1 dnl Copyright (C) 2005, 2006, 2007, 2009, 2014, 2015, 2021 Free Software Foundation, Inc.
2 dnl This file is free software; the Free Software Foundation
3 dnl gives unlimited permission to copy and/or distribute it,
4 dnl with or without modifications, as long as this notice is preserved.
8 dnl Summarize all the missing prerequisites at the end of the run to
9 dnl increase user-friendliness.
10 AC_DEFUN([PSPP_REQUIRED_PREREQ],
11 [AC_MSG_WARN([You must install $1 before building PSPP.])
12 pspp_required_prereqs="$pspp_required_prereqs
14 AC_DEFUN([PSPP_OPTIONAL_PREREQ], [pspp_optional_prereqs="$pspp_optional_prereqs
16 AC_DEFUN([PSPP_CHECK_PREREQS],
18 if test "$pspp_optional_prereqs" != ""; then
19 AC_MSG_WARN([The following optional packages are not installed.
20 You may wish to install them to obtain additional functionality:$pspp_optional_prereqs])
22 if test "$pspp_required_prereqs" != ""; then
23 AC_MSG_ERROR([The following required packages are not installed.
24 You must install them before PSPP can be built:$pspp_required_prereqs])
29 dnl Check that a new enough version of Perl is available.
32 AC_PATH_PROG([PERL], perl, no)
34 if test "$PERL" != no && $PERL -e 'require 5.005_03;'; then :; else
35 PSPP_REQUIRED_PREREQ([Perl 5.005_03 (or later)])
38 # The PSPP autobuilder appends a build number to the PSPP version number,
39 # e.g. "0.7.2-build40". But Perl won't parse version numbers that contain
40 # anything other than digits and periods, so "-build" causes an error. So we
41 # define $(VERSION_FOR_PERL) that drops everything from the hyphen onward.
42 VERSION_FOR_PERL=`echo "$VERSION" | sed 's/-.*//'`
43 AC_SUBST([VERSION_FOR_PERL])
46 dnl CHECK_PERL_MODULE([MODULE], [RUN-IF-AVAILABLE], [RUN-IF-NOT-AVAILABLE])
47 AC_DEFUN([CHECK_PERL_MODULE],
48 [echo "configure:__oline__: running $PERL -M$1 -e '' >&AS_MESSAGE_LOG_FD" >&AS_MESSAGE_LOG_FD
49 $PERL -M$1 -e '' >&AS_MESSAGE_LOG_FD 2>&1
51 echo "configure:__oline__: \$? = $retval" >&AS_MESSAGE_LOG_FD
52 AS_IF([test $retval = 0], [$2], [$3])])
54 AC_DEFUN([PSPP_PERL_MODULE],
57 [AS_HELP_STRING([--without-perl-module], [do not build the Perl module])],
58 [AS_CASE([$with_perl_module],
60 [AC_MSG_FAILURE([--with-perl-module argument must be 'yes' or 'no'])])
61 WITH_PERL_MODULE=$with_perl_module],
62 [if test x"$cross_compiling" != x"yes"; then
67 AC_SUBST([WITH_PERL_MODULE])
68 AM_CONDITIONAL(WITH_PERL_MODULE, test $WITH_PERL_MODULE = yes)
70 if test $WITH_PERL_MODULE = yes; then
71 CHECK_PERL_MODULE([Config::Perl::V], [],
72 [PSPP_REQUIRED_PREREQ([Config::Perl::V Perl module (or use --without-perl-module)])])
73 CHECK_PERL_MODULE([Text::Diff], [],
74 [PSPP_OPTIONAL_PREREQ([Text::Diff Perl module for running Perl tests])])
75 CHECK_PERL_MODULE([Memory::Usage], [],
76 [PSPP_OPTIONAL_PREREQ([Memory::Usage Perl module for running Perl tests])])
79 dnl Check that Python 3 is available.
