tests/mktests.sh

   1 #! /bin/sh
   2
   3 # Build some of the Autoconf test files.
   4
   5 # Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008,
   6 # 2009, 2010 Free Software Foundation, Inc.
   7
   8 # This program is free software: you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation, either version 3 of the License, or
  11 # (at your option) any later version.
  12
  13 # This program is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17
  18 # You should have received a copy of the GNU General Public License
  19 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  20
  21 # If we fail, clean up, but touch the output files.  We probably failed
  22 # because we used some non-portable tool.
  23
  24 as_me=`echo "$0" | sed 's|.*[\\/]||'`
  25
  26 trap 'echo "'"$as_me"': failed." >&2
  27       rm -f acdefuns audefuns requires *.tat
  28       trap "" 0
  29       exit 1' \
  30      0 1 2 15
  31
  32 # If ever something goes wrong, fail, so that the trap is launched.
  33 set -e
  34
  35 # We need arguments.
  36 test $# != 0
  37
  38 # We need these arguments.
  39 src="$@"
  40
  41 # Set locale to C so that `sort' behaves in a uniform way.
  42 LANGUAGE=C; export LANGUAGE
  43 LANG=C; export LANG
  44 LC_ALL=C export LC_ALL
  45
  46
  47 # requires
  48 # --------
  49 # Get the list of macros that are required: there is little interest
  50 # in testing them since they will be run by the guy who requires them.
  51 sed -n 's/dnl.*//;s/.*AC_REQUIRE(\[*\([a-zA-Z0-9_]*\).*$/\1/p' $src |
  52   sort -u >requires
  53
  54
  55 # exclude_list
  56 # ------------
  57 # Macros which must not be checked at all (not with AT_CHECK_MACRO nor
  58 # AT_CHECK_AU_MACRO).
  59 exclude_list='
  60         # Not a macro name at all.
  61         /^$/ {next}
  62
  63         # Not macros, just mapping from old variable name to a new one.
  64         /^ac_cv_prog_(gcc|gxx|g77)$/ {next}
  65 '
  66
  67
  68 # ac_exclude_list
  69 # ---------------
  70 # We try to test all the Autoconf macros with AT_CHECK_MACRO to check
  71 # for syntax problems, etc.  Not every macros can be run without
  72 # arguments, and some are already tested elsewhere.  AC_EXCLUDE_LIST
  73 # filters out the macros we don't want to test.
  74 ac_exclude_list='
  75         # Internal macros are used elsewhere.
  76         /^_?_AC_/ {next}
  77
  78         # Used in many places.
  79         /^AC_.*_IFELSE$/ {next}
  80         /^AC_LANG/ {next}
  81         /^AC_RUN_LOG$/ {next}
  82         /^AC_TRY/ {next}
  83
  84         # Need an argument.
  85         /^AC_(CANONICALIZE|PREFIX_PROGRAM|PREREQ)$/ {next}
  86         /^AC_(SEARCH_LIBS|REPLACE_FUNCS)$/ {next}
  87         /^AC_(CACHE_CHECK|COMPUTE)_INT$/ {next}
  88         /^AC_ARG_VAR$/ {next}
  89         /^AC_REQUIRE_SHELL_FN$/ {next}
  90
  91         # Performed in the semantics tests.
  92         /^AC_CHECK_(ALIGNOF|DECL|FILE|FUNC|HEADER|LIB|MEMBER|PROG|SIZEOF|(TARGET_)?TOOL|TYPE)S?$/ {next}
  93         /^AC_PATH_PROGS_FEATURE_CHECK$/ {next}
  94
  95         # Fail when the source does not exist.
  96         /^AC_CONFIG/ {next}
  97
  98         # AU defined to nothing.
  99         /^AC_(CYGWIN|CYGWIN32|EMXOS2|MING32|EXEEXT|OBJEXT)$/ {next}
 100
 101         # Produce "= val" because $1, the variable used to store the result,
 102         # is empty.
 103         /^AC_(F77|FC)_FUNC$/ {next}
 104         /^AC_FC_SRCEXT$/ {next}
 105         /^AC_PATH_((TARGET_)?TOOL|PROG)S?$/ {next}
 106
 107         # Is a number.
 108         /^AC_FD_CC$/ {next}
 109
 110         # Obsolete, but needs to be AC_DEFUNed.
 111         /^AC_FOREACH$/ {next}
 112
 113         # Require a file that is not shipped with Autoconf.  But it should.
 114         /^AC_FUNC_(GETLOADAVG|FNMATCH_GNU)$/ {next}
 115         /^AC_REPLACE_FNMATCH$/ {next}
 116
 117         # Obsolete, checked in semantics.
 118         /^AC_FUNC_WAIT3$/ {next}
 119         /^AC_FUNC_SETVBUF_REVERSED$/ {next}
 120         /^AC_SYS_RESTARTABLE_SYSCALLS$/ {next}
 121
 122         # Not intended to be invoked at the top level.
