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dnl
dnl acx_atlas.m4
dnl
dnl Figure out if the ATLAS library and header files are installed.
dnl
dnl %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
dnl
dnl This file part of: AstrOmatic software
dnl
dnl Copyright: (C) 2003-2010 Emmanuel Bertin -- 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: 10/10/2010
dnl
dnl %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
dnl
dnl @synopsis ACX_ATLAS([ATLAS_LIBDIR, ATLAS_INCDIR, ATLAS_PFLAG,
dnl [ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]]])
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dnl You may wish to use these variables in your default LIBS:
dnl
dnl LIBS="$ATLAS_LIBS $LIBS"
dnl
dnl ACTION-IF-FOUND is a list of shell commands to run if BLAS/LAPACK
dnl is found (HAVE_ATLAS 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_ATLAS], [
AC_REQUIRE([AC_CANONICAL_HOST])
dnl --------------------
dnl Search include files
dnl --------------------
acx_atlas_ok=no
if test x$2 = x; then
if test x$1 = x; then
AC_CHECK_HEADERS([cblas.h clapack.h],[acx_atlas_ok=yes])
if test x$acx_atlas_ok = xyes; then
AC_DEFINE(ATLAS_BLAS_H, "cblas.h", [BLAS header filename.])
AC_DEFINE(ATLAS_LAPACK_H, "clapack.h", [CLAPACK header filename.])
else
AC_CHECK_HEADERS([atlas/cblas.h atlas/clapack.h],[acx_atlas_ok=yes])
if test x$acx_atlas_ok = xyes; then
AC_DEFINE(ATLAS_BLAS_H, "atlas/cblas.h", [BLAS header filename.])
AC_DEFINE(ATLAS_LAPACK_H, "atlas/clapack.h", [CLAPACK header filename.])
else
atlas_def=/usr/local/atlas
AC_CHECK_HEADERS(
[$atlas_def/include/cblas.h $atlas_def/include/clapack.h],
[acx_atlas_ok=yes])
if test x$acx_atlas_ok = xyes; then
AC_DEFINE_UNQUOTED(ATLAS_BLAS_H, "$atlas_def/include/cblas.h",
[BLAS header filename.])
AC_DEFINE_UNQUOTED(ATLAS_LAPACK_H, "$atlas_def/include/clapack.h",
[CLAPACK header filename.])
else
atlas_def=/usr/atlas
AC_CHECK_HEADERS(
[$atlas_def/include/cblas.h $atlas_def/include/clapack.h],
[acx_atlas_ok=yes])
if test x$acx_atlas_ok = xyes; then
AC_DEFINE_UNQUOTED(ATLAS_BLAS_H, "$atlas_def/include/cblas.h",
[BLAS header filename.])
AC_DEFINE_UNQUOTED(ATLAS_LAPACK_H, "$atlas_def/include/clapack.h",
[CLAPACK header filename.])
else
ATLAS_ERROR="CBLAS/LAPack include files not found!"
fi
fi
fi
fi
else
AC_CHECK_HEADERS([$1/include/cblas.h $1/include/clapack.h],
[acx_atlas_ok=yes])
if test x$acx_atlas_ok = xyes; then
AC_DEFINE_UNQUOTED(ATLAS_BLAS_H, "$1/include/cblas.h",
[BLAS header filename.])
AC_DEFINE_UNQUOTED(ATLAS_LAPACK_H, "$1/include/clapack.h",
[CLAPACK header filename.])
else
AC_CHECK_HEADERS([cblas.h clapack.h],[acx_atlas_ok=yes])
if test x$acx_atlas_ok = xyes; then
AC_DEFINE_UNQUOTED(ATLAS_BLAS_H, "cblas.h",
[BLAS header filename.])
AC_DEFINE_UNQUOTED(ATLAS_LAPACK_H, "clapack.h",
[CLAPACK header filename.])
else
ATLAS_ERROR="CBLAS/LAPack include files not found in $1/include!"
fi
fi
fi
else
AC_CHECK_HEADERS([$2/cblas.h $2/clapack.h], [acx_atlas_ok=yes])
if test x$acx_atlas_ok = xyes; then
AC_DEFINE_UNQUOTED(ATLAS_BLAS_H, "$2/cblas.h",
[BLAS header filename.])
AC_DEFINE_UNQUOTED(ATLAS_LAPACK_H, "$2/clapack.h",
[CLAPACK header filename.])
else
ATLAS_ERROR="CBLAS/LAPack include files not found in $2!"
