macros which have been defined in config.h can only be used at function level, however you can nest code into config.h now for implementing a different layout (just for example), eg. #include "supertile.c"
--- a/dwm.c Sat Sep 15 22:45:18 2007 +0200
+++ b/dwm.c Sun Sep 16 10:23:53 2007 +0200
@@ -194,20 +194,16 @@
static int xerrorstart(Display *dsply, XErrorEvent *ee);
static void zoom(const char *arg);
-#include "config.h"
-
/* variables */
static char stext[256];
-static double mwfact = MWFACT;
+static double mwfact;
static int screen, sx, sy, sw, sh, wax, way, waw, wah;
static int (*xerrorxlib)(Display *, XErrorEvent *);
-static unsigned int bh;
+static unsigned int bh, bpos, ntags;
static unsigned int blw = 0;
-static unsigned int bpos = BARPOS;
static unsigned int ltidx = 0; /* default */
static unsigned int nlayouts = 0;
static unsigned int nrules = 0;
-static unsigned int ntags;
static unsigned int numlockmask = 0;
static void (*handler[LASTEvent]) (XEvent *) = {
[ButtonPress] = buttonpress,
@@ -237,6 +233,9 @@
static Window barwin, root;
static Regs *regs = NULL;
+/* configuration, allows nested code to work on above variables */
+#include "config.h"
+
static void
eprint(const char *errstr, ...) {
va_list ap;
@@ -1806,6 +1805,11 @@
eprint("dwm-"VERSION", © 2006-2007 A. R. Garbe, S. van Dijk, J. Salmi, P. Hruby, S. Nagy\n");
else if(argc != 1)
eprint("usage: dwm [-v]\n");
+
+ /* macros from config.h can be used beginning within main() */
+ mwfact = MWFACT;
+ bpos = BARPOS;
+
setlocale(LC_CTYPE, "");
if(!(dpy = XOpenDisplay(0)))
eprint("dwm: cannot open display\n");