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])])
78 CHECK_PERL_MODULE([Memory::Usage], [],
79 [PSPP_OPTIONAL_PREREQ([Memory::Usage Perl module for running Perl tests])])
82 dnl Check that Python 3 is available.
83 AC_DEFUN([PSPP_PYTHON3],
84 [AC_ARG_VAR([PYTHON3], [Python 3 interpreter])
85 AC_CHECK_PROGS([PYTHON3], [python3 python], [none])
86 if test "$PYTHON3" != no && $PYTHON3 -c '
88 sys.exit(0 if sys.version_info >= (3,4) else 1)
90 PSPP_REQUIRED_PREREQ([Python 3.4 (or later)])
94 dnl PSPP_CHECK_CC_OPTION([OPTION], [ACTION-IF-ACCEPTED], [ACTION-IF-REJECTED])
95 dnl Check whether the given C compiler OPTION is accepted.
96 dnl If so, execute ACTION-IF-ACCEPTED, otherwise ACTION-IF-REJECTED.
97 AC_DEFUN([PSPP_CHECK_CC_OPTION],
99 m4_define([pspp_cv_name], [pspp_cv_[]m4_translit([$1], [-], [_])])dnl
100 AC_CACHE_CHECK([whether $CC accepts $1], [pspp_cv_name],
101 [pspp_save_CFLAGS="$CFLAGS"
103 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(,)], [pspp_cv_name[]=yes], [pspp_cv_name[]=no])
104 CFLAGS="$pspp_save_CFLAGS"])
105 if test $pspp_cv_name = yes; then
106 m4_if([$2], [], [;], [$2])
108 m4_if([$3], [], [:], [$3])
112 # PSPP_ENABLE_OPTION comes from Open vSwitch:
113 # ----------------------------------------------------------------------
114 # Copyright (c) 2007-2017 Nicira, Inc.
116 # Licensed under the Apache License, Version 2.0 (the "License");
117 # you may not use this file except in compliance with the License.
118 # You may obtain a copy of the License at:
120 # http://www.apache.org/licenses/LICENSE-2.0
122 # Unless required by applicable law or agreed to in writing, software
123 # distributed under the License is distributed on an "AS IS" BASIS,
124 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
125 # See the License for the specific language governing permissions and
126 # limitations under the License.
127 dnl PSPP_ENABLE_OPTION([OPTION])
128 dnl Check whether the given C compiler OPTION is accepted.
129 dnl If so, add it to WARNING_FLAGS.
130 dnl Example: PSPP_ENABLE_OPTION([-Wdeclaration-after-statement])
131 AC_DEFUN([PSPP_ENABLE_OPTION],
132 [PSPP_CHECK_CC_OPTION([$1], [WARNING_FLAGS="$WARNING_FLAGS $1"])
133 AC_SUBST([WARNING_FLAGS])])
134 # ----------------------------------------------------------------------
136 dnl Check for readline and history libraries.
138 dnl Modified for PSPP, based on readline.m4 serial 3 from
139 dnl gnulib, which was written by Simon Josefsson, with help from Bruno
140 dnl Haible and Oskar Liljeblad.
142 AC_DEFUN([PSPP_READLINE],
144 dnl Prerequisites of AC_LIB_LINKFLAGS_BODY.
145 AC_REQUIRE([AC_LIB_PREPARE_PREFIX])
146 AC_REQUIRE([AC_LIB_RPATH])
148 dnl Search for libreadline and define LIBREADLINE, LTLIBREADLINE and
149 dnl INCREADLINE accordingly.
150 AC_LIB_LINKFLAGS_BODY([readline])
151 AC_LIB_LINKFLAGS_BODY([history])
153 dnl Add $INCREADLINE to CPPFLAGS before performing the following checks,
154 dnl because if the user has installed libreadline and not disabled its use
155 dnl via --without-libreadline-prefix, he wants to use it. The AC_LINK_IFELSE
156 dnl will then succeed.
157 am_save_CPPFLAGS="$CPPFLAGS"
158 AC_LIB_APPENDTOVAR([CPPFLAGS], [$INCREADLINE $INCHISTORY])
160 AC_CACHE_CHECK(for readline, gl_cv_lib_readline, [
161 gl_cv_lib_readline=no
163 dnl On some systems, -lreadline doesn't link without an additional
164 dnl -lncurses or -ltermcap.
