tools/elfutils: depend on m4

Some buildbots fail to build elfutils due to m4 being missing. Add m4 as
a dependency for elfutils to fix this.

Fixes: ad79b9271949 ("elfutils: move host build to tools")
Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>

diff --git a/tools/Makefile b/tools/Makefile
index 507971c6d59f71a699af8c4b5276130c598aa957..be1a23ed512fb5f3edd1466f0df12495d93bde2d 100644 (file)
--- a/tools/Makefile
+++ b/tools/Makefile
@@ -85,7 +85,7 @@ ifeq ($(HOST_OS),Darwin)
   tools-y += bash
 else
   $(curdir)/dwarves/compile += $(curdir)/elfutils/compile
-  $(curdir)/elfutils/compile := $(curdir)/zlib/compile
+  $(curdir)/elfutils/compile := $(curdir)/m4/compile $(curdir)/zlib/compile
   tools-$(CONFIG_DWARVES) += dwarves
   tools-y += elfutils
 endif