libuv/configure.ac
Ben Noordhuis acf1310bb0 build: fix automake serial-tests check again
This effectively undoes the following commits:

    a97685e build: add automake serial-tests version check
    e4c1483 build: serial-tests was added in automake v1.12

After much trial and error I've come to the conclusion that you cannot
reliably test for the automake version inside configure.ac itself.

Feature checks (testing for the presence of macros with m4_ifdef) is
not reliable when the macro is "lazy-loaded" by aclocal: m4 won't see
its definition unless it's actually used in configure.ac, hence checking
for obsolete macros like AM_ENABLE_MULTILIB and AM_WITH_REGEX is not a
reliable proxy for the automake version - both are are lazy-loaded.

That's why this commit moves the version check to autogen.sh, creates
a m4 file with automake options on the fly and includes that in
configure.ac.

Thank you, automake maintainers, for making hard what should be easy.
That's an hour of my life I won't be getting back!
2013-08-17 15:08:49 +02:00

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# Copyright (c) 2013, Ben Noordhuis <info@bnoordhuis.nl>
#
# Permission to use, copy, modify, and/or distribute this software for any
# purpose with or without fee is hereby granted, provided that the above
# copyright notice and this permission notice appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
AC_PREREQ(2.57)
AC_INIT([libuv], [0.11.5], [https://github.com/joyent/libuv/issues])
AC_CONFIG_MACRO_DIR([m4])
m4_include([m4/libuv-extra-automake-flags.m4])
AM_INIT_AUTOMAKE([-Wall -Werror foreign subdir-objects] UV_EXTRA_AUTOMAKE_FLAGS)
AC_CANONICAL_HOST
AC_ENABLE_SHARED
AC_ENABLE_STATIC
AC_PROG_CC
AM_PROG_CC_C_O
# AM_PROG_AR is not available in automake v0.11 but it's essential in v0.12.
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
LT_INIT
# TODO(bnoordhuis) Check for -pthread vs. -pthreads
AC_CHECK_LIB([dl], [dlopen])
AC_CHECK_LIB([kstat], [kstat_lookup])
AC_CHECK_LIB([kvm], [kvm_open])
AC_CHECK_LIB([nsl], [gethostbyname])
AC_CHECK_LIB([perfstat], [perfstat_cpu])
AC_CHECK_LIB([pthread], [pthread_mutex_init])
AC_CHECK_LIB([rt], [clock_gettime])
AC_CHECK_LIB([sendfile], [sendfile])
AC_CHECK_LIB([socket], [socket])
AC_SYS_LARGEFILE
AM_CONDITIONAL([AIX], [AS_CASE([$host_os], [aix*], [true], [false])])
AM_CONDITIONAL([DARWIN], [AS_CASE([$host_os], [darwin*], [true], [false])])
AM_CONDITIONAL([FREEBSD], [AS_CASE([$host_os], [freebsd*], [true], [false])])
AM_CONDITIONAL([LINUX], [AS_CASE([$host_os], [linux*], [true], [false])])
AM_CONDITIONAL([NETBSD], [AS_CASE([$host_os], [netbsd*], [true], [false])])
AM_CONDITIONAL([OPENBSD], [AS_CASE([$host_os], [openbsd*], [true], [false])])
AM_CONDITIONAL([SUNOS], [AS_CASE([$host_os], [solaris*], [true], [false])])
PANDORA_ENABLE_DTRACE
AC_CONFIG_FILES([Makefile])
AC_OUTPUT