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## -*- autoconf -*-
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# $Id: superlu.m4 5908 2010-02-23 16:46:05Z joe $
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# searches for SuperLU headers and libs
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# _slu_lib_path(SUPERLU_ROOT, HEADER)
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#
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# Try to find the subpath unter SUPERLU_ROOT containing HEADER. Try
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# SUPERLU_ROOT/"include/superlu", SUPERLU_ROOT/"include", and
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# SUPERLU_ROOT/"SRC", in that order. Set the subpath for the library to
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# "lib". If HEADER was found in SUPERLU_ROOT/"SRC", check whether
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# SUPERLU_ROOT/"lib" is a directory, and set the subpath for the library to
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# the empty string "" if it isn't.
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#
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# Shell variables:
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# my_include_path
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# The subpath HEADER was found in: "include/superlu", "include", or
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# "SRC". Contents is only meaningful for my_slu_found=yes.
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# my_lib_path
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# The subpath for the library: "lib" or "". Contents is only meaningful
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# for my_slu_found=yes.
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# my_slu_found
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# Whether HEADER was found at all. Either "yes" or "no".
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AC_DEFUN([_slu_lib_path],
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[
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my_include_path=include/superlu
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my_lib_path=lib
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my_slu_found=yes
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if test ! -f "$1/$my_include_path/$2" ; then
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#Try to find headers under superlu
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my_include_path=include
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if test ! -f "$1/$my_include_path/$2" ; then
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my_include_path=SRC
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if test ! -f "$1/$my_include_path/$2"; then
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my_slu_found=no
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else
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if ! test -d "$1/$my_lib_path"; then
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my_lib_path=""
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fi
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fi
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fi
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fi
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]
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)
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# _slu_search_versions(SUPERLU_ROOT)
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#
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# Search for either "slu_ddefs.h" or "dsp_defs.h" using _slu_lib_path().
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#
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# Shell variables:
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# my_slu_header
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# The name of the header that was found: first of "slu_ddefs.h" or
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# "dsp_defs.h". Contents is only meaningful for my_slu_found=yes.
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# my_include_path
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# The subpath the header was found in: "include/superlu", "include", or
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# "SRC". Contents is only meaningful for my_slu_found=yes.
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# my_lib_path
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# The subpath for the library: "lib" or "". Contents is only meaningful
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# for my_slu_found=yes.
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# my_slu_found
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# Whether any of the headers. Either "yes" or "no".
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AC_DEFUN([_slu_search_versions],
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[
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my_slu_header=slu_ddefs.h
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_slu_lib_path($1, $my_slu_header)
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if test "$my_slu_found" != "yes"; then
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my_slu_header="dsp_defs.h"
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_slu_lib_path($1, $my_slu_header)
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fi
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]
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)
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# _slu_search_default()
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#
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# Search for SuperLU in the default locations "/usr" and "/usr/local".
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#
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# Shell variables:
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# with_superlu
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# Root of the SuperLU installation: first of "/usr" and "/usr/local".
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# Contents is only meaningful for my_slu_found=yes.
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# For other output variables see documentation of _slu_search_versions().
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AC_DEFUN([_slu_search_default],
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[
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with_superlu=/usr
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_slu_search_versions($with_superlu)
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if test "$my_slu_found" = "no"; then
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with_superlu=/usr/local
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_slu_search_versions($with_superlu)
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fi
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]
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)
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# DUNE_PATH_SUPERLU()
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#
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# REQUIRES: AC_PROG_CC, AX_BLAS
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#
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# Shell variables:
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# with_superlu
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# "no", "yes (version 4.3 or newer)", "yes (version 4.2 or older, post 2005)" or "yes (pre 2005)"
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# direct_SUPERLU_CPPFLAGS
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# direct_SUPERLU_LIBS
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# CPPFLAGS and LIBS necessary to link against SuperLU. This variable
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# contains no indirect references and is suitable for use inside
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# configure. Guaranteed empty if SuperLU was not found.
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# SUPERLU_CPPFLAGS
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# SUPERLU_LIBS
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# CPPFLAGS and LIBS necessary to link against SuperLU. This variable may
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# contain indirect references and is suitable for use inside makefiles.
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# Guaranteed empty if SuperLU was not found.
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# HAVE_SUPERLU
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# "0" or "1" depending on whether SuperLU was found.
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#
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# Substitutions:
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# SUPERLU_LIBS
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# SUPERLU_CPPFLAGS
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# Substitutes the values of the corresponding shell variables.
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# ALL_PKG_LIBS
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# ALL_PKG_CPPFLAGS
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# Adds references to SuperLU's substitutions.
