tests/mktests.sh

   1 #! /bin/sh
   2
   3 # Build some of the Autoconf test files.
   4
   5 # Copyright (C) 2000-2016 Free Software Foundation, Inc.
   6
   7 # This program is free software: you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation, either version 3 of the License, or
  10 # (at your option) any later version.
  11
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16
  17 # You should have received a copy of the GNU General Public License
  18 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  19
  20 # If we fail, clean up, but touch the output files.  We probably failed
  21 # because we used some non-portable tool.
  22
  23 as_me=`echo "$0" | sed 's|.*[\\/]||'`
  24
  25 outdir=tests
  26 acdefuns=$outdir/acdefuns.tmp
  27 audefuns=$outdir/audefuns.tmp
  28 requires=$outdir/requires.tmp
  29
  30 trap 'echo "'"$as_me"': failed." >&2
  31       rm -f $acdefuns $audefuns $requires $outdir/*.tat
  32       trap "" 0
  33       exit 1' \
  34      0 1 2 15
  35
  36 # If ever something goes wrong, fail, so that the trap is launched.
  37 set -e
  38
  39 # We need arguments.
  40 test $# != 0
  41
  42 # We need these arguments.
  43 src="$@"
  44
  45 # Set locale to C so that `sort' behaves in a uniform way.
  46 LANGUAGE=C; export LANGUAGE
  47 LANG=C; export LANG
  48 LC_ALL=C export LC_ALL
  49
  50
  51 # requires
  52 # --------
  53 # Get the list of macros that are required: there is little interest
  54 # in testing them since they will be run by the guy who requires them.
  55 sed -n 's/dnl.*//;s/.*AC_REQUIRE(\[*\([a-zA-Z0-9_]*\).*$/\1/p' $src |
  56   sort -u >$requires
  57
  58
  59 # exclude_list
  60 # ------------
  61 # Macros which must not be checked at all (not with AT_CHECK_MACRO nor
  62 # AT_CHECK_AU_MACRO).
  63 exclude_list='
  64         # Not a macro name at all.
  65         /^$/ {next}
  66
  67         # Not macros, just mapping from old variable name to a new one.
  68         /^ac_cv_prog_(gcc|gxx|g77)$/ {next}
  69 '
  70
  71
  72 # ac_exclude_list
  73 # ---------------
  74 # We try to test all the Autoconf macros with AT_CHECK_MACRO to check
  75 # for syntax problems, etc.  Not every macros can be run without
  76 # arguments, and some are already tested elsewhere.  AC_EXCLUDE_LIST
  77 # filters out the macros we don't want to test.
  78 ac_exclude_list='
  79         # Internal macros are used elsewhere.
  80         /^_?_AC_/ {next}
  81
  82         # Used in many places.
  83         /^AC_.*_IFELSE$/ {next}
  84         /^AC_LANG/ {next}
  85         /^AC_RUN_LOG$/ {next}
  86         /^AC_TRY/ {next}
  87
  88         # Need an argument.
  89         /^AC_(CANONICALIZE|PREFIX_PROGRAM|PREREQ)$/ {next}
  90         /^AC_(SEARCH_LIBS|REPLACE_FUNCS)$/ {next}
  91         /^AC_(CACHE_CHECK|COMPUTE)_INT$/ {next}
  92         /^AC_ARG_VAR$/ {next}
  93         /^AC_REQUIRE_SHELL_FN$/ {next}
  94
  95         # Performed in the semantics tests.
  96         /^AC_CHECK_(ALIGNOF|DECL|FILE|FUNC|HEADER|LIB|MEMBER|PROG|SIZEOF|(TARGET_)?TOOL|TYPE)S?$/ {next}
  97         /^AC_PATH_PROGS_FEATURE_CHECK$/ {next}
  98
  99         # Fail when the source does not exist.
 100         /^AC_CONFIG/ {next}
 101
 102         # AU defined to nothing.
 103         /^AC_(CYGWIN|CYGWIN32|EMXOS2|MING32|EXEEXT|OBJEXT)$/ {next}
 104
 105         # Produce "= val" because $1, the variable used to store the result,
 106         # is empty.
 107         /^AC_(F77|FC)_FUNC$/ {next}
 108         /^AC_FC_(PP_)?SRCEXT$/ {next}
 109         /^AC_PATH_((TARGET_)?TOOL|PROG)S?$/ {next}
 110
 111         # Is a number.
 112         /^AC_FD_CC$/ {next}
 113
 114         # Obsolete, but needs to be AC_DEFUNed.
 115         /^AC_FOREACH$/ {next}
 116
 117         # Require a file that is not shipped with Autoconf.  But it should.
 118         /^AC_FUNC_(GETLOADAVG|FNMATCH_GNU)$/ {next}
 119         /^AC_REPLACE_FNMATCH$/ {next}
 120
 121         # Obsolete, checked in semantics.
