mirror of
git://git.sv.gnu.org/autoconf
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* bin/autoheader.in: Rewrite in Perl.
* tests/autoheader: Adjust.
This commit is contained in:
Akim Demaille
parent
cd0e85de14
commit
d7d052d158
@ -1,3 +1,8 @@
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2001-08-31 Akim Demaille <akim@epita.fr>
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* bin/autoheader.in: Rewrite in Perl.
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* tests/autoheader: Adjust.
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2001-08-31 Akim Demaille <akim@epita.fr>
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* bin/autoconf.in (--include, -I): New option.
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@ -1,5 +1,10 @@
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#! @SHELL@
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# -*- shell-script -*-
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#! @PERL@
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# -*- Perl -*-
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# @configure_input@
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eval 'exec @PERL@ -S $0 ${1+"$@"}'
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if 0;
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# autoheader -- create `config.h.in' from `configure.ac'
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# Copyright 1992, 1993, 1994, 1996, 1998, 1999, 2000, 2001
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# Free Software Foundation, Inc.
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@ -20,349 +25,303 @@
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# 02111-1307, USA.
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# Written by Roland McGrath.
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# Rewritten in Perl by Akim Demaille.
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me=`echo "$0" | sed -e 's,.*[/\\],,'`
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BEGIN
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{
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my $datadir = ($ENV{'autom4te_perllibdir'}
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|| $ENV{'AC_MACRODIR'}
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|| '@datadir@');
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unshift @INC, "$datadir";
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}
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usage="\
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use Getopt::Long;
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use File::Basename;
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use File::Compare;
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use File::Copy;
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use File::Spec;
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use IO::File;
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use Autom4te::General;
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use strict;
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# Using `do FILE', we need `local' vars.
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use vars qw ($config_h %verbatim %symbol);
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# Lib files.
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my $autoconf_dir = $ENV{"AC_MACRODIR"} || "@datadir@";
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my $autoconf = $ENV{'AUTOCONF'} || '@autoconf-name@';
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local $config_h;
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my $config_h_in;
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my $localdir = '.';
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my $force = 0;
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my @include;
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my @warning;
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# m4.
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my $m4 = $ENV{"M4"} || "@M4@";
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my $SIMPLE_BACKUP_SUFFIX = $ENV{'SIMPLE_BACKUP_SUFFIX'} || '~';
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## ---------- ##
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## Routines. ##
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## ---------- ##
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# $FILENAME
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# find_file ($FILENAME)
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# ---------------------
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# We match exactly the behavior of GNU m4: first look in the current
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# directory (which includes the case of absolute file names), and, if
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# the file is not absolute, just fail. Otherwise, look in the path.
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#
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# If the file is flagged as optional (ends with `?'), then return undef
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# if absent.
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sub find_file ($)
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{
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my ($filename) = @_;
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my $optional = 0;
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||||
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$optional = 1
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if $filename =~ s/\?$//;
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return File::Spec->canonpath ($filename)
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if -e $filename;
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if (File::Spec->file_name_is_absolute ($filename))
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{
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die "$me: no such file or directory: $filename\n"
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unless $optional;
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return undef;
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}
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foreach my $path (@include)
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{
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return File::Spec->canonpath (File::Spec->catfile ($path, $filename))
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if -e File::Spec->catfile ($path, $filename)
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}
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die "$me: no such file or directory: $filename\n"
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unless $optional;
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return undef;
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}
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# print_usage ()
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# --------------
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# Display usage (--help).
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sub print_usage ()
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{
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print <<"END";
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Usage: $0 [OPTION] ... [TEMPLATE-FILE]
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Create a template file of C \`#define' statements for \`configure' to
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use. To this end, scan TEMPLATE-FILE, or \`configure.ac' if present,
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or else \`configure.in'.
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Create a template file of C \`#define\' statements for \`configure\' to
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use. To this end, scan TEMPLATE-FILE, or \`configure.ac\' if present,
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or else \`configure.in\'.
