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configure.ac
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configure.ac
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################################################################################
# preamble
################################################################################
define(FLINT_COPYRIGHT,[[
Copyright (C) 2023, 2024 Albin Ahlbäck
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
]])
define(FLINT_COPYRIGHT_C,[[/*
Copyright (C) 2023, 2024 Albin Ahlbäck
This file is part of FLINT.
FLINT is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License (LGPL) as published
by the Free Software Foundation; either version 3 of the License, or
(at your option) any later version. See <https://www.gnu.org/licenses/>.
*/]])
# Copyright 1996-2022 Free Software Foundation, Inc.
#
# This file is part of the GNU MP Library.
#
# The GNU MP Library is free software; you can redistribute it and/or modify
# it under the terms of either:
#
# * 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.
#
# or
#
# * 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.
#
# or both in parallel, as here.
#
# The GNU MP 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 General Public License
# for more details.
#
# You should have received copies of the GNU General Public License and the
# GNU Lesser General Public License along with the GNU MP Library. If not,
# see https://www.gnu.org/licenses/.
AC_COPYRIGHT(FLINT_COPYRIGHT)
AH_TOP(FLINT_COPYRIGHT_C)
AC_PREREQ(2.62)
m4_define(FLINT_VERSION,m4_include([VERSION]))
AC_INIT(FLINT, FLINT_VERSION, [https://github.com/flintlib/flint/issues/], flint, [https://flintlib.org/])
AC_CONFIG_AUX_DIR([config])
AC_LANG(C)
# Every major version of Flint (1.0, 1.1, 1.2, etc.) gets
# a new major soname number.
# Every time a release happens where interfaces are added
# to Flint, the minor soname number gets incremented.
# Every patch that is made that doesn't change the Flint
# interface updates the patch number.
# However, if backwards incompatible changes are made, both
# the minor and patch numbers are set to 0. (Hopefully this
# doesn't happen in practice.)
# flint => soname
# 2.5.0 => 13.5.0
# 2.5.1 => 13.5.1
# 2.5.2 => 13.5.2
# 2.6.0 => 14.0.0
# 2.6.1 => 14.0.1
# 2.6.2 => 14.0.2
# 2.6.3 => 14.0.3
# 2.7.0 => 15.0.0
# 2.7.1 => 15.0.1
# 2.8.0 => 16.1.0
# 2.8.1 => 16.1.1
# 2.8.2 => 16.1.2
# 2.8.3 => 16.1.3
# 2.8.4 => 16.1.4
# 2.8.5 => 16.1.5
# 2.9.0 => 17.0.0
# 3.0.0 => 18.0.0
# 3.1.0 => 19.0.0
# 3.2.0 => 20.0.0
# NOTE: This must be after AC_INIT
FLINT_MAJOR_SO=20
FLINT_MINOR_SO=0
FLINT_PATCH_SO=0
# Make sure that we are in the right directory
AC_CONFIG_SRCDIR(src/fmpz/link/fmpz_reentrant.c)
# Ensure that source directory is not already configured, so there are no
# clashes between different configurations.
AX_INIT
################################################################################
# initialize libtool
################################################################################
# Later we want to overwrite the default CFLAGS. Check now whether they are set
# or not as Libtool overwrites CFLAGS.
if test -n "${CFLAGS+x}";
then
cflags_set="yes"
else
cflags_set="no"
fi
if test -n "${TESTCFLAGS+x}";
then
testcflags_set="yes"
else
testcflags_set="no"
fi
if test -n "${CXXFLAGS+x}";
then
cxxflags_set="yes"
else
cxxflags_set="no"
fi
LT_INIT([disable-static])
if test "$cflags_set" = "no";
then
CFLAGS=
fi
if test "$cxxflags_set" = "no";
then
CXXFLAGS=
fi
################################################################################
# build system
################################################################################
if test -n "$target_alias";
then
AC_MSG_ERROR([FLINT does not support the use of specifying --target.])
fi
dnl Get system triplet
dnl NOTE: This is already invoked from LT_INIT
dnl AC_CANONICAL_HOST
################################################################################
# configure headers
################################################################################
AC_CONFIG_HEADERS(src/config.h src/flint-config.h)
################################################################################
# features
################################################################################
AC_ARG_ENABLE(pthread,
[AS_HELP_STRING([--enable-pthread],[Enable pthread [default=yes]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-pthread. Need yes or no.])
