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_OPTIONAL_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=$with_perl_module],
62 [if test "$PERL" != no && 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 $WITH_PERL_MODULE = yes; then
71 if test "$PERL" = no; then
72 PSPP_REQUIRED_PREREQ([Perl 5.005_03 or later (or use --without-perl-module)])
74 CHECK_PERL_MODULE([Config::Perl::V], [],
75 [PSPP_REQUIRED_PREREQ([Config::Perl::V Perl module (or use --without-perl-module)])])
76 CHECK_PERL_MODULE([Text::Diff], [],
77 [PSPP_OPTIONAL_PREREQ([Text::Diff Perl module for running Perl tests])])
80 dnl Check that Python 3 is available.
81 AC_DEFUN([PSPP_PYTHON3],
82 [AC_ARG_VAR([PYTHON3], [Python 3 interpreter])
83 AC_CHECK_PROGS([PYTHON3], [python3 python], [none])
84 if test "$PYTHON3" != no && $PYTHON3 -c '
86 sys.exit(0 if sys.version_info >= (3,4) else 1)
88 PSPP_REQUIRED_PREREQ([Python 3.4 (or later)])
92 dnl PSPP_CHECK_CC_OPTION([OPTION], [ACTION-IF-ACCEPTED], [ACTION-IF-REJECTED])
93 dnl Check whether the given C compiler OPTION is accepted.
94 dnl If so, execute ACTION-IF-ACCEPTED, otherwise ACTION-IF-REJECTED.
95 AC_DEFUN([PSPP_CHECK_CC_OPTION],
97 m4_define([pspp_cv_name], [pspp_cv_[]m4_translit([$1], [-=], [__])])dnl
98 AC_CACHE_CHECK([whether $CC accepts $1], [pspp_cv_name],
99 [pspp_save_CFLAGS="$CFLAGS"
101 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)], [pspp_cv_name[]=yes], [pspp_cv_name[]=no])
102 CFLAGS="$pspp_save_CFLAGS"])
103 if test $pspp_cv_name = yes; then
104 m4_if([$2], [], [;], [$2])
106 m4_if([$3], [], [:], [$3])
110 # PSPP_ENABLE_OPTION comes from Open vSwitch:
111 # ----------------------------------------------------------------------
112 # Copyright (c) 2007-2017 Nicira, Inc.
114 # Licensed under the Apache License, Version 2.0 (the "License");
115 # you may not use this file except in compliance with the License.
116 # You may obtain a copy of the License at:
118 # http://www.apache.org/licenses/LICENSE-2.0
120 # Unless required by applicable law or agreed to in writing, software
121 # distributed under the License is distributed on an "AS IS" BASIS,
122 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
123 # See the License for the specific language governing permissions and
124 # limitations under the License.
125 dnl PSPP_ENABLE_OPTION([OPTION])
126 dnl Check whether the given C compiler OPTION is accepted.
127 dnl If so, add it to WARNING_FLAGS.
128 dnl Example: PSPP_ENABLE_OPTION([-Wdeclaration-after-statement])
129 AC_DEFUN([PSPP_ENABLE_OPTION],
130 [PSPP_CHECK_CC_OPTION([$1], [WARNING_FLAGS="$WARNING_FLAGS $1"])
131 AC_SUBST([WARNING_FLAGS])])
132 # ----------------------------------------------------------------------
134 dnl Check for readline and history libraries.
136 dnl Modified for PSPP, based on readline.m4 serial 3 from
137 dnl gnulib, which was written by Simon Josefsson, with help from Bruno
138 dnl Haible and Oskar Liljeblad.
140 AC_DEFUN([PSPP_READLINE],
142 dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
143 AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
144 AC_REQUIRE([AC_LIB_RPATH])
146 dnl Search for libreadline and define LIBREADLINE, LTLIBREADLINE and
147 dnl INCREADLINE accordingly.
148 AC_LIB_LINKFLAGS_BODY([readline])
149 AC_LIB_LINKFLAGS_BODY([history])
151 dnl Add $INCREADLINE to CPPFLAGS before performing the following checks,
152 dnl because if the user has installed libreadline and not disabled its use
153 dnl via --without-libreadline-prefix, he wants to use it. The AC_LINK_IFELSE
154 dnl will then succeed.
