From: Paul Eggert <eggert@cs.ucla.edu>
Date: Wed, 17 Jul 2002 08:30:42 +0000 (+0000)
Subject: 2002-07-17  Mark D. Roth  <roth@feep.net>
X-Git-Tag: AUTOCONF-2.53b~11
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=66d5f073b51090ee302c08033181fc56bbcd2b7b;p=thirdparty%2Fautoconf.git

2002-07-17  Mark D. Roth  <roth@feep.net>

	* configure.ac: Add --enable-site-macro-dir option.
	* bin/Makefile.am: Expand @SITE_MACRO_DIR@.
	* bin/autom4te.in: Add --prepend-include, --include-envvar, and
	--site-macro-subdir options.
	* bin/autoconf.in: Add --prepend-include option.
	* bin/autoheader.in: Add --prepend-include option.
	* bin/autoreconf.in: Add --prepend-include option.
	* bin/autoscan.in: Add --prepend-include option.
	* bin/autoupdate.in: Add --prepend-include option.
	* doc/autoconf.texi: Document use of $AC_MACRO_PATH and site
	macro directory, remove note that include path directories are
	used in reverse order, and document --prepend-include option.
	* lib/autom4te.in: Use --prepend-include instead of --include.
	* tests/wrapsh.in: Use --prepend-include instead of --include.
---

diff --git a/ChangeLog b/ChangeLog
index 4094bb428..307ac0b4d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,20 @@
+2002-07-17  Mark D. Roth  <roth@feep.net>
+ 
+	* configure.ac: Add --enable-site-macro-dir option.
+	* bin/Makefile.am: Expand @SITE_MACRO_DIR@.
+	* bin/autom4te.in: Add --prepend-include, --include-envvar, and
+	--site-macro-subdir options.
+	* bin/autoconf.in: Add --prepend-include option.
+	* bin/autoheader.in: Add --prepend-include option.
+	* bin/autoreconf.in: Add --prepend-include option.
+	* bin/autoscan.in: Add --prepend-include option.
+	* bin/autoupdate.in: Add --prepend-include option.
+	* doc/autoconf.texi: Document use of $AC_MACRO_PATH and site
+	macro directory, remove note that include path directories are
+	used in reverse order, and document --prepend-include option.
+	* lib/autom4te.in: Use --prepend-include instead of --include.
+	* tests/wrapsh.in: Use --prepend-include instead of --include.
+
 2002-07-17  Akim Demaille  <akim@epita.fr>
 
 	* lib/autoconf/general.m4 (_AC_INIT_PACKAGE): `_' is allowed in
diff --git a/bin/Makefile.am b/bin/Makefile.am
index 16ec64c57..ee77975a9 100644
--- a/bin/Makefile.am
+++ b/bin/Makefile.am
@@ -45,7 +45,8 @@ edit = sed \
 	-e 's,@M4\@,$(M4),g' \
 	-e 's,@AWK\@,$(AWK),g' \
 	-e 's,@VERSION\@,$(VERSION),g' \
-	-e 's,@PACKAGE_NAME\@,$(PACKAGE_NAME),g'
+	-e 's,@PACKAGE_NAME\@,$(PACKAGE_NAME),g' \
+	-e 's,@SITE_MACRO_DIR\@,$(SITE_MACRO_DIR),g'
 
 # autoconf is written in M4sh.
 AUTOM4SH = $(top_builddir)/tests/autom4te --language M4sh
diff --git a/bin/autoconf.in b/bin/autoconf.in
index 7f36a4587..a433838af 100644
--- a/bin/autoconf.in
+++ b/bin/autoconf.in
@@ -107,7 +107,8 @@ Operation modes:
   -V, --version            print version number, then exit
   -v, --verbose            verbosely report processing
   -d, --debug              don't remove temporary files
-  -I, --include=DIR        look for input files in DIR (cumulative)
+  -B, --prepend-include=DIR   prepend directory DIR to search path
+  -I, --include=DIR           append directory DIR to search path
   -f, --force              consider all files obsolete
   -o, --output=FILE        save output in FILE (stdout is the default)
   -W, --warnings=CATEGORY  report the warnings falling in CATEGORY [syntax]
@@ -195,11 +196,13 @@ while test $# -gt 0 ; do
     --debug      | -d   | \
     --force      | -f   | \
     --include=*  | -I?* | \
+    --prepend-include=* | -B?* | \
     --warnings=* | -W?* )
        AUTOM4TE="$AUTOM4TE $1"; shift ;;
 
