1 # M4 macros used in building Autoconf test suites. -*- Autotest -*-
3 # Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
4 # 2009, 2010 Free Software Foundation, Inc.
6 # This program is free software: you can redistribute it and/or modify
7 # it under the terms of the GNU General Public License as published by
8 # the Free Software Foundation, either version 3 of the License, or
9 # (at your option) any later version.
11 # This program is distributed in the hope that it will be useful,
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 # GNU General Public License for more details.
16 # You should have received a copy of the GNU General Public License
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
19 m4_version_prereq([2.57])
22 m4_pattern_allow([^AS_EXIT$])
23 m4_pattern_allow([^m4_(define|shift)$])
25 # Programs this package provides
26 AT_TESTED([autom4te autoconf autoheader autoupdate autoreconf ifnames])
29 ## ---------------- ##
31 ## ---------------- ##
33 # AT_CMP(FILE-1, FILE-2)
34 # ----------------------
35 # Check FILE-1 and FILE-2 for equality, like `cmp FILE-1 FILE-2'.
37 [m4_ifval([$2],, [m4_fatal([AT_CMP takes two arguments.])])[]dnl
38 AT_CHECK([$at_diff "$1" "$2"])
42 ## ---------------- ##
44 ## ---------------- ##
46 # AT_CHECK_SHELL_SYNTAX(PROGRAM)
47 # ------------------------------
48 # If the shell handles `-n' well, use it to check the syntax of PROGRAM;
49 # otherwise, do nothing.
50 m4_define([AT_CHECK_SHELL_SYNTAX],
51 [AT_SKIP_IF([test "$ac_cv_sh_n_works" != yes])
52 AT_CHECK([/bin/sh -n $1])])
54 m4_define([AT_CHECK_PERL_SYNTAX],
55 [AT_CHECK([autom4te_perllibdir=$abs_top_srcdir/lib $PERL -c "$abs_top_builddir"/bin/$1],
58 ## ------------------ ##
59 ## Testing autom4te. ##
60 ## ------------------ ##
63 # AT_CHECK_M4(COMMAND, [EXIT-STATUS = 0], STDOUT, STDERR)
64 # -------------------------------------------------------
65 # If stderr is specified, normalize the observed stderr.
66 # This (using GNU M4 1.4.6)
68 # /usr/local/bin/m4:script.4s:1: cannot open `foo': No such file or directory
69 # autom4te: /usr/local/bin/m4 failed with exit status: 1
71 # or this (GNU M4 1.4.11)
73 # /usr/local/bin/m4:script.4s:1: include: cannot open `foo': No such file or directory
74 # autom4te: /usr/local/bin/m4 failed with exit status: 1
76 # or this (GNU M4 1.4 installed as gm4)
78 # script.4s:1: /usr/local/bin/gm4: Cannot open foo: No such file or directory
79 # autom4te: /usr/local/bin/gm4 failed with exit status: 1
83 # m4:script.4s:1: cannot open `foo': No such file or directory
84 # autom4te: m4 failed with exit status: 1
86 # We use the following sed patterns:
88 # (m4): ?(file): ?(line):
89 # or (file): ?(line): ?(m4):
90 # to m4:(file):(line):
93 # m4:(file):(line): Cannot open foo:
94 # or m4:(file):(line): include: cannot open `foo':
95 # to m4:(file):(line): cannot open `foo':
99 # or autom4te: [^ ]m4.exe
102 # Moreover, DJGPP error messages include the error code in brackets;
103 # remove the error code during normalization.
105 m4_define([AT_CHECK_M4],
106 [AT_CHECK([$1], [$2], [$3],
107 m4_case([$4], [], [], [ignore], [ignore], [stderr]))
108 m4_case([$4], [], [], [ignore], [],
109 [AT_CHECK([[sed 's/^[^:]*m4[.ex]*: *\([^:]*:\) *\([0-9][0-9]*: \)/m4:\1\2/
110 s/^\([^:]*:\) *\([0-9][0-9]*:\)[^:]*m4[.ex]*: /m4:\1\2 /
111 s/: C\(annot open \)\([^`:]*\):/: c\1`\2'\'':/
112 s/: include:\( cannot open\)/:\1/
113 s/^autom4te: [^ ]*m4[.ex]* /autom4te: m4 /
115 ' stderr >&2]], [0], [], [$4])])
118 # AT_CHECK_AUTOM4TE(FLAGS, [EXIT-STATUS = 0], STDOUT, STDERR)
119 # -----------------------------------------------------------
120 m4_define([AT_CHECK_AUTOM4TE],
121 [AT_CHECK_M4([autom4te $1], [$2], [$3], [$4])])
125 ## ----------------- ##
126 ## Testing M4sugar. ##
127 ## ----------------- ##
130 # AT_DATA_M4SUGAR(FILE-NAME, CONTENTS)
131 # ------------------------------------
132 # Escape the invalid tokens with @&t@.