;;
esac],
enable_pthread="yes")
AC_ARG_ENABLE(reentrant,
[AS_HELP_STRING([--enable-reentrant],[Build reentrant version of library [default=no]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-reentrant. Need yes or no.])
;;
esac],
enable_reentrant="no")
AC_ARG_ENABLE(thread-safe,
[AS_HELP_STRING([--enable-thread-safe],[Enable thread-local storage [default=yes]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-tls. Need yes or no.])
;;
esac],
enable_thread_safe="yes")
if test -n "$enable_tls";
then
AC_MSG_ERROR([--enable-tls is an old feature. Please use --enable-thread-safe instead.])
fi
AC_ARG_ENABLE(assert,
[AS_HELP_STRING([--enable-assert],[Enable use of asserts [default=no]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-assert. Need yes or no.])
;;
esac],
enable_assert="no")
AC_ARG_ENABLE(coverage,
[AS_HELP_STRING([--enable-coverage],[Enable test coverage [default=no]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-coverage. Need yes or no.])
;;
esac],
enable_coverage="no")
AC_ARG_ENABLE(debug,
[AS_HELP_STRING([--enable-debug],[Compile FLINT with debug information [default=yes]])],
[case $enableval in
yes|no)
if test "$enableval" = "no" && test "$enable_coverage" = "yes";
then
AC_MSG_ERROR([Debug information is required by coverage.])
fi
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-debug. Need yes or no.])
;;
esac],
enable_debug="yes")
AC_ARG_ENABLE(dependency-tracking,
[AS_HELP_STRING([--enable-dependency-tracking],[Enable GCC automated dependency tracking [default=yes]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-dependency-tracking. Need yes or no.])
;;
esac],
enable_dependency_tracking="yes")
AC_ARG_ENABLE(pretty-tests,
[AS_HELP_STRING([--enable-pretty-tests],[Enable pretty printing for tests [default=yes]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-pretty-tests. Need yes or no.])
;;
esac],
enable_pretty_tests="yes")
AC_ARG_ENABLE(gmp-internals,
[AS_HELP_STRING([--enable-gmp-internals],[Enable calling GMP internals directly [default=yes]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-gmp-internals. Need yes or no.])
;;
esac],
enable_gmp_internals="yes")
AC_ARG_ENABLE(assembly,
[AS_HELP_STRING([--enable-assembly],[Enable assembly routines (if available) [default=yes]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-assembly. Need yes or no.])
;;
esac],
enable_assembly="yes")
AC_ARG_ENABLE(avx2,
[AS_HELP_STRING([--enable-avx2],[Enable AVX2 instructions [default=no]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-avx2. Need yes or no.])
;;
esac],
enable_avx2="no")
AC_ARG_ENABLE(avx512,
[AS_HELP_STRING([--enable-avx512],[Enable AVX512 instructions [default=no]])],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-avx512. Need yes or no.])
;;
esac],
enable_avx512="no")
# NOTE: This is maintainer level only. Currently only used for Nemo CI.
AC_ARG_ENABLE(mpfr-check,[],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-mpfr-check. Need yes or no.])
;;
esac],
enable_mpfr_check="yes")
# NOTE: Maintainer level only. Avoids any sort of optimization to speed up
# builds.
AC_ARG_ENABLE(fast-build,[],
[case $enableval in
yes|no)
;;
*)
AC_MSG_ERROR([Bad value $enableval for --enable-fast-build. Need yes or no.])
