wrapper updates

Firstly, 'am-wrapper.pl' is based on 'ac-wrapper.pl'.  This is a nifty
script by Guillaume Cottenceau (gc@mandrakesoft.com).  This release
adds updates for automake-1.6 detection.

1 files changed, 23 insertions, 6 deletions

diff --git a/am-wrapper.pl b/am-wrapper.pl
index 4aa266c..bb397c7 100755
--- a/am-wrapper.pl
+++ b/am-wrapper.pl
@@ -17,14 +17,24 @@
 #
 # - defaults to automake-1.4
 # - runs automake-1.6x if it exists and...
-#    - envvar WANT_AUTOMAKE_1_6 is set to `1'
+#   - envvar WANT_AUTOMAKE_1_6 is set to `1'
+#     -or-
+#   - `Makefile.in' was generated by automake-1.6 or superior, which
+#     specifically needs automake-1.6x
 # - runs automake-1.5x if it exists and...
-#    - envvar WANT_AUTOMAKE_1_5 is set to `1'
-# or - configure.ac is present
-# or - `configure.in' contains AC_PREREQ and the value's 3 first letters
+#   - envvar WANT_AUTOMAKE_1_5 is set to `1'
+#     -or-
+#   - configure.ac is present
+#     -or-
+#   - `configure.in' contains AC_PREREQ and the value's 3 first letters
 #      are stringwise greater than '2.1'
+#     -or-
+#   - `configure' is already present and was generated by autoconf greater than
+#     '2.1'
+#     -or-
+#   - `Makefile.in' was generated by automake-1.5x or superior, which
+#     specifically needs automake-1.5x
 #
-
 #use MDK::Common;
 
 sub cat_ { local *F; open F, $_[0] or return; my @l = <F>; wantarray ? @l : join '', @l }
@@ -33,14 +43,21 @@ my $binary      = "$0-1.4";
 my $binary_new  = "$0-1.5x";
 my $binary_vnew = "$0-1.6x";
 
+# question here is do we really want 1.5 or 1.6?  Out of a KDE outlook, it
+# should rather be 1.5, and since most people would rather have migrated to
+# 1.5, and then stay with it for a bit (those 1.4 die hards ..), only have
+# the 'configure.ac' test for 1.5 ...
 if (!$ENV{WANT_AUTOMAKE_1_4}) {
     if (-x $binary_vnew                  # user may not have _1_6
-	&& ($ENV{WANT_AUTOMAKE_1_6}) ) {
+	&& ($ENV{WANT_AUTOMAKE_1_6}
+	    || (cat_('Makefile.in') =~ /^# Makefile\.in generated by automake (\S+)/ ? $1 : '') ge '1.6')) {
 	$binary 		= $binary_vnew;
     } elsif (-x $binary_new                  # user may have only 2.13
 	&& ($ENV{WANT_AUTOMAKE_1_5}
 	    || -r 'configure.ac'
 	    || (cat_('configure.in') =~ /^\s*AC_PREREQ\(\[?([^\)]{3})[^\)]*\)/m ? $1 : '') gt '2.1' 
+	    || (cat_('configure') =~ /^# Generated by Autoconf (\S+)/m ? $1 : '') gt '2.1'
+	    || (cat_('Makefile.in') =~ /^# Makefile\.in generated by automake (\S+)/ ? $1 : '') ge '1.5'
 	    || (cat_('aclocal.m4') =~ /^\s*AC_PREREQ\(\[?([^\)]{3})[^\)]*\)/m ? $1 : '') gt '2.1')) {
 	$ENV{WANT_AUTOMAKE_1_5} = 1;    # to prevent further "cats" and to enhance consistency (possible cwd etc)
 	$binary 		= $binary_new;