Rewrite overcomplicated OpenGL test.

2003-09-18 22:28:19 +00:00
parent 6c33443944
commit 35c7641177
2 changed files with 23 additions and 1 deletions
@@ -0,0 +1,22 @@
+AC_DEFUN(SM_OPENGL,
+[
+    AC_ARG_ENABLE(mesa, AC_HELP_STRING([--enable-mesa], [Use libMesaGL]), enable_mesa=$enableval, enable_mesa=no)
+
+    GL_LIBS=
+    if test "$enable_mesa" = "yes"; then
+	AC_CHECK_LIB(MesaGL, glPushMatrix, GL_LIBS=-lMesaGL)
+    fi
+
+    if test -z "$GL_LIBS"; then
+	AC_CHECK_LIB(GL, glPushMatrix, GL_LIBS="-lGL")
+    fi
+
+    AC_SUBST(GL_LIBS)
+    if test -z $GL_LIBS; then
+	AC_MSG_ERROR(["No OpenGL libraries could be found.  If you want
+to search for MesaGL, pass the "--enable-mesa" flag to configure.])
+    fi
+])
+
+
+