165 dnl Try -lncurses before -ltermcap, because libtermcap is unsecure
166 dnl by design and obsolete since 1994. Try -lcurses last, because
167 dnl libcurses is unusable on some old Unices.
168 for extra_lib in "" ncurses termcap curses; do
169 LIBS="$am_save_LIBS $LIBREADLINE $LIBHISTORY"
170 if test -n "$extra_lib"; then
171 LIBS="$LIBS -l$extra_lib"
173 AC_LINK_IFELSE([AC_LANG_PROGRAM([[#include <stdio.h>
174 #include <readline/readline.h>
175 #include <readline/history.h>]], [[readline((char*)0); add_history((char*)0);]])],[gl_cv_lib_readline=yes],[])
176 if test "$gl_cv_lib_readline" = yes; then
177 if test -n "$extra_lib"; then
178 LIBREADLINE="$LIBREADLINE $LIBHISTORY -l$extra_lib"
179 LTLIBREADLINE="$LTLIBREADLINE $LTLIBHISTORY -l$extra_lib"
187 if test "$gl_cv_lib_readline" = yes; then
188 AC_DEFINE([HAVE_READLINE], 1, [Define if you have the readline library.])
189 AC_MSG_CHECKING([how to link with libreadline])
190 AC_MSG_RESULT([$LIBREADLINE])
191 AC_SEARCH_LIBS([rl_echo_signal_char], [readline],
192 AC_DEFINE([HAVE_RL_ECHO_SIGNAL_CHAR], 1, [Define if the readline library provides rl_echo_signal_char.]),[],[$LIBREADLINE])
193 AC_SEARCH_LIBS([rl_outstream], [readline],
194 AC_DEFINE([HAVE_RL_OUTSTREAM], 1, [Define if the readline library provides rl_outstream.]),[],[$LIBREADLINE])
196 dnl If $LIBREADLINE didn't lead to a usable library, we don't
197 dnl need $INCREADLINE either.
198 CPPFLAGS="$am_save_CPPFLAGS"
203 PSPP_OPTIONAL_PREREQ([libreadline (which may itself require libncurses or libtermcap)])
205 AC_SUBST(LIBREADLINE)
206 AC_SUBST(LTLIBREADLINE)
209 dnl Check for LC_PAPER, _NL_PAPER_WIDTH, _NL_PAPER_HEIGHT.
210 AC_DEFUN([PSPP_LC_PAPER],
211 [AC_CACHE_CHECK(for LC_PAPER, pspp_cv_lc_paper, [
216 #include <langinfo.h>
218 [(void) LC_PAPER; (void) _NL_PAPER_WIDTH; (void) _NL_PAPER_HEIGHT])],
219 [pspp_cv_lc_paper=yes])
221 if test "$pspp_cv_lc_paper" = yes; then
222 AC_DEFINE([HAVE_LC_PAPER], 1, [Define if you have LC_PAPER.])
227 # PSPP_LINK2_IFELSE(SOURCE1, SOURCE2, [ACTION-IF-TRUE], [ACTION-IF-FALSE])
228 # -------------------------------------------------------------
229 # Based on AC_LINK_IFELSE, but tries to link both SOURCE1 and SOURCE2
232 # Test that resulting file is executable; see the problem reported by mwoehlke
233 # in <http://lists.gnu.org/archive/html/bug-coreutils/2006-10/msg00048.html>.
234 # But skip the test when cross-compiling, to prevent problems like the one
235 # reported by Chris Johns in
236 # <http://lists.gnu.org/archive/html/autoconf/2007-03/msg00085.html>.