;;
esac],
enable_fast_build="no")
################################################################################
# packages
################################################################################
AC_ARG_WITH(gmp_include,
[AS_HELP_STRING([--with-gmp-include=DIR],[GMP include directory])],
CPPFLAGS="$CPPFLAGS -I$withval"
gmp_include_path="$withval"
)
AC_ARG_WITH(gmp_lib,
[AS_HELP_STRING([--with-gmp-lib=DIR],[GMP library directory])],
LDFLAGS="$LDFLAGS -L$withval"
gmp_lib_path="$withval"
)
AC_ARG_WITH(gmp,
[AS_HELP_STRING([--with-gmp[[=DIR]]],[GMP install directory])],
if test "$with_gmp" = "no";
then
AC_MSG_FAILURE([The use of GMP is mandatory.])
elif test "$with_gmp" = "yes";
then
:
elif test -z "$gmp_include_path" && test -z "$gmp_lib_path";
then
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
gmp_include_path="$withval/include"
gmp_lib_path="$withval/lib"
with_gmp="yes"
else
AC_MSG_FAILURE([Cannot use --with-gmp along with --with-gmp-include or --with-gmp-lib.])
fi,
with_gmp="yes"
)
AC_ARG_WITH(mpfr_include,
[AS_HELP_STRING([--with-mpfr-include=DIR],[MPFR include directory])],
CPPFLAGS="$CPPFLAGS -I$withval"
mpfr_include_path="$withval"
)
AC_ARG_WITH(mpfr_lib,
[AS_HELP_STRING([--with-mpfr-lib=DIR],[MPFR library directory])],
LDFLAGS="$LDFLAGS -L$withval"
mpfr_lib_path="$withval"
)
AC_ARG_WITH(mpfr,
[AS_HELP_STRING([--with-mpfr[[=DIR]]],[MPFR install directory])],
if test "$with_mpfr" = "no";
then
AC_MSG_FAILURE([The use of MPFR is mandatory.])
elif test "$with_mpfr" = "yes";
then
:
elif test -z "$mpfr_include_path" && test -z "$mpfr_lib_path";
then
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
mpfr_include_path="$withval/include"
mpfr_lib_path="$withval/lib"
with_mpfr="yes"
else
AC_MSG_FAILURE([Cannot use --with-mpfr along with --with-mpfr-include or --with-mpfr-lib.])
fi,
with_mpfr="yes"
)
AC_ARG_WITH(blas_include,
[AS_HELP_STRING([--with-blas-include=DIR],[Use BLAS and specify its include directory])],
CPPFLAGS="$CPPFLAGS -I$withval"
blas_include_path="$withval"
)
AC_ARG_WITH(blas_lib,
[AS_HELP_STRING([--with-blas-lib=DIR],[Use BLAS and specify its library directory])],
LDFLAGS="$LDFLAGS -L$withval"
blas_lib_path="$withval"
)
AC_ARG_WITH(blas,
[AS_HELP_STRING([--with-blas[[=DIR]]],[Use BLAS and specify its install directory])],
if test "$with_blas" = "yes";
then
:
elif test "$with_blas" = "no";
then
if test -n "$blas_include_path" || test -n "$blas_lib_path";
then
AC_MSG_FAILURE([--with-blas-include or --with-blas-lib was specified but --with-blas=no.])
fi
elif test -z "$blas_include_path" && test -z "$blas_lib_path";
then
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
blas_include_path="$withval/include"
blas_lib_path="$withval/lib"
with_blas="yes"
else
AC_MSG_FAILURE([Cannot use --with-blas along with --with-blas-include or --with-blas-lib.])
fi,
with_blas="no"
)
if test "$with_blas" != "no" || test -n "$blas_include_path" || test -n "$blas_lib_path";
then
with_blas="yes"
fi
AC_ARG_WITH(gc_include,
[AS_HELP_STRING([--with-gc-include=DIR],[Use GC and specify its include directory])],
CPPFLAGS="$CPPFLAGS -I$withval"
gc_include_path="$withval",
with_gc_include="no"
)
AC_ARG_WITH(gc_lib,
[AS_HELP_STRING([--with-gc-lib=DIR],[Use GC and specify its library directory])],
LDFLAGS="$LDFLAGS -L$withval"
gc_lib_path="$withval",
with_gc_lib="no"
)
AC_ARG_WITH(gc,
[AS_HELP_STRING([--with-gc[[=DIR]]],[Use GC and optionally specify its install directory])],
if test "$with_gc" = "yes";
then
:
elif test "$with_gc" = "no";
then
if test -n "$gc_include_path" || test -n "$gc_lib_path";
then
AC_MSG_FAILURE([--with-gc-include or --with-gc-lib was specified but --with-gc=no.])