80 AC_DEFUN([PSPP_PYTHON3],
81 [AC_ARG_VAR([PYTHON3], [Python 3 interpreter])
82 AC_CHECK_PROGS([PYTHON3], [python3 python], [none])
83 if test "$PYTHON3" != no && $PYTHON3 -c '
85 sys.exit(0 if sys.version_info >= (3,4) else 1)
87 PSPP_REQUIRED_PREREQ([Python 3.4 (or later)])
91 dnl PSPP_CHECK_CC_OPTION([OPTION], [ACTION-IF-ACCEPTED], [ACTION-IF-REJECTED])
92 dnl Check whether the given C compiler OPTION is accepted.
93 dnl If so, execute ACTION-IF-ACCEPTED, otherwise ACTION-IF-REJECTED.
94 AC_DEFUN([PSPP_CHECK_CC_OPTION],
96 m4_define([pspp_cv_name], [pspp_cv_[]m4_translit([$1], [-], [_])])dnl
97 AC_CACHE_CHECK([whether $CC accepts $1], [pspp_cv_name],
98 [pspp_save_CFLAGS="$CFLAGS"
100 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)], [pspp_cv_name[]=yes], [pspp_cv_name[]=no])
101 CFLAGS="$pspp_save_CFLAGS"])
102 if test $pspp_cv_name = yes; then
103 m4_if([$2], [], [;], [$2])
105 m4_if([$3], [], [:], [$3])
109 # PSPP_ENABLE_OPTION comes from Open vSwitch:
110 # ----------------------------------------------------------------------
111 # Copyright (c) 2007-2017 Nicira, Inc.
113 # Licensed under the Apache License, Version 2.0 (the "License");
114 # you may not use this file except in compliance with the License.
115 # You may obtain a copy of the License at:
117 # http://www.apache.org/licenses/LICENSE-2.0
119 # Unless required by applicable law or agreed to in writing, software
120 # distributed under the License is distributed on an "AS IS" BASIS,
121 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
122 # See the License for the specific language governing permissions and
123 # limitations under the License.
124 dnl PSPP_ENABLE_OPTION([OPTION])
125 dnl Check whether the given C compiler OPTION is accepted.
126 dnl If so, add it to WARNING_FLAGS.
127 dnl Example: PSPP_ENABLE_OPTION([-Wdeclaration-after-statement])
128 AC_DEFUN([PSPP_ENABLE_OPTION],
129 [PSPP_CHECK_CC_OPTION([$1], [WARNING_FLAGS="$WARNING_FLAGS $1"])
130 AC_SUBST([WARNING_FLAGS])])
131 # ----------------------------------------------------------------------
133 dnl Check for readline and history libraries.
135 dnl Modified for PSPP, based on readline.m4 serial 3 from
136 dnl gnulib, which was written by Simon Josefsson, with help from Bruno
137 dnl Haible and Oskar Liljeblad.
139 AC_DEFUN([PSPP_READLINE],
141 dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
142 AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
143 AC_REQUIRE([AC_LIB_RPATH])
145 dnl Search for libreadline and define LIBREADLINE, LTLIBREADLINE and
146 dnl INCREADLINE accordingly.
147 AC_LIB_LINKFLAGS_BODY([readline])
148 AC_LIB_LINKFLAGS_BODY([history])
150 dnl Add $INCREADLINE to CPPFLAGS before performing the following checks,
151 dnl because if the user has installed libreadline and not disabled its use
152 dnl via --without-libreadline-prefix, he wants to use it. The AC_LINK_IFELSE
153 dnl will then succeed.
154 am_save_CPPFLAGS="$CPPFLAGS"
155 AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCREADLINE $INCHISTORY])
157 AC_CACHE_CHECK(for readline, gl_cv_lib_readline, [
158 gl_cv_lib_readline=no
160 dnl On some systems, -lreadline doesn't link without an additional
161 dnl -lncurses or -ltermcap.
162 dnl Try -lncurses before -ltermcap, because libtermcap is unsecure
163 dnl by design and obsolete since 1994. Try -lcurses last, because
164 dnl libcurses is unusable on some old Unices.
