source: trunk/configure.ac @ 614

Last change on this file since 614 was 614, checked in by Jari Häkkinen, 13 years ago

Added comment.

  • Property svn:eol-style set to native
  • Property svn:keywords set to Id
File size: 10.0 KB
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1## Process this file with autoconf to produce a configure script.
2##
3## $Id: configure.ac 614 2008-04-22 14:45:07Z jari $
4##
5## If you grabbed the source from subversion you should, at top-level,
6## execute:
7##          ./bootstrap
8## To push subsequent changes of this file into the build scripts you
9## must issue:
10##          autoreconf
11
12# Copyright (C) 2005 Jari Häkkinen, Peter Johansson
13# Copyright (C) 2006 Jari Häkkinen
14# Copyright (C) 2007, 2008 Jari Häkkinen, Peter Johansson
15#
16# This file is part of svndigest, http://trac.thep.lu.se/svndigest
17#
18# svndigest is free software; you can redistribute it and/or modify it
19# under the terms of the GNU General Public License as published by
20# the Free Software Foundation; either version 2 of the License, or
21# (at your option) any later version.
22#
23# svndigest is distributed in the hope that it will be useful, but
24# WITHOUT ANY WARRANTY; without even the implied warranty of
25# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
26# General Public License for more details.
27#
28# You should have received a copy of the GNU General Public License
29# along with this program; if not, write to the Free Software
30# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
31# 02111-1307, USA.
32
33AC_PREREQ(2.60)
34
35
36m4_include([./build_support/version.m4])
37AC_INIT([svndigest],[SVNDIGEST_VERSION],[jari@thep.lu.se])
38AC_CONFIG_SRCDIR([lib/File.h])
39AC_CONFIG_AUX_DIR([autotools])
40AC_PREFIX_DEFAULT([/usr/local])
41test $prefix = NONE && prefix=/usr/local
42
43AC_SUBST([SVNDIGEST_MAJOR_VERSION], [MAJOR_VERSION])
44AC_SUBST([SVNDIGEST_MINOR_VERSION], [MINOR_VERSION])
45AC_SUBST([SVNDIGEST_PATCH_VERSION], [PATCH_VERSION])
46
47AC_DEFINE([DEV_BUILD],[SVNDIGEST_DEV_BUILD],
48          [true if dev build (version starts with pre)])
49AC_DEFINE([VERSION_MAJOR], [SVNDIGEST_MAJOR_VERSION],
50                    [Define to the svndigest major version])
51AC_DEFINE([VERSION_MINOR], [SVNDIGEST_MINOR_VERSION],
52                    [Define to the svndigest minor version])
53AC_DEFINE([VERSION_PATCH], [SVNDIGEST_PATCH_VERSION],
54                    [Define to the svndigest patch version])
55
56AC_CONFIG_HEADER([config.h])
57AM_INIT_AUTOMAKE([std-options check-news])
58
59# seems like these variables are not set with older autoconf(?)
60AC_SUBST([abs_srcdir], ["`cd $srcdir && pwd`"])
61AC_SUBST([abs_builddir], ["`pwd`"])
62
63# Set default programming language
64AC_LANG(C++)
65
66# Let user overide default CXXFLAGS
67if test "${CXXFLAGS+set}" != set; then
68  CXXFLAGS=""  # Setting CXXFLAGS here to prevent expansion in AC_PROG_CXX
69fi
70# Checks for programs.
71AC_PROG_CXXCPP
72AC_PROG_CXX
73AC_PROG_INSTALL
74AC_PROG_LIBTOOL
75AC_PROG_SED
76AC_CHECK_PROG([GNUPLOT],[gnuplot],[ok])
77
78# -Wno-long-long is needed to suppress compiler diagnostics regarding
79# using extension beyond the C++ standard (usage of non C++ standard
80# 'long long' types).
81CXXFLAGS="$CXXFLAGS -Wall -pedantic -Wno-long-long"
82AC_TYPE_LONG_LONG_INT()
83
84AC_ARG_ENABLE(debug,
85  [AS_HELP_STRING([--enable-debug],[turn on debug options and code])],
86  [CXXFLAGS="$CXXFLAGS -g -O"],
87  [CPPFLAGS="$CPPFLAGS -DNDEBUG" CXXFLAGS="$CXXFLAGS -O3"])
88
89# optionally prepare for building static libraries.
