build: add automake serial-tests version check

The serial-tests directive was added in automake v0.11. Add an ad-hoc
version check to find out if it's safe to enable. Fixes the autotools
build with older versions of automake.
This commit is contained in:
Ben Noordhuis 2013-08-05 23:27:28 +02:00
parent fd082901f1
commit a97685e702

View File

@ -14,7 +14,11 @@
AC_PREREQ(2.57)
AC_INIT([libuv], [0.11.5], [https://github.com/joyent/libuv/issues])
AM_INIT_AUTOMAKE([foreign serial-tests subdir-objects -Wall -Werror])
# Use AM_SILENT_RULES as an ad-hoc version check to find out if it's safe
# to use the serial-tests directive. Both were added in automake v0.11.
AM_INIT_AUTOMAKE(m4_ifdef([AM_SILENT_RULES],
[-Wall -Werror foreign subdir-objects serial-tests],
[-Wall -Werror foreign subdir-objects]))
AC_CONFIG_MACRO_DIR([m4])
AC_CANONICAL_HOST
AC_ENABLE_SHARED