238 m4_define([PSPP_LINK2_IFELSE],
239 [m4_ifvaln([$1], [AC_LANG_CONFTEST([$1])])dnl
240 mv conftest.$ac_ext conftest1.$ac_ext
241 m4_ifvaln([$2], [AC_LANG_CONFTEST([$2])])dnl
242 mv conftest.$ac_ext conftest2.$ac_ext
243 rm -f conftest1.$ac_objext conftest2.$ac_objext conftest$ac_exeext
244 pspp_link2='$CC -o conftest$ac_exeext $CFLAGS $CPPFLAGS $LDFLAGS conftest1.$ac_ext conftest2.$ac_ext $LIBS >&5'
245 AS_IF([_AC_DO_STDERR($pspp_link2) && {
246 test -z "$ac_[]_AC_LANG_ABBREV[]_werror_flag" ||
247 test ! -s conftest.err
248 } && test -s conftest$ac_exeext && {
249 test "$cross_compiling" = yes ||
250 AS_TEST_X([conftest$ac_exeext])
253 [echo "$as_me: failed source file 1 of 2 was:" >&5
254 sed 's/^/| /' conftest1.$ac_ext >&5
255 echo "$as_me: failed source file 2 of 2 was:" >&5
256 sed 's/^/| /' conftest2.$ac_ext >&5
258 dnl Delete also the IPA/IPO (Inter Procedural Analysis/Optimization)
259 dnl information created by the PGI compiler (conftest_ipa8_conftest.oo),
260 dnl as it would interfere with the next link command.
261 rm -rf conftest.dSYM conftest1.dSYM conftest2.dSYM
262 rm -f core conftest.err conftest1.err conftest2.err
263 rm -f conftest1.$ac_objext conftest2.$ac_objext conftest*_ipa8_conftest*.oo
264 rm -f conftest$ac_exeext
265 rm -f m4_ifval([$1], [conftest1.$ac_ext]) m4_ifval([$2], [conftest1.$ac_ext])[]dnl
266 ])# PSPP_LINK2_IFELSE
268 # GSL uses "extern inline" without determining whether the compiler uses
269 # GCC inline rules or C99 inline rules. If it uses the latter then GSL
270 # will be broken without passing -fgnu89-inline to GCC.
271 AC_DEFUN([PSPP_GSL_NEEDS_FGNU89_INLINE],
272 [# GSL only uses "inline" at all if HAVE_INLINE is defined as a macro.
273 # In turn, gnulib's gl_INLINE is one macro that does that. We need to
274 # make sure that it has run by the time we run this test, otherwise we'll
275 # get a false result.
276 AC_REQUIRE([gl_INLINE])
277 PSPP_CHECK_CC_OPTION(
279 [AC_CACHE_CHECK([whether GSL needs -fgnu89-inline to link],
280 pspp_cv_gsl_needs_fgnu89_inline, [
282 [AC_LANG_PROGRAM([#include <gsl/gsl_math.h>
283 ], [GSL_MAX_INT(1,2);])],
284 [AC_LANG_SOURCE([#include <gsl/gsl_math.h>
286 [pspp_cv_gsl_needs_fgnu89_inline=no],
287 [pspp_cv_gsl_needs_fgnu89_inline=yes])])
288 if test "$pspp_cv_gsl_needs_fgnu89_inline" = "yes"; then
289 CFLAGS="$CFLAGS -fgnu89-inline"
293 AC_DEFUN([PSPP_CHECK_CLICKSEQUENCE],
294 [AC_REQUIRE([AM_INIT_AUTOMAKE]) # Defines MAKEINFO
295 AC_CACHE_CHECK([whether makeinfo supports @clicksequence],
296 [pspp_cv_have_clicksequence],
297 [cat > conftest.texi <<EOF
298 @setfilename conftest.info
299 @clicksequence{File @click{} Open}
301 echo "configure:__oline__: running $MAKEINFO conftest.texi >&AS_MESSAGE_LOG_FD" >&AS_MESSAGE_LOG_FD
302 eval "$MAKEINFO conftest.texi >&AS_MESSAGE_LOG_FD 2>&1"
304 echo "configure:__oline__: \$? = $retval" >&AS_MESSAGE_LOG_FD
305 if test $retval = 0; then
306 pspp_cv_have_clicksequence=yes
308 pspp_cv_have_clicksequence=no
310 rm -f conftest.texi conftest.info])
311 if test $pspp_cv_have_clicksequence = no; then
312 AC_MSG_ERROR([$MAKEINFO does not support @clicksequence.
313 Please install a newer or working version, or point the MAKEINFO variable
314 to one that is already installed.])
