| 1 | ## Process this file with autoconf to produce a configure script. |
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| 2 | ## |
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| 3 | ## $Id: configure.ac 1487 2008-09-10 08:41:36Z jari $ |
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| 4 | |
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| 5 | # Copyright (C) 2003 Daniel Dalevi, Jari Häkkinen |
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| 6 | # Copyright (C) 2004 Jari Häkkinen |
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| 7 | # Copyright (C) 2005, 2006 Jari Häkkinen, Peter Johansson |
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| 8 | # Copyright (C) 2007, 2008 Jari Häkkinen, Peter Johansson, Markus Ringnér |
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| 9 | # |
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| 10 | # This file is part of the yat library, http://dev.thep.lu.se/yat |
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| 11 | # |
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| 12 | # The yat library is free software; you can redistribute it |
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| 13 | # and/or modify it under the terms of the GNU General Public License as |
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| 14 | # published by the Free Software Foundation; either version 3 of the |
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| 15 | # License, or (at your option) any later version. |
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| 16 | # |
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| 17 | # The yat library is distributed in the hope that it will be useful, |
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| 18 | # but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 19 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 20 | # General Public License for more details. |
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| 21 | # |
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| 22 | # You should have received a copy of the GNU General Public License |
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| 23 | # along with yat. If not, see <http://www.gnu.org/licenses/>. |
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| 24 | # |
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| 25 | # If you grabbed the source from the subversion repository you should, |
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| 26 | # at top-level, execute: |
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| 27 | # ./bootstrap |
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| 28 | # To push subsequent changes of this file into the build scripts you |
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| 29 | # must issue: |
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| 30 | # autoreconf |
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| 31 | |
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| 32 | m4_include([./build_support/version.m4]) |
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| 33 | AC_INIT([yat],[YAT_VERSION],[jari@thep.lu.se]) |
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| 34 | AC_PREREQ(2.60) |
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| 35 | AC_CONFIG_SRCDIR([yat/utility/Matrix.h]) |
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| 36 | AC_CONFIG_AUX_DIR([autotools]) |
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| 37 | dnl arg below should be the same as in Makefile.am |
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| 38 | AC_CONFIG_MACRO_DIR([build_support]) |
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| 39 | AC_PREFIX_DEFAULT([/usr/local]) |
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| 40 | |
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| 41 | AC_SUBST([YAT_LT_VERSION], [LT_VERSION]) |
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| 42 | AC_SUBST([YAT_MAJOR_VERSION], [MAJOR_VERSION]) |
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| 43 | AC_SUBST([YAT_MINOR_VERSION], [MINOR_VERSION]) |
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| 44 | AC_SUBST([YAT_PATCH_VERSION], [PATCH_VERSION]) |
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| 45 | AC_SUBST([YAT_DEV_BUILD], [DEV_BUILD]) |
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| 46 | |
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| 47 | AC_CONFIG_HEADER([config.h]) |
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| 48 | AM_INIT_AUTOMAKE() |
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| 49 | |
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| 50 | # Set default programming language |
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| 51 | AC_LANG(C++) |
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| 52 | |
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| 53 | # Let user overide default CXXFLAGS |
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| 54 | if test "${CXXFLAGS+set}" != set; then |
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| 55 | CXXFLAGS="" # Setting CXXFLAGS here to prevent expansion in AC_PROG_CXX |
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| 56 | fi |
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| 57 | # Checks for programs. |
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| 58 | AC_PROG_CXX |
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| 59 | AC_PROG_INSTALL |
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| 60 | AC_PROG_SED |
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| 61 | |
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| 62 | AC_MSG_NOTICE(dnl |
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| 63 | [checking whether tools for generating documentation are available]) |
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| 64 | |
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| 65 | have_dox_tools="yes" |
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| 66 | AC_PATH_PROG([DOXYGEN], [doxygen], [no]) |
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| 67 | if test "$DOXYGEN" = "no"; then |
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| 68 | AC_MSG_WARN([unable to find doxygen application]) |
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| 69 | have_dox_tools=no |
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| 70 | else |
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| 71 | doxygen_min_version=1.5 |
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| 72 | AC_MSG_CHECKING([if doxygen is at least $doxygen_min_version]) |
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| 73 | doxygen_version=`$DOXYGEN --version` |
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| 74 | AX_COMPARE_VERSION([$doxygen_version], [ge], [$doxygen_min_version], , |
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| 75 | [have_dox_tools=no]) |
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| 76 | AC_MSG_RESULT([$doxygen_version]) |
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| 77 | fi |