165 for extra_lib in "" ncurses termcap curses; do
166 LIBS="$am_save_LIBS $LIBREADLINE $LIBHISTORY"
167 if test -n "$extra_lib"; then
168 LIBS="$LIBS -l$extra_lib"
170 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
171 #include <readline/readline.h>
172 #include <readline/history.h>]], [[readline((char*)0); add_history((char*)0);]])],[gl_cv_lib_readline=yes],[])
173 if test "$gl_cv_lib_readline" = yes; then
174 if test -n "$extra_lib"; then
175 LIBREADLINE="$LIBREADLINE $LIBHISTORY -l$extra_lib"
176 LTLIBREADLINE="$LTLIBREADLINE $LTLIBHISTORY -l$extra_lib"
184 if test "$gl_cv_lib_readline" = yes; then
185 AC_DEFINE([HAVE_READLINE], 1, [Define if you have the readline library.])
186 AC_MSG_CHECKING([how to link with libreadline])
187 AC_MSG_RESULT([$LIBREADLINE])
188 AC_SEARCH_LIBS([rl_echo_signal_char], [readline],
189 AC_DEFINE([HAVE_RL_ECHO_SIGNAL_CHAR], 1, [Define if the readline library provides rl_echo_signal_char.]),[],[$LIBREADLINE])
190 AC_SEARCH_LIBS([rl_outstream], [readline],
191 AC_DEFINE([HAVE_RL_OUTSTREAM], 1, [Define if the readline library provides rl_outstream.]),[],[$LIBREADLINE])
193 dnl If $LIBREADLINE didn't lead to a usable library, we don't
194 dnl need $INCREADLINE either.
195 CPPFLAGS="$am_save_CPPFLAGS"
200 PSPP_OPTIONAL_PREREQ([libreadline (which may itself require libncurses or libtermcap)])
202 AC_SUBST(LIBREADLINE)
203 AC_SUBST(LTLIBREADLINE)
206 dnl Check for LC_PAPER, _NL_PAPER_WIDTH, _NL_PAPER_HEIGHT.
207 AC_DEFUN([PSPP_LC_PAPER],
208 [AC_CACHE_CHECK(for LC_PAPER, pspp_cv_lc_paper, [
213 #include <langinfo.h>
215 [(void) LC_PAPER; (void) _NL_PAPER_WIDTH; (void) _NL_PAPER_HEIGHT])],
216 [pspp_cv_lc_paper=yes])
218 if test "$pspp_cv_lc_paper" = yes; then
219 AC_DEFINE([HAVE_LC_PAPER], 1, [Define if you have LC_PAPER.])
224 # PSPP_LINK2_IFELSE(SOURCE1, SOURCE2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
225 # -------------------------------------------------------------
226 # Based on AC_LINK_IFELSE, but tries to link both SOURCE1 and SOURCE2
229 # Test that resulting file is executable; see the problem reported by mwoehlke
230 # in <http://lists.gnu.org/archive/html/bug-coreutils/2006-10/msg00048.html>.
231 # But skip the test when cross-compiling, to prevent problems like the one
232 # reported by Chris Johns in
233 # <http://lists.gnu.org/archive/html/autoconf/2007-03/msg00085.html>.
