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Grid/configure.ac
Antonin Portelli 4a7f3d1b7b Merge branch 'master' into hadrons 
# Conflicts:
#	configure
2015-12-02 10:57:51 +00:00

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# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
#
# Project Grid package
#
# Time-stamp: <2015-07-10 17:46:21 neo>
AC_PREREQ([2.63])
AC_INIT([Grid], [1.0], [paboyle@ph.ed.ac.uk])
AC_CANONICAL_SYSTEM
AM_INIT_AUTOMAKE(subdir-objects)
AC_CONFIG_MACRO_DIR([m4])
AC_CONFIG_SRCDIR([lib/Grid.h])
AC_CONFIG_HEADERS([lib/Config.h])
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_MSG_NOTICE([
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
Configuring $PACKAGE v$VERSION for $host
:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::
])
# Checks for programs.
AC_LANG(C++)
AC_PROG_CXX
AC_OPENMP
AC_PROG_RANLIB
#AX_CXX_COMPILE_STDCXX_11(noext, mandatory)
AX_EXT
# Checks for libraries.
#AX_GCC_VAR_ATTRIBUTE(aligned)
# Checks for header files.
AC_CHECK_HEADERS(stdint.h)
AC_CHECK_HEADERS(mm_malloc.h)
AC_CHECK_HEADERS(malloc/malloc.h)
AC_CHECK_HEADERS(malloc.h)
AC_CHECK_HEADERS(endian.h)
AC_CHECK_HEADERS(execinfo.h)
AC_CHECK_HEADERS(gmp.h)
AC_CHECK_DECLS([ntohll],[], [], [[#include <arpa/inet.h>]])
AC_CHECK_DECLS([be64toh],[], [], [[#include <arpa/inet.h>]])
# Checks for typedefs, structures, and compiler characteristics.
AC_TYPE_SIZE_T
AC_TYPE_UINT32_T
AC_TYPE_UINT64_T
# Checks for library functions.
echo
echo Checking libraries
echo :::::::::::::::::::::::::::::::::::::::::::
AC_CHECK_FUNCS([gettimeofday])
#AC_CHECK_LIB([gmp],[__gmpf_init],,
# [AC_MSG_ERROR(GNU Multiple Precision GMP library was not found in your system.
#Please install or provide the correct path to your installation
#Info at: http://www.gmplib.org)])
#AC_CHECK_LIB([mpfr],[mpfr_init],,
# [AC_MSG_ERROR(GNU Multiple Precision MPFR library was not found in your system.
#Please install or provide the correct path to your installation
#Info at: http://www.mpfr.org/)])
AC_ARG_ENABLE([simd],[AC_HELP_STRING([--enable-simd=SSE4|AVX|AVXFMA4|AVX2|AVX512|IMCI],\
[Select instructions to be SSE4.0, AVX 1.0, AVX 2.0+FMA, AVX 512, IMCI])],\
[ac_SIMD=${enable_simd}],[ac_SIMD=AVX2])
supported=no
case ${ac_SIMD} in
SSE4)
echo Configuring for SSE4
AC_DEFINE([SSE4],[1],[SSE4 Intrinsics] )
if test x"$ax_cv_support_ssse3_ext" = x"yes"; then dnl minimal support for SSE4
supported=yes
else
AC_MSG_WARN([Your processor does not support SSE4 instructions])
fi
;;
AVX)
echo Configuring for AVX
AC_DEFINE([AVX1],[1],[AVX Intrinsics] )
if test x"$ax_cv_support_avx_ext" = x"yes"; then dnl minimal support for AVX
supported=yes
else
AC_MSG_WARN([Your processor does not support AVX instructions])
fi
;;
AVXFMA4)
echo Configuring for AVX
AC_DEFINE([AVXFMA4],[1],[AVX Intrinsics with FMA4] )
if test x"$ax_cv_support_avx_ext" = x"yes"; then dnl minimal support for AVX
supported=yes
else
AC_MSG_WARN([Your processor does not support AVX instructions])
fi
;;
AVX2)
echo Configuring for AVX2
AC_DEFINE([AVX2],[1],[AVX2 Intrinsics] )
if test x"$ax_cv_support_avx2_ext" = x"yes"; then dnl minimal support for AVX2
supported=yes
else
AC_MSG_WARN([Your processor does not support AVX2 instructions])
fi
;;
AVX512)
echo Configuring for AVX512
AC_DEFINE([AVX512],[1],[AVX512 Intrinsics for Knights Landing] )
supported="cross compilation"
;;
IMCI)
echo Configuring for IMCI
AC_DEFINE([IMCI],[1],[IMCI Intrinsics for Knights Corner] )
supported="cross compilation"
;;
NEONv8)
echo Configuring for experimental ARMv8a support
AC_DEFINE([NEONv8],[1],[NEON ARMv8 Experimental support ] )
supported="cross compilation"
;;
DEBUG)
echo Configuring without SIMD support - only for compiler DEBUGGING!
