diff --git a/kBuild/src/kmk/kmkbuiltin.h b/kBuild/src/kmk/kmkbuiltin.h

index 75dce94..6c773b3 100644

--- a/kBuild/src/kmk/kmkbuiltin.h

+++ b/kBuild/src/kmk/kmkbuiltin.h

@@ -31,6 +31,7 @@

 #  define pid_t intptr_t /* Note! sub_proc.c needs it to be pointer sized. */

 # endif

 #else

+# include <stdint.h>

 # include <sys/types.h>

 #endif

diff --git a/kBuild/src/kObjCache/kObjCache.c b/kBuild/src/kObjCache/kObjCache.c

index d6badb7..71a14f2 100644

--- a/kBuild/src/kObjCache/kObjCache.c

+++ b/kBuild/src/kObjCache/kObjCache.c

@@ -66,6 +66,7 @@

 # include <unistd.h>

 # include <sys/wait.h>

 # include <sys/time.h>

+# include <sys/file.h>

 # ifndef O_BINARY

 #  define O_BINARY 0

 # endif

diff --git a/kBuild/src/kmk/config.h.linux b/kBuild/src/kmk/config.h.linux

index 47de647..12715b0 100644

--- a/kBuild/src/kmk/config.h.linux

+++ b/kBuild/src/kmk/config.h.linux

@@ -71,7 +71,7 @@

 /* Define to 1 if you have the declaration of `bsd_signal', and to 0 if you

    don't. */

-/* #define HAVE_DECL_BSD_SIGNAL 1 */

+#define HAVE_DECL_BSD_SIGNAL 1

 /* Define to 1 if you have the declaration of `dlerror', and to 0 if you

    don't. */

diff --git a/kBuild/src/sed/lib/utils.c b/kBuild/src/sed/lib/utils.c

index 647fd6d..fdb0b72 100644

--- a/kBuild/src/sed/lib/utils.c

+++ b/kBuild/src/sed/lib/utils.c

@@ -35,6 +35,8 @@

 # include <stdlib.h>

 #endif /* HAVE_STDLIB_H */

+#include <unistd.h>

+

 #include "utils.h"

 const char *myname;