dnl Process this file with autoconf to produce a configure script.

# Copyright (C) 2010-2017 Colin Watson.

#

# This file is part of libpipeline.

#

# libpipeline is free software; you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation; either version 2 of the License, or (at

# your option) any later version.

#

# libpipeline is distributed in the hope that it will be useful, but

# WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

# General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with libpipeline; if not, write to the Free Software

# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301

# USA.

m4_pattern_forbid([^PIPELINE_])

# Initialise and check we're in the correct directory.

AC_INIT([libpipeline], [1.5.0], [cjwatson@debian.org])

AC_CONFIG_AUX_DIR([build-aux])

AM_INIT_AUTOMAKE([1.10 -Wall -Werror foreign])

AM_MAINTAINER_MODE

m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])

AC_PREREQ([2.59])

AC_CONFIG_SRCDIR([lib/pipeline.c])

AC_GNU_SOURCE

m4_ifdef([AM_PROG_AR], [AM_PROG_AR])

LT_INIT([disable-static])

AC_CONFIG_HEADER([config.h])

AC_CANONICAL_HOST

# Check $PATH for the following programs and append suitable options.

AC_PROG_CC

gl_EARLY

AC_PROG_CPP

CFLAGS="$CFLAGS -Wall"

if test "$GCC" = yes

then

	gl_WARN_ADD([-W])

	gl_WARN_ADD([-Wpointer-arith])

	gl_WARN_ADD([-Wwrite-strings])

	gl_WARN_ADD([-Wstrict-prototypes])

	gl_WARN_ADD([-Wshadow])

	gl_WARN_ADD([-Wformat-security])

	gl_WARN_ADD([-Wredundant-decls])

	gl_WARN_ADD([-Wno-missing-field-initializers])

fi

AC_PROG_LN_S

AC_DEFINE_UNQUOTED([SHELL], ["$SHELL"], [A POSIX shell interpreter.])

PKG_CHECK_MODULES([CHECK], [check >= 0.9.4], [run_tests=yes], [run_tests=no])

AM_CONDITIONAL([RUN_TESTS], [test "x$run_tests" = xyes])

# Check for various header files and associated libraries.

AC_ISC_POSIX

gl_INIT

AC_CHECK_HEADERS([fcntl.h])

AC_CHECK_FUNCS([clearenv])

# Checks for structures and compiler characteristics.

AC_C_CONST

AC_TYPE_PID_T

AC_TYPE_SIZE_T

# We must have fork(2) support.

AC_FUNC_FORK

if test "x$ac_cv_func_fork_works" != xyes; then

  AC_MSG_FAILURE([cannot use libpipeline on systems without fork])

fi

# Check for socketpair(2) as fast replacement for pipe(2).

AC_ARG_ENABLE([socketpair-pipe],

[AS_HELP_STRING([--enable-socketpair-pipe], [Use socketpair(2) as fast replacement for pipe(2)])],

  [ if test "$enableval" = "yes"

    then

      PIPELINE_SOCKETPAIR_PIPE

      if test "$pipeline_cv_socketpair_pipe" = yes; then

	PIPELINE_SOCKETPAIR_MODE

      fi

    fi

  ])

dnl PIPELINE_ECHO_VAR(ENV-VARIABLE)

define(PIPELINE_ECHO_VAR, [AC_MSG_NOTICE([default $1 = "$$1"])])dnl

dnl

PIPELINE_ECHO_VAR(CC)

PIPELINE_ECHO_VAR(CPP)

PIPELINE_ECHO_VAR(CPPFLAGS)

PIPELINE_ECHO_VAR(CFLAGS)

PIPELINE_ECHO_VAR(LDFLAGS)

PIPELINE_ECHO_VAR(LIBS)

AC_CONFIG_FILES([Makefile

	gnulib/lib/Makefile

	lib/Makefile

	lib/libpipeline.pc

	man/Makefile

	tests/Makefile])

AC_OUTPUT