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| 78 | AC_CHECK_PROG([have_epstopdf], [epstopdf], [yes], [no]) |
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| 79 | if test "$have_epstopdf" != "yes"; then |
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| 80 | AC_MSG_WARN([unable to find epstopdf application]) |
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| 81 | have_dox_tools=no |
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| 82 | fi |
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| 83 | AC_CHECK_PROG([have_latex], [latex], [yes], [no]) |
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| 84 | if test "$have_latex" != "yes"; then |
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| 85 | AC_MSG_WARN([unable to find latex application]) |
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| 86 | fi |
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| 87 | AC_CHECK_PROG([have_makeindex], [makeindex], [yes], [no]) |
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| 88 | if test "$have_makeindex" != "yes"; then |
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| 89 | AC_MSG_WARN([unable to find makeindex application]) |
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| 90 | have_dox_tools=no |
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| 91 | fi |
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| 92 | AC_CHECK_PROG([have_pdflatex], [pdflatex], [yes], [no]) |
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| 93 | if test "$have_pdflatex" != "yes"; then |
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| 94 | AC_MSG_WARN([unable to find pdflatex application]) |
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| 95 | have_dox_tools=no |
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| 96 | fi |
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| 97 | |
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| 98 | AM_CONDITIONAL(HAVE_DOXYGEN, test "$have_dox_tools" = "yes") |
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| 99 | AC_CONFIG_FILES([test/documentation_test.sh], |
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| 100 | [chmod +x test/documentation_test.sh]) |
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| 101 | |
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| 102 | # Save user-defined environment settings for later restoration |
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| 103 | APR_SAVE_THE_ENVIRONMENT(CPPFLAGS) |
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| 104 | APR_SAVE_THE_ENVIRONMENT(CXXFLAGS) |
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| 105 | APR_SAVE_THE_ENVIRONMENT(LDFLAGS) |
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| 106 | |
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| 107 | # Checks for libraries. |
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| 108 | AC_MSG_NOTICE([checking for libraries]) |
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| 109 | AC_CHECK_LIB(m,main) |
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| 110 | # searching for cblas. Priority 1) find a cblas library, 2) find ATLAS |
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| 111 | # generated cblas, and 3) fall back to GSL cblas implementation. If |
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| 112 | # partial ATLAS is detected the configure script fails. |
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| 113 | cblas_found="no" # cblas_found may get values yes or no |
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| 114 | # atlas_found may get values yes, no, or partial. In some cases |
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| 115 | # partial atlas may be installed |
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| 116 | atlas_found="no" |
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| 117 | gslcblas_found="no" # gslcblas_found may get values yes or no |
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| 118 | AC_SEARCH_LIBS(cblas_sdsdot,cblas,cblas_found="yes", |
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| 119 | AC_SEARCH_LIBS(ATL_sdsdot,atlas, |
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| 120 | AC_SEARCH_LIBS(cblas_sdsdot,cblas,atlas_found="yes", |
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| 121 | atlas_found="partial",-m64), |
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| 122 | AC_SEARCH_LIBS(cblas_dswap,gslcblas,gslcblas_found="yes"),-m64),) |
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| 123 | # CBLAS used in test of GSL |
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| 124 | gsl_cblas_lib=-lgslcblas |
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| 125 | if test ${cblas_found} = "yes"; then |
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| 126 | gsl_cblas_lib=-lcblas |
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| 127 | fi |
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| 128 | if test ${atlas_found} = "yes"; then |
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| 129 | CXXFLAGS="$CXXFLAGS -m64" LDFLAGS="$LDFLAGS -m64" |
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| 130 | gsl_cblas_lib=-latlas |
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| 131 | fi |
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| 132 | export GSL_CBLAS_LIB=${gsl_cblas_lib} |
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| 133 | |
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| 134 | # GNU Scientific Library, GSL http://www.gnu.org/software/gsl/, checks |
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| 135 | # Including AX_PATH_GSL macro from gsl.m4 distributed by GSL |
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| 136 | gsl_found="no" |
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| 137 | gsl_version="1.8" |
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| 138 | AC_SUBST(gsl_version) |
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| 139 | AX_PATH_GSL(${gsl_version},gsl_found="yes",gsl_version_check="no") |
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| 140 | if test "$gsl_found" = "yes"; then |
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| 141 | LIBS="-lgsl $LIBS" |
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| 142 | # grep words starting with '-L' in other words LDFLAGS |
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| 143 | for i in $GSL_LIBS; do |
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| 144 | if test ${i:0:2} = "-L"; then |
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| 145 | LDFLAGS="$LDFLAGS $i" |
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| 146 | fi |
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| 147 | done |
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| 148 | fi |
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| 149 | |
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| 150 | # Boost http://www.boost.org |
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| 151 | boost_version=1.33 |
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| 152 | AC_SUBST(boost_version) |
