tests/mktests.sh

   1 #! /bin/sh
   2
   3 # Build some of the Autoconf test files.
   4
   5 # Copyright (C) 2000-2011 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 "$0" | sed 's|.*[\\/]||'`
  24
  25 trap 'echo "'"$as_me"': failed." >&2
  26       rm -f acdefuns audefuns requires *.tat
  27       trap "" 0
  28       exit 1' \
  29      0 1 2 15
  30
  31 # If ever something goes wrong, fail, so that the trap is launched.
  32 set -e
  33
  34 # We need arguments.
  35 test $# != 0
  36
  37 # We need these arguments.
  38 src="$@"
  39
  40 # Set locale to C so that `sort' behaves in a uniform way.
  41 LANGUAGE=C; export LANGUAGE
  42 LANG=C; export LANG
  43 LC_ALL=C export LC_ALL
  44
  45
  46 # requires
  47 # --------
  48 # Get the list of macros that are required: there is little interest
  49 # in testing them since they will be run by the guy who requires them.
  50 sed -n 's/dnl.*//;s/.*AC_REQUIRE(\[*\([a-zA-Z0-9_]*\).*$/\1/p' $src |
  51   sort -u >requires
  52
  53
  54 # exclude_list
  55 # ------------
  56 # Macros which must not be checked at all (not with AT_CHECK_MACRO nor
  57 # AT_CHECK_AU_MACRO).
  58 exclude_list='
  59         # Not a macro name at all.
  60         /^$/ {next}
  61
  62         # Not macros, just mapping from old variable name to a new one.
  63         /^ac_cv_prog_(gcc|gxx|g77)$/ {next}
  64 '
  65
  66
  67 # ac_exclude_list
  68 # ---------------
  69 # We try to test all the Autoconf macros with AT_CHECK_MACRO to check
  70 # for syntax problems, etc.  Not every macros can be run without
  71 # arguments, and some are already tested elsewhere.  AC_EXCLUDE_LIST
  72 # filters out the macros we don't want to test.
  73 ac_exclude_list='
  74         # Internal macros are used elsewhere.
  75         /^_?_AC_/ {next}
  76
  77         # Used in many places.
  78         /^AC_.*_IFELSE$/ {next}
  79         /^AC_LANG/ {next}
  80         /^AC_RUN_LOG$/ {next}
  81         /^AC_TRY/ {next}
  82
  83         # Need an argument.
  84         /^AC_(CANONICALIZE|PREFIX_PROGRAM|PREREQ)$/ {next}
  85         /^AC_(SEARCH_LIBS|REPLACE_FUNCS)$/ {next}
  86         /^AC_(CACHE_CHECK|COMPUTE)_INT$/ {next}
  87         /^AC_ARG_VAR$/ {next}
  88         /^AC_REQUIRE_SHELL_FN$/ {next}
  89
  90         # Performed in the semantics tests.
  91         /^AC_CHECK_(ALIGNOF|DECL|FILE|FUNC|HEADER|LIB|MEMBER|PROG|SIZEOF|(TARGET_)?TOOL|TYPE)S?$/ {next}
  92         /^AC_PATH_PROGS_FEATURE_CHECK$/ {next}
  93
  94         # Fail when the source does not exist.
  95         /^AC_CONFIG/ {next}
  96
  97         # AU defined to nothing.
  98         /^AC_(CYGWIN|CYGWIN32|EMXOS2|MING32|EXEEXT|OBJEXT)$/ {next}
  99
 100         # Produce "= val" because $1, the variable used to store the result,
 101         # is empty.
 102         /^AC_(F77|FC)_FUNC$/ {next}
 103         /^AC_FC_SRCEXT$/ {next}
 104         /^AC_PATH_((TARGET_)?TOOL|PROG)S?$/ {next}
 105
 106         # Is a number.
 107         /^AC_FD_CC$/ {next}
 108
 109         # Obsolete, but needs to be AC_DEFUNed.
 110         /^AC_FOREACH$/ {next}
 111
 112         # Require a file that is not shipped with Autoconf.  But it should.
 113         /^AC_FUNC_(GETLOADAVG|FNMATCH_GNU)$/ {next}
 114         /^AC_REPLACE_FNMATCH$/ {next}
 115
 116         # Obsolete, checked in semantics.
 117         /^AC_FUNC_WAIT3$/ {next}
 118         /^AC_FUNC_SETVBUF_REVERSED$/ {next}
 119         /^AC_SYS_RESTARTABLE_SYSCALLS$/ {next}
 120
 121         # Not intended to be invoked at the top level.
