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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/>.
*/]])
dnl TODO
dnl * Move more stuff to acinclude.m4 to debloat this file.
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
# NOTE: This must be after AC_INIT
FLINT_MAJOR_SO=19
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)
################################################################################
# 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 "${CXXFLAGS+x}";
then
cxxflags_set="yes"
else
cxxflags_set="no"
fi
LT_INIT
if test "$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")
# Synonym for thread-safe. Only here for say to users that it is deprecated.
AC_ARG_ENABLE(tls)
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 $enableval for --enable-mpfr-check. Need yes or no.])
;;
esac],
enable_mpfr_check="yes")
################################################################################
# packages
################################################################################
AC_ARG_WITH(gmp_include,
[AS_HELP_STRING([--with-gmp-include=DIR],[GMP include directory])],
CPPFLAGS="$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
################################################################################
# programs
################################################################################
dnl NOTE: The following line is invoked from LT_INIT
dnl AC_PROG_CC
if test "$with_ntl" = "yes";
then
AC_PROG_CXX
AC_LANG_PUSH(C++)
if test "$cxxflags_set" = "no";
then
AX_CXX_CHECK_COMPILE_FLAG([-Wall],[CXXFLAGS="-Wall $CXXFLAGS"])
AX_CXX_CHECK_COMPILE_FLAG([-Werror=implicit-function-declaration],[CXXFLAGS="-Werror=implicit-function-declaration $CXXFLAGS"])
AX_CXX_CHECK_COMPILE_FLAG([-O2],[CXXFLAGS="-O2 $CXXFLAGS"])
if test "$host" = "$build";
then
AX_CXX_CHECK_COMPILE_FLAG([-march=native],[CXXFLAGS="-march=native $CXXFLAGS"])
fi
AX_CXX_CHECK_COMPILE_FLAG([-std=c++11],[CXXFLAGS="-std=c++11 $CXXFLAGS"],
AC_MSG_ERROR([Couldn't compile with the C++11 standard needed by the NTL interface.])
)
if test "$enable_debug" = "yes";
then
if "$ac_cv_prog_cxx_g" = "yes";
then
CXXFLAGS="-g $CXXFLAGS"
else
AC_MSG_ERROR([$CXX does not support the flag -g needed to generate debug information])
fi
fi
fi
AC_LANG_POP
fi
AC_PROG_MKDIR_P
################################################################################
# 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 "$DLLTOOL" = "false";
then
AC_MSG_ERROR(["Couldn't find any dlltool that is required to create import libraries for Windows-type systems."])
fi
;;
esac
AC_MSG_CHECKING(for ldconfig)
LDCONFIG_N=""
case "$build_os" in
linux*android*)
;;
linux* | k*bsd*-gnu | gnu*)
LDCONFIG_N="/sbin/ldconfig -n"
;;
netbsd* | openbsd*)
dnl LDCONFIG_N="/sbin/ldconfig -m"
;;
esac
if test "x$LDCONFIG_N" = "x";
then
ldconfig_res="skipped"
else
ldconfig_res="$LDCONFIG_N"
fi
AC_MSG_RESULT($ldconfig_res)
AC_SUBST(LDCONFIG_N)
dnl FIXME: Improve this check to include more processors.
AC_MSG_CHECKING([if memory is strongly-ordered])
case "$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 "$flint_know_strong_order" = "yes";
then
AC_DEFINE(FLINT_KNOW_STRONG_ORDER,1,[Define if system is strongly ordered])
fi
################################################################################
# check GMP
################################################################################
FLINT_CHECK_GMP_H(6,2,1)
FLINT_GMP_LONG_LONG_LIMB([gmpcompat_h_in="gmpcompat-longlong.h.in"],
[gmpcompat_h_in="gmpcompat.h.in"])
AC_CONFIG_FILES([src/gmpcompat.h:src/$gmpcompat_h_in],[],[gmpcompat_h_in="$gmpcompat_h_in"])
AC_SUBST(GMPCOMPAT_H_IN, $gmpcompat_h_in)
################################################################################
# check MPFR
################################################################################
FLINT_CHECK_MPFR_H(4,1,0)
################################################################################
# check ABI
################################################################################
FLINT_ABI
case "$flint_cv_abi" in
32)
fft_tuning_in="src/fft_tuning32.in"
;;
64)
fft_tuning_in="src/fft_tuning64.in"
;;
esac
AC_CONFIG_FILES([src/fft_tuning.h:$fft_tuning_in],[],[fft_tuning_in="$fft_tuning_in"])
AC_SUBST(FFT_TUNING_IN, $fft_tuning_in)
################################################################################
# check headers
################################################################################
# Mandatory headers
# The following headers are checked previously:
# stdio.h stdlib.h stdint.h string.h
AC_CHECK_HEADERS([stdarg.h math.h float.h errno.h],,
AC_MSG_ERROR([Could not find a mandatory header!]))