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| 153 | AX_BOOST_BASE("$boost_version") |
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| 154 | boost_version_check=$succeeded; |
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| 155 | CPPFLAGS="$BOOST_CPPFLAGS $CPPFLAGS" |
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| 156 | |
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| 157 | # Checks for library functions. |
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| 158 | AC_PROG_LIBTOOL |
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| 159 | |
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| 160 | #support for large files |
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| 161 | AC_SYS_LARGEFILE |
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| 162 | if test "$enable_largefile" = "no"; then |
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| 163 | AC_DEFINE([YAT_LFS_DISABLED], 1, |
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| 164 | [defined to 1 if large file support is disabled]) |
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| 165 | fi |
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| 166 | |
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| 167 | # we use AM_* for variables that are solely needed for building yat, |
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| 168 | # i.e., they are not needed for a user of yat and are not propagated |
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| 169 | # to yat-config or yat.m4. |
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| 170 | AM_CXXFLAGS="$AM_CXXFLAGS -Wall -pedantic" |
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| 171 | CPPFLAGS="$CPPFLAGS -DHAVE_INLINE=1" |
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| 172 | AC_ARG_ENABLE(debug, |
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| 173 | [AS_HELP_STRING([--enable-debug],[turn on debug options and code])]) |
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| 174 | if test "${enable_debug}" = "yes" ; then |
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| 175 | AM_CXXFLAGS="$AM_CXXFLAGS -g -O" |
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| 176 | AM_CPPFLAGS="$AM_CPPFLAGS -DYAT_DEBUG=1" |
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| 177 | else |
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| 178 | AM_CXXFLAGS="$CXXFLAGS -O3" |
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| 179 | CPPFLAGS="$CPPFLAGS -DGSL_RANGE_CHECK_OFF" |
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| 180 | AM_CPPFLAGS="$CPPFLAGS -DNDEBUG" |
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| 181 | fi |
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| 182 | |
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| 183 | # check for quiet_NaN support in OS |
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| 184 | # Check at run-time, but if we are cross-compiling fall back on a |
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| 185 | # compilation test |
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| 186 | AC_MSG_CHECKING([if std::numeric_limits<>::has_quiet_NaN is true]) |
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| 187 | AC_RUN_IFELSE( |
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| 188 | [AC_LANG_PROGRAM( |
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| 189 | [@%:@include <limits>], |
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| 190 | [return !std::numeric_limits<double>::has_quiet_NaN])], |
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| 191 | [quiet_nan=yes |
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| 192 | AC_MSG_RESULT($quiet_nan)], |
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| 193 | [quiet_nan=no |
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| 194 | AC_MSG_RESULT($quiet_nan)], |
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| 195 | # if we are cross-compiling fall back on compilation test |
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| 196 | [AC_MSG_RESULT(cross-compiling) |
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| 197 | AC_MSG_CHECKING([for std::numeric_limits<>::quiet_NaN()]) |
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| 198 | AC_COMPILE_IFELSE( |
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| 199 | [AC_LANG_PROGRAM( |
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| 200 | [@%:@include <limits> |
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| 201 | extern void f(double);], |
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| 202 | [f(std::numeric_limits<double>::quiet_NaN())])], |
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| 203 | [quiet_nan=yes], |
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| 204 | [quiet_nan=no]) |
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| 205 | AC_MSG_RESULT($quiet_nan)]) |
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| 206 | # Check for infinity support for doubles in OS |
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| 207 | # Check at run-time, but if we are cross-compiling fall back on a |
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| 208 | # compilation test |
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| 209 | AC_MSG_CHECKING([if std::numeric_limits<>::has_infinity is true]) |
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| 210 | AC_RUN_IFELSE( |
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| 211 | [AC_LANG_PROGRAM( |
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| 212 | [@%:@include <limits>], |
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| 213 | [return !std::numeric_limits<double>::has_infinity])], |
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| 214 | [has_infinity=yes |
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| 215 | AC_MSG_RESULT($has_infinity)], |
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| 216 | [has_infinity=no |
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| 217 | AC_MSG_RESULT($has_infinity)], |
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| 218 | # if we are cross-compiling fall back on compilation test |
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| 219 | [AC_MSG_RESULT(cross-compiling) |
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| 220 | AC_MSG_CHECKING([for std::numeric_limits<>::infinity()]) |
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| 221 | AC_COMPILE_IFELSE( |
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| 222 | [AC_LANG_PROGRAM( |
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| 223 | [@%:@include <limits> |
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| 224 | extern void f(double);], |
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| 225 | [f(std::numeric_limits<double>::infinity())])], |
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| 226 | [has_infinity=yes], |
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| 227 | [has_infinity=no]) |
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| 228 | AC_MSG_RESULT($has_infinity)]) |
