg support [[default=check]]]), [want_nvidia="${enableval}"], [want_nvidia=yes]) | |
+ | |
+if test "${have_fltk}" = yes -a "${want_nvidia}" != "no"; then | |
AM_PATH_CG(have_cg=yes, have_cg=no) | |
if test "${have_cg}" = yes; then | |
AC_DEFINE(HAVE_FRAGMENT_SHADERS) |