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/* configure.ac
Copyright (C) INRIA, 2008, 2009, 2010, 2011
This file is part of the MPC Library.
The MPC Library is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or (at your
option) any later version.
The MPC Library 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 Lesser General Public
License for more details.
You should have received a copy of the GNU Lesser General Public License
along with the MPC Library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
MA 02111-1307, USA. */
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.61)
AC_INIT(mpc, 0.9.1-dev, mpc-discuss@lists.gforge.inria.fr)
AC_CONFIG_SRCDIR([src/mpc-impl.h])
AC_CONFIG_HEADER([config.h])
AM_INIT_AUTOMAKE([1.9 -Wall -Werror])
AM_MAINTAINER_MODE
AC_CANONICAL_HOST
AC_CONFIG_MACRO_DIR([m4])
# Extra arguments to configure
AC_ARG_WITH([mpfr_include],
[AC_HELP_STRING([--with-mpfr-include=DIR],
[MPFR include directory])],
[CPPFLAGS="-I$withval $CPPFLAGS"])
AC_ARG_WITH([mpfr_lib],
[AC_HELP_STRING([--with-mpfr-lib=DIR],
[MPFR lib directory])],
[LDFLAGS="-L$withval $LDFLAGS"])
AC_ARG_WITH([mpfr],
[AC_HELP_STRING([--with-mpfr=DIR],
[MPFR install directory])],
[
if test -z "$with_mpfr_include" -a -z "$with_mpfr_lib" ; then
CPPFLAGS="-I$withval/include $CPPFLAGS"
LDFLAGS="-L$withval/lib $LDFLAGS"
else
AC_MSG_FAILURE([Do not use --with-mpfr and --with-mpfr-include/--with-mpfr-lib options simultaneously.])
fi
])
AC_ARG_WITH([gmp_include],
[AC_HELP_STRING([--with-gmp-include=DIR],
[GMP include directory])],
[CPPFLAGS="-I$withval $CPPFLAGS"])
AC_ARG_WITH([gmp_lib],
[AC_HELP_STRING([--with-gmp-lib=DIR],
[GMP lib directory])],
[LDFLAGS="-L$withval $LDFLAGS"])
AC_ARG_WITH([gmp],
[AC_HELP_STRING([--with-gmp=DIR],
[GMP install directory])],
[
if test -z "$with_gmp_lib" -a -z "$with_gmp_include" ; then
CPPFLAGS="-I$withval/include $CPPFLAGS"
LDFLAGS="-L$withval/lib $LDFLAGS"
else
AC_MSG_FAILURE([Do not use --with-gmp and --with-gmp-include/--with-gmp-lib options simultaneously.])
fi
])
AC_ARG_ENABLE([logging],
[AC_HELP_STRING([--enable-logging],
[enable logging of function calls to stderr (default = no)])],
[case $enableval in
yes) AS_IF([test "x$enable_shared" = "xno"],
AC_MSG_ERROR([Logging works only with shared libraries; do not mix --enable-logging and --disable-shared])) ;;
no) ;;
*) AC_MSG_ERROR([Bad value for --enable-logging: Use yes or no]) ;;
esac
]
)
# Setup CC and CFLAGS
AC_PROG_CC
AC_LANG(C)
# Set up LibTool
AC_PROG_LIBTOOL
# Check for user specification of CC or CFLAGS
if test -n "$CFLAGS" || test -n "$CC" ; then
user_redefine_cc=yes
fi
# Check GMP Header
AC_MSG_CHECKING(for gmp.h)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include "gmp.h"
]])],[AC_MSG_RESULT(yes)],[
AC_MSG_RESULT(no)
AC_MSG_ERROR([gmp.h cannot be found or is unusable.])
])
# Check for GMP CFLAGS in gmp.h
if test -z "$user_redefine_cc" ; then
MPC_GMP_CC_CFLAGS
fi
# Check if compiler accepts warning flags and add them to CFLAGS
MPC_C_CHECK_WARNINGCFLAGS
# Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([locale.h inttypes.h stdint.h limits.h unistd.h sys/time.h])
AC_HEADER_TIME
MPC_COMPLEX_H
# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_TYPE_SIZE_T
# Checks for libraries.
AC_CHECK_FUNCS([gettimeofday localeconv setlocale])
AC_CHECK_FUNCS([dup dup2],,
[AC_DEFINE([NO_STREAM_REDIRECTION],1,[Do not check mpc_out_str on stdout])])
AC_CHECK_LIB([gmp], [__gmpz_init],
[LIBS="-lgmp $LIBS"],
[AC_MSG_ERROR([libgmp not found or uses a different ABI (including static vs shared).])])
AC_MSG_CHECKING(for MPFR)
LIBS="-lmpfr $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include "mpfr.h"]],
[[mpfr_t x; mpfr_init(x) ; mpfr_clear(x);]]
)],
[AC_MSG_RESULT(yes)],
[
AC_MSG_RESULT(no)
AC_MSG_ERROR([libmpfr not found or uses a different ABI (including static vs shared).])
])
# Check for a recent GMP
AC_MSG_CHECKING(for recent GMP)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[
#include "gmp.h"
#if (__GNU_MP_VERSION*100 + __GNU_MP_VERSION_MINOR*10 + __GNU_MP_VERSION_PATCHLEVEL < 432)
# error "Minimal GMP version is 4.3.2"
error
#endif
]])],
[AC_MSG_RESULT(yes)],
[
AC_MSG_RESULT(no)
AC_MSG_ERROR([GMP version >= 4.3.2 required])
])
# Check for a recent MPFR: we require MPFR 2.4.2 so that the tests
# in log.dat pass
AC_MSG_CHECKING(for recent MPFR)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[
#include "mpfr.h"
#if (MPFR_VERSION < MPFR_VERSION_NUM (2,4,2))
# error "Minimal MPFR version is 2.4.2"
error
#endif
]])],
[AC_MSG_RESULT(yes)],
[
AC_MSG_RESULT(no)
AC_MSG_ERROR([MPFR version >= 2.4.2 required])
])
# Check for logging feature
AS_IF([test "x$enable_logging" = "xyes"],
[AC_CHECK_HEADERS([dlfcn.h])
AC_CHECK_LIB([dl],[dlsym],
[
AC_DEFINE(HAVE_LIBDL, 1, [Library dl present])
LIBS="-ldl $LIBS"
AC_TYPE_INTPTR_T
AC_LIBOBJ([logging])
AC_SUBST([MPC_LOG_H],[src/mpc-log.h])
],
[AC_MSG_ERROR([Library dl not found, logging impossible])])
]
)
# Configs for Windows DLLs
case $host in
*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
MPC_WINDOWS
esac
# Checks for gcc version, result in GCC_VERSION inside config.log, for instance
AX_GCC_VERSION
AC_DEFINE_UNQUOTED([MPC_GCC], ["$GCC"], [Gcc yes or no])
AC_DEFINE_UNQUOTED([MPC_CC], ["$CC"], [C compiler])
AC_DEFINE_UNQUOTED([MPC_GCC_VERSION], ["$GCC_VERSION"], [Version of gcc])
AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile doc/Makefile])
AC_OUTPUT
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