 122         /^AC_INCLUDES_DEFAULT$/ {next}
 123
 124         # AC_INIT includes all the AC_INIT macros.
 125         # There is an infinite m4 recursion if AC_INIT is used twice.
 126         /^AC_INIT/ {next}
 127
 128         # Checked in semantics.
 129         /^AC_(PROG_CC|C_CONST|C_VOLATILE)$/ {next}
 130         /^AC_PATH_XTRA$/ {next}
 131
 132         # Requires a working C++ compiler, which is not a given.
 133         /^AC_PROG_CXX_C_O$/ {next}
 134
 135         # Already tested by AT_CHECK_MACRO.
 136         /^AC_OUTPUT$/ {next}
 137
 138         # Tested alongside m4_divert_text.
 139         /^AC_PRESERVE_HELP_ORDER$/ {next}
 140 '
 141
 142
 143 # ac_exclude_script
 144 # -----------------
 145 # Build a single awk script out of the above.
 146 ac_exclude_script="$exclude_list $ac_exclude_list {print}"
 147
 148
 149 # au_exclude_list
 150 # ---------------
 151 # Check all AU_DEFUN'ed macros with AT_CHECK_AU_MACRO, except these.
 152 au_exclude_list='
 153         # Empty.
 154         /^AC_(C_CROSS|PROG_CC_STDC)$/ {next}
 155
 156         # Use AC_REQUIRE.
 157         /^AC_(CYGWIN|MINGW32|EMXOS2)$/ {next}
 158
 159         # Already in configure.ac.
 160         /^AC_(INIT|OUTPUT)$/ {next}
 161
 162         # AC_LANG_SAVE needs user interaction to be removed.
 163         # AC_LANG_RESTORE cannot be used alone.
 164         /^AC_LANG_(SAVE|RESTORE)$/ {next}
 165
 166         # Need arguments and are tested elsewhere.
 167         /^AC_(LINK_FILES|PREREQ)$/ {next}
 168 '
 169
 170 # au_exclude_script
 171 # -----------------
 172 # Build a single awk script out of the above.
 173 au_exclude_script="$exclude_list $au_exclude_list {print}"
 174
 175
 176 ## ------------------------- ##
 177 ## Creating the test files.  ##
 178 ## ------------------------- ##
 179
 180 for file in $src
 181 do
 182   base=`echo "$file" | sed 's|.*[\\/]||;s|\..*||'`
 183   # Get the list of macros which are defined in Autoconf level.
 184   # Get rid of the macros we are not interested in.
 185   sed -n -e 's/^AC_DEFUN(\[*\([a-zA-Z0-9_]*\).*$/\1/p' \
 186          -e 's/^AC_DEFUN_ONCE(\[*\([a-zA-Z0-9_]*\).*$/\1/p' $file |
 187     awk "$ac_exclude_script" |
 188     sort -u >acdefuns
 189
 190   # Get the list of macros which are defined in Autoupdate level.
 191   sed -n 's/^AU_DEFUN(\[*\([a-zA-Z][a-zA-Z0-9_]*\).*$/\1/p' $file |
 192     awk "$au_exclude_script" |
 193     sort -u >audefuns
 194
 195   # Filter out required macros.
 196   {
 197     sed 's/^ *//' <<MK_EOF
 198     # Generated by $as_me.                      -*- Autotest -*-
 199
 200     ## --------------------- ##
 201     ## Do not edit by hand.  ##
 202     ## --------------------- ##
 203
 204     # Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009
 205     # 2010 Free Software Foundation, Inc.
 206
 207     AT_BANNER([Testing autoconf/$base macros.])
 208
 209 MK_EOF
 210
 211     echo "# Modern macros."
 212     comm -23 acdefuns requires | sed 's/.*/AT_CHECK_MACRO([&])/'
 213     echo
 214     echo "# Obsolete macros."
 215     comm -23 audefuns requires | sed 's/.*/AT_CHECK_AU_MACRO([&])/'
 216   } >ac$base.tat
 217
 218   # In one atomic step so that if something above fails, the trap
 219   # preserves the old version of the file.  If there is nothing to
 220   # check, output /rien du tout/[1].
 221   if grep AT_CHECK ac$base.tat >/dev/null 2>&1; then
 222     mv -f ac$base.tat ac$base.at
 223   else
 224     rm -f ac$base.tat ac$base.at
 225     touch ac$base.at
 226   fi
 227   # Help people not to update these files by hand.
 228   chmod a-w ac$base.at
 229 done
 230
 231 rm -f acdefuns audefuns requires
 232
 233 trap '' 0
 234 exit 0
 235
 236 # [1] En franc,ais dans le texte.