small configure patch

[Ove Kaaven]

Log:
Andrew Lewycky <andrew at transgaming.com>
Ove Kaaven <ovek at transgaming.com>
Check for common broken nVidia+Mesa OpenGL library setups.
Add some quoting.

Index: wine/configure.in
diff -u wine/configure.in:1.1.1.25 wine/configure.in:1.50
--- wine/configure.in:1.1.1.25	Wed Jan 16 10:58:58 2002
+++ wine/configure.in	Fri Jan 18 09:28:22 2002
@@ -253,6 +281,14 @@
     ) dnl *** End of X11/Xlib.h check
 
     dnl Check for the presence of OpenGL
+
+    if test -e /usr/X11R6/lib/libGL.a -a ! -e /usr/X11R6/lib/libGL.so
+    then
+	AC_MSG_ERROR(
+[/usr/X11R6/lib/libGL.a is present on your system.
+This prevents linking to OpenGL. Delete the file and restart configure.])
+    fi
+
     if test $OPENGL = "yes" -o $OPENGL = "normal"
     then
 	AC_CHECK_HEADERS(GL/gl.h GL/glx.h GL/glext.h)
@@ -287,9 +323,8 @@
 			     ,,
 			     $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
 
-		if test $ac_cv_lib_GL_glXCreateContext = "yes"
+		if test "$ac_cv_lib_GL_glXCreateContext" = "yes"
 		then
-
 			OPENGLFILES='$(OPENGLFILES)'
 			AC_DEFINE(HAVE_OPENGL, 1, [Define if OpenGL is present on the system])
 
@@ -298,7 +333,7 @@
                                                [Define if the OpenGL library supports the glXGetProcAddressARB call]),,
                                      $X_LIBS -lXext -lX11 -lm $X_EXTRA_LIBS)
 
-			if test $ac_cv_lib_GL_glXGetProcAddressARB = "yes"
+			if test "$ac_cv_lib_GL_glXGetProcAddressARB" = "yes"
 			then
 			       AC_CACHE_CHECK([for OpenGL extension functions prototypes], wine_cv_extension_prototypes,
 			          [AC_TRY_COMPILE([#include <GL/gl.h>
@@ -311,7 +346,7 @@
 						 [wine_cv_extension_prototypes="no"]
 				  )]
 				)
-				if test $wine_cv_extension_prototypes = "yes"
+				if test "$wine_cv_extension_prototypes" = "yes"
 				then
 				    AC_DEFINE(HAVE_GLEXT_PROTOTYPES, 1,
                                               [Define if the OpenGL headers define extension typedefs])