155 am_save_CPPFLAGS="$CPPFLAGS"
156 AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCREADLINE $INCHISTORY])
158 AC_CACHE_CHECK(for readline, gl_cv_lib_readline, [
159 gl_cv_lib_readline=no
161 dnl On some systems, -lreadline doesn't link without an additional
162 dnl -lncurses or -ltermcap.
163 dnl Try -lncurses before -ltermcap, because libtermcap is unsecure
164 dnl by design and obsolete since 1994. Try -lcurses last, because
165 dnl libcurses is unusable on some old Unices.
166 for extra_lib in "" ncurses termcap curses; do
167 LIBS="$am_save_LIBS $LIBREADLINE $LIBHISTORY"
168 if test -n "$extra_lib"; then
169 LIBS="$LIBS -l$extra_lib"
171 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
172 #include <readline/readline.h>
173 #include <readline/history.h>]], [[readline((char*)0); add_history((char*)0);]])],[gl_cv_lib_readline=yes],[])
174 if test "$gl_cv_lib_readline" = yes; then
175 if test -n "$extra_lib"; then
176 LIBREADLINE="$LIBREADLINE $LIBHISTORY -l$extra_lib"
177 LTLIBREADLINE="$LTLIBREADLINE $LTLIBHISTORY -l$extra_lib"
185 if test "$gl_cv_lib_readline" = yes; then
186 AC_DEFINE([HAVE_READLINE], 1, [Define if you have the readline library.])
187 AC_MSG_CHECKING([how to link with libreadline])
188 AC_MSG_RESULT([$LIBREADLINE])
189 AC_SEARCH_LIBS([rl_echo_signal_char], [readline],
190 AC_DEFINE([HAVE_RL_ECHO_SIGNAL_CHAR], 1, [Define if the readline library provides rl_echo_signal_char.]),[],[$LIBREADLINE])
191 AC_SEARCH_LIBS([rl_outstream], [readline],
192 AC_DEFINE([HAVE_RL_OUTSTREAM], 1, [Define if the readline library provides rl_outstream.]),[],[$LIBREADLINE])
194 dnl If $LIBREADLINE didn't lead to a usable library, we don't
195 dnl need $INCREADLINE either.
196 CPPFLAGS="$am_save_CPPFLAGS"
201 PSPP_OPTIONAL_PREREQ([libreadline (which may itself require libncurses or libtermcap)])
203 AC_SUBST(LIBREADLINE)
204 AC_SUBST(LTLIBREADLINE)
207 dnl Check for LC_PAPER, _NL_PAPER_WIDTH, _NL_PAPER_HEIGHT.
208 AC_DEFUN([PSPP_LC_PAPER],
209 [AC_CACHE_CHECK(for LC_PAPER, pspp_cv_lc_paper, [
214 #include <langinfo.h>
216 [(void) LC_PAPER; (void) _NL_PAPER_WIDTH; (void) _NL_PAPER_HEIGHT])],
217 [pspp_cv_lc_paper=yes])
219 if test "$pspp_cv_lc_paper" = yes; then
220 AC_DEFINE([HAVE_LC_PAPER], 1, [Define if you have LC_PAPER.])
225 # PSPP_LINK2_IFELSE(SOURCE1, SOURCE2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
226 # -------------------------------------------------------------
227 # Based on AC_LINK_IFELSE, but tries to link both SOURCE1 and SOURCE2
230 # Test that resulting file is executable; see the problem reported by mwoehlke
231 # in <http://lists.gnu.org/archive/html/bug-coreutils/2006-10/msg00048.html>.
232 # But skip the test when cross-compiling, to prevent problems like the one
233 # reported by Chris Johns in
234 # <http://lists.gnu.org/archive/html/autoconf/2007-03/msg00085.html>.