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-h, --help print this help, then exit
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-V, --version print version number, then exit
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-v, --verbose verbosely report processing
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-d, --debug don't remove temporary files
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-d, --debug don\'t remove temporary files
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-f, --force consider all the files are obsolete
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-W, --warnings=CATEGORY report the warnings falling in CATEGORY
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|
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Warning categories include:
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\`obsolete' obsolete constructs
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\`all' all the warnings
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\`no-CATEGORY' turn off the warnings on CATEGORY
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\`none' turn off all the warnings
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\`error' warnings are error
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\`obsolete\' obsolete constructs
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\`all\' all the warnings
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\`no-CATEGORY\' turn off the warnings on CATEGORY
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\`none\' turn off all the warnings
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\`error\' warnings are error
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|
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Library directories:
|
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-A, --autoconf-dir=ACDIR Autoconf's macro files location (rarely needed)
|
||||
-l, --localdir=DIR location of \`aclocal.m4' and \`acconfig.h'
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||||
-A, --autoconf-dir=ACDIR Autoconf\'s macro files location (rarely needed)
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-l, --localdir=DIR location of \`aclocal.m4\' and \`acconfig.h\'
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||||
|
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Report bugs to <bug-autoconf@gnu.org>."
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Report bugs to <bug-autoconf\@gnu.org>.
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END
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exit 0;
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}
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version="\
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# print_version ()
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# ----------------
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# Display version (--version).
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sub print_version
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{
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print <<END;
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autoheader (@PACKAGE_NAME@) @VERSION@
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Written by Roland McGrath.
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Copyright 1992, 1993, 1994, 1996, 1998, 1999, 2000, 2001
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Free Software Foundation, Inc.
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This is free software; see the source for copying conditions. There is NO
|
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warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE."
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help="\
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Try \`$me --help' for more information."
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exit_missing_arg="\
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echo \"$me: option \\\`\$1' requires an argument\" >&2
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echo \"\$help\" >&2
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exit 1"
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# NLS nuisances.
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# Only set these to C if already set. These must not be set unconditionally
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# because not all systems understand e.g. LANG=C (notably SCO).
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# Fixing LC_MESSAGES prevents Solaris sh from translating var values in `set'!
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# Non-C LC_CTYPE values break the ctype check.
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if test "${LANG+set}" = set; then LANG=C; export LANG; fi
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if test "${LC_ALL+set}" = set; then LC_ALL=C; export LC_ALL; fi
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if test "${LC_MESSAGES+set}" = set; then LC_MESSAGES=C; export LC_MESSAGES; fi
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if test "${LC_CTYPE+set}" = set; then LC_CTYPE=C; export LC_CTYPE; fi
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|
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# Variables.
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||||
: ${AUTOCONF=@autoconf-name@}
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dir=`echo "$0" | sed -e 's,[^/]*$,,'`
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debug=false
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localdir=.
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force=false
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status=0
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tmp=
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verbose=:
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warning_all=false
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warning_error=false
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warning_obsolete=false
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# Parse command line.
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while test $# -gt 0 ; do
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optarg=`expr "x$1" : 'x--[^=]*=\(.*\)' \| \
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"x$1" : 'x-.\(.*\)'`
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case $1 in
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--version | -V )
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echo "$version" ; exit 0 ;;
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--help | -h )
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echo "$usage"; exit 0 ;;
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--debug | -d )
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debug=:; shift ;;
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--force | -f )
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force=:; shift ;;
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--verbose | -v )
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verbose=echo
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shift;;
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--localdir=* | -l?* )
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localdir=$optarg
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shift ;;
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--localdir | -l )
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test $# = 1 && eval "$exit_missing_arg"
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shift
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localdir=$1
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shift ;;
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--autoconf-dir=* | -A?* )
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||||
autoconf_dir=$optarg
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shift ;;
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||||
--autoconf-dir | -A )
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||||
test $# = 1 && eval "$exit_missing_arg"
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||||
shift
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||||
autoconf_dir=$1
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shift ;;
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--macrodir=* | -m?* )
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echo "$me: warning: --macrodir is obsolete, use --autoconf-dir" >&2
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||||
autoconf_dir=$optarg
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shift ;;
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||||
--macrodir | -m )
|
||||
echo "$me: warning: --macrodir is obsolete, use --autoconf-dir" >&2
|
||||
test $# = 1 && eval "$exit_missing_arg"
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shift
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autoconf_dir=$1
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shift ;;
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||||
--warnings=* | -W?* )
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||||
warnings=$warnings,$optarg
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shift ;;
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--warnings | -W )
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test $# = 1 && eval "$exit_missing_arg"
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shift
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warnings=$warnings,$1
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shift ;;
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-- ) # Stop option processing
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||||
shift; break ;;
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- ) # Use stdin as input.