# Optional headers
# The following headers are checked previously:
# unistd.h
AC_CHECK_HEADERS([fenv.h alloca.h malloc.h sys/param.h windows.h pthread_np.h])
if test "$enable_pthread" = "yes";
then
AC_CHECK_HEADER([pthread.h],,
AC_MSG_ERROR([Could not find pthread.h!]))
fi
if test "$enable_assert" = "yes";
then
AC_CHECK_HEADER([assert.h],,
AC_MSG_ERROR([Could not find assert.h!]))
fi
if test "$with_blas" = "yes";
then
AC_CHECK_HEADER([cblas.h],,
AC_MSG_ERROR([Could not find cblas.h!]))
fi
if test "$with_gc" = "yes";
then
AC_CHECK_HEADER([gc.h],,
AC_MSG_ERROR([Could not find gc.h!]))
fi
if test "$with_ntl" = "yes";
then
AC_LANG_PUSH([C++])
AC_CHECK_HEADER([NTL/ZZ.h],,
AC_MSG_ERROR([Could not find NTL/ZZ.h!]))
AC_LANG_POP([C++])
fi
################################################################################
# check libraries
################################################################################
AC_SEARCH_LIBS([atan2],[m],
[],
[AC_MSG_ERROR(["The C math library was not found!"])])
AC_SEARCH_LIBS([__gmpz_init],[gmp],
[],
[AC_MSG_ERROR(["GMP library was not found. If you indeed have GMP installed, please
submit a bug report to <https://github.com/flintlib/flint/issues/> so
that we can either fix the issue or give a more proper error message."])])
if test "$enable_gmp_internals" = "yes";
then
AC_SEARCH_LIBS([__gmpn_gcd_11],[gmp],
[],
[AC_MSG_ERROR(["`mpn_gcd_11' was not found in the GMP library. It is needed to enable GMP
internals."])])
AC_SEARCH_LIBS([__gmpn_div_q],[gmp],
[],
[AC_MSG_ERROR([`mpn_div_q' was not found in the GMP library. It is needed to enable GMP
internals.])])
AC_SEARCH_LIBS([__gmpn_mul_basecase],[gmp],
[],
[AC_MSG_ERROR([`mpn_mul_basecase' was not found in the GMP library. It is needed to enable GMP
internals.])])
AC_SEARCH_LIBS([__gmpn_modexact_1_odd],[gmp],
[AC_DEFINE(FLINT_HAVE_MPN_MODEXACT_1_ODD,1,Define if system has mpn_modexact_1_odd)])
AC_SEARCH_LIBS([__gmpn_addmul_2],[gmp],
[AC_DEFINE(FLINT_HAVE_MPN_ADDMUL_2,1,Define if GMP has mpn_addmul_2)])
fi
if test "$enable_mpfr_check" = "yes";
then
AC_SEARCH_LIBS([mpfr_init],[mpfr],
[],
[AC_MSG_ERROR([MPFR library was not found. If you indeed have MPFR installed, please
submit a bug report to <https://github.com/flintlib/flint/issues/> so
that we can either fix the issue or give a more proper error message.])])
AC_SEARCH_LIBS([mpfr_round_p],[mpfr],
[],
[AC_MSG_ERROR(["`mpfr_round_p' was not found in the MPFR library. It is required for FLINT."])])
AC_SEARCH_LIBS([mpfr_mulhigh_n],[mpfr],
[],
[AC_MSG_ERROR(["`mpfr_mulhigh_n' was not found in the MPFR library. It is required for FLINT."])])