133 m4_define([AT_DATA_M4SUGAR],
135 [m4_bpatsubst([$2], [\(@.\)\(.@\)\|\(m4\)\(_\)\|\(d\)\(nl\)],
136 [\1\3\5@&t@\2\4\6])])])
139 # AT_CHECK_M4SUGAR(FLAGS, [EXIT-STATUS = 0], STDOUT, STDERR)
140 # ----------------------------------------------------------
141 m4_define([AT_CHECK_M4SUGAR],
142 [AT_KEYWORDS([m4sugar])
143 AT_CHECK_AUTOM4TE([--language=m4sugar script.4s -o script $1],
153 # AT_DATA_M4SH(FILE-NAME, CONTENTS)
154 # ---------------------------------
155 # Escape the invalid tokens with @&t@.
156 m4_define([AT_DATA_M4SH],
158 [m4_bpatsubst([$2], [\(@.\)\(.@\)\|\(m4\|AS\)\(_\)\|\(d\)\(nl\)],
159 [\1\3\5@&t@\2\4\6])])])
162 # AT_CHECK_M4SH(FLAGS, [EXIT-STATUS = 0], STDOUT, STDERR)
163 # -------------------------------------------------------
164 m4_define([AT_CHECK_M4SH],
165 [AT_CHECK_AUTOM4TE([--language=m4sh script.as -o script $1],
170 ## ------------------ ##
171 ## Testing Autoconf. ##
172 ## ------------------ ##
175 # AT_DATA_AUTOCONF(FILE-NAME, CONTENTS)
176 # -------------------------------------
177 # Escape the invalid tokens with @&t@.
178 m4_define([AT_DATA_AUTOCONF],
180 [m4_bpatsubst([$2], [\(@.\)\(.@\)\|\(m4\|AS\|AC\)\(_\)\|\(d\)\(nl\)],
181 [\1\3\5@&t@\2\4\6])])])
185 # AT_CONFIGURE_AC(BODY)
186 # ---------------------
187 # Create a full configure.ac running BODY, with a config header set up,
188 # AC_OUTPUT, and environment checking hooks.
189 m4_define([AT_CONFIGURE_AC],
190 [AT_DATA([configure.ac],
192 AC_CONFIG_HEADERS(config.h:config.hin)
193 AC_STATE_SAVE(before)]
198 cp "$abs_top_srcdir/build-aux/install-sh" \
199 "$abs_top_srcdir/build-aux/config.guess" \
200 "$abs_top_srcdir/build-aux/config.sub" .
201 cp "$abs_top_srcdir/tests/statesave.m4" aclocal.m4
205 # AT_CHECK_AUTOCONF(ARGS, [EXIT-STATUS = 0], STDOUT, STDERR)
206 # ----------------------------------------------------------
207 # We always use "--force", to prevent problems with timestamps if the testsuite
208 # were running too fast.
209 m4_define([AT_CHECK_AUTOCONF],
210 [AT_CHECK_M4([autoconf --force $1], [$2], [$3], [$4])
211 if test -s configure && test "$ac_cv_sh_n_works" = yes; then
212 AT_CHECK_SHELL_SYNTAX([configure])
217 # AT_CHECK_AUTOHEADER(ARGS, [EXIT-STATUS = 0], STDOUT, STDERR)
218 # ------------------------------------------------------------
219 m4_define([AT_CHECK_AUTOHEADER],
220 [AT_CHECK([autoheader $1], [$2], [$3], [$4])
224 # AT_CHECK_CONFIGURE(END-COMMAND,
226 # [STDOUT = IGNORE], STDERR)
227 # ---------------------------------------------
228 # `abs_top_srcdir' is needed so that `./configure' finds install-sh.
229 # Using --srcdir is more expensive.
230 m4_define([AT_CHECK_CONFIGURE],
231 [AT_CAPTURE_FILE([config.log])[]dnl
232 AT_CHECK([./configure $configure_options $1],
234 m4_default([$3], [ignore]), [$4])])
239 # Check that the full configure run remained in its variable name space,
240 # and cleaned up tmp files.
242 # Perhaps grep -E is not supported, or perhaps it chokes on such a big regex.
243 # In this case just don't pay attention to the env. It would be great
244 # to keep the error message but we can't: that would break AT_CHECK.
246 # FreeBSD sh may intermingle the trace output from the egrep and grep
247 # commands in the pipe, so turn off tracing for these.