fi
elif test -z "$gc_include_path" && test -z "$gc_lib_path";
then
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
gc_include_path="$withval/include"
gc_lib_path="$withval/lib"
with_gc="yes"
else
AC_MSG_FAILURE([Cannot use --with-gc along with --with-gc-include or --with-gc-lib.])
fi,
with_gc="no"
)
if test "$with_gc" != "no" || test -n "$gc_include_path" || test -n "$gc_lib_path";
then
with_gc="yes"
fi
AC_ARG_WITH(ntl_include,
[AS_HELP_STRING([--with-ntl-include=DIR],[Use NTL (in tests) and specify its include directory])],
CPPFLAGS="$CPPFLAGS -I$withval"
ntl_include_path="$withval"
)
AC_ARG_WITH(ntl_lib,
[AS_HELP_STRING([--with-ntl-lib=DIR],[Use NTL (in tests) and specify its library directory])],
LDFLAGS="$LDFLAGS -L$withval"
ntl_lib_path="$withval"
)
AC_ARG_WITH(ntl,
[AS_HELP_STRING([--with-ntl[[=DIR]]],[Use NTL (in tests) and optionally specify its install directory])],
if test "$with_ntl" = "yes";
then
:
elif test "$with_ntl" = "no";
then
if test -n "$ntl_include_path" || test -n "$ntl_lib_path";
then
AC_MSG_FAILURE([--with-ntl-include or --with-ntl-lib was specified but --with-ntl=no.])
fi
elif test -z "$ntl_include_path" && test -z "$ntl_lib_path";
then
CPPFLAGS="$CPPFLAGS -I$withval/include"
LDFLAGS="$LDFLAGS -L$withval/lib"
ntl_include_path="$withval/include"
ntl_lib_path="$withval/lib"
with_ntl="yes"
else
AC_MSG_FAILURE([Cannot use --with-ntl along with --with-ntl-include or --with-ntl-lib.])
fi,
with_ntl="no"
)
if test "$with_ntl" != "no" || test -n "$ntl_include_path" || test -n "$ntl_lib_path";
then
with_ntl="yes"
fi
################################################################################
# architecture specifics
################################################################################
if test "$enable_fast_build" = "no";
then
gcc_cflags="-O3 "
fi
gcc_cflags="$gcc_cflags-pedantic -std=c11"
gcc_warnings="-Werror=implicit-function-declaration -Wall -Wno-stringop-overread -Wno-stringop-overflow -Wno-maybe-uninitialized"
dnl We only try to provide specifics for those systems that currently supports
dnl our assembly routines. If more combinations are wished for than what is
dnl specified, please open up an issue at
dnl <https://github.com/flintlib/flint/issues/> and we will consider it.
dnl
dnl For these systems we aim to provide:
dnl
dnl gcc_cflags flags for GCC-compatible compilers
dnl
dnl asm_path directory for assembly, relative to src/mpn_extras
dnl param_path directory for flint-mparam.h, relative to src/mpn_extras
dnl
dnl For x86_64 systems, we can also set:
dnl
dnl have_avx512 system has AVX512F and AVX512DQ (we assume this implies have_avx2)
dnl have_avx2 system has AVX2 and FMA
case $host in
ARM64_PATTERN)
gcc_cflags="$gcc_cflags"
gcc_cflags_optlist="arch tune"
asm_path="arm64"
param_path="arm64"
flint_cv_have_fft_small_arm_i="yes"
# NOTE: Cortex values where taken from
# https://developer.arm.com/Processors/Cortex-XXX
case $host_cpu in
armcortexa35 | armcortexa35neon)
gcc_cflags_arch="-march=armv8-a"
gcc_cflags_tune="-mtune=cortex-a35"
;;
armcortexa53 | armcortexa53neon)
gcc_cflags_arch="-march=armv8-a"
gcc_cflags_tune="-mtune=cortex-a53"
;;
armcortexa55 | armcortexa55neon)
gcc_cflags_arch="-march=armv8.2-a"
gcc_cflags_tune="-mtune=cortex-a55"
;;
armcortexa57 | armcortexa57neon)
gcc_cflags_arch="-march=armv8-a"
