Fixed the method for checking whether compiling for Windows.

configure.ac

@@ -31,16 +31,12 @@ PKG_CHECK_EXISTS([SDL2_mixer], [
 
 AC_ARG_VAR([SF_SCREEN_WIDTH], [The width of the game window in pixels])
 AC_ARG_VAR([SF_SCREEN_HEIGHT], [The height of the game window in pixels])
-AC_ARG_VAR([SF_WINDOWS], [Set to "1" to indicate that the build is for Windows])
 AS_IF([test -n "$SF_SCREEN_WIDTH"], [
 	STARFIGHTER_CFLAGS="$STARFIGHTER_CFLAGS -DSCREEN_WIDTH=$SF_SCREEN_WIDTH"
 ])
 AS_IF([test -n "$SF_SCREEN_HEIGHT"], [
 	STARFIGHTER_CFLAGS="$STARFIGHTER_CFLAGS -DSCREEN_HEIGHT=$SF_SCREEN_HEIGHT"
 ])
-AS_IF([test -n "$SF_WINDOWS"], [
-	STARFIGHTER_CFLAGS="$STARFIGHTER_CFLAGS -DWINDOWS"
-])
 
 AC_SUBST([STARFIGHTER_CFLAGS])
 

src/engine.cpp

@@ -22,7 +22,7 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <sys/stat.h>
 #include <unistd.h>
 
-#ifndef WINDOWS
+#ifndef _WIN32
 #include <pwd.h>
 #endif
 
@@ -162,7 +162,7 @@ void engine_setupConfigDirectory()
 	const char *userHome;
 	char dir[PATH_MAX];
 
-#ifdef WINDOWS
+#ifdef _WIN32
 	// XXX: This is a bad design, but I just can't be bothered to learn
 	// the Windows API so I can do this properly. If anyone wants to
 	// make this point to the proper directory, be my guest!
@@ -176,7 +176,7 @@ void engine_setupConfigDirectory()
 
 	sprintf(dir, "%s/.config", userHome);
 
-#ifdef WINDOWS
+#ifdef _WIN32
 	if ((mkdir(dir) != 0) && (errno != EEXIST))
 		engine_showError(2, dir);