249 # Some tests might exit prematurely when they find a problem, in
250 # which case `env-after' is probably missing. Don't check it then.
252 # Here are the variables `configure' may modify during execution:
254 # M4sh's shell name space.
256 # Autoconf's shell name space.
257 # - prefix and exec_prefix
258 # are kept undefined (NONE) until AC_OUTPUT which then sets them to
259 # `/usr/local' and `${prefix}' for make.
260 # - (host|build|target)(_(alias|cpu|vendor|os))?
261 # Set by AC_CANONICAL_(HOST|BUILD|TARGET).
265 # Set by AC_SYS_INTERPRETER.
266 # - CONFIG_STATUS and DEFS
268 # - AC_SUBST'ed variables
269 # (FIXME: Generate a list of these automatically.)
270 # - _|@|.[*#?$].|argv|ARGC|LINENO|OLDPWD|PIPESTATUS|RANDOM|SECONDS
271 # Some variables some shells use and change.
272 # `.[*#?$].' catches `$#' etc. which are displayed like this:
277 m4_define([AT_CHECK_ENV],
278 [m4_divert_once([PREPARE_TESTS], [_AT_CHECK_ENV])dnl
279 AT_CHECK([at_check_env])])
280 m4_define([_AT_CHECK_ENV],
281 [AS_FUNCTION_DESCRIBE([at_check_env], [],
282 [Compare the directory and environment state both before and after a run,
283 and return non-zero status if they differ inappropriately.])
286 # Compare directory listings.
287 test -f state-ls.before ||
288 AS_ERROR([state-ls.before not present])
289 test -f state-ls.after \
290 && { $at_diff state-ls.before state-ls.after || return 1; }
291 # Compare variable space dumps.
292 if test -f state-env.before && test -f state-env.after; then
294 for act_file in state-env.before state-env.after
296 $EGREP -v '^(m4_join([|],
298 [(exec_)?prefix|DEFS|CONFIG_STATUS],
299 [CC|CFLAGS|CPP|GCC|CXX|CXXFLAGS|CXXCPP|GXX|F77|FFLAGS|FLIBS|G77],
300 [ERL|ERLC|ERLCFLAGS|ERLANG_PATH_ERL|ERLANG_ROOT_DIR|ERLANG_LIB_DIR],
301 [ERLANG_LIB_DIR_.*|ERLANG_LIB_VER_.*|ERLANG_INSTALL_LIB_DIR],
302 [ERLANG_INSTALL_LIB_DIR_.*|ERLANG_ERTS_VER|OBJC|OBJCPP|OBJCFLAGS],
303 [OBJCXX|OBJCXXCPP|OBJCXXFLAGS],
305 [LIBS|LIB@&t@OBJS|LTLIBOBJS|LDFLAGS],
306 [INSTALL(_(DATA|PROGRAM|SCRIPT))?],
307 [CYGWIN|ISC|MINGW32|MINIX|EMXOS2|XENIX|EXEEXT|OBJEXT],
308 [X_(CFLAGS|(EXTRA_|PRE_)?LIBS)|x_(includes|libraries)|(have|no)_x],
309 [(host|build|target)(_(alias|cpu|vendor|os))?],
311 [interpval|PATH_SEPARATOR],
312 [F77_DUMMY_MAIN|f77_(case|underscore)],
313 [FC(_DUMMY_MAIN|FLAGS|LIBS|FLAGS_f)?],
314 [ALLOCA|GETLOADAVG_LIBS|KMEM_GROUP|NEED_SETGID|POW_LIB],
315 [AWK|LEX|LEXLIB|LEX_OUTPUT_ROOT|LN_S|M4|MKDIR_P|RANLIB|SET_MAKE|YACC],
318 [argv|ARGC|LINENO|OLDPWD|PIPESTATUS|RANDOM|SECONDS]))=' \
319 $act_file 2>/dev/null |
320 # There may be variables spread on several lines; remove latter lines.
321 $GREP '^m4_defn([m4_re_word])=' >clean-$act_file
324 $at_diff clean-state-env.before clean-state-env.after
329 # AT_CONFIG_CMP(VAR-FILE-A, VAR-FILE-B)
330 # -------------------------------------
331 # Check the outcomes of two configure runs for equality by comparing dumps of
332 # their shell variables. VAR-FILE-A and VAR-FILE-B are two `set'-style shell
333 # variable space dumps.
335 # We permit variance between runs in the following shell variables:
337 # M4sh's shell name space.
338 # - ^ac_, excluding ^ac_cv_
339 # Autoconf's private shell name space.