236 m4_define([PSPP_LINK2_IFELSE],
237 [m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
238 mv conftest.$ac_ext conftest1.$ac_ext
239 m4_ifvaln([$2], [AC_LANG_CONFTEST([$2])])dnl
240 mv conftest.$ac_ext conftest2.$ac_ext
241 rm -f conftest1.$ac_objext conftest2.$ac_objext conftest$ac_exeext
242 pspp_link2='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest1.$ac_ext conftest2.$ac_ext $LIBS >&5'
243 AS_IF([_AC_DO_STDERR($pspp_link2) && {
244 test -z "$ac_[]_AC_LANG_ABBREV[]_werror_flag" ||
245 test ! -s conftest.err
246 } && test -s conftest$ac_exeext && {
247 test "$cross_compiling" = yes ||
248 AS_TEST_X([conftest$ac_exeext])
251 [echo "$as_me: failed source file 1 of 2 was:" >&5
252 sed 's/^/| /' conftest1.$ac_ext >&5
253 echo "$as_me: failed source file 2 of 2 was:" >&5
254 sed 's/^/| /' conftest2.$ac_ext >&5
256 dnl Delete also the IPA/IPO (Inter Procedural Analysis/Optimization)
257 dnl information created by the PGI compiler (conftest_ipa8_conftest.oo),
258 dnl as it would interfere with the next link command.
259 rm -rf conftest.dSYM conftest1.dSYM conftest2.dSYM
260 rm -f core conftest.err conftest1.err conftest2.err
261 rm -f conftest1.$ac_objext conftest2.$ac_objext conftest*_ipa8_conftest*.oo
262 rm -f conftest$ac_exeext
263 rm -f m4_ifval([$1], [conftest1.$ac_ext]) m4_ifval([$2], [conftest1.$ac_ext])[]dnl
264 ])# PSPP_LINK2_IFELSE
266 # GSL uses "extern inline" without determining whether the compiler uses
267 # GCC inline rules or C99 inline rules. If it uses the latter then GSL
268 # will be broken without passing -fgnu89-inline to GCC.
269 AC_DEFUN([PSPP_GSL_NEEDS_FGNU89_INLINE],
270 [# GSL only uses "inline" at all if HAVE_INLINE is defined as a macro.
271 # In turn, gnulib's gl_INLINE is one macro that does that. We need to
272 # make sure that it has run by the time we run this test, otherwise we'll
273 # get a false result.
274 AC_REQUIRE([gl_INLINE])
275 PSPP_CHECK_CC_OPTION(
277 [AC_CACHE_CHECK([whether GSL needs -fgnu89-inline to link],
278 pspp_cv_gsl_needs_fgnu89_inline, [
280 [AC_LANG_PROGRAM([#include <gsl/gsl_math.h>
281 ], [GSL_MAX_INT(1,2);])],
282 [AC_LANG_SOURCE([#include <gsl/gsl_math.h>
284 [pspp_cv_gsl_needs_fgnu89_inline=no],
285 [pspp_cv_gsl_needs_fgnu89_inline=yes])])
286 if test "$pspp_cv_gsl_needs_fgnu89_inline" = "yes"; then
287 CFLAGS="$CFLAGS -fgnu89-inline"
291 AC_DEFUN([PSPP_CHECK_CLICKSEQUENCE],
292 [AC_REQUIRE([AM_INIT_AUTOMAKE]) # Defines MAKEINFO
293 AC_CACHE_CHECK([whether makeinfo supports @clicksequence],
294 [pspp_cv_have_clicksequence],
295 [cat > conftest.texi <<EOF
296 @setfilename conftest.info
297 @clicksequence{File @click{} Open}
299 echo "configure:__oline__: running $MAKEINFO conftest.texi >&AS_MESSAGE_LOG_FD" >&AS_MESSAGE_LOG_FD
300 eval "$MAKEINFO conftest.texi >&AS_MESSAGE_LOG_FD 2>&1"
302 echo "configure:__oline__: \$? = $retval" >&AS_MESSAGE_LOG_FD
303 if test $retval = 0; then
304 pspp_cv_have_clicksequence=yes
306 pspp_cv_have_clicksequence=no
308 rm -f conftest.texi conftest.info])
309 if test $pspp_cv_have_clicksequence = no; then
310 AC_MSG_ERROR([$MAKEINFO does not support @clicksequence.
311 Please install a newer or working version, or point the MAKEINFO variable
312 to one that is already installed.])
315 dnl Texinfo 4.13 generates broken DocBook XML. Probably other old
316 dnl versions do too, but that's the one that causes problems.