317 dnl Texinfo 4.13 generates broken DocBook XML. Probably other old
318 dnl versions do too, but that's the one that causes problems.
319 AC_DEFUN([PSPP_CHECK_MAKEINFO_DOCBOOK_XML],
320 [AC_REQUIRE([AM_INIT_AUTOMAKE]) # Defines MAKEINFO
322 [whether makeinfo generates broken DocBook XML],
323 [pspp_cv_broken_docbook_xml],
325 [$(eval "$MAKEINFO --version | head -1")],
326 [*texinfo*4.13*], [pspp_cv_broken_docbook_xml=yes],
327 [*texinfo*], [pspp_cv_broken_docbook_xml=no],
328 [*], [pspp_cv_broken_docbook_xml=yes])])
330 [BROKEN_DOCBOOK_XML], [test "$pspp_cv_broken_docbook_xml" = yes])])
332 # The following comes from Open vSwitch:
333 # ----------------------------------------------------------------------
334 # Copyright (c) 2008, 2009, 2010, 2011 Nicira Networks.
336 # Licensed under the Apache License, Version 2.0 (the "License");
337 # you may not use this file except in compliance with the License.
338 # You may obtain a copy of the License at:
340 # http://www.apache.org/licenses/LICENSE-2.0
342 # Unless required by applicable law or agreed to in writing, software
343 # distributed under the License is distributed on an "AS IS" BASIS,
344 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
345 # See the License for the specific language governing permissions and
346 # limitations under the License.
348 dnl PSPP_ENABLE_WERROR
349 AC_DEFUN([PSPP_ENABLE_WERROR],
352 [AC_HELP_STRING([--enable-Werror], [Add -Werror to CFLAGS])],
353 [], [enable_Werror=no])
354 AC_CONFIG_COMMANDS_PRE(
355 [if test "X$enable_Werror" = Xyes; then
356 CFLAGS="$CFLAGS -Werror -Wno-error=deprecated-declarations"
357 # gnulib needs this, for now:
358 CFLAGS="$CFLAGS -Wno-error=attributes"
361 # The following comes from Open vSwitch:
362 # ----------------------------------------------------------------------
363 # Copyright (c) 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015 Nicira, Inc.
365 # Licensed under the Apache License, Version 2.0 (the "License");
366 # you may not use this file except in compliance with the License.
367 # You may obtain a copy of the License at:
369 # http://www.apache.org/licenses/LICENSE-2.0
371 # Unless required by applicable law or agreed to in writing, software
372 # distributed under the License is distributed on an "AS IS" BASIS,
373 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
374 # See the License for the specific language governing permissions and
375 # limitations under the License.
378 AC_DEFUN([PSPP_CHECK_DOT],
382 [dnl "dot" writes -V output to stderr:
383 if (dot -V) 2>&1 | grep '^dot - [[gG]]raphviz version' >/dev/null 2>&1; then
388 AM_CONDITIONAL([HAVE_DOT], [test "$pspp_cv_dot" = yes])])
391 dnl Check that xgettext is sufficiently recent
392 dnl Before calling this macro, AC_CHECK_PROGS([XGETTEXT], [xgettext]) should have been called,
393 dnl which sets the ac_cv_prog_XGETTEXT cache variable.
394 AC_DEFUN([PSPP_CHECK_XGETTEXT],
395 [AC_CACHE_CHECK([whether gettext is sufficiently recent],
396 [pspp_cv_progrecent_xgettext],
397 [pspp_cv_progrecent_xgettext=maybe
398 ver=`$ac_cv_prog_XGETTEXT --version | sed -n -e '/xgettext/s/[[^0-9]]*\([[0-9\.]][[0-9\.]]*\).*/\1/p'`
403 majmin=`echo $ver | sed -e 's/\.[[0-9]]*$//'`
404 major=`echo $majmin | sed -e 's/\.[[0-9]]*$//'`
405 minor=`echo $majmin | sed -e 's/^[[0-9]]*\.//'`
406 if test "$major" -lt 0; then
407 pspp_cv_progrecent_xgettext=no;
408 elif test "$minor" -lt 20; then
409 pspp_cv_progrecent_xgettext=no
411 pspp_cv_progrecent_xgettext=yes