347 # Furthermore, it is okay for a non-cache variable initialized to empty in one
348 # run to be unset in another run. This happens when, for example, cache update
349 # code tries a number of values in LIBS and eventually restores LIBS to its
350 # original value. If LIBS was previously unset, it will have become set and
351 # empty. (OTOH, cache variables indicate the result of the test even if they
352 # are empty, so we have to be strict about them.)
354 # Lines that do not look like `foo=bar' are probably latter lines of
355 # multiline values; trim them.
357 m4_define([AT_CONFIG_CMP],
358 [for act_file in $1 $2
361 /^m4_defn([m4_re_word])=./ !d
362 /^[[^=]]*='\'''\''$/ d
370 ' $act_file >at_config_vars-$act_file
372 AT_CMP([at_config_vars-$1], [at_config_vars-$2])[]dnl
376 # AT_CHECK_DEFINES(CONTENT)
377 # -------------------------
378 # Verify that config.h, once stripped, is CONTENT.
379 # Stripping consists of keeping CPP lines (i.e. containing a hash),
380 # but those of automatically checked features (STDC_HEADERS etc.)
381 # and symbols (PACKAGE_...).
382 # AT_CHECK_HEADER is a better name, but too close from AC_CHECK_HEADER.
383 m4_define([AT_CHECK_DEFINES],
384 [AT_CHECK([[sed '/#/!d
394 /UNISTD/d' config.h]],,
398 # AT_CHECK_AUTOUPDATE
399 # -------------------
400 m4_define([AT_CHECK_AUTOUPDATE],
401 [AT_CHECK([autoupdate $1], [$2], [$3], [$4])
405 # _AT_CHECK_AC_MACRO(AC-BODY, PRE-TESTS)
406 # --------------------------------------
407 # Create a minimalist configure.ac running the macro named
408 # NAME-OF-THE-MACRO, check that autoconf runs on that script,
409 # and that the shell runs correctly the configure.
410 m4_define([_AT_CHECK_AC_MACRO],
411 [AT_CONFIGURE_AC([$1])
417 ])# _AT_CHECK_AC_MACRO
420 # AT_CHECK_MACRO(MACRO, [MACRO-USE], [ADDITIONAL-CMDS],
421 # [AUTOCONF-FLAGS = -W obsolete])
422 # -----------------------------------------------------
423 # Create a minimalist configure.ac running the macro named
424 # NAME-OF-THE-MACRO, check that autoconf runs on that script,
425 # and that the shell runs correctly the configure.
427 # We run `configure' twice, both times with a cache, and compare
428 # the environment after each run to detect inconsistencies.
430 # New macros are not expected to depend upon obsolete macros.
431 m4_define([AT_CHECK_MACRO],
434 AT_CONFIGURE_AC([m4_default([$2], [$1])])
436 AT_CHECK_AUTOCONF([m4_default([$4], [-W obsolete])])
441 AT_CHECK_CONFIGURE([-C])
442 cp -f state-env.after state-env.$at_run
443 cp -f config.h config-h.$at_run
447 AT_CMP([config-h.r1], [config-h.r2])
448 AT_CONFIG_CMP([state-env.r1], [state-env.r2])
456 # AT_CHECK_MACRO_CROSS(MACRO, [MACRO-USE], [ADDITIONAL-CMDS],
457 # [AUTOCONF-FLAGS = -W obsolete])
458 # -----------------------------------------------------------
459 # Like the previous one, but creates two checks: for native
460 # compile and for cross-compile.
461 m4_define([AT_CHECK_MACRO_CROSS],
463 AT_CHECK_MACRO([$1 (cross compile)],
464 [AT_KEYWORDS([cross])
465 # Exercise the code used when cross-compiling.
468 m4_default([$2], [$1])],
473 # AT_CHECK_AU_MACRO(MACRO)
474 # ------------------------
475 # Create a minimalist configure.ac running the macro named
476 # NAME-OF-THE-MACRO, autoupdate this script, check that autoconf runs
477 # on that script, and that the shell runs correctly the configure.
479 # Updated configure.ac shall not depend upon obsolete macros, which votes
480 # in favor of `-W obsolete', but since many of these macros leave a message
481 # to be removed by the user once her code is adjusted, let's not check.
483 # Remove config.hin to avoid `autoheader: config.hin is unchanged'.
484 m4_define([AT_CHECK_AU_MACRO],
486 AT_KEYWORDS([autoupdate])
488 AT_CONFIGURE_AC([$1])
496 AT_CHECK_AUTOUPDATE([], 0, [], ignore)
497 AT_CHECK([grep '^$1$' configure.ac], 1)
505 ])# AT_CHECK_AU_MACRO
509 ## ----------------------- ##
510 ## Launch the test suite. ##
511 ## ----------------------- ##