source: trunk/configure.ac @ 1221

Last change on this file since 1221 was 1216, checked in by Peter, 14 years ago

adding support for MAJOR MINOR PATCH

  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 8.7 KB
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1## Process this file with autoconf to produce a configure script.
2##
3## $Id: configure.ac 1216 2008-03-07 23:39:11Z peter $
4
5# Copyright (C) 2003 Daniel Dalevi, Jari Häkkinen
6# Copyright (C) 2004 Jari Häkkinen
7# Copyright (C) 2005, 2006, 2007 Jari Häkkinen, Peter Johansson
8# Copyright (C) 2008 Jari Häkkinen
9#
10# This file is part of the yat library, http://trac.thep.lu.se/yat
11#
12# The yat library is free software; you can redistribute it
13# and/or modify it under the terms of the GNU General Public License as
14# published by the Free Software Foundation; either version 2 of the
15# License, or (at your option) any later version.
16#
17# The yat library is distributed in the hope that it will be useful,
18# but WITHOUT ANY WARRANTY; without even the implied warranty of
19# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
20# General Public License for more details.
21#
22# You should have received a copy of the GNU General Public License
23# along with this program; if not, write to the Free Software
24# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
25# 02111-1307, USA.
26#
27# If you grabbed the source from the subversion repository you should,
28# at top-level, execute:
29#     ./bootstrap
30# To push subsequent changes of this file into the build scripts you
31# must issue:
32#     autoreconf
33
34m4_include([./build_support/version.m4])
35AC_INIT([yat],[YAT_VERSION],[jari@thep.lu.se])
36AC_PREREQ(2.60)
37AC_CONFIG_SRCDIR([yat/utility/Matrix.h])
38AC_CONFIG_AUX_DIR([autotools])
39AC_PREFIX_DEFAULT([/usr/local])
40
41AC_SUBST([YAT_LT_VERSION], [LT_VERSION])
42AC_SUBST([YAT_MAJOR_VERSION], [MAJOR_VERSION])
43AC_SUBST([YAT_MINOR_VERSION], [MINOR_VERSION])
44AC_SUBST([YAT_PATCH_VERSION], [PATCH_VERSION])
45
46AM_CONFIG_HEADER([config.h])
47AM_INIT_AUTOMAKE()
48
49# Set default programming language
50AC_LANG(C++)
51
52# Let user overide default CXXFLAGS
53if test "${CXXFLAGS+set}" != set; then
54  CXXFLAGS=""  # Setting CXXFLAGS here to prevent expansion in AC_PROG_CXX
55fi
56# Checks for programs.
57AC_PROG_CXX
58AC_PROG_INSTALL
59AC_PROG_SED
60AC_CHECK_PROG([HAVE_DOXYGEN], [doxygen], [true], [false])
61
62AM_CONDITIONAL(HAVE_DOXYGEN, test "$HAVE_DOXYGEN" = "true")
63
64# Checks for libraries.
65AC_CHECK_LIB(m,main)
66# searching for cblas. Priority 1) find a cblas library, 2) find ATLAS
67# generated cblas, and 3) fall back to GSL cblas implementation. If
68# partial ATLAS is detected the configure script fails.
69cblas_found="no"  # cblas_found may get values yes or no
70# atlas_found may get values yes, no, or partial. In some cases
71# partial atlas may be installed
72atlas_found="no"
73gslcblas_found="no" # gslcblas_found may get values yes or no
74AC_SEARCH_LIBS(cblas_sdsdot,cblas,cblas_found="yes",
75  AC_SEARCH_LIBS(ATL_sdsdot,atlas,
76    AC_SEARCH_LIBS(cblas_sdsdot,cblas,atlas_found="yes",
77                   atlas_found="partial",-m64),
78      AC_SEARCH_LIBS(cblas_dswap,gslcblas,gslcblas_found="yes"),-m64),)
79if test ${atlas_found} = "yes"; then
80  CXXFLAGS="$CXXFLAGS -m64" LDFLAGS="$LDFLAGS -m64"
81fi
82
83# GNU Scientific Library, GSL http://www.gnu.org/software/gsl/, checks
84# Including AM_PATH_GSL macro from gsl.m4 distributed by GSL
85gsl_found="no"
86gsl_version="1.6"
87sinclude(./build_support/gsl.m4)
88AM_PATH_GSL(${gsl_version},gsl_found="yes",gsl_version_check="no")
89if test "$gsl_found" = "yes"; then
90   LIBS="-lgsl $LIBS"
91fi
92
93# Checks for header files.