fi
fi
dnl --------------------
dnl Search library files
dnl --------------------
if test x$acx_atlas_ok = xyes; then
OLIBS="$LIBS"
LIBS=""
if test x$1 = x; then
AC_CHECK_LIB(lapack, [clapack_dpotrf],, [acx_atlas_ok=no],
[-lcblas -latlas -lm])
AC_CHECK_LIB(cblas, cblas_dgemm,, [acx_atlas_ok=no],
[-latlas -lm])
if test x$acx_atlas_ok = xyes; then
ATLAS_LIBPATH=""
else
atlas_def=/usr/local/atlas
unset ac_cv_lib_lapack_clapack_dpotrf
unset ac_cv_lib_cblas_cblas_dgemm
acx_atlas_ok=yes
AC_CHECK_LIB(lapack, [clapack_dpotrf],, [acx_atlas_ok=no],
[-L$atlas_def/lib -lcblas -latlas -lm])
AC_CHECK_LIB(cblas, cblas_dgemm,, [acx_atlas_ok=no],
[-L$atlas_def/lib -latlas -lm])
if test x$acx_atlas_ok = xyes; then
ATLAS_LIBPATH="-L$atlas_def/lib"
else
atlas_def=/usr/lib64/atlas
unset ac_cv_lib_lapack_clapack_dpotrf
unset ac_cv_lib_cblas_cblas_dgemm
acx_atlas_ok=yes
AC_CHECK_LIB(lapack, [clapack_dpotrf],, [acx_atlas_ok=no],
[-L$atlas_def -lcblas -latlas -lm])
AC_CHECK_LIB(cblas, cblas_dgemm,, [acx_atlas_ok=no],
[-L$atlas_def -latlas -lm])
if test x$acx_atlas_ok = xyes; then
ATLAS_LIBPATH="-L$atlas_def"
else
atlas_def=/usr/lib/atlas
unset ac_cv_lib_lapack_clapack_dpotrf
unset ac_cv_lib_cblas_cblas_dgemm
acx_atlas_ok=yes
AC_CHECK_LIB(lapack, [clapack_dpotrf],, [acx_atlas_ok=no],
[-L$atlas_def -lcblas -latlas -lm])
AC_CHECK_LIB(cblas, cblas_dgemm,, [acx_atlas_ok=no],
[-L$atlas_def -latlas -lm])
if test x$acx_atlas_ok = xyes; then
ATLAS_LIBPATH="-L$atlas_def"
else
atlas_def=/usr/atlas
unset ac_cv_lib_lapack_clapack_dpotrf
unset ac_cv_lib_cblas_cblas_dgemm
acx_atlas_ok=yes
AC_CHECK_LIB(lapack, [clapack_dpotrf],, [acx_atlas_ok=no],
[-L$atlas_def/lib -lcblas -latlas -lm])
AC_CHECK_LIB(cblas, cblas_dgemm,, [acx_atlas_ok=no],
[-L$atlas_def/lib -latlas -lm])
if test x$acx_atlas_ok = xyes; then
ATLAS_LIBPATH="-L$atlas_def/lib"
else
ATLAS_ERROR="CBLAS/LAPack library files not found at usual locations!"
fi
fi
fi
fi
fi
else
AC_CHECK_LIB(lapack, [clapack_dpotrf],, [acx_atlas_ok=no],
[-L$1 -lcblas -latlas -lm])
AC_CHECK_LIB(cblas, cblas_dgemm,, [acx_atlas_ok=no],
[-L$1 -latlas -lm])
if test x$acx_atlas_ok = xyes; then
ATLAS_LIBPATH="-L$1"
else
unset ac_cv_lib_lapack_clapack_dpotrf
unset ac_cv_lib_cblas_cblas_dgemm
acx_atlas_ok=yes
AC_CHECK_LIB(lapack, [clapack_dpotrf],, [acx_atlas_ok=no],
[-L$1/lib -lcblas -latlas -lm])
AC_CHECK_LIB(cblas, cblas_dgemm,, [acx_atlas_ok=no],
[-L$1/lib -latlas -lm])
if test x$acx_atlas_ok = xyes; then
ATLAS_LIBPATH="-L$1/lib"
else
ATLAS_ERROR="CBLAS/LAPack library files not found in $1!"
fi
fi
fi
LIBS="$OLIBS"
fi
AC_SUBST(ATLAS_LIBPATH)
AC_SUBST(ATLAS_CFLAGS)
dnl -------------------------------------------------------------------------
dnl Finally, check MP version and execute ACTION-IF-FOUND/ACTION-IF-NOT-FOUND
dnl -------------------------------------------------------------------------
if test x"$acx_atlas_ok" = xyes; then
AC_DEFINE(HAVE_ATLAS,1,
[Define if you have the ATLAS libraries and header files.])
if test x$3 = xyes; then
dnl Check whether the multithreaded version of ATLAS is there too:
Emmanuel Bertin
committed
AC_CHECK_LIB(ptcblas, cblas_dgemm, [acx_atlast_ok=yes], [acx_atlast_ok=no],
Emmanuel Bertin
committed
if test x$acx_atlast_ok = xyes; then
ATLAS_LIB="$ATLAS_LIBPATH -llapack -lptcblas -lcblas -latlas"
LIBS="$OLIBS"
AC_SUBST(ATLAS_LIB)
AC_DEFINE(HAVE_ATLAS_MP,1,
[Define if you have the parallel ATLAS libraries.])
$4
else
Emmanuel Bertin
committed
ATLAS_LIB="$ATLAS_LIBPATH -llapack -lcblas -latlas"
LIBS="$OLIBS"
AC_SUBST(ATLAS_LIB)
ATLAS_WARN="CBLAS/LAPack was compiled without multithreading support!"
AC_SUBST(ATLAS_WARN)
$4