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| 229 | |
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| 230 | |
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| 231 | # yat specific settings |
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| 232 | YAT_LIBNAME="yat" |
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| 233 | YAT_LIB_LOCATION="yat" |
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| 234 | AC_SUBST(YAT_LIBNAME) |
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| 235 | AC_SUBST(YAT_LIB) |
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| 236 | AC_SUBST(YAT_LIB_LOCATION) |
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| 237 | |
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| 238 | #doxygen stuff |
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| 239 | DX_HTML_OUTPUT=html |
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| 240 | DX_LATEX_OUTPUT=latex |
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| 241 | AC_SUBST(DX_HTML_OUTPUT) |
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| 242 | AC_SUBST(DX_LATEX_OUTPUT) |
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| 243 | |
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| 244 | |
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| 245 | AC_CONFIG_FILES([Makefile |
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| 246 | build_support/yat.pc |
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| 247 | doc/Makefile |
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| 248 | doc/doxygen.config |
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| 249 | doc/first_page.doxygen |
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| 250 | test/Makefile |
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| 251 | test/environment.h |
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| 252 | test/data/Makefile |
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| 253 | yat/Makefile |
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| 254 | yat/classifier/Makefile |
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| 255 | yat/normalization/Makefile |
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| 256 | yat/random/Makefile |
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| 257 | yat/regression/Makefile |
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| 258 | yat/statistics/Makefile |
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| 259 | yat/utility/version.h |
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| 260 | yat/utility/Makefile]) |
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| 261 | |
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| 262 | AC_CONFIG_FILES([build_support/yat-config], |
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| 263 | [chmod +x build_support/yat-config]) |
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| 264 | |
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| 265 | # warning about missing doxygen |
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| 266 | if (test "$have_dox_tools" != "yes") ; then |
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| 267 | AC_MSG_WARN([ |
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| 268 | Some pre-requisites for generating documentation were not |
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| 269 | fulfilled. The build will not create any documentation. |
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| 270 | Please consult the 'README' file for more information about |
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| 271 | what is needed to generate documentation and refer to above |
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| 272 | warning messages. |
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| 273 | ]) |
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| 274 | fi |
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| 275 | |
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| 276 | # Print failure status information about selected items, and exit if |
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| 277 | # fatal errors were encountered. No output will be created if |
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| 278 | # configure is halted prematurely. |
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| 279 | |
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| 280 | # used to trigger exit before creation of output |
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| 281 | all_reqs_ok="true" |
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| 282 | |
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| 283 | # No support for quiet NAN is fatal -- sub-sequent compilation, or execution |
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| 284 | # of created binary, will fail. |
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| 285 | if test "${quiet_nan}" = "no" ; then |
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| 286 | all_reqs_ok="false" |
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| 287 | AC_MSG_WARN([ |
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| 288 | Support for quiet NAN required. |
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| 289 | Yat will not work on this system!]) |
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| 290 | fi |
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| 291 | |
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| 292 | # No support for infinity is fatal -- sub-sequent compilation, or execution |
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| 293 | # of created binary, will fail. |
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| 294 | if test "${has_infinity}" = "no" ; then |
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| 295 | all_reqs_ok="false" |
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| 296 | AC_MSG_WARN([ |
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| 297 | Support for infinity required. |
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| 298 | Yat will not work on this system!]) |
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| 299 | fi |
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| 300 | |
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| 301 | |
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| 302 | # Non-existing BLAS is fatal -- sub-sequent compilation will fail. |
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| 303 | if test "${cblas_found}" = "no" -a "${atlas_found}" = "no" -a "${gslcblas_found}" = "no"; then |
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| 304 | all_reqs_ok="false" |
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| 305 | AC_MSG_WARN([ |
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| 306 | cBLAS not found. The C implementation of Basic Linear Algebra |
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| 307 | Subprograms (cBLAS) library cannot be found. Please make sure |
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| 308 | cBLAS is installed.]) |
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| 309 | fi |