gcc_cflags_tune="-mtune=cortex-a57"
;;
armcortexa72 | armcortexa72neon)
gcc_cflags_arch="-march=armv8-a"
gcc_cflags_tune="-mtune=cortex-a72"
;;
armcortexa73 | armcortexa73neon)
gcc_cflags_arch="-march=armv8-a"
gcc_cflags_tune="-mtune=cortex-a73"
;;
armcortexa75 | armcortexa75neon)
gcc_cflags_arch="-march=armv8.2-a"
gcc_cflags_tune="-mtune=cortex-a75"
;;
armcortexa76 | armcortexa76neon)
gcc_cflags_arch="-march=armv8.2-a"
gcc_cflags_tune="-mtune=cortex-a76"
;;
armcortexa77 | armcortexa77neon)
gcc_cflags_arch="-march=armv8.2-a"
gcc_cflags_tune="-mtune=cortex-a77"
;;
armcortexa65 | armcortexa65neon)
gcc_cflags_arch="-march=armv8.2-a"
gcc_cflags_tune="-mtune=cortex-a65"
;;
armcortexa34 | armcortexa34neon)
gcc_cflags_arch="-march=armv8-a"
gcc_cflags_tune="-mtune=cortex-a34"
;;
armcortexa78 | armcortexa78neon)
gcc_cflags_arch="-march=armv8.2-a"
gcc_cflags_tune="-mtune=cortex-a78"
;;
armexynosm1)
gcc_cflags_arch="-march=armv8-a"
gcc_cflags_tune="-mtune=exynos-m1"
;;
armthunderx)
gcc_cflags_arch="-march=armv8-a"
gcc_cflags_tune="-mtune=thunderx"
;;
armxgene1)
gcc_cflags_arch="-march=armv8-a"
gcc_cflags_tune="-mtune=xgene1"
;;
applem1*)
gcc_cflags_arch="-march=armv8.5-a"
gcc_cflags_tune=""
;;
applem2*)
gcc_cflags_arch="-march=armv8.6-a"
gcc_cflags_tune=""
;;
applem3*)
gcc_cflags_arch="-march=armv8.6-a"
gcc_cflags_tune=""
;;
aarch64* | armv8*)
gcc_cflags_arch="-march=armv8-a"
gcc_cflags_tune=""
;;
*)
AC_MSG_ERROR([Error in deciding flags for $host.
Please report at <https://github.com/flintlib/flint/issues/>])
;;
esac
;;
X86_64_ADX_PATTERN)
gcc_cflags="$gcc_cflags"
gcc_cflags_optlist="arch"
asm_path="x86_64/broadwell"
param_path="x86_64/broadwell"
have_avx512="no"
have_avx2="yes"
case $host_cpu in
zen)
gcc_cflags_arch="-march=znver1"
param_path="x86_64/zen3"
;;
zen2)
gcc_cflags_arch="-march=znver2"
param_path="x86_64/zen3"
;;
zen3)
gcc_cflags_arch="-march=znver3"
param_path="x86_64/zen3"
;;
zen4)
gcc_cflags_arch="-march=znver4"
param_path="x86_64/zen4"
have_avx512="yes"
;;
coreibwl | broadwell)
gcc_cflags_arch="-march=broadwell"
param_path="x86_64/broadwell"
;;
skylake)
gcc_cflags_arch="-march=skylake"
param_path="x86_64/skylake"
;;
skylake_server)
gcc_cflags_arch="-march=skylake-avx512"
param_path="x86_64/skylake"
have_avx512="yes"
;;
cannonlake)
gcc_cflags_arch="-march=cannonlake"
param_path="x86_64/skylake"
have_avx512="yes"
;;
kabylake)
gcc_cflags_arch="-march=skylake"
param_path="x86_64/skylake"
;;
icelake)
gcc_cflags_arch="-march=icelake-client"
param_path="x86_64/icelake"
have_avx512="yes"
;;
icelake_server)
gcc_cflags_arch="-march=icelake-server"
param_path="x86_64/icelake"
have_avx512="yes"
;;
rocketlake)
gcc_cflags_arch="-march=rocketlake"
param_path="x86_64/skylake"
have_avx512="yes"
;;
tigerlake)
gcc_cflags_arch="-march=tigerlake"
param_path="x86_64/skylake"
have_avx512="yes"
;;
alderlake)
gcc_cflags_arch="-march=alderlake"
param_path="x86_64/skylake"
;;
raptorlake)
gcc_cflags_arch="-march=alderlake"
param_path="x86_64/skylake"
;;
knightslanding)
gcc_cflags_arch="-march=knl"
param_path="x86_64/skylake"
;;
sapphirerapids)
gcc_cflags_arch="-march=sapphirerapids"
param_path="x86_64/skylake"
have_avx512="yes"
;;
cometlake)
gcc_cflags_arch="-march=skylake"
param_path="x86_64/skylake"
;;
*)
AC_MSG_ERROR([Error in deciding flags for $host.