94AC_CHECK_HEADERS([unistd.h])
95
96# Checks for typedefs, structures, and compiler characteristics.
97AC_HEADER_STDBOOL
98AC_C_CONST
99AC_C_INLINE
100AC_TYPE_SIZE_T
101
102# Checks for library functions.
103AC_PROG_LIBTOOL
104AC_FUNC_ERROR_AT_LINE
105AC_HEADER_STDC
106AC_CHECK_FUNCS([pow sqrt])
107
108CXXFLAGS="$CXXFLAGS -Wall -pedantic"
109CPPFLAGS="$CPPFLAGS -DHAVE_INLINE=1"
110AC_ARG_ENABLE(debug,
111  [AS_HELP_STRING([--enable-debug],[turn on debug options and code])])
112if test "${enable_debug}" = "yes" ; then
113  CXXFLAGS="$CXXFLAGS -g -O"
114  CPPFLAGS="$CPPFLAGS -DYAT_DEBUG=1"
115else
116  CXXFLAGS="$CXXFLAGS -O3"
117  CPPFLAGS="$CPPFLAGS -DNDEBUG -DGSL_RANGE_CHECK_OFF"
118fi
119
120# check for quiet_NaN support in OS
121# At compile time, but this may not work if quiet_NaN exists and returns
122# an incorrect value
123AC_MSG_CHECKING([for std::numeric_limits<>::quiet_NaN()])
124AC_COMPILE_IFELSE(
125  [AC_LANG_PROGRAM(
126    [#include <limits>
127     extern void f(double);],
128    [f(std::numeric_limits<double>::quiet_NaN())])],
129  [quiet_nan=yes],
130  [quiet_nan=no])
131AC_MSG_RESULT($quiet_nan)
132# At run-time, but this has the disadvantage that yat cannot be built 
133# for cross-compilation
134AC_MSG_CHECKING([if std::numeric_limits<>::has_quiet_NaN is true])
135AC_RUN_IFELSE(
136  [AC_LANG_PROGRAM(
137    [#include <limits>],
138    [return !std::numeric_limits<double>::has_quiet_NaN])],
139  [quiet_nan=yes],
140  [quiet_nan=no])
141AC_MSG_RESULT($quiet_nan)
142# Check for infinity support for doubles in OS
143# At run-time, but this has the disadvantage that yat cannot be built 
144# for cross-compilation
145AC_MSG_CHECKING([if std::numeric_limits<>::has_infinity is true])
146AC_RUN_IFELSE(
147  [AC_LANG_PROGRAM(
148    [#include <limits>],
149    [return !std::numeric_limits<double>::has_infinity])],
150  [has_infinity=yes],
151  [has_infinity=no])
152AC_MSG_RESULT($has_infinity)
153
154
155# yat specific settings
156YAT_LIB="libyat.la"
157YAT_LIB_LOCATION="yat"
158AC_SUBST(YAT_LIB)
159AC_SUBST(YAT_LIB_LOCATION)
160AC_DEFINE([YAT_MAJOR_VERSION],[MAJOR_VERSION], [Define to yat MAJOR version])
161AC_DEFINE([YAT_MINOR_VERSION],[MINOR_VERSION], [Define to yat minor version])
162AC_DEFINE([YAT_PATCH_VERSION],[PATCH_VERSION], [Define to yat patch version])
163AC_DEFINE([YAT_DEV_BUILD],[DEV_BUILD], [false if tagged release])
164
165
166
167AC_CONFIG_FILES([Makefile
168     doc/Makefile
169     test/Makefile
170     test/data/Makefile
171     yat/Makefile
172     yat/classifier/Makefile
173     yat/random/Makefile
174     yat/regression/Makefile
175     yat/statistics/Makefile
176     yat/utility/Makefile])
177
178# Only warning about missing programs (needed for docs generation)
179# when in debug mode
180if (test "$enable_debug" == "yes"); then
181if (test "$HAVE_DOXYGEN" != "true") ; then
182  AC_MSG_WARN([
183  Doxygen was not found. Yat will compile and work without doxygen.
184  However, in order to enable generation of documentation, please
185  install Doxygen available at http://www.doxygen.org/
186  ])
187fi
188fi
189
190# Print failure status information about selected items, and exit if
191# fatal errors were encountered. No output will be created if
192# configure is halted prematurely.