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break ;;
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||||
-* )
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exec >&2
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echo "$me: invalid option $1"
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||||
echo "$help"
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exit 1 ;;
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||||
* )
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||||
break ;;
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||||
esac
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||||
done
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||||
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||||
# The warnings are the concatenation of 1. application's defaults
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||||
# (here, none), 2. $WARNINGS, $3 command line options, in that order.
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alphabet='abcdefghijklmnopqrstuvwxyz'
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ALPHABET='ABCDEFGHIJKLMNOPQRSTUVWXYZ'
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_ac_warnings=
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||||
for warning in `IFS=,; echo $WARNINGS,$warnings | tr $ALPHABET $alphabet`
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||||
do
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||||
case $warning in
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||||
'' | ,) continue;;
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||||
no-*) eval warning_`expr x$warning : 'xno-\(.*\)'`=false;;
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||||
*) eval warning_$warning=:;;
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||||
esac
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||||
done
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||||
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||||
# Trap on 0 to stop playing with `rm'.
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||||
$debug ||
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||||
{
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||||
trap 'status=$?; rm -rf $tmp && exit $status' 0
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||||
trap '(exit 1); exit 1' 1 2 13 15
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||||
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
|
||||
END
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||||
exit 0;
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||||
}
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||||
|
||||
# Create a (secure) tmp directory for tmp files.
|
||||
: ${TMPDIR=/tmp}
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||||
|
||||
# parse_args ()
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||||
# -------------
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||||
# Process any command line arguments.
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||||
sub parse_args ()
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||||
{
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||||
tmp=`(umask 077 && mktemp -d -q "$TMPDIR/ahXXXXXX") 2>/dev/null` &&
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||||
test -n "$tmp" && test -d "$tmp"
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||||
} ||
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||||
{
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||||
tmp=$TMPDIR/ah$$
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||||
(umask 077 && mkdir $tmp)
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||||
} ||
|
||||
{
|
||||
echo "$me: cannot create a temporary directory in $TMPDIR" >&2
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||||
(exit 1); exit 1
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||||
my $srcdir;
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||||
# F*k. Getopt seems bogus and dies when given `-' with `bundling'.
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||||
# If fixed some day, use this: '' => sub { push @ARGV, "-" }
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||||
my $stdin = grep /^-$/, @ARGV;
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||||
@ARGV = grep !/^-$/, @ARGV;
|
||||
Getopt::Long::config ("bundling");
|
||||
Getopt::Long::GetOptions ('A|autoconf-dir|m|macrodir=s' => \$autoconf_dir,
|
||||
'l|localdir=s' => \$localdir,
|
||||
'd|debug' => \$debug,
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||||
'h|help' => \&print_usage,
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||||
'V|version' => \&print_version,
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||||
'v|verbose' => \$verbose,
|
||||
'f|force' => \$force,
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||||
'W|warning' => \@warning)
|
||||
or exit 1;
|
||||
|
||||
push @ARGV, '-'
|
||||
if $stdin;
|
||||
|
||||
if (! @ARGV)
|
||||
{
|
||||
my $configure_ac = find_configure_ac;
|
||||
die "$me: no input file\n"
|
||||
unless $configure_ac;
|
||||
push @ARGV, $configure_ac;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
## -------------- ##
|
||||
## Main program. ##
|
||||
## -------------- ##
|
||||
|
||||
mktmpdir ('ah');
|
||||
parse_args;
|
||||
|
||||
# Preach.
|
||||
if ($warning_all || $warning_obsolete) &&
|
||||
(test -f $config_h.top ||
|
||||
test -f $config_h.bot ||
|
||||
test -f $localdir/acconfig.h); then
|
||||
sed -e "s/^ /$me: WARNING: /" >&2 <<\EOF
|
||||
Using auxiliary files such as `acconfig.h', `config.h.bot'
|
||||
and `config.h.top', to define templates for `config.h.in'
|
||||
my $config_h_top = find_file ("config.h.top?");
|
||||
my $config_h_bot = find_file ("config.h.bot?");
|
||||
my $acconfig_h = find_file ("acconfig.h?");
|
||||
if ($config_h_top || $config_h_bot || $acconfig_h)
|
||||
{
|
||||
my $msg = << "END";
|
||||
Using auxiliary files such as \`acconfig.h\', \`config.h.bot\'
|
||||
and \`config.h.top\', to define templates for \`config.h.in\'
|
||||
is deprecated and discouraged.
