[PATCH v2] kconfig/kbuild: define _POSIX_C_SOURCE

[Valentin Ochs]

The three patched files use PATH_MAX without defining the required
_POSIX_C_SOURCE feature test macro.  This prevents compilation with the
musl libc.  The patch applies to 2.6.38.2.  

Changes since v1:
 - fix scripts/kconfig/lex.zconf.c_shipped
 - fix scripts/kconfig/mconf.c

Sorry about the incomplete patch I sent a few hours ago, it won't happen
again. :)

Best regards,
Valentin

Signed-off-by: Valentin Ochs <a@xxxxxx>
---
--- a/scripts/basic/fixdep.c
+++ b/scripts/basic/fixdep.c
@@ -102,7 +102,7 @@
  * through arch/um/include/uml-config.h; this fixdep "bug" makes sure that
  * those files will have correct dependencies.
  */
 
+#define _POSIX_C_SOURCE 200809L
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <sys/mman.h>
--- a/scripts/kconfig/lex.zconf.c_shipped
+++ b/scripts/kconfig/lex.zconf.c_shipped
@@ -35,6 +35,7 @@
 /* First, we deal with  platform-specific or compiler-specific issues. */
 
 /* begin standard C headers. */
+#define _POSIX_C_SOURCE 200809L
 #include <stdio.h>
 #include <string.h>
 #include <errno.h>
--- a/scripts/kconfig/mconf.c
+++ b/scripts/kconfig/mconf.c
@@ -7,7 +7,7 @@
  *
  * i18n, 2005, Arnaldo Carvalho de Melo <acme@xxxxxxxxxxxxxxxx>
  */
 
+#define _POSIX_C_SOURCE 200809L
 #include <ctype.h>
 #include <errno.h>
 #include <fcntl.h>
--
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