Build infrastructure for elftoolchain tools

Set WITH_ELFTOOLCHAIN_TOOLS in src.conf to use the elftoolchain version
of the following tools:

 * addr2line
 * elfcopy (strip / mcs)
 * nm
 * size
 * strings

Reviewed by:	bapt (earlier version)
Sponsored by:	The FreeBSD Foundation
Differential Revision: https://reviews.freebsd.org/D1224

2 files changed, 40 insertions, 0 deletions

diff --git a/lib/libelftc/Makefile b/lib/libelftc/Makefile
new file mode 100644
index 0000000..ccae1a5
--- /dev/null
+++ b/lib/libelftc/Makefile
@@ -0,0 +1,30 @@
+# $FreeBSD$
+.include <bsd.own.mk>
+
+INTERNALLIB=
+
+ELFTCDIR=	${.CURDIR}/../../contrib/elftoolchain
+
+.PATH:	${ELFTCDIR}/libelftc
+
+LIB=	elftc
+
+SRCS=	elftc_bfdtarget.c                       \
+	elftc_copyfile.c                        \
+	elftc_demangle.c                        \
+	elftc_set_timestamps.c                  \
+	elftc_string_table.c                    \
+	elftc_version.c                         \
+	libelftc_bfdtarget.c                    \
+	libelftc_dem_arm.c                      \
+	libelftc_dem_gnu2.c                     \
+	libelftc_dem_gnu3.c                     \
+	libelftc_hash.c                         \
+	libelftc_vstr.c
+
+INCS=	libelftc.h
+CFLAGS+=-I${ELFTCDIR}/libelftc -I${ELFTCDIR}/common
+
+NO_MAN=	yes
+
+.include <bsd.lib.mk>
diff --git a/lib/libelftc/elftc_version.c b/lib/libelftc/elftc_version.c
new file mode 100644
index 0000000..f04781f
--- /dev/null
+++ b/lib/libelftc/elftc_version.c
@@ -0,0 +1,10 @@
+/* $FreeBSD$ */
+
+#include <sys/types.h>
+#include <libelftc.h>
+
+const char *
+elftc_version(void)
+{
+	return "libelftc r2974";
+}