317 AC_DEFUN([PSPP_CHECK_MAKEINFO_DOCBOOK_XML],
318 [AC_REQUIRE([AM_INIT_AUTOMAKE]) # Defines MAKEINFO
320 [whether makeinfo generates broken DocBook XML],
321 [pspp_cv_broken_docbook_xml],
323 [$(eval "$MAKEINFO --version | head -1")],
324 [*texinfo*4.13*], [pspp_cv_broken_docbook_xml=yes],
325 [*texinfo*], [pspp_cv_broken_docbook_xml=no],
326 [*], [pspp_cv_broken_docbook_xml=yes])])
328 [BROKEN_DOCBOOK_XML], [test "$pspp_cv_broken_docbook_xml" = yes])])
330 # The following comes from Open vSwitch:
331 # ----------------------------------------------------------------------
332 # Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
334 # Licensed under the Apache License, Version 2.0 (the "License");
335 # you may not use this file except in compliance with the License.
336 # You may obtain a copy of the License at:
338 # http://www.apache.org/licenses/LICENSE-2.0
340 # Unless required by applicable law or agreed to in writing, software
341 # distributed under the License is distributed on an "AS IS" BASIS,
342 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
343 # See the License for the specific language governing permissions and
344 # limitations under the License.
346 dnl PSPP_ENABLE_WERROR
347 AC_DEFUN([PSPP_ENABLE_WERROR],
350 [AS_HELP_STRING([--enable-Werror], [Add -Werror to CFLAGS])],
351 [], [enable_Werror=no])
352 AC_CONFIG_COMMANDS_PRE(
353 [if test "X$enable_Werror" = Xyes; then
354 CFLAGS="$CFLAGS -Werror -Wno-error=deprecated-declarations"
355 # gnulib needs this, for now:
356 CFLAGS="$CFLAGS -Wno-error=attributes"
359 dnl Gnulib triggers the following error for me with GCC 12.x:
361 dnl In function 'convert_to_decimal',
362 dnl inlined from 'scale10_round_decimal_decoded' at ../gl/vasnprintf.c:1368:12:
363 dnl ../gl/vasnprintf.c:939:26: error: argument 1 value '18446744073709551615' exceeds maximum object size 9223372036854775807 [-Werror=alloc-size-larger-than=]
364 dnl 939 | char *c_ptr = (char *) malloc (xsum (xsum (extra_zeroes, c_len), 1));
365 dnl | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
367 dnl I prefer to just disable the error because I think the warning is wrong.
368 if test "X$enable_Werror" = Xyes; then
369 PSPP_ENABLE_OPTION([-Wno-error=alloc-size-larger-than=])
372 # The following comes from Open vSwitch:
373 # ----------------------------------------------------------------------
374 # Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
376 # Licensed under the Apache License, Version 2.0 (the "License");
377 # you may not use this file except in compliance with the License.
378 # You may obtain a copy of the License at:
380 # http://www.apache.org/licenses/LICENSE-2.0
382 # Unless required by applicable law or agreed to in writing, software
383 # distributed under the License is distributed on an "AS IS" BASIS,
384 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
385 # See the License for the specific language governing permissions and
386 # limitations under the License.
389 AC_DEFUN([PSPP_CHECK_DOT],
393 [dnl "dot" writes -V output to stderr:
394 if (dot -V) 2>&1 | grep '^dot - [[gG]]raphviz version' >/dev/null 2>&1; then
399 AM_CONDITIONAL([HAVE_DOT], [test "$pspp_cv_dot" = yes])])
402 dnl Check that xgettext is sufficiently recent
403 dnl Before calling this macro, AC_CHECK_PROGS([XGETTEXT], [xgettext]) should have been called,
404 dnl which sets the ac_cv_prog_XGETTEXT cache variable.
405 AC_DEFUN([PSPP_CHECK_XGETTEXT],
406 [AC_CACHE_CHECK([whether gettext is sufficiently recent],
407 [pspp_cv_progrecent_xgettext],
408 [pspp_cv_progrecent_xgettext=maybe
409 ver=`$ac_cv_prog_XGETTEXT --version | sed -n -e '/xgettext/s/[[^0-9]]*\([[0-9\.]][[0-9\.]]*\).*/\1/p'`
414 majmin=`echo $ver | sed -e 's/\.[[0-9]]*$//'`
415 major=`echo $majmin | sed -e 's/\.[[0-9]]*$//'`
416 minor=`echo $majmin | sed -e 's/^[[0-9]]*\.//'`
417 if test "$major" -lt 0; then
418 pspp_cv_progrecent_xgettext=no;
419 elif test "$minor" -lt 20; then
420 pspp_cv_progrecent_xgettext=no
422 pspp_cv_progrecent_xgettext=yes