193
194# used to trigger exit before creation of output
195all_reqs_ok="true"
196
197# No support for quiet NAN is fatal -- sub-sequent compilation, or execution
198# of created binary, will fail.
199if test "${quiet_nan}" = "no" ; then
200  all_reqs_ok="false"
201  AC_MSG_WARN([
202  Support for quiet NAN required.
203  Yat will not work on this system!])
204fi
205
206# No support for infinity is fatal -- sub-sequent compilation, or execution
207# of created binary, will fail.
208if test "${has_infinity}" = "no" ; then
209  all_reqs_ok="false"
210  AC_MSG_WARN([
211  Support for infinity required.
212  Yat will not work on this system!])
213fi
214
215
216# Non-existing BLAS is fatal -- sub-sequent compilation will fail.
217if test "${cblas_found}" = "no" -a "${atlas_found}" = "no" -a "${gslcblas_found}" = "no"; then
218  all_reqs_ok="false"
219  AC_MSG_WARN([
220  cBLAS not found. The C implementation of Basic Linear Algebra
221  Subprograms (cBLAS) library cannot be found. Please make sure
222  cBLAS is installed.])
223fi
224if test "${atlas_found}" = "partial"; then
225  all_reqs_ok="false"
226  AC_MSG_WARN([
227  Partial ATLAS BLAS library found. Please repair your installation.])
228fi
229
230# Non-existing GSL is fatal -- sub-sequent compilation will fail.
231if test "${gsl_found}" = "no" ; then
232  all_reqs_ok="false"
233  if test "${gsl_version_check}" = "no" ; then
234  AC_MSG_WARN([
235  GSL found but not the required version. Please install
236  GSL version ${gsl_version} or later])
237  else
238  AC_MSG_WARN([
239  GSL not found. The GNU Scientific Library (GSL) library cannot be
240  found. Please make sure GSL is installed.])
241  fi
242fi
243
244if (test "$all_reqs_ok" = "false") ; then
245  AC_MSG_FAILURE([
246  Some pre-requisites were not fulfilled, aborting configure.
247  Please consult the 'README' file for more information about what
248  is needed to compile yat and refer to above warning messages.
249  Needed files were NOT created.])
250fi
251
252# Create output.
253AC_OUTPUT
254
255# Some more messages.
256AC_MSG_NOTICE([])
257AC_MSG_NOTICE([ Ready to compile the yat library])
258AC_MSG_NOTICE([ The following flags and libraries will be used:])
259AC_MSG_NOTICE([ +++++++++++++++++++++++++++++++++++++++++++++++])
260AC_MSG_NOTICE([  CPPFLAGS=\"$CPPFLAGS\"])
261AC_MSG_NOTICE([  CXXFLAGS=\"$CXXFLAGS\"])
262AC_MSG_NOTICE([  LIBS=\"$LIBS\"])
263AC_MSG_NOTICE([  LDFLAGS=\"$LDFLAGS\"])
264AC_MSG_NOTICE([ +++++++++++++++++++++++++++++++++++++++++++++++])
265AC_MSG_NOTICE([])
266if test "${gslcblas_found}" = "yes"; then
267AC_MSG_NOTICE([ GSL BLAS found. This is a reference implementation only.])
268AC_MSG_NOTICE([ Consider using hardware optimized BLAS.])
269AC_MSG_NOTICE([ ATLAS (http://math-atlas.sourceforge.net/) provides an])
270AC_MSG_NOTICE([ optimized BLAS library. It is supported by yat!])
271AC_MSG_NOTICE([])
272fi
273AC_MSG_NOTICE([ Now type 'make ; make check'.])
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