conditionally generate the miniswig wrapper like it used to in autoconf+jam

[supertux.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 0627bf2..f6aca78 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -154,9 +154,15 @@ NP_FINDLIB([OPENAL], [OpenAL], [OpenAL],
          [AC_MSG_ERROR([Please intall OpenAL])],
          [], [])
 
-AX_CHECK_GL
-if test "$no_gl" = "yes"; then
-  AC_MSG_ERROR([Please install opengl libraries and headers])
+AC_ARG_ENABLE(opengl,
+              AC_HELP_STRING([--enable-opengl], [enable opengl support]),
+              [enable_opengl=$enableval], [enable_opengl=yes])
+
+if test "$enable_opengl" = "yes"; then
+  AX_CHECK_GL
+  if test "$no_gl" != "yes"; then
+    AC_DEFINE_UNQUOTED(HAVE_OPENGL, 1, Define if OpenGL is present on the system)
+  fi
 fi
 
 dnl Checks for library functions.