Inspired by libguestfs' configure.ac hack - test automake version, and if 1.12 or newer, use m4 magic to pass "serial_tests" option to AM_INIT_AUTOMAKE().
https://www.redhat.com/archives/libguestfs/2013-February/msg00102.html Trac #427 Signed-off-by: Gert Doering <g...@greenie.muc.de> --- configure.ac | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 54fe4f5..cd450d3 100644 --- a/configure.ac +++ b/configure.ac @@ -35,7 +35,21 @@ AC_CONFIG_AUX_DIR([.]) AC_CONFIG_HEADERS([config.h]) AC_CONFIG_SRCDIR([src/openvpn/syshead.h]) AC_CONFIG_MACRO_DIR([m4]) -AM_INIT_AUTOMAKE + +dnl Initialize automake. automake < 1.12 didn't have serial-tests and +dnl gives an error if it sees this, but for automake >= 1.13 +dnl serial-tests is required so we have to include it. Solution is to +dnl test for the version of automake (by running an external command) +dnl and provide it if necessary. Note we have to do this entirely using +dnl m4 macros since automake queries this macro by running +dnl 'autoconf --trace ...'. +m4_define([serial_tests], [ + m4_esyscmd([automake --version | + head -1 | + awk '{split ($NF,a,"."); if (a[1] == 1 && a[2] >= 12) { print "serial-tests" }}' + ]) +]) +AM_INIT_AUTOMAKE(foreign serial_tests) dnl NB: Do not [quote] this parameter. AC_CANONICAL_HOST AC_USE_SYSTEM_EXTENSIONS -- 2.3.6