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#
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# Defines:
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# HAVE_SUPERLU
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# ENABLE_SUPERLU or undefined. Whether SuperLU was found. The correct
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# way to check this is "#if HAVE_SUPERLU": This way SuperLU features will
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# be disabled unless ${SUPERLU_CPPFLAGS} was given when compiling.
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# SUPERLU_POST_2005_VERSION
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# 1 or undefined. A post-2005 version of SuperLU uses the header
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# "slu_ddefs.h" while earlier versions use "dsp_defs.h".
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# SUPERLU_MIN_VERSION_4_3
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# 1 or undefined. SuperLU version 4.3 or newer uses the symbol
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# "SLU_DOUBLE" while earlier versions use "DOUBLE".
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# HAVE_MEM_USAGE_T_EXPANSIONS
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# 1 or undefined. Whether "mem_usage_t.expansions" was found in
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# "slu_ddefs.h" or "dsp_defs.h" as apropriate.
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#
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# Conditionals:
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# SUPERLU
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AC_DEFUN([DUNE_PATH_SUPERLU],[
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AC_REQUIRE([AC_PROG_CC])
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# we need this for FLIBS
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AC_REQUIRE([AC_F77_LIBRARY_LDFLAGS])
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AC_REQUIRE([AX_BLAS])
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#
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# User hints ...
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#
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my_lib_path=""
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my_include_path=""
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AC_ARG_WITH([superlu],
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[AC_HELP_STRING([--with-superlu],[user defined path to SuperLU library])],
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[dnl
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if test x"$withval" != xno ; then
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# get absolute path
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with_superlu=`eval cd $withval 2>&1 && pwd`
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if test x"$withval" = xyes; then
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# Search in default locations
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_slu_search_default
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else
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# Search for the headers in the specified location
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_slu_search_versions(["$with_superlu"])
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fi
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fi
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], [dnl
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# Search in default locations
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_slu_search_default
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])
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AC_ARG_WITH([superlu-lib],
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[AC_HELP_STRING([--with-superlu-lib],
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[The name of the static SuperLU library to link to. By default
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the static library with the name superlu.a is tried, but
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only if shared linking has failed first. Giving this
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options forces static linking for SuperLU.])],
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[
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if test x"$withval" = xno ; then
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with_superlu_lib=
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fi
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])
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AC_ARG_WITH([superlu-blaslib],
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[AC_HELP_STRING([--with-superlu-blaslib],
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[The name of the static blas library to link to. By default
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we try to link to the systems blas library (see
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--with-blas). Giving this options forces static linking
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for SuperLU.])],
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[
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if test "$withval" = no ; then
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with_superlu_blaslib=
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fi
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])
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# store old values
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ac_save_LDFLAGS="$LDFLAGS"
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ac_save_CPPFLAGS="$CPPFLAGS"
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ac_save_LIBS="$LIBS"
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# do nothing if --without-superlu is used
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if test x"$with_superlu" != x"no" ; then
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# defaultpath
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SUPERLU_LIB_PATH="$with_superlu/$my_lib_path"
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SUPERLU_INCLUDE_PATH="$with_superlu/$my_include_path"
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# set variables so that tests can use them
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direct_SUPERLU_CPPFLAGS="-I$SUPERLU_INCLUDE_PATH -DENABLE_SUPERLU"
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SUPERLU_CPPFLAGS="-I$SUPERLU_INCLUDE_PATH -DENABLE_SUPERLU"
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CPPFLAGS="$CPPFLAGS $direct_SUPERLU_CPPFLAGS"
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# check for central header
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AC_CHECK_HEADER([$my_slu_header],
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[HAVE_SUPERLU="1"],
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[
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HAVE_SUPERLU="0"
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AC_MSG_WARN([$my_slu_header not found in $SUPERLU_INCLUDE_PATH with $CPPFLAGS])
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])
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# if header is found check for the libs
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if test x$HAVE_SUPERLU = x1 ; then
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HAVE_SUPERLU=0
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# if neither --with-superlu-lib nor --with-superlu-blaslib was
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# given, try to link dynamically or with properly names static libs
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if test x"$with_superlu_lib$with_superlu_blaslib" = x; then
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LDFLAGS="$ac_save_LDFLAGS -L$SUPERLU_LIB_PATH"
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LIBS="$ac_save_LIBS"
