Better cross libc support.

-Erik

Makefile

@@ -52,11 +52,11 @@ endif
 
 # -D_GNU_SOURCE is needed because environ is used in init.c
 ifeq ($(DODEBUG),true)
-    CFLAGS += -Wall -g -fno-builtin -D_GNU_SOURCE
+    CFLAGS += -Wall -g -D_GNU_SOURCE
     LDFLAGS += 
     STRIP   =
 else
-    CFLAGS  += -Wall $(OPTIMIZATION) -fomit-frame-pointer -fno-builtin -D_GNU_SOURCE
+    CFLAGS  += -Wall $(OPTIMIZATION) -fomit-frame-pointer -D_GNU_SOURCE
     LDFLAGS  += -s
     STRIP    = $(STRIPTOOL) --remove-section=.note --remove-section=.comment $(PROG)
     #Only staticly link when _not_ debugging 

init.c

@@ -45,7 +45,6 @@
 #include <sys/fcntl.h>
 #include <sys/ioctl.h>
 #include <sys/mount.h>
-//#include <sys/sysmacros.h>
 #include <sys/types.h>
 #include <sys/vt.h>				/* for vt_stat */
 #include <sys/wait.h>

init/init.c

@@ -45,7 +45,6 @@
 #include <sys/fcntl.h>
 #include <sys/ioctl.h>
 #include <sys/mount.h>
-//#include <sys/sysmacros.h>
 #include <sys/types.h>
 #include <sys/vt.h>				/* for vt_stat */
 #include <sys/wait.h>

internal.h

@@ -34,9 +34,6 @@
 #include <sys/stat.h>
 #include <sys/param.h>
 #include <mntent.h>
-#if ! defined(__GLIBC__) && ! defined (__UCLIBC__)
-#include <asm/string.h>
-#endif
 
 
 /* Some useful definitions */

utility.c

@@ -135,6 +135,7 @@ extern int get_kernel_revision(void)
 
 #if defined BB_FREE || defined BB_INIT || defined BB_UNAME || defined BB_UPTIME
 #include <sys/syscall.h>
+#include <linux/unistd.h>
 _syscall1(int, sysinfo, struct sysinfo *, info);
 #endif                                                 /* BB_INIT */