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dnl
dnl acx_openblas.m4
dnl
dnl Figure out if the OpenBLAS library and header files are installed.
dnl
dnl %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
dnl
dnl This file part of: AstrOmatic software
dnl
dnl Copyright: (C) 2016 IAP/CNRS/UPMC
dnl
dnl License: GNU General Public License
dnl
dnl AstrOmatic software is free software: you can redistribute it and/or
dnl modify it under the terms of the GNU General Public License as
dnl published by the Free Software Foundation, either version 3 of the
dnl License, or (at your option) any later version.
dnl AstrOmatic software is distributed in the hope that it will be useful,
dnl but WITHOUT ANY WARRANTY; without even the implied warranty of
dnl MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
dnl GNU General Public License for more details.
dnl You should have received a copy of the GNU General Public License
dnl along with AstrOmatic software.
dnl If not, see <http://www.gnu.org/licenses/>.
dnl
dnl Last modified: 12/10/2016
dnl
dnl %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
dnl
dnl @synopsis ACX_OPENBLAS([OPENBLAS_LIBSDIR, OPENBLAS_INCDIR, OPENBLAS_PFLAG,
dnl ILP64_FLAG, [ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]])
dnl
dnl You may wish to use these variables in your default LIBS:
dnl
dnl LIBS="$OPENBLAS_LIBS $LIBS"
dnl
dnl ACTION-IF-FOUND is a list of shell commands to run if OPENBLAS
dnl is found (HAVE_OPENBLAS is defined first), and ACTION-IF-NOT-FOUND
dnl is a list of commands to run it if it is not found.
AC_DEFUN([ACX_OPENBLAS], [
AC_REQUIRE([AC_CANONICAL_HOST])
dnl --------------------
dnl Search include files
dnl --------------------
OPENBLAS_ERROR=""
if test x$2 = x; then
[acx_openblas_incdir="openblas/"]
AC_CHECK_HEADERS(
[${acx_openblas_incdir}cblas.h ${acx_openblas_incdir}lapacke.h],,
[
[acx_openblas_incdir=""]
AC_CHECK_HEADER(
[cblas.h lapacke.h],,
[OPENBLAS_ERROR="OpenBLAS header files not found!"]
)
]
)
else
acx_openblas_incdir="$2/"
AC_CHECK_HEADER(
[${acx_openblas_incdir}cblas.h],,
[
[acx_openblas_incdir="$2/include/"]
AC_CHECK_HEADERS(
[${acx_openblas_incdir}cblas.h ${acx_openblas_incdir}lapacke.h],,
[OPENBLAS_ERROR="OpenBLAS header files not found in "$2"!"]
)]
)
fi
if test "x$OPENBLAS_ERROR" = "x"; then
AC_DEFINE_UNQUOTED(BLAS_H, "${acx_openblas_incdir}cblas.h", [BLAS header filename.])
AC_DEFINE_UNQUOTED(LAPACKE_H, "${acx_openblas_incdir}lapacke.h", [LAPACKe header filename.])
dnl ----------------------------
dnl Search OpenBLAS library file
dnl ----------------------------
OLIBS="$LIBS"
LIBS=""
if test x$4 = xyes; then
acx_openblas_suffix="64"
OPENBLAS_CFLAGS="-DOPENBLAS_USE64BITINT -DLAPACK_ILP64"
else
acx_openblas_suffix=""
OPENBLAS_CFLAGS=""
fi
if test x$1 = x; then
acx_openblas_libopt=""
else
acx_openblas_libopt="-L$1"
fi
if test x$3 == xyes; then
AC_SEARCH_LIBS(
[LAPACKE_dpotrf], ["openblasp"$acx_openblas_suffix],
AC_DEFINE(HAVE_OPENBLASP,1,
[Define if you have the OpenBLAS parallel library and header files.]),
unset ac_cv_search_LAPACKE_dpotrf
[AC_SEARCH_LIBS(
[LAPACKE_dpotrf], ["openblas"$acx_openblas_suffix],
[OPENBLAS_WARN="parallel OpenBLAS"$acx_openblas_suffix" not found, reverting to scalar OpenBLAS"$acx_openblas_suffix"!"],
[OPENBLAS_ERROR="OpenBLAS"$acx_openblas_suffix" library file not found!"],
$acx_openblas_libopt
)],
$acx_openblas_libopt
)
else
AC_SEARCH_LIBS(
[LAPACKE_dpotrf], ["openblas"$acx_openblas_suffix],,
[OPENBLAS_ERROR="OpenBLAS"$acx_openblas_suffix" library file not found!"],
$acx_openblas_libopt
)
fi
LIBS="$OLIBS"
fi
dnl -------------------------------------------------------------------------
dnl Finally execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND
dnl -------------------------------------------------------------------------
if test "x$OPENBLAS_ERROR" = "x"; then
AC_DEFINE(HAVE_OPENBLAS,1, [Define if you have the OpenBLAS library and header files.])
AC_DEFINE(HAVE_BLAS,1, [Define if you have the BLAS library and header files.])
AC_DEFINE(HAVE_LAPACKE,1, [Define if you have the LAPACKe library and header files.])
OPENBLAS_LIBS="$acx_openblas_libopt $ac_cv_search_LAPACKE_dpotrf"
AC_SUBST(OPENBLAS_CFLAGS)
AC_SUBST(OPENBLAS_LDFLAGS, "")
AC_SUBST(OPENBLAS_LIBS)
AC_SUBST(OPENBLAS_WARN)
$5
else
AC_SUBST(OPENBLAS_ERROR)
$6
fi
])dnl ACX_OPENBLAS
|