|
||||
|
||||
Using the third argument of `AC_DEFINE' and
|
||||
`AC_DEFINE_UNQUOTED' allows to define a template without
|
||||
`acconfig.h':
|
||||
Using the third argument of \`AC_DEFINE\' and
|
||||
\`AC_DEFINE_UNQUOTED\' allows to define a template without
|
||||
\`acconfig.h\':
|
||||
|
||||
AC_DEFINE([NEED_MAIN], 1,
|
||||
[Define if a function `main' is needed.])
|
||||
[Define if a function \`main\' is needed.])
|
||||
|
||||
More sophisticated templates can also be produced, see the
|
||||
documentation.
|
||||
EOF
|
||||
$warning_error && { (exit 1); exit 1; }
|
||||
fi
|
||||
|
||||
acconfigs=
|
||||
test -r $localdir/acconfig.h && acconfigs="$acconfigs $localdir/acconfig.h"
|
||||
|
||||
# Find the input file.
|
||||
case $# in
|
||||
0)
|
||||
case `ls configure.ac configure.in 2>/dev/null` in
|
||||
*ac*in )
|
||||
echo "$me: warning: both \`configure.ac' and \`configure.in' are present." >&2
|
||||
echo "$me: warning: proceeding with \`configure.ac'." >&2
|
||||
infile=configure.ac;;
|
||||
*ac ) infile=configure.ac;;
|
||||
*in ) infile=configure.in;;
|
||||
* )
|
||||
echo "$me: no input file" >&2
|
||||
(exit 1); exit 1;;
|
||||
esac
|
||||
infilename=$infile
|
||||
;;
|
||||
1) if test "x$1" = "x-"; then
|
||||
cat >$tmp/stdin
|
||||
infile=$tmp/stdin
|
||||
else
|
||||
infile=$1
|
||||
fi
|
||||
infilename="Standard input"
|
||||
;;
|
||||
*) exec >&2
|
||||
echo "$me: invalid number of arguments."
|
||||
echo "$help"
|
||||
(exit 1); exit 1;;
|
||||
esac
|
||||
END
|
||||
$msg =~ s/^ /WARNING: /gm;
|
||||
print STDERR $msg;
|
||||
}
|
||||
|
||||
# Set up autoconf.
|
||||
autoconf="$AUTOCONF --include=$autoconf_dir --include=$localdir "\
|
||||
`$verbose "--verbose "`\
|
||||
`$debug && echo "--debug "`
|
||||
$autoconf .= " --include=$autoconf_dir --include=$localdir";
|
||||
$autoconf .= ' --verbose' if $verbose;
|
||||
$autoconf .= ' --debug' if $debug;
