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Diffstat (limited to 'admin/conf.change.pl')
| -rw-r--r-- | admin/conf.change.pl | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/admin/conf.change.pl b/admin/conf.change.pl new file mode 100644 index 0000000..853d2a7 --- /dev/null +++ b/admin/conf.change.pl @@ -0,0 +1,191 @@ +#!/usr/bin/env perl + +# this script patches a config.status file, to use our own perl script +# in the main loop +# we do it this way to circumvent hacking (and thereby including) +# autoconf function (which are GPL) into our LGPL acinclude.m4.in +# written by Michael Matz <[email protected]> +# adapted by Dirk Mueller <[email protected]> +# +# This file is free software; you can redistribute it and/or +# modify it under the terms of the GNU Library General Public +# License as published by the Free Software Foundation; either +# version 2 of the License, or (at your option) any later version. + +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Library General Public License for more details. + +# You should have received a copy of the GNU Library General Public License +# along with this library; see the file COPYING.LIB. If not, write to +# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, +# Boston, MA 02111-1307, USA. + +# we have to change two places +# 1. the splitting of the substitutions into chunks of 90 (or even 48 in +# later autoconf's +# 2. the big main loop which patches all Makefile.in's + +use strict; +use File::Basename; + +my $ac_aux_dir = dirname($0); +my ($flag); +my $ac_version = 0; +my $vpath_seen = 0; +$flag = 0; + +while (<>) { +# usage of $flag: 0 -- we have seen nothing yet +# 1 -- we are in (1) +# 2 -- we have ended (1) +# 3 -- we are in (2) +# 4 -- we ended (2) + + if ($flag == 4) { + print; + } elsif ($flag == 0) { +# 1. begins with (including): "ac_max_sed_\S+\s*=\s*[0-9]+..." +# ends with (excluding) "CONFIG_FILE=..." +# in later autoconf (2.14.1) there is no CONFIG_FILES= line, +# but instead the (2) directly follow (1) + if (/^\s*ac_max_sed_([a-z]+).*=\s*([0-9]+)/ ) { + $flag = 1; + if ($1 eq 'lines') { + # lets hope its different with 2141, + # wasn't able to verify that + if ($2 eq '48') { + $ac_version = 250; + } + else { + $ac_version = 2141; + } + } elsif ($1 eq 'cmds') { + $ac_version = 213; + } + # hmm, we don't know the autoconf version, but we try anyway + } else { + print; + } + } elsif ($flag == 1) { + if (/^\s*CONFIG_FILES=/ && ($ac_version != 250)) { + print; + $flag = 2; + } elsif (/^\s*for\s+ac_file\s+in\s+.*CONFIG_FILES/ ) { + $flag = 3; + } + } elsif ($flag == 2) { +# 2. begins with: "for ac_file in.*CONFIG_FILES" (the next 'for' after (1)) +# end with: "rm -f conftest.s\*" +# on autoconf 250, it ends with '# CONFIG_HEADER section' +# +# gg: if a post-processing commands section is found first, +# stop there and insert a new loop to honor the case/esac. +# (pattern: /^\s+#\sRun the commands associated with the file./) + + if (/^\s*for\s+ac_file\s+in\s+.*CONFIG_FILES/ ) { + $flag = 3; + } else { + print; + } + } elsif ($flag == 3) { + if (/^\s*rm\s+-f\s+conftest/ ) { + $flag = 4; + &insert_main_loop(); + } elsif (/^\s*rm\s+-f\s+.*ac_cs_root/ ) { + $flag = 4; + &insert_main_loop(); + #die "hhhhhhh"; + if ($ac_version != 2141) { + print STDERR "hmm, don't know autoconf version\n"; + } + } elsif (/^\#\s*CONFIG_(HEADER|COMMANDS) section.*|^\s+#\s(Run) the commands associated/) { + $flag = 4; + my $commands = defined $2; + &insert_main_loop(); + $commands && insert_command_loop(); + if($ac_version != 250) { + print STDERR "hmm, something went wrong :-(\n"; + } + } elsif (/VPATH/ ) { + $vpath_seen = 1; + } + } +} + +die "wrong input (flag != 4)" unless $flag == 4; +print STDERR "hmm, don't know autoconf version\n" unless $ac_version; + +sub insert_main_loop { + + if ($ac_version == 250) { + &insert_main_loop_250(); + } + else { + &insert_main_loop_213(); + } +} + +sub insert_main_loop_250 { + + print <<EOF; + #echo Doing the fast build of Makefiles -- autoconf $ac_version +EOF + if ($vpath_seen) { + print <<EOF; + # VPATH subst was seen in original config.status main loop + echo '/^[ ]*VPATH[ ]*=[^:]*\$/d' >>\$tmp/subs.sed +EOF + } + print <<EOF; + rm -f \$tmp/subs.files + for ac_file in .. \$CONFIG_FILES ; do + if test "x\$ac_file" != x..; then + echo \$ac_file >> \$tmp/subs.files + fi + done + if test -f \$tmp/subs.files ; then + perl $ac_aux_dir/config.pl "\$tmp/subs.sed" "\$tmp/subs.files" "\$srcdir" "\$INSTALL" + fi + rm -f \$tmp/subs.files + +fi +EOF + return; +} + +sub insert_main_loop_213 { + print <<EOF; +#echo Doing the fast build of Makefiles -- autoconf $ac_version +if test "x\$ac_cs_root" = "x" ; then + ac_cs_root=conftest +fi +EOF + if ($vpath_seen) { + print <<EOF; +# VPATH subst was seen in original config.status main loop +echo '/^[ ]*VPATH[ ]*=[^:]*\$/d' >> \$ac_cs_root.subs +EOF + } + print <<EOF; +rm -f \$ac_cs_root.sacfiles +for ac_file in .. \$CONFIG_FILES ; do + if test "x\$ac_file" != x..; then + echo \$ac_file >> \$ac_cs_root.sacfiles + fi +done +if test -f \$ac_cs_root.sacfiles ; then + perl $ac_aux_dir/config.pl "\$ac_cs_root.subs" "\$ac_cs_root.sacfiles" "\$ac_given_srcdir" "\$ac_given_INSTALL" +fi +rm -f \$ac_cs_root.s* + +EOF + return; +} + +sub insert_command_loop { + print <<EOF; + for ac_file in .. \$CONFIG_FILES ; do +EOF +} |