AC_DEFINE([EMPTY_SIMD],[1],[EMPTY_SIMD only for DEBUGGING] )
;;
*)
AC_MSG_ERROR([${ac_SIMD} flag unsupported as --enable-simd option\nRun ./configure --help for the list of options]);
;;
esac
AC_ARG_ENABLE([precision],[AC_HELP_STRING([--enable-precision=single|double],[Select default word size of Real])],[ac_PRECISION=${enable_precision}],[ac_PRECISION=double])
case ${ac_PRECISION} in
single)
echo default precision is single
AC_DEFINE([GRID_DEFAULT_PRECISION_SINGLE],[1],[GRID_DEFAULT_PRECISION is SINGLE] )
;;
double)
echo default precision is double
AC_DEFINE([GRID_DEFAULT_PRECISION_DOUBLE],[1],[GRID_DEFAULT_PRECISION is DOUBLE] )
;;
esac
AC_ARG_ENABLE([comms],[AC_HELP_STRING([--enable-comms=none|mpi],[Select communications])],[ac_COMMS=${enable_comms}],[ac_COMMS=none])
case ${ac_COMMS} in
none)
echo Configuring for NO communications
AC_DEFINE([GRID_COMMS_NONE],[1],[GRID_COMMS_NONE] )
;;
mpi)
echo Configuring for MPI communications
AC_DEFINE([GRID_COMMS_MPI],[1],[GRID_COMMS_MPI] )
;;
*)
AC_MSG_ERROR([${ac_COMMS} unsupported --enable-comms option]);
;;
esac
AM_CONDITIONAL(BUILD_COMMS_MPI,[ test "X${ac_COMMS}X" == "XmpiX" ])
AM_CONDITIONAL(BUILD_COMMS_NONE,[ test "X${ac_COMMS}X" == "XnoneX" ])
###################################################################
# Checks for doxygen support
# if present enables the "make doxyfile" command
#echo
#echo Checking doxygen support
#echo :::::::::::::::::::::::::::::::::::::::::::
#AC_PROG_DOXYGEN
#if test -n "$DOXYGEN"
#then
#AC_CONFIG_FILES([docs/doxy.cfg])
#fi
echo
echo Creating configuration files
echo :::::::::::::::::::::::::::::::::::::::::::
AC_CONFIG_FILES(Makefile)
AC_CONFIG_FILES(lib/Makefile)
AC_CONFIG_FILES(tests/Makefile)
AC_CONFIG_FILES(benchmarks/Makefile)
AC_CONFIG_FILES(programs/Makefile)
AC_CONFIG_FILES(programs/Hadrons/Makefile)
AC_OUTPUT
echo "
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Summary of configuration for $PACKAGE v$VERSION
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The following features are enabled:
- architecture (build) : $build_cpu
- os (build) : $build_os
- architecture (target) : $target_cpu
- os (target) : $target_os
- build DOXYGEN documentation : `if test "x$enable_doc" = xyes; then echo yes; else echo no; fi`
- graphs and diagrams : `if test "x$enable_dot" = xyes; then echo yes; else echo no; fi`
- Supported SIMD flags : $SIMD_FLAGS
----------------------------------------------------------
- enabled simd support : ${ac_SIMD} (supported: $supported )
- communications type : ${ac_COMMS}
"
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