AC_SEARCH_LIBS([mpfr_sqrhigh_n],[mpfr],
[],
[AC_MSG_ERROR(["`mpfr_sqrhigh_n' was not found in the MPFR library. It is required for FLINT."])])
else
LIBS="$LIBS -lmpfr"
fi
if test "$enable_pthread" = "yes";
then
# check if compiler accepts the preferred -pthread
AX_CHECK_COMPILE_FLAG([-pthread],
[LIBS="-pthread $LIBS"],
# check if the compiler can do -lpthread
AC_SEARCH_LIBS([pthread_create],[pthread],
[],
AC_MSG_ERROR([Couldn't link against POSIX threads via -pthread or -lpthread while
--enable-pthread was specified.])
)
)
fi
if test "$with_blas" = "yes";
then
AC_SEARCH_LIBS([cblas_dgemm],[cblas openblas blas],[],
[AC_MSG_ERROR([BLAS library was not found. If you indeed have BLAS installed, please
submit a bug report to <https://github.com/flintlib/flint/issues/> so
that we can either fix the issue or give a more proper error message.])]
)
fi
if test "$with_ntl" = "yes";
then
AC_MSG_CHECKING([if linking simple code snippet of NTL works])
SAVE_libs="$LIBS"
LIBS="-lntl $LIBS"
AC_LANG_PUSH([C++])
dnl The following code snippet was taken from NTL's documentation
AC_LINK_IFELSE(
[AC_LANG_PROGRAM([[#include <NTL/ZZ.h>]],
[NTL::ZZ a, b, c;
std::cin >> a;
std::cin >> b;
c = (a+1)*(b+1);
std::cout << c << "\n";])],
AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
[AC_MSG_ERROR([NTL library was not found. If you indeed have NTL installed, please
submit a bug report to <https://github.com/flintlib/flint/issues/> so
that we can either fix the issue or give a more proper error message.])]
)
AC_LANG_POP
LIBS="$SAVE_libs"
fi
################################################################################
# check settings and environment
################################################################################
AC_SUBST(PIC_FLAG,$pic_flag)
AC_MSG_CHECKING([if cpu_set_t is supported])
AC_LINK_IFELSE([AC_LANG_PROGRAM([#define _GNU_SOURCE
#include <sched.h>
#include <pthread.h>],
[cpu_set_t s;CPU_ZERO(&s); pthread_getaffinity_np(pthread_self(), sizeof(cpu_set_t), 0);])],
[AC_DEFINE(FLINT_USES_CPUSET,1,Define if system has cpu_set_t)
AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])])
# ensure alloca works
AC_MSG_CHECKING([if alloca works])
AC_LINK_IFELSE([AC_LANG_PROGRAM(
[#ifndef alloca
# ifdef __GNUC__
# define alloca __builtin_alloca
# else
# ifdef _MSC_VER
# include <malloc.h>
# define alloca _alloca
# else
# include <alloca.h> /* We assume then that you have alloca.h */
# endif
# endif
#endif],
[char * p = alloca(128);])],
[AC_MSG_RESULT([yes])],
[AC_MSG_RESULT([no])
AC_MSG_ERROR([Couldn't find alloca, which is required for FLINT. Please submit a bug
report to <https://github.com/flintlib/flint/issues/> and specify your
operating system.])])
################################################################################
# CFLAGS
################################################################################
save_CFLAGS="$CFLAGS"
CFLAGS=""