|
||||
|
||||
# ----------------------- #
|
||||
# Real work starts here. #
|
||||
# ----------------------- #
|
||||
|
||||
# Source what the traces are trying to tell us.
|
||||
$verbose $me: running $autoconf to trace from $infile >&2
|
||||
$autoconf \
|
||||
--trace AC_CONFIG_HEADERS:': $${config_h="$1"}' \
|
||||
--trace AH_OUTPUT:'ac_verbatim_$1="\
|
||||
$2"' \
|
||||
--trace AC_DEFINE_TRACE_LITERAL:'syms="$$syms $1"' \
|
||||
$infile >$tmp/traces.sh || { (exit 1); exit 1; }
|
||||
|
||||
$verbose $me: sourcing $tmp/traces.sh >&2
|
||||
if (set -e && . $tmp/traces.sh) >/dev/null 2>&1; then
|
||||
. $tmp/traces.sh
|
||||
else
|
||||
echo "$me: error: shell error while sourcing $tmp/traces.sh" >&2
|
||||
(exit 1); exit 1
|
||||
fi
|
||||
|
||||
|
||||
# Make SYMS newline-separated rather than blank-separated, and remove dups.
|
||||
# Start each symbol with a blank (to match the blank after "#undef")
|
||||
# to reduce the possibility of mistakenly matching another symbol that
|
||||
# is a substring of it.
|
||||
# Beware that some of the symbols might actually be macro with arguments:
|
||||
# keep only their name.
|
||||
syms=`for sym in $syms; do echo $sym; done |
|
||||
sed -e 's/(.*//' |
|
||||
sort |
|
||||
uniq |
|
||||
sed -e 's@^@ @'`
|
||||
verbose "$me: running $autoconf to trace from $ARGV[0]";
|
||||
xsystem ("$autoconf "
|
||||
. " --trace AC_CONFIG_HEADERS:'\$\$config_h ||= \"\$1\";'"
|
||||
. " --trace AH_OUTPUT:'\$\$verbatim{\$1} = \"\\\n\$2\";'"
|
||||
. " --trace AC_DEFINE_TRACE_LITERAL:'\$\$symbol{\"\$1\"} = 1;'"
|
||||
. " $ARGV[0] >$tmp/traces.pl");
|
||||
|
||||
local (%verbatim, %symbol);
|
||||
do "$tmp/traces.pl";
|
||||
warn "couldn't parse $tmp/traces.pl: $@" if $@;
|
||||
die "$me: error: AC_CONFIG_HEADERS not found in $ARGV[0]\n"
|
||||
unless $config_h;
|
||||
|
||||
# We template only the first CONFIG_HEADER.
|
||||
config_h=`set X $config_h; echo $2`
|
||||
$config_h =~ s/ .*//;
|
||||
# Support "outfile[:infile]", defaulting infile="outfile.in".
|
||||
case "$config_h" in
|
||||
"") echo "$me: error: AC_CONFIG_HEADERS not found in $infile" >&2
|
||||
(exit 1); exit 1 ;;
|
||||
*:*) config_h_in=`echo "$config_h" | sed 's/.*://'`
|
||||
config_h=`echo "$config_h" | sed 's/:.*//'` ;;
|
||||
*) config_h_in="$config_h.in" ;;
|
||||
esac
|
||||
($config_h, $config_h_in) = split (':', $config_h, 2);
|
||||
$config_h_in ||= "$config_h.in";
|
||||
|
||||
my $out = new IO::File (">$tmp/config.hin");
|
||||
|
||||
# Don't write "do not edit" -- it will get copied into the
|
||||
# config.h, which it's ok to edit.
|
||||
cat <<EOF >$tmp/config.hin
|
||||
/* $config_h_in. Generated automatically from $infilename by autoheader. */
|
||||
EOF
|
||||
print $out "/* $config_h_in. Generated from $ARGV[0] by autoheader. */\n";
|
||||
|
||||
# Dump the top.
|
||||
test -r $config_h.top && cat $config_h.top >>$tmp/config.hin
|
||||
|
||||
# Dump `acconfig.h' but its bottom.
|
||||
test -r $localdir/acconfig.h &&
|
||||
sed '/@BOTTOM@/,$d;s/@TOP@//' $localdir/acconfig.h >>$tmp/config.hin
|
||||
# test -r $config_h.top && cat $config_h.top >>$tmp/config.hin
|
||||
#
|
||||
# # Dump `acconfig.h' but its bottom.
|
||||
# test -r $localdir/acconfig.h &&
|
||||
# sed '/@BOTTOM@/,$d;s/@TOP@//' $localdir/acconfig.h >>$tmp/config.hin
|
||||
|
||||
# Dump the templates from `configure.ac'.
|
||||
for verb in `(set) 2>&1 | sed -n -e '/^ac_verbatim/s/^\([^=]*\)=.*$/\1/p' | sort`; do
|
||||
eval value=\$$verb
|
||||
cat >>$tmp/config.hin <<EOF
|
||||
foreach (sort keys %verbatim)
|
||||
{
|
||||
print $out "$verbatim{$_}\n";
|
||||
}
|
||||
|
||||
$out->close;
