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-rw-r--r--krootwarning/admin/conf.change.pl123
1 files changed, 123 insertions, 0 deletions
diff --git a/krootwarning/admin/conf.change.pl b/krootwarning/admin/conf.change.pl
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+#!/usr/bin/perl -w
+
+# 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 <matz@ifh.de>
+
+# 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 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'
+ 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 section.*/) {
+ $flag = 4;
+ insert_main_loop();
+ if($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;
+die "autoconf 2.50 is currently not supported" if $ac_version == 250;
+
+sub insert_main_loop {
+ 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" "\$ac_given_srcdir" "\$ac_given_INSTALL"
+fi
+rm -f \$ac_cs_root.s*
+
+EOF
+ return;
+}