Commit 260ee967a0 added a call to the "AM_EXTRA_RECURSIVE_TARGETS"
macro in order to add "signature" as a recursive makefile target. This
allows users to run `make signature` from the top-level directory rather
than requring them to first change into the build directory for their
kernel. Unfortunately, "AM_EXTRA_RECURSIVE_TARGETS" is not available on
RHEL 6 since it requires Automake 1.13. This prevents our driver from
building from a git checkout on the OS (the tarball continues to work
fine).
To address this, we now only conditionally use the macro. If a RHEL 6
user builds from git (not a tarball), the `make signature` step will
not work unless they first change into the 2.6.32 directory.
Fixes: 260ee967a0 ("Add support for kernel module signing and enforcement")
Signed-off-by: Jason Gerecke <jason.gere...@wacom.com>
---
configure.ac | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/configure.ac b/configure.ac
index 1830b75..125589a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,7 +6,7 @@ AC_CONFIG_SRCDIR([Makefile.am])
AC_CONFIG_HEADERS([config.h])
AM_INIT_AUTOMAKE([dist-bzip2 no-dist-gzip foreign])
-AM_EXTRA_RECURSIVE_TARGETS([signature])
+m4_ifdef([AM_EXTRA_RECURSIVE], AM_EXTRA_RECURSIVE_TARGETS([signature]))
AM_MAINTAINER_MODE
AC_PROG_CC
--
2.20.1
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