235 m4_define([PSPP_LINK2_IFELSE],
236 [m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
237 mv conftest.$ac_ext conftest1.$ac_ext
238 m4_ifvaln([$2], [AC_LANG_CONFTEST([$2])])dnl
239 mv conftest.$ac_ext conftest2.$ac_ext
240 rm -f conftest1.$ac_objext conftest2.$ac_objext conftest$ac_exeext
241 pspp_link2='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest1.$ac_ext conftest2.$ac_ext $LIBS >&5'
242 AS_IF([_AC_DO_STDERR($pspp_link2) && {
243 test -z "$ac_[]_AC_LANG_ABBREV[]_werror_flag" ||
244 test ! -s conftest.err
245 } && test -s conftest$ac_exeext && {
246 test "$cross_compiling" = yes ||
247 AS_TEST_X([conftest$ac_exeext])
250 [echo "$as_me: failed source file 1 of 2 was:" >&5
251 sed 's/^/| /' conftest1.$ac_ext >&5
252 echo "$as_me: failed source file 2 of 2 was:" >&5
253 sed 's/^/| /' conftest2.$ac_ext >&5
255 dnl Delete also the IPA/IPO (Inter Procedural Analysis/Optimization)
256 dnl information created by the PGI compiler (conftest_ipa8_conftest.oo),
257 dnl as it would interfere with the next link command.
258 rm -rf conftest.dSYM conftest1.dSYM conftest2.dSYM
259 rm -f core conftest.err conftest1.err conftest2.err
260 rm -f conftest1.$ac_objext conftest2.$ac_objext conftest*_ipa8_conftest*.oo
261 rm -f conftest$ac_exeext
262 rm -f m4_ifval([$1], [conftest1.$ac_ext]) m4_ifval([$2], [conftest1.$ac_ext])[]dnl
263 ])# PSPP_LINK2_IFELSE
265 # GSL uses "extern inline" without determining whether the compiler uses
266 # GCC inline rules or C99 inline rules. If it uses the latter then GSL
267 # will be broken without passing -fgnu89-inline to GCC.
268 AC_DEFUN([PSPP_GSL_NEEDS_FGNU89_INLINE],
269 [# GSL only uses "inline" at all if HAVE_INLINE is defined as a macro.
270 # In turn, gnulib's gl_INLINE is one macro that does that. We need to
271 # make sure that it has run by the time we run this test, otherwise we'll
272 # get a false result.
273 AC_REQUIRE([gl_INLINE])
274 PSPP_CHECK_CC_OPTION(
276 [AC_CACHE_CHECK([whether GSL needs -fgnu89-inline to link],
277 pspp_cv_gsl_needs_fgnu89_inline, [
279 [AC_LANG_PROGRAM([#include <gsl/gsl_math.h>
280 ], [GSL_MAX_INT(1,2);])],
281 [AC_LANG_SOURCE([#include <gsl/gsl_math.h>
283 [pspp_cv_gsl_needs_fgnu89_inline=no],
284 [pspp_cv_gsl_needs_fgnu89_inline=yes])])
285 if test "$pspp_cv_gsl_needs_fgnu89_inline" = "yes"; then
286 CFLAGS="$CFLAGS -fgnu89-inline"
290 AC_DEFUN([PSPP_CHECK_CLICKSEQUENCE],
291 [AC_REQUIRE([AM_INIT_AUTOMAKE]) # Defines MAKEINFO
292 AC_CACHE_CHECK([whether makeinfo supports @clicksequence],
293 [pspp_cv_have_clicksequence],
294 [cat > conftest.texi <<EOF
295 @setfilename conftest.info
296 @clicksequence{File @click{} Open}
298 echo "configure:__oline__: running $MAKEINFO conftest.texi >&AS_MESSAGE_LOG_FD" >&AS_MESSAGE_LOG_FD
299 eval "$MAKEINFO conftest.texi >&AS_MESSAGE_LOG_FD 2>&1"
301 echo "configure:__oline__: \$? = $retval" >&AS_MESSAGE_LOG_FD
302 if test $retval = 0; then
303 pspp_cv_have_clicksequence=yes
305 pspp_cv_have_clicksequence=no
307 rm -f conftest.texi conftest.info])
308 if test $pspp_cv_have_clicksequence = no; then
309 AC_MSG_ERROR([$MAKEINFO does not support @clicksequence.
310 Please install a newer or working version, or point the MAKEINFO variable
311 to one that is already installed.])
314 dnl Texinfo 4.13 generates broken DocBook XML. Probably other old
315 dnl versions do too, but that's the one that causes problems.
