Pavel Hrdina reported to me off-list that my gnulib update on Jan 1 broke the build on RHEL 6.4 and older: executing aclocal -I glm4 glm4/gl-openssl.m4:11: error: m4_defn: undefined macro: _m4_divert_diversion glm4/gl-openssl.m4:11: the top level autom4te: /usr/bin/m4 failed with exit status: 1 aclocal: autom4te failed with exit status: 1 It took me a while, but I fixed the regression in gnulib. * gnulib: Update to latest, for buid fixes. Signed-off-by: Eric Blake <eblake(a)redhat.com&gt; --- Pushing under the build-breaker rule. * .gnulib c7802e2...5a7fe2f (12): .gnulib | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/.gnulib b/.gnulib index c7802e2..5a7fe2f 160000 --- a/.gnulib +++ b/.gnulib @@ -1 +1 @@ -Subproject commit c7802e2b418c40fa2bd270cf241314d0c8433a26 +Subproject commit 5a7fe2fe76d74d2cad663018bdf6ed40a90f085e -- 1.8.4.2