1 files changed, 58 insertions, 0 deletions
diff --git a/tools/build/Makefile b/tools/build/Makefile
new file mode 100644
index 000000000000..adde04a56619
--- /dev/null
+++ b/tools/build/Makefile
@@ -0,0 +1,58 @@
+# $FreeBSD$
+
+.PATH: ${.CURDIR}/../../include
+
+LIB=		build
+SRCS=
+INCSGROUPS=	INCS
+INCS=		
+
+BOOTSTRAPPING?=	0
+
+# Some tools need <sys/endian.h>.
+.if !exists(/usr/include/sys/endian.h)
+INCSGROUPS+=	SYSHDRS
+SYSHDRS=	endian.h
+SYSHDRSDIR=	${INCLUDEDIR}/sys
+.endif
+
+# gnu/usr.bin/binutils/ld needs <elf-hints.h>.
+.if !exists(/usr/include/elf-hints.h)
+INCS+=		elf-hints.h
+.endif
+
+# lib/libncurses needs <stdbool.h>.
+.if !exists(/usr/include/stdbool.h)
+INCS+=		stdbool.h
+.endif
+
+# usr.bin/xargs needs <nl_langinfo.h>.
+.if !exists(/usr/include/langinfo.h)
+INCS+=		langinfo.h
+.endif
+
+# gnu/usr.bin/binutils/libiberty needs basename(3).
+.if ( ${BOOTSTRAPPING} < 440000 || \
+    ( ${BOOTSTRAPPING} >= 500000 && ${BOOTSTRAPPING} < 500022 ))
+.PATH: ${.CURDIR}/../../lib/libc/gen
+SRCS+=		basename.c
+.endif
+
+# Some tools need {get,set}progname(3).
+.if ( ${BOOTSTRAPPING} < 440001 || \
+    ( ${BOOTSTRAPPING} >= 500000 && ${BOOTSTRAPPING} < 500023 ))
+SRCS+=		progname.c
+.endif
+
+# install(1) needs strtofflags(3).
+.if ( ${BOOTSTRAPPING} < 400021 || \
+    ( ${BOOTSTRAPPING} >= 500000 && ${BOOTSTRAPPING} < 500007 ))
+.PATH: ${.CURDIR}/../../lib/libc/gen
+SRCS+=		strtofflags.c
+.endif
+
+.if empty(SRCS)
+SRCS=		dummy.c
+.endif
+
+.include <bsd.lib.mk>