|
||||
|
||||
# # Handle the case where @BOTTOM@ is the first line of acconfig.h.
|
||||
# test -r $localdir/acconfig.h &&
|
||||
# grep @BOTTOM@ $localdir/acconfig.h >/dev/null &&
|
||||
# sed -n '/@BOTTOM@/,${/@BOTTOM@/!p;}' $localdir/acconfig.h >>$tmp/config.hin
|
||||
# test -f $config_h.bot && cat $config_h.bot >>$tmp/config.hin
|
||||
|
||||
# # Check that all the symbols have a template.
|
||||
# $verbose $me: checking completeness of the template >&2
|
||||
# # Regexp for a white space.
|
||||
# w='[ ]'
|
||||
# if test -n "$syms"; then
|
||||
# for sym in $syms; do
|
||||
# if egrep "^#$w*[a-z]*$w$w*$sym($w*|$w.*)$" $tmp/config.hin >/dev/null; then
|
||||
# : # All is well.
|
||||
# else
|
||||
# echo "$me: No template for symbol \`$sym'" >&2
|
||||
# status=1
|
||||
# fi
|
||||
# done
|
||||
# fi
|
||||
|
||||
if (compare ("$tmp/config.hin", "$config_h_in") == 0)
|
||||
{
|
||||
# File didn't change, so don't update its mod time.
|
||||
print STDERR "$me: `$config_h_in' is unchanged\n"
|
||||
}
|
||||
else
|
||||
{
|
||||
# Back up and install the new one.
|
||||
if (-f $config_h_in)
|
||||
{
|
||||
move ("$config_h_in", "$config_h_in$SIMPLE_BACKUP_SUFFIX")
|
||||
or die "$me: cannot not backup $config_h_in: $!\n";
|
||||
}
|
||||
move ("$tmp/config.hin", "$config_h_in")
|
||||
or die "$me: cannot not update $config_h_in: $!\n";
|
||||
# print STDERR "$me: `$config_h_in' is updated\n";
|
||||
}
|
||||
|
||||
|
||||
__END__
|
||||
|
||||
$value
|
||||
EOF
|
||||
done
|
||||
|
||||
# Handle the case where @BOTTOM@ is the first line of acconfig.h.
|
||||
test -r $localdir/acconfig.h &&
|
||||
grep @BOTTOM@ $localdir/acconfig.h >/dev/null &&
|
||||
sed -n '/@BOTTOM@/,${/@BOTTOM@/!p;}' $localdir/acconfig.h >>$tmp/config.hin
|
||||
test -f $config_h.bot && cat $config_h.bot >>$tmp/config.hin
|
||||
|
||||
|
||||
# Check that all the symbols have a template.
|
||||
$verbose $me: checking completeness of the template >&2
|
||||
# Regexp for a white space.
|
||||
w='[ ]'
|
||||
if test -n "$syms"; then
|
||||
for sym in $syms; do
|
||||
if egrep "^#$w*[a-z]*$w$w*$sym($w*|$w.*)$" $tmp/config.hin >/dev/null; then
|
||||
: # All is well.
|
||||
else
|
||||
echo "$me: No template for symbol \`$sym'" >&2
|
||||
status=1
|
||||
fi
|
||||
done
|
||||
fi
|
||||
|
||||
|
||||
# If the run was successful, output the result.
|
||||
if test $status = 0; then
|
||||
if test $# = 0; then
|
||||
# Output is a file
|
||||
if test -f $config_h_in &&
|
||||
cmp -s $tmp/config.hin $config_h_in &&
|
||||
test "$force" != :; then
|
||||
# File didn't change, so don't update its mod time.
|
||||
echo "$me: $config_h_in is unchanged" >&2
|
||||
else
|
||||
mv -f $tmp/config.hin $config_h_in
|
||||
fi
|
||||
else
|
||||
# Output is stdout
|
||||
cat $tmp/config.hin
|
||||
fi
|
||||
fi
|
||||
|
||||
(exit $status); exit $status
|
||||
|
||||
@ -1,8 +1,14 @@
|
||||
#! /bin/sh
|
||||
# Running `$0' as if it were installed.
|
||||
|
||||
me=`echo "$0" | sed -e 's,.*[\\/],,'`
|
||||
# Running `autoheader' as if it were installed.
|
||||
|
||||
. ./atconfig
|
||||
|
||||
exec ../bin/$me --autoconf-dir ../lib ${1+"$@"}
|
||||
# Be sure to use the non installed Perl modules.
|
||||
# We need no special protection for the subtools (e.g., autoheader runs
|
||||
# autoconf which runs autom4te) because by themselves, they try to use
|
||||
# subtools from the same directory (i.e., foo/autoheader will run
|
||||
# foo/autoconf etc.).
|
||||
autom4te_perllibdir=$top_srcdir/lib
|
||||
export autom4te_perllibdir
|
||||
|
||||
exec ../bin/autoheader --autoconf-dir ../lib ${1+"$@"}
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user