 123         /^AC_INCLUDES_DEFAULT$/ {next}
 124
 125         # AC_INIT includes all the AC_INIT macros.
 126         # There is an infinite m4 recursion if AC_INIT is used twice.
 127         /^AC_INIT/ {next}
 128
 129         # Checked in semantics.
 130         /^AC_(PROG_CC|C_CONST|C_VOLATILE)$/ {next}
 131         /^AC_PATH_XTRA$/ {next}
 132
 133         # Requires a working C++ compiler, which is not a given.
 134         /^AC_PROG_CXX_C_O$/ {next}
 135
 136         # Already tested by AT_CHECK_MACRO.
 137         /^AC_OUTPUT$/ {next}
 138
 139         # Tested alongside m4_divert_text.
 140         /^AC_PRESERVE_HELP_ORDER$/ {next}
 141 '
 142
 143
 144 # ac_exclude_script
 145 # -----------------
 146 # Build a single awk script out of the above.
 147 ac_exclude_script="$exclude_list $ac_exclude_list {print}"
 148
 149
 150 # au_exclude_list
 151 # ---------------
 152 # Check all AU_DEFUN'ed macros with AT_CHECK_AU_MACRO, except these.
 153 au_exclude_list='
 154         # Empty.
 155         /^AC_(C_CROSS|PROG_CC_STDC)$/ {next}
 156
 157         # Use AC_REQUIRE.
 158         /^AC_(CYGWIN|MINGW32|EMXOS2)$/ {next}
 159
 160         # Already in configure.ac.
 161         /^AC_(INIT|OUTPUT)$/ {next}
 162
 163         # AC_LANG_SAVE needs user interaction to be removed.
 164         # AC_LANG_RESTORE cannot be used alone.
 165         /^AC_LANG_(SAVE|RESTORE)$/ {next}
 166
 167         # Need arguments and are tested elsewhere.
 168         /^AC_(LINK_FILES|PREREQ)$/ {next}
 169 '
 170
 171 # au_exclude_script
 172 # -----------------
 173 # Build a single awk script out of the above.
 174 au_exclude_script="$exclude_list $au_exclude_list {print}"
 175
 176
 177 ## ------------------------- ##
 178 ## Creating the test files.  ##
 179 ## ------------------------- ##
 180
 181 for file in $src
 182 do
 183   base=`echo "$file" | sed 's|.*[\\/]||;s|\..*||'`
 184   # Get the list of macros which are defined in Autoconf level.
 185   # Get rid of the macros we are not interested in.
 186   sed -n -e 's/^AC_DEFUN(\[*\([a-zA-Z0-9_]*\).*$/\1/p' \
 187          -e 's/^AC_DEFUN_ONCE(\[*\([a-zA-Z0-9_]*\).*$/\1/p' $file |
 188     awk "$ac_exclude_script" |
 189     sort -u >acdefuns
 190
 191   # Get the list of macros which are defined in Autoupdate level.
 192   sed -n 's/^AU_DEFUN(\[*\([a-zA-Z][a-zA-Z0-9_]*\).*$/\1/p' $file |
 193     awk "$au_exclude_script" |
 194     sort -u >audefuns
 195
 196   # Filter out required macros.
 197   {
 198     sed 's/^ *//' <<MK_EOF
 199     # Generated by $as_me.                      -*- Autotest -*-
 200
 201     ## --------------------- ##
 202     ## Do not edit by hand.  ##
 203     ## --------------------- ##
 204
 205     # Copyright (C) 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2008, 2009
 206     # 2010 Free Software Foundation, Inc.
 207
 208     AT_BANNER([Testing autoconf/$base macros.])
 209
 210 MK_EOF
 211
 212     echo "# Modern macros."
 213     comm -23 acdefuns requires | sed 's/.*/AT_CHECK_MACRO([&])/'
 214     echo
 215     echo "# Obsolete macros."
 216     comm -23 audefuns requires | sed 's/.*/AT_CHECK_AU_MACRO([&])/'
 217   } >ac$base.tat
 218
 219   # In one atomic step so that if something above fails, the trap
 220   # preserves the old version of the file.  If there is nothing to
 221   # check, output /rien du tout/[1].
 222   if grep AT_CHECK ac$base.tat >/dev/null 2>&1; then
 223     mv -f ac$base.tat ac$base.at
 224   else
 225     rm -f ac$base.tat ac$base.at
 226     touch ac$base.at
 227   fi
 228   # Help people not to update these files by hand.
 229   chmod a-w ac$base.at
 230 done
 231
 232 rm -f acdefuns audefuns requires
 233
 234 trap '' 0
 235 exit 0
 236
 237 # [1] En franc,ais dans le texte.