316 AC_DEFUN([PSPP_CHECK_MAKEINFO_DOCBOOK_XML],
317 [AC_REQUIRE([AM_INIT_AUTOMAKE]) # Defines MAKEINFO
319 [whether makeinfo generates broken DocBook XML],
320 [pspp_cv_broken_docbook_xml],
322 [$(eval "$MAKEINFO --version | head -1")],
323 [*texinfo*4.13*], [pspp_cv_broken_docbook_xml=yes],
324 [*texinfo*], [pspp_cv_broken_docbook_xml=no],
325 [*], [pspp_cv_broken_docbook_xml=yes])])
327 [BROKEN_DOCBOOK_XML], [test "$pspp_cv_broken_docbook_xml" = yes])])
329 # The following comes from Open vSwitch:
330 # ----------------------------------------------------------------------
331 # Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
333 # Licensed under the Apache License, Version 2.0 (the "License");
334 # you may not use this file except in compliance with the License.
335 # You may obtain a copy of the License at:
337 # http://www.apache.org/licenses/LICENSE-2.0
339 # Unless required by applicable law or agreed to in writing, software
340 # distributed under the License is distributed on an "AS IS" BASIS,
341 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
342 # See the License for the specific language governing permissions and
343 # limitations under the License.
345 dnl PSPP_ENABLE_WERROR
346 AC_DEFUN([PSPP_ENABLE_WERROR],
349 [AC_HELP_STRING([--enable-Werror], [Add -Werror to CFLAGS])],
350 [], [enable_Werror=no])
351 AC_CONFIG_COMMANDS_PRE(
352 [if test "X$enable_Werror" = Xyes; then
353 CFLAGS="$CFLAGS -Werror -Wno-error=deprecated-declarations"
354 # gnulib needs this, for now:
355 CFLAGS="$CFLAGS -Wno-error=attributes"
358 # The following comes from Open vSwitch:
359 # ----------------------------------------------------------------------
360 # Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
362 # Licensed under the Apache License, Version 2.0 (the "License");
363 # you may not use this file except in compliance with the License.
364 # You may obtain a copy of the License at:
366 # http://www.apache.org/licenses/LICENSE-2.0
368 # Unless required by applicable law or agreed to in writing, software
369 # distributed under the License is distributed on an "AS IS" BASIS,
370 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
371 # See the License for the specific language governing permissions and
372 # limitations under the License.
375 AC_DEFUN([PSPP_CHECK_DOT],
379 [dnl "dot" writes -V output to stderr:
380 if (dot -V) 2>&1 | grep '^dot - [[gG]]raphviz version' >/dev/null 2>&1; then
385 AM_CONDITIONAL([HAVE_DOT], [test "$pspp_cv_dot" = yes])])
388 dnl Check that xgettext is sufficiently recent
389 dnl Before calling this macro, AC_CHECK_PROGS([XGETTEXT], [xgettext]) should have been called,
390 dnl which sets the ac_cv_prog_XGETTEXT cache variable.
391 AC_DEFUN([PSPP_CHECK_XGETTEXT],
392 [AC_CACHE_CHECK([whether gettext is sufficiently recent],
393 [pspp_cv_progrecent_xgettext],
394 [pspp_cv_progrecent_xgettext=maybe
395 ver=`$ac_cv_prog_XGETTEXT --version | sed -n -e '/xgettext/s/[[^0-9]]*\([[0-9\.]][[0-9\.]]*\).*/\1/p'`
400 majmin=`echo $ver | sed -e 's/\.[[0-9]]*$//'`
401 major=`echo $majmin | sed -e 's/\.[[0-9]]*$//'`
402 minor=`echo $majmin | sed -e 's/^[[0-9]]*\.//'`
403 if test "$major" -lt 0; then
404 pspp_cv_progrecent_xgettext=no;
405 elif test "$minor" -lt 20; then
406 pspp_cv_progrecent_xgettext=no
408 pspp_cv_progrecent_xgettext=yes