mirror of https://gitlab.com/QEF/q-e.git
100 lines
3.2 KiB
Plaintext
100 lines
3.2 KiB
Plaintext
# Copyright (C) 2001-2020 Quantum ESPRESSO Foundation
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AC_DEFUN([X_AC_QE_LAPACK], [
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if test "$have_mkl" -ne 0 || test "$have_armpl" -ne 0 || test "$have_acml" -ne 0 || test "$have_essl" -ne 0
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then
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# MKL or ARM libraries or ACML (obsolete) or ESSL (obsolete?) found:
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# no need to check for lapack
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have_lapack=1
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else
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# check for lapack
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have_lapack=0
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fi
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#
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if test "$have_lapack" -eq 0
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then
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if test "$lapack_libs" = ""
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then
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# check directories in LD_LIBRARY_PATH too
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# (maybe they are already searched by default, but I'm not sure)
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ld_library_path=`echo $LD_LIBRARY_PATH | sed 's/:/ /g'`
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case "$arch:$f90" in
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necsx:* )
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# NECSX: OBSOLETE?
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try_libdirs="/SX/usr/lib /SX/opt/mathkeisan/inst/lib0"
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for dir in none $try_libdirs
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do
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unset ac_cv_search_dspev # clear cached value
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if test "$dir" = "none"
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then
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try_loption=
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else
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echo $ECHO_N "in $dir: " $ECHO_C
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try_loption="-L$dir"
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fi
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FFLAGS="$test_fflags"
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LDFLAGS="$test_ldflags $try_loption $blas_libs"
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LIBS=""
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AC_SEARCH_LIBS(dspev, lapack, have_lapack=1
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lapack_libs="$try_loption $LIBS")
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if test "$ac_cv_search_dspev" != "no"
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then break ; fi
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done
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;;
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esac
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if test "$have_lapack" -eq 0
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then
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# generic check for lapack (in several directories)
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try_libdirs="/usr/local/lib"
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try_libdirs="$libdirs $try_libdirs $ld_library_path"
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for dir in none $try_libdirs
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do
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unset ac_cv_search_dspev # clear cached value
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if test "$dir" = "none"
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then
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try_loption=
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else
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echo $ECHO_N "in $dir: " $ECHO_C
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try_loption="-L$dir"
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fi
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FFLAGS="$test_fflags"
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LDFLAGS="$test_ldflags $try_loption"
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LIBS="$blas_libs"
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AC_SEARCH_LIBS(dspev, lapack-3 lapack, have_lapack=1
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lapack_libs="$try_loption $LIBS")
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done
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fi
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else
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# lapack provided in LAPACK_LIBS: not checked
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echo setting LAPACK from \$LAPACK_LIBS with no check ... $lapack_libs
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have_lapack=1
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fi
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fi
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# No lapack library found: use internal lapack
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if test "$have_lapack" -eq 0 ; then
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lapack_libs="\$(TOPDIR)/external/lapack/liblapack.a"
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echo setting LAPACK to internal library ... $lapack_libs
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lapack_target="liblapack"
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else
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lapack_target=""
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fi
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lapack_line="LAPACK_LIBS=$lapack_libs"
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AC_SUBST(lapack_libs)
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AC_SUBST(lapack_target)
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AC_SUBST(lapack_line)
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AC_CONFIG_FILES(install/make_lapack.inc)
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]
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)
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