# Checks for libraries.
AC_PATH_XTRA
-AC_CHECK_LIB([Xxf86vm], [XF86VidModeSwitchToMode],
- [LIBXXF86VM=-lXxf86vm], [LIBXXF86VM=],
- [$X_LIBS -lXext -lX11])
+
+if test x"$no_x" = xyes; then
+ GL_LIBS="-lopengl32 -lglu32 -lgdi32"
+ LIBXXF86VM=
+ VERSION_INFO=
+ EXPORT_FLAGS="-DFREEGLUT_EXPORTS"
+else
+ GL_LIBS="-lGL -lGLU -lXext -lX11"
+ AC_CHECK_LIB([Xxf86vm], [XF86VidModeSwitchToMode],
+ [LIBXXF86VM=-lXxf86vm], [LIBXXF86VM=],
+ [$X_LIBS -lXext -lX11])
+ VERSION_INFO="-version-info 11:0:8"
+ EXPORT_FLAGS=
+fi
+AC_SUBST([GL_LIBS])
AC_SUBST([LIBXXF86VM])
+AC_SUBST([VERSION_INFO])
+AC_SUBST([EXPORT_FLAGS])
# Checks for header files.
AC_HEADER_STDC
+save_CPPFLAGS="$CPPFLAGS"
+CPPFLAGS="$CPPFLAGS $X_CFLAGS"
AC_CHECK_HEADERS([GL/gl.h GL/glu.h GL/glx.h fcntl.h limits.h sys/ioctl.h sys/param.h sys/time.h])
AC_HEADER_TIME
-
-save_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS $X_CFLAGS"
AC_CHECK_HEADERS([X11/extensions/xf86vmode.h], [], [], [#include <X11/Xlib.h>])
-CFLAGS="$save_CFLAGS"
+CPPFLAGS="$save_CPPFLAGS"
# Checks for library functions.
AC_PROG_GCC_TRADITIONAL
CFLAGS="$CFLAGS -Wall -pedantic -Werror"
fi
+AC_ARG_ENABLE([debug],
+[AS_HELP_STRING([--enable-debug],
+ [enable debugging code (for developers) @<:@default=no@:>@])])
+if test "x$enable_debug" = xyes; then
+ AC_DEFINE([_DEBUG], [1], [Define to 1 if you want to include debugging code.])
+fi
+
# Generate output.
AC_CONFIG_FILES([Makefile
doc/Makefile