 122         /^AC_FUNC_WAIT3$/ {next}
 123         /^AC_FUNC_SETVBUF_REVERSED$/ {next}
 124         /^AC_SYS_RESTARTABLE_SYSCALLS$/ {next}
 125
 126         # Not intended to be invoked at the top level.
 127         /^AC_INCLUDES_DEFAULT$/ {next}
 128
 129         # AC_INIT includes all the AC_INIT macros.
 130         # There is an infinite m4 recursion if AC_INIT is used twice.
 131         /^AC_INIT/ {next}
 132
 133         # Checked in semantics.
 134         /^AC_(PROG_CC|C_CONST|C_VOLATILE)$/ {next}
 135         /^AC_PATH_XTRA$/ {next}
 136
 137         # Requires a working C++ compiler, which is not a given.
 138         /^AC_PROG_CXX_C_O$/ {next}
 139
 140         # Already tested by AT_CHECK_MACRO.
 141         /^AC_OUTPUT$/ {next}
 142
 143         # Tested alongside m4_divert_text.
 144         /^AC_PRESERVE_HELP_ORDER$/ {next}
 145 '
 146
 147
 148 # ac_exclude_script
 149 # -----------------
 150 # Build a single awk script out of the above.
 151 ac_exclude_script="$exclude_list $ac_exclude_list {print}"
 152
 153
 154 # au_exclude_list
 155 # ---------------
 156 # Check all AU_DEFUN'ed macros with AT_CHECK_AU_MACRO, except these.
 157 au_exclude_list='
 158         # Empty.
 159         /^AC_(C_CROSS|PROG_CC_(C[89]9|STDC))$/ {next}
 160
 161         # Use AC_REQUIRE.
 162         /^AC_(CYGWIN|MINGW32|EMXOS2)$/ {next}
 163
 164         # Already in configure.ac.
 165         /^AC_(INIT|OUTPUT)$/ {next}
 166
 167         # AC_LANG_SAVE needs user interaction to be removed.
 168         # AC_LANG_RESTORE cannot be used alone.
 169         /^AC_LANG_(SAVE|RESTORE)$/ {next}
 170
 171         # Need arguments and are tested elsewhere.
 172         /^AC_(LINK_FILES|PREREQ)$/ {next}
 173 '
 174
 175 # au_exclude_script
 176 # -----------------
 177 # Build a single awk script out of the above.
 178 au_exclude_script="$exclude_list $au_exclude_list {print}"
 179
 180
 181 ## ------------------------- ##
 182 ## Creating the test files.  ##
 183 ## ------------------------- ##
 184
 185 for file in $src
 186 do
 187   base=`echo "$file" | sed 's|.*[\\/]||;s|\..*||'`
 188   acbase=$outdir/ac$base
 189   # Get the list of macros which are defined in Autoconf level.
 190   # Get rid of the macros we are not interested in.
 191   sed -n -e 's/^AC_DEFUN(\[*\([a-zA-Z0-9_]*\).*$/\1/p' \
 192          -e 's/^AC_DEFUN_ONCE(\[*\([a-zA-Z0-9_]*\).*$/\1/p' $file |
 193     awk "$ac_exclude_script" |
 194     sort -u >$acdefuns
 195
 196   # Get the list of macros which are defined in Autoupdate level.
 197   sed -n 's/^AU_DEFUN(\[*\([a-zA-Z][a-zA-Z0-9_]*\).*$/\1/p' $file |
 198     awk "$au_exclude_script" |
 199     sort -u >$audefuns
 200
 201   # Filter out required macros.
 202   {
 203     sed 's/^ *//' <<MK_EOF
 204     # Generated by $as_me.                      -*- Autotest -*-
 205
 206     ## --------------------- ##
 207     ## Do not edit by hand.  ##
 208     ## --------------------- ##
 209
 210     # Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009
 211     # 2010 Free Software Foundation, Inc.
 212
 213     AT_BANNER([Testing autoconf/$base macros.])
 214
 215 MK_EOF
 216
 217     echo "# Modern macros."
 218     comm -23 $acdefuns $requires | sed 's/.*/AT_CHECK_MACRO([&])/'
 219     echo
 220     echo "# Obsolete macros."
 221     comm -23 $audefuns $requires | sed 's/.*/AT_CHECK_AU_MACRO([&])/'
 222   } >$acbase.tat
 223
 224   # In one atomic step so that if something above fails, the trap
 225   # preserves the old version of the file.  If there is nothing to
 226   # check, output /rien du tout/[1].
 227   if grep AT_CHECK $acbase.tat >/dev/null 2>&1; then
 228     mv -f $acbase.tat $acbase.at
 229   else
 230     rm -f $acbase.tat $acbase.at
 231     touch $acbase.at
 232   fi
 233   # Help people not to update these files by hand.
 234   chmod a-w $acbase.at
 235 done
 236
 237 rm -f $acdefuns $audefuns $requires
 238
 239 trap '' 0
 240 exit 0
 241
 242 # [1] En franc,ais dans le texte.