90AC_ARG_ENABLE(staticbin,
91  [AS_HELP_STRING([--enable-staticbin], [create a static binary,
92  at least as static as the available underlying libraries
93  allows])])
94if test "$enable_staticbin" = "yes"; then
95  case $host in
96  *-apple-darwin*)
97    # At the time of creating this libsvn_subr uses
98    # Keychain on Mac OSX. In consequence the below
99    # frameworks are needed for succesful static builds.
100    LIBS="$LIBS -framework Security"
101    LIBS="$LIBS -framework CoreFoundation"
102    LIBS="$LIBS -framework CoreServices"
103    ;;
104  esac
105  STATICFLAG=-static
106  AC_SUBST(STATICFLAG)
107fi
108
109# Apache Portable Runtime (APR) API checks
110# The next three lines are not needed as long as APR_FIND_APR is used.
111# AC_ARG_WITH(apr,
112#  [  --with-apr=DIR          prefix for installed APR or path to APR build
113#                          tree [[PREFIX]]])
114# Include APR_FIND_APR macro distributed within the APR project. If
115# the usage of the APR macro is to be omitted then the construct for
116# setting the CXXFLAGS (header file location) and LDFLAGS (linking
117# informaion) for APR must be changed. The latter can be achieved with
118# AC_SEARCH_LIBS([apr_allocator_create],[apr-0],,apr_found="no") but
119# apr-0 must be prior knowledge.
120sinclude(./build_support/find_apr.m4)
121APR_FIND_APR(,,1,[1 0])
122if test "$apr_found" = "yes" ; then
123    LDFLAGS="`$apr_config --link-ld` $LDFLAGS"
124    CPPFLAGS="`$apr_config --includes` $CPPFLAGS"
125    AC_CHECK_HEADER([apr_allocator.h],,apr_found="no")
126fi
127
128# Subversion API checks
129svn_found="yes"
130AC_ARG_WITH(svn,
131  [AS_HELP_STRING([--with-svn=DIR],[prefix for svn developer files [[PREFIX]]])],
132  [ LDFLAGS="-L$withval/lib $LDFLAGS" CPPFLAGS="-I$withval/include $CPPFLAGS"])
133AC_CHECK_HEADER([subversion-1/svn_types.h],,svn_found="no")
134# The library checks below may match shared libs even when
135# --enable-staticbin is given to configure. This should probably not
136# pose any problems since in a properly installed system the shared
137# and static libraries should be the same.
138AC_SEARCH_LIBS([svn_cmdline_setup_auth_baton],[svn_subr-1],,svn_found="no")
139AC_SEARCH_LIBS([svn_ra_initialize],[svn_ra-1],,svn_found="no")
140AC_SEARCH_LIBS([svn_wc_adm_open3],[svn_wc-1],,svn_found="no")
141AC_SEARCH_LIBS([svn_diff_file_options_create],[svn_diff-1],,svn_found="no")
142AC_SEARCH_LIBS([svn_client_log3],[svn_client-1],,svn_found="no")
143
144
145# check if svnversion is installed
146have_svnversion="yes"
147AC_PATH_PROG(SVNVERSION, svnversion, have_svnversion="no")
148
149# checking if we build in a subversion WC
150wc_found="no";
151if (test $have_svnversion != "no" &&
152    test `$SVNVERSION -n $srcdir` != "exported");
153then
154   wc_found="yes";
155fi
156AC_CHECK_FILE("$srcdir/lib/subversion_info.cc",info_found="yes",info_found="no")
157
158# Checking that a release (non-dev) has no pre in VERSION
159# Failure should be captured by distcheck
160if (test "$wc_found" = "no" && test "$DEV_BUILD" = "yes") ; then
161   AC_MSG_ERROR([Incorrect version number: $VERSION
162                 Version number of an official release should have format
163                 MAJOR.MINOR or MAJOR.MINOR.PATCH])
164fi
165
166# devel version should have svn WC and SVNVERSION installed
167AM_CONDITIONAL(HAVE_SVN_WC, test "$wc_found" = "yes" )
168
169
170AC_CONFIG_FILES([Makefile
171                bin/Makefile
172                lib/Makefile
173                test/environment.h
174                test/Makefile])
175
176# Print failure status information about selected items, and exit if
177# fatal errors were encountered. No output will be created if
178# configure is halted prematurely.