Please report at <https://github.com/flintlib/flint/issues/>])
;;
esac
case $host in
*-*-mingw* | *-*-msys | *-*-cygwin)
flint_nonstd_abi="yes"
asm_path=""
param_path="x86_64"
;;
esac
if test "$have_avx512" = "yes";
then
have_avx2="yes"
fi
if test "$have_avx2" = "yes";
then
flint_cv_have_fft_small_x86_i="yes"
fi
;;
X86_64_PATTERN)
# NOTE: We do not care if the user specifies noavx!
gcc_cflags="$gcc_cflags"
gcc_cflags_optlist="arch"
asm_path=""
param_path="x86_64"
case $host_cpu in
coreiibr | ivybridge)
gcc_cflags_arch="-march=ivybridge"
;;
coreihwl | haswell)
gcc_cflags_arch="-march=haswell"
;;
piledriver | bd2)
gcc_cflags_arch="-march=bdver2"
;;
steamroller | bd3)
gcc_cflags_arch="-march=bdver3"
;;
excavator | bd4)
gcc_cflags_arch="-march=bdver4"
have_avx2="yes"
;;
x86_64v3)
gcc_cflags_arch="-march=x86-64-v3"
have_avx2="yes"
;;
x86_64v4)
gcc_cflags_arch="-march=x86-64-v4"
have_avx512="yes"
;;
esac
if test "$have_avx512" = "yes";
then
have_avx2="yes"
fi
if test "$have_avx2" = "yes";
then
flint_cv_have_fft_small_x86_i="yes"
fi
;;
*)
asm_path=""
param_path="generic"
gcc_cflags="$gcc_cflags"
;;
esac
################################################################################
# programs
################################################################################
dnl NOTE: The following line is invoked from LT_INIT
dnl AC_PROG_CC
AC_PROG_MKDIR_P
FLINT_CC_IS_GCC
FLINT_CC_IS_CLANG
################################################################################
# environment variables
################################################################################
AC_ARG_VAR([TESTCFLAGS], [Choose different C compiler flags for tests [default=CFLAGS]. Can be useful to compile library at a specific optimization level while compiling tests fast.])
################################################################################
# check programs and system
################################################################################
AC_C_INLINE
if test "$compiler_c_o" = "no";
then
AC_MSG_ERROR([Compiler must support both -c and -o simultaneously!])
