Add missing mkdir calls so that out-of-tree builds work.

Upstream-Status: Submitted (https://github.com/libarchive/libarchive/pull/534)
Signed-off-by: Ross Burton <ross.burton@intel.com>

diff --git a/Makefile.am b/Makefile.am
index 3fa2d22..5ecca52 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -508,6 +508,7 @@ libarchive_test_LDADD= $(LTLIBICONV)
 # Building it automatically provides a sanity-check on libarchive_test_SOURCES
 # above.
 libarchive/test/list.h: Makefile
+	$(MKDIR_P) libarchive/test
 	cat $(top_srcdir)/libarchive/test/test_*.c | grep DEFINE_TEST > libarchive/test/list.h
 
 libarchive_TESTS_ENVIRONMENT= LIBARCHIVE_TEST_FILES=`cd $(top_srcdir);/bin/pwd`/libarchive/test LRZIP=NOCONFIG
@@ -835,6 +836,7 @@ bsdtar_test_CPPFLAGS=\
 	$(PLATFORMCPPFLAGS)
 
 tar/test/list.h: Makefile
+	$(MKDIR_P) tar/test
 	cat $(top_srcdir)/tar/test/test_*.c | grep DEFINE_TEST > tar/test/list.h
 
 if BUILD_BSDTAR
@@ -975,6 +977,7 @@ bsdcpio_test_CPPFLAGS= \
 bsdcpio_test_LDADD=libarchive_fe.la
 
 cpio/test/list.h: Makefile
+	$(MKDIR_P) cpio/test
 	cat $(top_srcdir)/cpio/test/test_*.c | grep DEFINE_TEST > cpio/test/list.h
 
 if BUILD_BSDCPIO
diff --git a/configure.ac b/configure.ac
index 38bd299..7bdb00c 100644
--- a/configure.ac
+++ b/configure.ac
@@ -102,6 +102,7 @@ AC_USE_SYSTEM_EXTENSIONS
 AC_LIBTOOL_WIN32_DLL
 AC_PROG_LIBTOOL
 AC_CHECK_TOOL([STRIP],[strip])
+AC_PROG_MKDIR_P
 
 #
 # Options for building bsdtar.