linux/kconfig.h: add CPP macros useful for per-image config options

[karo-tx-uboot.git] / scripts / basic / fixdep.c

diff --git a/scripts/basic/fixdep.c b/scripts/basic/fixdep.c
index 46cc1b3e5de2fb3a3c4391f9276a1d8cf6a7c182..20fed03beabad5c5b915e51763e338c7ab8833f4 100644 (file)
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -123,6 +123,7 @@
 char *target;
 char *depfile;
 char *cmdline;
+int is_spl_build = 0; /* hack for U-boot */
 
 static void usage(void)
 {
@@ -239,6 +240,7 @@ static void parse_config_file(const char *map, size_t len)
        /* start at +1, so that p can never be < map */
        const int *m   = (const int *) map + 1;
        const char *p, *q;
+       char tmp_buf[256] = "SPL_"; /* hack for U-Boot */
 
        for (; m < end; m++) {
                if (*m == INT_CONF) { p = (char *) m  ; goto conf; }
@@ -263,6 +265,26 @@ static void parse_config_file(const char *map, size_t len)
                        q -= 7;
                if (q - p < 0)
                        continue;
+
+               /* U-Boot also handles CONFIG_IS_{ENABLED/BUILTIN/MODULE} */
+               if ((q - p == 10 && !memcmp(p, "IS_ENABLED(", 11)) ||
+                   (q - p == 10 && !memcmp(p, "IS_BUILTIN(", 11)) ||
+                   (q - p == 9 && !memcmp(p, "IS_MODULE(", 10))) {
+                       p = q + 1;
+                       for (q = p; q < map + len; q++)
+                               if (*q == ')')
+                                       goto found2;
+                       continue;
+
+               found2:
+                       if (is_spl_build) {
+                               memcpy(tmp_buf + 4, p, q - p);
+                               q = tmp_buf + 4 + (q - p);
+                               p = tmp_buf;
+                       }
+               }
+               /* end U-Boot hack */
+
                use_config(p, q - p);
        }
 }
@@ -456,6 +478,10 @@ int main(int argc, char *argv[])
        target = argv[2];
        cmdline = argv[3];
 
+       /* hack for U-boot */
+       if (!strncmp(target, "spl/", 4) || !strncmp(target, "tpl/", 4))
+               is_spl_build = 1;
+
        print_cmdline();
        print_deps();