fi
AC_C_BIGENDIAN(flint_big_endian=yes)
case "$host_os" in
darwin*)
flint_lib="libflint.dylib"
flint_lib_major="libflint.$FLINT_MAJOR_SO.dylib"
flint_lib_full="libflint.$FLINT_MAJOR_SO.$FLINT_MINOR_SO.dylib"
extra_shared_flags="-install_name '`pwd`/$flint_lib_full' -compatibility_version $FLINT_MAJOR_SO.$FLINT_MINOR_SO -current_version $FLINT_MAJOR_SO.$FLINT_MINOR_SO.$FLINT_PATCH_SO"
flint_dylib="yes"
;;
cygwin|mingw*|msys)
flint_lib="libflint.dll"
flint_lib_major="libflint.$FLINT_MAJOR_SO.dll"
flint_lib_full="libflint.$FLINT_MAJOR_SO.$FLINT_MINOR_SO.$FLINT_PATCH_SO.dll"
flint_implib="$flint_lib.$libext"
extra_shared_flags="-static-libgcc $wl--export-all-symbols,--out-implib,$flint_implib"
flint_dlllib="yes"
;;
*)
flint_lib="libflint.so"
flint_lib_major="libflint.so.$FLINT_MAJOR_SO"
flint_lib_full="libflint.so.$FLINT_MAJOR_SO.$FLINT_MINOR_SO.$FLINT_PATCH_SO"
extra_shared_flags="$wl-soname,$flint_lib_major"
flint_solib="yes"
;;
esac
flint_lib_static="libflint.$libext"
if test "`uname -s`" = "android";
then
extra_shared_flags="$wl-soname,$flint_lib"
fi
AC_SUBST(WL,$wl)
AC_SUBST(FLINT_LIB,$flint_lib)
AC_SUBST(FLINT_LIB_MAJOR,$flint_lib_major)
AC_SUBST(FLINT_LIB_FULL,$flint_lib_full)
AC_SUBST(FLINT_IMPLIB,$flint_implib)
AC_SUBST(FLINT_LIB_STATIC,$flint_lib_static)
AC_SUBST(EXTRA_SHARED_FLAGS,$extra_shared_flags)
if test "$flint_dlllib" = "yes";
then
AC_SUBST(FLINT_DLLLIB,1)
else
AC_SUBST(FLINT_DLLLIB,0)
fi
if test "$flint_dylib" = "yes";
then
AC_SUBST(FLINT_DYLIB,1)
else
AC_SUBST(FLINT_DYLIB,0)
fi
if test "$flint_solib" = "yes";
then
AC_SUBST(FLINT_SOLIB,1)
else
AC_SUBST(FLINT_SOLIB,0)
fi
case "$host_os" in
cygwin|mingw*|msys)
if test "$DLLTOOL" = "false";
then
AC_MSG_ERROR(["Couldn't find any dlltool that is required to create import libraries for Windows-type systems."])
fi
;;
esac
dnl FIXME: Improve this check to include more processors.
AC_MSG_CHECKING([if memory is strongly-ordered])
case "$host" in
X86_PATTERN | X86_64_PATTERN)
flint_know_strong_order="yes"
AC_MSG_RESULT([yes])
;;
*)
flint_know_strong_order="no"
AC_MSG_RESULT([unsure])
;;
esac
if test "$flint_know_strong_order" = "yes";
then
AC_DEFINE(FLINT_KNOW_STRONG_ORDER,1,[Define if system is strongly ordered])
fi
################################################################################
# check GMP
################################################################################
FLINT_CHECK_GMP_H(6,2,1)
FLINT_GMP_LONG_LONG_LIMB([SLONG="long long int"
ULONG="unsigned long long int"
gmpcompat_h_in="gmpcompat-longlong.h.in"],
[SLONG="long int"
ULONG="unsigned long int"
gmpcompat_h_in="gmpcompat.h.in"])
AC_SUBST(SLONG)
AC_SUBST(ULONG)
if test "$flint_cv_gmp_long_long_limb" = "yes";
then
AC_DEFINE(FLINT_LONG_LONG,1,[Define to use long long limbs])
fi
AC_CONFIG_LINKS([src/gmpcompat.h:src/$gmpcompat_h_in],[],[gmpcompat_h_in="$gmpcompat_h_in"])
AC_SUBST(GMPCOMPAT_H_IN, $gmpcompat_h_in)
################################################################################
# check MPFR
################################################################################
FLINT_CHECK_MPFR_H(4,1,0)
################################################################################
# check ABI
################################################################################
FLINT_ABI
AC_DEFINE_UNQUOTED(FLINT_BITS,$flint_cv_abi,[Define according to the ABI FLINT was compiled with])
################################################################################
# check headers
################################################################################
# Mandatory headers
# The following headers are checked previously:
# stdio.h stdlib.h stdint.h string.h
AC_CHECK_HEADERS([stdarg.h math.h float.h errno.h],,
AC_MSG_ERROR([Could not find a mandatory header!]))
# Optional headers
# The following headers are checked previously:
# unistd.h
AC_CHECK_HEADERS([fenv.h alloca.h malloc.h sys/param.h windows.h pthread_np.h])
if test "$enable_pthread" = "yes";
then
AC_CHECK_HEADER([pthread.h],,
AC_MSG_ERROR([Could not find pthread.h!]))