179
180# used to trigger exit before creation of output
181all_reqs_ok="true"
182
183if (test "$wc_found" != "yes") ; then
184if (test "$info_found" = "no") ; then
185   AC_MSG_WARN([Cannot find sources (lib/subversion_info.cc).])
186   if (test "$svnversion" = "no") ; then
187     AC_MSG_WARN([If you grabbed the source from the subversion repository,
188     the file will be generated automatically. However, svnversion cannot
189     be found and therefore the file cannot be generated. Please install
190     svnversion and make sure it is in your search path.])
191   else
192     AC_MSG_WARN([If you grabbed the source from the subversion repository,
193     the file will be generated automatically. However, the output from
194     svnversion was incorrect. Either your installation of svnversion is
195     is not healthy or there is something wrong with the repository.])
196   fi
197   all_reqs_ok="false"
198else
199   dnl test repo is not distributed
200   AC_CONFIG_FILES([test/test_repo.sh
201                    test/check_repo_status.sh],
202                   [chmod +x test/test_repo.sh;
203                    chmod +x test/check_repo_status.sh])
204   
205fi
206fi
207
208# Non-existing APR is fatal -- sub-sequent compilation will fail.
209if (test "$apr_found" = "no") ; then
210    AC_MSG_WARN([APR not found. The Apache Portable Runtime
211    (APR) library cannot be found. Please make sure APR is installed
212    and supply the appropriate --with-apr option to 'configure'.])
213    all_reqs_ok="false"
214fi
215
216# Non-existing subversion API is fatal -- sub-sequent compilation will fail.
217if (test "$svn_found" = "no") ; then
218    svn_msg="Subversion API not found. Subversion API libraries cannot
219    be found. Make sure the APIs are installed and supply the
220    appropriate --with-svn option to 'configure'."
221if (test "$apr_found" = "no") ; then
222    svn_msg="$svn_msg
223    Note, APR was not found. Failure to locate APR affects the search
224    of the subversion API. Please fix the APR problem before trying
225    to resolve the subversion related issues."
226fi
227    AC_MSG_WARN([$svn_msg])
228    all_reqs_ok="false"
229fi
230
231if test $ac_cv_type_long_long_int != yes ; then
232   AC_MSG_WARN([Compiler $CXX does not support `long long'.
233          svndigest must be compiled with a compiler that supports `long long'.])
234   all_reqs_ok="false"
235fi
236
237if (test "$all_reqs_ok" = "false") ; then
238    AC_MSG_ERROR([Some pre-requisites were not fulfilled, aborting
239    configure. Please consult the 'README' file for more information
240    about what is needed to compile svndigest and refer to above
241    warning messages. Needed files were NOT created.])
242fi
243
244# Create output.
245AC_OUTPUT
246
247# Some more messages.
248AC_MSG_NOTICE([])
249AC_MSG_NOTICE([   Ready to compile the executables of svndigest $VERSION])
250AC_MSG_NOTICE([   The following flags and libs will be used:])
251AC_MSG_NOTICE([   +++++++++++++++++++++++++++++++++++++++++++++++])
252AC_MSG_NOTICE([    Compiler:           CXX=\"$CXX\"])
253AC_MSG_NOTICE([    Preprocessor flags: CPPFLAGS=\"$CPPFLAGS\"])
254AC_MSG_NOTICE([    C++ flags:          CXXFLAGS=\"$CXXFLAGS\"])
255AC_MSG_NOTICE([    Linker flags:       LDFLAGS=\"$LDFLAGS\"])
256AC_MSG_NOTICE([    LIBS:               LIBS=\"$LIBS\"])
257AC_MSG_NOTICE([   +++++++++++++++++++++++++++++++++++++++++++++++])
258AC_MSG_NOTICE([])
259
260# Failure to locate gnuplot is not considered fatal
261if (test "$GNUPLOT" != "ok") ; then
262    AC_MSG_WARN([Gnuplot was not found. svndigest will compile
263    without gnuplot but will throw an exception at run-time. Please
264    install gnuplot (available for a wide range of operating systems
265    at http://www.gnuplot.info).])
266    AC_MSG_NOTICE([])
267fi
268
269if test "$enable_staticbin" = "yes"; then
270    AC_MSG_NOTICE([A statically linked 'svndigest' binary will be created.])
271else
272    AC_MSG_NOTICE([A dynamically linked 'svndigest' binary will be created.])
273fi
274    AC_MSG_NOTICE([])
275
276AC_MSG_NOTICE([Now type 'make ; make check'.])
277
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