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| 310 | if test "${atlas_found}" = "partial"; then |
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| 311 | all_reqs_ok="false" |
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| 312 | AC_MSG_WARN([ |
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| 313 | Partial ATLAS BLAS library found. Please repair your installation.]) |
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| 314 | fi |
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| 315 | |
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| 316 | # Non-existing GSL is fatal -- sub-sequent compilation will fail. |
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| 317 | if test "${gsl_found}" = "no" ; then |
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| 318 | all_reqs_ok="false" |
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| 319 | if test "${gsl_version_check}" = "no" ; then |
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| 320 | AC_MSG_WARN([ |
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| 321 | GSL found but not the required version. Please install |
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| 322 | GSL version ${gsl_version} or later]) |
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| 323 | else |
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| 324 | AC_MSG_WARN([ |
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| 325 | GSL not found. The GNU Scientific Library (GSL) library cannot be |
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| 326 | found. Please make sure GSL is installed.]) |
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| 327 | fi |
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| 328 | fi |
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| 329 | |
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| 330 | # Too old Boost is fatal -- sub-sequent compilation will fail. |
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| 331 | if test "${boost_version_check}" != "yes" ; then |
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| 332 | all_reqs_ok="false" |
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| 333 | AC_MSG_WARN([ |
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| 334 | Boost found but not the required version. Please install |
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| 335 | Boost version ${boost_version} or later]) |
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| 336 | fi |
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| 337 | |
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| 338 | if (test "$all_reqs_ok" = "false") ; then |
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| 339 | AC_MSG_FAILURE([ |
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| 340 | Some pre-requisites were not fulfilled, aborting configure. |
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| 341 | Please consult the 'README' file for more information about what |
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| 342 | is needed to compile yat and refer to above warning messages. |
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| 343 | Needed files were NOT created.]) |
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| 344 | fi |
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| 345 | |
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| 346 | # Reset flags |
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| 347 | APR_RESTORE_THE_ENVIRONMENT(CPPFLAGS, EXTRA_) |
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| 348 | APR_RESTORE_THE_ENVIRONMENT(CXXFLAGS, EXTRA_) |
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| 349 | APR_RESTORE_THE_ENVIRONMENT(LDFLAGS, EXTRA_) |
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| 350 | |
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| 351 | AM_CPPFLAGS="-I\$(top_srcdir) $AM_CPPFLAGS $EXTRA_CPPFLAGS" |
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| 352 | AM_CXXFLAGS="$AM_CXXFLAGS $EXTRA_CXXFLAGS" |
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| 353 | AM_LDFLAGS="$AM_LDFLAGS $EXTRA_LDFLAGS" |
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| 354 | |
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| 355 | AC_SUBST(AM_CPPFLAGS) |
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| 356 | AC_SUBST(AM_CXXFLAGS) |
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| 357 | AC_SUBST(AM_LDFLAGS) |
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| 358 | |
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| 359 | # Create output. |
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| 360 | AC_OUTPUT |
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| 361 | |
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| 362 | # Some more messages. |
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| 363 | AC_MSG_NOTICE([]) |
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| 364 | AC_MSG_NOTICE([ Ready to compile the yat library]) |
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| 365 | AC_MSG_NOTICE([ The following flags and libraries will be used:]) |
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| 366 | AC_MSG_NOTICE([ +++++++++++++++++++++++++++++++++++++++++++++++]) |
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| 367 | AC_MSG_NOTICE([ CPPFLAGS=\"$CPPFLAGS\"]) |
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| 368 | AC_MSG_NOTICE([ AM_CPPFLAGS=\"$AM_CPPFLAGS\"]) |
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| 369 | AC_MSG_NOTICE([ CXXFLAGS=\"$CXXFLAGS\"]) |
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| 370 | AC_MSG_NOTICE([ AM_CXXFLAGS=\"$AM_CXXFLAGS\"]) |
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| 371 | AC_MSG_NOTICE([ LDFLAGS=\"$LDFLAGS\"]) |
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| 372 | AC_MSG_NOTICE([ AM_LDFLAGS=\"$AM_LDFLAGS\"]) |
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| 373 | AC_MSG_NOTICE([ LIBS=\"$LIBS\"]) |
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| 374 | AC_MSG_NOTICE([ +++++++++++++++++++++++++++++++++++++++++++++++]) |
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| 375 | AC_MSG_NOTICE([]) |
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| 376 | if test "${gslcblas_found}" = "yes"; then |
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| 377 | AC_MSG_NOTICE([ GSL BLAS found. This is a reference implementation only.]) |
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| 378 | AC_MSG_NOTICE([ Consider using hardware optimized BLAS.]) |
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| 379 | AC_MSG_NOTICE([ ATLAS (http://math-atlas.sourceforge.net/) provides an]) |
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| 380 | AC_MSG_NOTICE([ optimized BLAS library. It is supported by yat!]) |
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| 381 | AC_MSG_NOTICE([]) |
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| 382 | fi |
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| 383 | AC_MSG_NOTICE([ Now type 'make ; make check'.]) |
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