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# Copyright (C) 2008, 2009, 2010, 2011, 2012, 2014, 2015 INRIA
#
# This file is part of GNU MPC.
#
# GNU MPC 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 3 of the License, or (at your
# option) any later version.
#
# GNU MPC 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 this program. If not, see http://www.gnu.org/licenses/ .
# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
AC_PREREQ(2.61)
AC_INIT(mpc, 1.0.3, 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
USER_CC=$CC
USER_CFLAGS=$CFLAGS
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
]
)
AC_ARG_ENABLE([valgrind-tests],
[AC_HELP_STRING([--enable-valgrind-tests],
[run checks through valgrind (default = no)])],
[case $enableval in
yes) gl_VALGRIND_TESTS ;;
no) ;;
*) AC_MSG_ERROR([Bad value for --enable-valgrind-tests: Use yes or no]) ;;
esac
]
)
# Check for CC and CFLAGS in gmp.h unless the user specified one of them
# look for EGREP and SED here, see continued problem
# at http://lists.gforge.inria.fr/pipermail/mpc-discuss/2012-January/001056.html
AC_PROG_EGREP
AC_PROG_SED
if test -z "$USER_CC" && test -z "$USER_CFLAGS"; then
MPC_GMP_CC_CFLAGS
fi
# Setup CC and CFLAGS
AC_PROG_CC
AC_LANG(C)
# automake 1.12 seems to require this, but automake 1.11 doesn't recognize it
m4_ifdef([AM_PROG_AR], [AM_PROG_AR])
# Set up LibTool
LT_INIT
# Check GMP Header
AC_MSG_CHECKING(for gmp.h)
AC_COMPILE_IFELSE([AC_LANG_SOURCE([[
#include "gmp.h"
]])],[AC_MSG_RESULT(yes)],[
AC_MSG_RESULT(no)
AC_MSG_ERROR([gmp.h cannot be found or is unusable.])
])
# Check (only in development versions) if the compiler accepts warning
# flags and add them to CFLAGS
# Note: don't do this if the user defined CFLAGS, since adding new flags
# might override the user's settings, see
# http://lists.gforge.inria.fr/pipermail/mpc-discuss/2012-May/001115.html
if test -z "$USER_CFLAGS"; then
MPC_C_CHECK_WARNINGCFLAGS
fi
# 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([MPC_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 $LIBS"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[#include "mpfr.h"]],
[[mpfr_t x; mpfr_init(x) ; mpfr_clear(x);]]
)],
[AC_MSG_RESULT(yes)],
[
AC_MSG_RESULT(no)
AC_MSG_ERROR([libmpfr not found or uses a different ABI (including static vs shared).])
])
# Check for a recent GMP
# We only guarantee that with a *functional* and recent enough GMP version,
# MPC will compile; we do not guarantee that GMP will compile.
# In particular fat builds are broken in GMP 4.3.2 and GMP 5.0.0
# (at least on 64-bit Core 2 under GNU/Linux),
# see http://gmplib.org/list-archives/gmp-bugs/2011-August/002345.html.
AC_MSG_CHECKING(for recent GMP)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[
#include "gmp.h"
#if (__GNU_MP_VERSION*100 + __GNU_MP_VERSION_MINOR*10 + __GNU_MP_VERSION_PATCHLEVEL < 432)
# error "Minimal GMP version is 4.3.2"
error
#endif
]])],
[AC_MSG_RESULT(yes)],
[
AC_MSG_RESULT(no)
AC_MSG_ERROR([GMP version >= 4.3.2 required])
])
# Check for a recent MPFR: we require MPFR 2.4.2 so that the tests
# in log.dat pass
# The same remark as above for GMP applies.
AC_MSG_CHECKING(for recent MPFR)
AC_COMPILE_IFELSE(
[AC_LANG_SOURCE(
[[
#include "mpfr.h"
#if (MPFR_VERSION < MPFR_VERSION_NUM (2,4,2))
# error "Minimal MPFR version is 2.4.2"
error
#endif
]])],
[AC_MSG_RESULT(yes)],
[
AC_MSG_RESULT(no)
AC_MSG_ERROR([MPFR version >= 2.4.2 required])
])
# Check for logging feature
AS_IF([test "x$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
AC_SUBST(MPC_LDFLAGS)
AC_LIBTOOL_WIN32_DLL
case $host in
*-*-cygwin* | *-*-mingw* | *-*-pw32* | *-*-os2*)
MPC_WINDOWS
esac
# Checks for gcc version, result in variables MPC_GCC etc. inside config.log
AX_GCC_VERSION
AC_DEFINE_UNQUOTED([MPC_GCC], ["$GCC"], [Gcc yes or no])
AC_DEFINE_UNQUOTED([MPC_CC], ["$CC"], [C compiler])
AC_DEFINE_UNQUOTED([MPC_GCC_VERSION], ["$GCC_VERSION"], [Version of gcc])
# Looks for short git hash if the version string contains "dev"
MPC_GITVERSION
AC_CONFIG_FILES([Makefile src/Makefile tests/Makefile doc/Makefile])
AC_OUTPUT
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