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[build] autoconf adaptions for new files and targets and update depen…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| # =========================================================================== | ||
| # https://www.gnu.org/software/autoconf-archive/ax_openmp.html | ||
| # =========================================================================== | ||
| # | ||
| # SYNOPSIS | ||
| # | ||
| # AX_OPENMP([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]) | ||
| # | ||
| # DESCRIPTION | ||
| # | ||
| # This macro tries to find out how to compile programs that use OpenMP a | ||
| # standard API and set of compiler directives for parallel programming | ||
| # (see http://www-unix.mcs/) | ||
| # | ||
| # On success, it sets the OPENMP_CFLAGS/OPENMP_CXXFLAGS/OPENMP_F77FLAGS | ||
| # output variable to the flag (e.g. -omp) used both to compile *and* link | ||
| # OpenMP programs in the current language. | ||
| # | ||
| # NOTE: You are assumed to not only compile your program with these flags, | ||
| # but also link it with them as well. | ||
| # | ||
| # If you want to compile everything with OpenMP, you should set: | ||
| # | ||
| # CFLAGS="$CFLAGS $OPENMP_CFLAGS" | ||
| # #OR# CXXFLAGS="$CXXFLAGS $OPENMP_CXXFLAGS" | ||
| # #OR# FFLAGS="$FFLAGS $OPENMP_FFLAGS" | ||
| # | ||
| # (depending on the selected language). | ||
| # | ||
| # The user can override the default choice by setting the corresponding | ||
| # environment variable (e.g. OPENMP_CFLAGS). | ||
| # | ||
| # ACTION-IF-FOUND is a list of shell commands to run if an OpenMP flag is | ||
| # found, and ACTION-IF-NOT-FOUND is a list of commands to run it if it is | ||
| # not found. If ACTION-IF-FOUND is not specified, the default action will | ||
| # define HAVE_OPENMP. | ||
| # | ||
| # LICENSE | ||
| # | ||
| # Copyright (c) 2008 Steven G. Johnson <stevenj@alum.mit.edu> | ||
| # Copyright (c) 2015 John W. Peterson <jwpeterson@gmail.com> | ||
| # Copyright (c) 2016 Nick R. Papior <nickpapior@gmail.com> | ||
| # | ||
| # This program is free software: you can redistribute it and/or modify it | ||
| # under the terms of the GNU General Public License as published by the | ||
| # Free Software Foundation, either version 3 of the License, or (at your | ||
| # option) any later version. | ||
| # | ||
| # This program 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 a copy of the GNU General Public License along | ||
| # with this program. If not, see <https://www.gnu.org/licenses/>. | ||
| # | ||
| # As a special exception, the respective Autoconf Macro's copyright owner | ||
| # gives unlimited permission to copy, distribute and modify the configure | ||
| # scripts that are the output of Autoconf when processing the Macro. You | ||
| # need not follow the terms of the GNU General Public License when using | ||
| # or distributing such scripts, even though portions of the text of the | ||
| # Macro appear in them. The GNU General Public License (GPL) does govern | ||
| # all other use of the material that constitutes the Autoconf Macro. | ||
| # | ||
| # This special exception to the GPL applies to versions of the Autoconf | ||
| # Macro released by the Autoconf Archive. When you make and distribute a | ||
| # modified version of the Autoconf Macro, you may extend this special | ||
| # exception to the GPL to apply to your modified version as well. | ||
|
|
||
| #serial 13 | ||
|
|
||
| AC_DEFUN([AX_OPENMP], [ | ||
| AC_PREREQ([2.69]) dnl for _AC_LANG_PREFIX | ||
| AC_CACHE_CHECK([for OpenMP flag of _AC_LANG compiler], ax_cv_[]_AC_LANG_ABBREV[]_openmp, [save[]_AC_LANG_PREFIX[]FLAGS=$[]_AC_LANG_PREFIX[]FLAGS | ||
| ax_cv_[]_AC_LANG_ABBREV[]_openmp=unknown | ||
| # Flags to try: -fopenmp (gcc), -mp (SGI & PGI), | ||
| # -qopenmp (icc>=15), -openmp (icc), | ||
| # -xopenmp (Sun), -omp (Tru64), | ||
| # -qsmp=omp (AIX), | ||
| # none | ||
| ax_openmp_flags="-fopenmp -openmp -qopenmp -mp -xopenmp -omp -qsmp=omp none" | ||
| if test "x$OPENMP_[]_AC_LANG_PREFIX[]FLAGS" != x; then | ||
| ax_openmp_flags="$OPENMP_[]_AC_LANG_PREFIX[]FLAGS $ax_openmp_flags" | ||
| fi | ||
| for ax_openmp_flag in $ax_openmp_flags; do | ||
| case $ax_openmp_flag in | ||
| none) []_AC_LANG_PREFIX[]FLAGS=$save[]_AC_LANG_PREFIX[] ;; | ||
| *) []_AC_LANG_PREFIX[]FLAGS="$save[]_AC_LANG_PREFIX[]FLAGS $ax_openmp_flag" ;; | ||
| esac | ||
| AC_LINK_IFELSE([AC_LANG_SOURCE([[ | ||
| @%:@include <omp.h> | ||
| static void | ||
| parallel_fill(int * data, int n) | ||
| { | ||
| int i; | ||
| @%:@pragma omp parallel for | ||
| for (i = 0; i < n; ++i) | ||
| data[i] = i; | ||
| } | ||
| int | ||
| main() | ||
| { | ||
| int arr[100000]; | ||
| omp_set_num_threads(2); | ||
| parallel_fill(arr, 100000); | ||
| return 0; | ||
| } | ||
| ]])],[ax_cv_[]_AC_LANG_ABBREV[]_openmp=$ax_openmp_flag; break],[]) | ||
| done | ||
| []_AC_LANG_PREFIX[]FLAGS=$save[]_AC_LANG_PREFIX[]FLAGS | ||
| ]) | ||
| if test "x$ax_cv_[]_AC_LANG_ABBREV[]_openmp" = "xunknown"; then | ||
| m4_default([$2],:) | ||
| else | ||
| if test "x$ax_cv_[]_AC_LANG_ABBREV[]_openmp" != "xnone"; then | ||
| OPENMP_[]_AC_LANG_PREFIX[]FLAGS=$ax_cv_[]_AC_LANG_ABBREV[]_openmp | ||
| fi | ||
| m4_default([$1], [AC_DEFINE(HAVE_OPENMP,1,[Define if OpenMP is enabled])]) | ||
| fi | ||
| ])dnl AX_OPENMP |
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