# The following is needed for Clang to check for unknown options.
AX_CHECK_COMPILE_FLAG([-Werror=unknown-warning-option], [CFLAGS="-Werror=unknown-warning-option"])
if test "$enable_coverage" = "yes";
then
AX_CHECK_COMPILE_FLAG([--coverage],
[save_CFLAGS="--coverage $save_CFLAGS"],
[AC_MSG_ERROR([$CC does not to support test coverage flags])])
LDFLAGS="--coverage $LDFLAGS"
if test "$enable_pthread" = "yes";
then
AX_CHECK_COMPILE_FLAG([-fprofile-update=atomic],
[save_CFLAGS="-fprofile-update=atomic $save_CFLAGS"],
[AC_MSG_ERROR([$CC does not to support multi-threaded test coverage flags])])
fi
fi
if test "$enable_debug" = "yes";
then
if test "$ac_cv_prog_cc_g" = "yes";
then
save_CFLAGS="-g $save_CFLAGS"
else
AC_MSG_ERROR([$CC does not support the flag -g needed to generate debug information])
fi
fi
if test -n "$ABI";
then
AX_CHECK_COMPILE_FLAG([-m$ABI],
[save_CFLAGS="-m$ABI $save_CFLAGS"],
[AC_MSG_ERROR([$CC does not support the ABI flag -m$ABI])]
)
fi
if test "$enable_avx2" = "yes";
then
AX_CHECK_COMPILE_FLAG([-mavx2],
[save_CFLAGS="-mavx2 $save_CFLAGS"
AC_DEFINE(FLINT_HAVE_AVX2,1,[Define if system has AVX2])],
[AC_MSG_ERROR([$CC does not support the flag -mavx2 needed for AVX2 instructions])])
AX_CHECK_COMPILE_FLAG([-mfma], [save_CFLAGS="-mfma $save_CFLAGS"])
fi
if test "$enable_avx512" = "yes";
then
AX_CHECK_COMPILE_FLAG([-mavx512f],
[save_CFLAGS="-mavx512f $save_CFLAGS"
AC_DEFINE(FLINT_HAVE_AVX512,1,[Define if system has AVX512])],
[AC_MSG_ERROR([$CC does not support the flag -mavx512f needed for AVX512 instructions])])
fi
case $host_cpu in
sparc*)
AX_CHECK_COMPILE_FLAG(-mno-relax,[DEFAULT_CFLAGS="-mno-relax $DEFAULT_CFLAGS"])
;;
*)
;;
esac
AX_CHECK_COMPILE_FLAG([-Wall],[DEFAULT_CFLAGS="-Wall $DEFAULT_CFLAGS"])
AX_CHECK_COMPILE_FLAG([-Wno-stringop-overread],[DEFAULT_CFLAGS="-Wno-stringop-overread $DEFAULT_CFLAGS"])
AX_CHECK_COMPILE_FLAG([-Wno-stringop-overflow],[DEFAULT_CFLAGS="-Wno-stringop-overflow $DEFAULT_CFLAGS"])
AX_CHECK_COMPILE_FLAG([-Werror=implicit-function-declaration],[DEFAULT_CFLAGS="-Werror=implicit-function-declaration $DEFAULT_CFLAGS"])
AX_CHECK_COMPILE_FLAG([-O3],[DEFAULT_CFLAGS="-O3 $DEFAULT_CFLAGS"])
if test "$host" = "$build";
then
AX_CHECK_COMPILE_FLAG([-march=native],[DEFAULT_CFLAGS="-march=native $DEFAULT_CFLAGS"])
fi
AX_CHECK_COMPILE_FLAG([-std=c11],[DEFAULT_CFLAGS="-std=c11 $DEFAULT_CFLAGS"])
AX_CHECK_COMPILE_FLAG([-pedantic],[DEFAULT_CFLAGS="-pedantic $DEFAULT_CFLAGS"])
if test "$cflags_set" = "no";
then
CFLAGS="$save_CFLAGS $DEFAULT_CFLAGS"
AC_SUBST(UNROLL_LOOPS,1)
AC_DEFINE(FLINT_UNROLL_LOOPS, 1, [Define to locally unroll some loops])
else
CFLAGS="$save_CFLAGS"
AX_CHECK_COMPILE_FLAG([$CFLAGS],[],AC_MSG_ERROR(["Couldn't compile with given CFLAGS!"]))
AC_SUBST(UNROLL_LOOPS,0)
fi
if test "$testcflags_set" = "no";
then
TESTCFLAGS="$CFLAGS"
else
TESTCFLAGS="$TESTCFLAGS $save_CFLAGS"
fi
CPPFLAGS="-I./src $CPPFLAGS"
################################################################################
# Architecture
################################################################################
FLINT_ARCH
################################################################################
# fft_small module
################################################################################
FLINT_CHECK_FFT_SMALL(
[AC_SUBST(FFT_SMALL, [fft_small\ \ \ ])
AC_DEFINE(FLINT_HAVE_FFT_SMALL, 1, [Define to use the fft_small module])
case $flint_cv_arch in