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AC_CHECK_LIB([superlu], [dgssvx],
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[
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direct_SUPERLU_LIBS="-L$SUPERLU_LIB_PATH -lsuperlu $BLAS_LIBS $FLIBS"
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SUPERLU_LIBS="-L$SUPERLU_LIB_PATH -lsuperlu \${BLAS_LIBS} \${FLIBS}"
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HAVE_SUPERLU="1"
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], [], [$BLAS_LIBS $FLIBS])
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fi
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if test $HAVE_SUPERLU = 0 && test x"$with_superlu_lib" = x; then
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# set the default
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with_superlu_lib=superlu.a
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fi
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if test $HAVE_SUPERLU = 0 &&
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test x"$with_superlu_blaslib" = x; then
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# try system blas
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LDFLAGS="$ac_save_LDFLAGS"
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LIBS="$SUPERLU_LIB_PATH/$with_superlu_lib $BLAS_LIBS $FLIBS $ac_save_LIBS"
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AC_CHECK_FUNC([dgssvx],
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[
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direct_SUPERLU_LIBS="$SUPERLU_LIB_PATH/$with_superlu_lib $BLAS_LIBS $FLIBS"
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SUPERLU_LIBS="$SUPERLU_LIB_PATH/$with_superlu_lib \${BLAS_LIBS} \${FLIBS}"
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HAVE_SUPERLU="1"
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])
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fi
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# No default for with_superlu_blaslib
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if test $HAVE_SUPERLU = 0 &&
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test x"$with_superlu_blaslib" != x; then
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# try internal blas
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LDFLAGS="$ac_save_LDFLAGS"
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LIBS="$SUPERLU_LIB_PATH/$with_superlu_lib $SUPERLU_LIB_PATH/$with_superlu_blaslib $FLIBS $ac_save_LIBS"
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AC_CHECK_FUNC([dgssvx],
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[
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direct_SUPERLU_LIBS="$SUPERLU_LIB_PATH/$with_superlu_lib $SUPERLU_LIB_PATH/$with_superlu_blaslib $FLIBS"
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SUPERLU_LIBS="$SUPERLU_LIB_PATH/$with_superlu_lib $SUPERLU_LIB_PATH/$with_superlu_blaslib \${FLIBS}"
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HAVE_SUPERLU="1"
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])
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fi
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# test whether SuperLU version is at least 4.3
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if test $HAVE_SUPERLU = "1" ; then
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AC_CHECK_DECL([SLU_DOUBLE], [SUPERLU_MIN_VERSION_4_3="1"], [], [#include <$my_slu_header>])
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fi
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fi
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else # $with_superlu = no
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HAVE_SUPERLU=0
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fi
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# Inform the user whether SuperLU was sucessfully found
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AC_MSG_CHECKING([SuperLU])
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if test x$HAVE_SUPERLU = x1 ; then
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if test "$my_slu_header" = "slu_ddefs.h"; then
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if test x$SUPERLU_MIN_VERSION_4_3 = x1 ; then
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with_superlu="yes (version 4.3 or newer)"
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else
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with_superlu="yes (version 4.2 or older, post 2005)"
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fi
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else
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with_superlu="yes (pre 2005)"
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fi
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else
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with_superlu="no"
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fi
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AC_MSG_RESULT([$with_superlu])
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# check for optional member
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if test $HAVE_SUPERLU = 1 ; then
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if test "$my_slu_header" = "slu_ddefs.h"; then
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AC_CHECK_MEMBERS([mem_usage_t.expansions],[],[],[#include "slu_ddefs.h"])
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else
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AC_CHECK_MEMBERS([mem_usage_t.expansions],[],[],[#include "dsp_defs.h"])
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fi
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fi
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# substitute variables
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if test x$HAVE_SUPERLU = x0 ; then
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SUPERLU_LIBS=
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SUPERLU_CPPFLAGS=
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fi
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AC_SUBST([SUPERLU_LIBS])
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AC_SUBST([SUPERLU_CPPFLAGS])
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#DUNE_ADD_ALL_PKG([SUPERLU], [\${SUPERLU_CPPFLAGS}], [], [\${SUPERLU_LIBS}])
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# tell automake
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AM_CONDITIONAL(SUPERLU, test x$HAVE_SUPERLU = x1)
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# tell the preprocessor
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if test x$HAVE_SUPERLU = x1 ; then
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AC_DEFINE([HAVE_SUPERLU], [ENABLE_SUPERLU], [Define to ENABLE_SUPERLU if SUPERLU is found])
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if test "$my_slu_header" = "slu_ddefs.h"; then
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AC_DEFINE([SUPERLU_POST_2005_VERSION], 1, [define to 1 if there is a header slu_ddefs.h in SuperLU])
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if test x$SUPERLU_MIN_VERSION_4_3 = x1 ; then
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AC_DEFINE([SUPERLU_MIN_VERSION_4_3], 1, [define to 1 if there SLU_DOUBLE imported by header slu_ddefs.h from SuperLU])
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fi
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fi
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fi
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# summary
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#DUNE_ADD_SUMMARY_ENTRY([SuperLU],[$with_superlu])
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# restore variables
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LDFLAGS="$ac_save_LDFLAGS"
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CPPFLAGS="$ac_save_CPPFLAGS"
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LIBS="$ac_save_LIBS"
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])
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Atgeirr Flø Rasmussen