     # Options with separated arg passed as is to autom4te.
     --include | -I | \
+    --prepend-include | -B | \
     --warnings | -W )
        test $# = 1 && eval "$exit_missing_arg"
        AUTOM4TE="$AUTOM4TE $option $2"
diff --git a/bin/autoheader.in b/bin/autoheader.in
index 5187fb462..0a3f24f9f 100644
--- a/bin/autoheader.in
+++ b/bin/autoheader.in
@@ -44,6 +44,7 @@ use vars qw ($config_h %verbatim %symbol);
 my $autom4te = $ENV{'AUTOM4TE'} || '@bindir@/@autom4te-name@';
 local $config_h;
 my $config_h_in;
+my @prepend_include;
 my @include;
 my @warning;
 
@@ -72,7 +73,8 @@ Warning categories include:
   \`error\'         warnings are error
 
 Library directories:
-  -I, --include=DIR  look for files in DIR (cumulative)
+  -B, --prepend-include=DIR  prepend directory DIR to search path
+  -I, --include=DIR          append directory DIR to search path
 
 Report bugs to <bug-autoconf\@gnu.org>.
 END
@@ -103,6 +105,7 @@ sub parse_args ()
   my $srcdir;
 
   getopt ('I|include|A|autoconf-dir|m|macrodir|l|localdir=s' => \@include,
+	  'B|prepend-include=s' => \@prepend_include,
 	  'W|warning=s' => \@warning);
 
   if (! @ARGV)
@@ -123,9 +126,12 @@ mktmpdir ('ah');
 parse_args;
 
 # Preach.
-my $config_h_top = find_file ("config.h.top?", @include);
-my $config_h_bot = find_file ("config.h.bot?", @include);
-my $acconfig_h = find_file ("acconfig.h?", @include);
+my $config_h_top = find_file ("config.h.top?",
+			      reverse(@prepend_include), @include);
+my $config_h_bot = find_file ("config.h.bot?",
+			      reverse(@prepend_include), @include);
+my $acconfig_h = find_file ("acconfig.h?",
+			    reverse(@prepend_include), @include);
 if ($config_h_top || $config_h_bot || $acconfig_h)
   {
     my $msg = << "END";
@@ -150,6 +156,7 @@ END
 # Set up autoconf.
 my $autoconf = "$autom4te --language=autoconf ";
 $autoconf .= join (' ', map { "--include=$_" } @include);
+$autoconf .= join (' ', map { "--prepend-include=$_" } @prepend_include);
 $autoconf .= ' --debug' if $debug;
 $autoconf .= ' --force' if $force;
 $autoconf .= ' --verbose' if $verbose;
diff --git a/bin/autom4te.in b/bin/autom4te.in
index 11973d6c4..90d377bf8 100644
--- a/bin/autom4te.in
+++ b/bin/autom4te.in
@@ -389,7 +389,8 @@ Warning categories include:
 The environment variable \`WARNINGS\' is honored.
 
 Library directories:
-  -I, --include=DIR  look for FILES in DIR (cumulative)
+  -B, --prepend-include=DIR  prepend directory DIR to search path
+  -I, --include=DIR          append directory DIR to search path
 
 Tracing:
   -t, --trace=MACRO      report the MACRO invocations
@@ -484,6 +485,9 @@ sub parse_args ()
 
   # Process the arguments for real this time.
   my @trace;
+  my @prepend_include;
+  my $include_envvar;
+  my @site_macro_subdirs;
   getopt
     (
      # Operation modes:
@@ -493,7 +497,10 @@ sub parse_args ()
      "M|melt"       => \$melt,
 
      # Library directories:
+     "B|prepend-include=s" => \@prepend_include,
      "I|include=s" => \@include,
+     "include-envvar=s" => \$include_envvar,
+     "site-macro-subdir=s" => \@site_macro_subdirs,
 
      # Tracing:
      # Using a hash for traces is seducing.  Unfortunately, upon `-t FOO',
@@ -521,11 +528,19 @@ Try `$me --help' for more information.\n"
   $melt = 1
     if $freeze;
 
+  # Add directories from the appropriate env var to the include path.
+  @include = (@include, split(/:/, $ENV{$include_envvar}))
+    if defined($include_envvar) && exists($ENV{$include_envvar});
+
+  # Also add the site macro directory, if applicable.
+  map { @include = (@include, "@SITE_MACRO_DIR@/$_"); } @site_macro_subdirs
+    if ('@SITE_MACRO_DIR@' ne 'no') && @site_macro_subdirs;
+
   # Normalize the includes: the first occurrence is enough, several is
   # a pain since it introduces a useless difference in the path which
   # invalidates the cache.  And strip `.' which is implicit and always
   # first.
-  @include = grep { !/^\.$/ } uniq (@include);
+  @include = grep { !/^\.$/ } uniq (reverse(@prepend_include), @include);
 
   # Convert @trace to %trace, and work around the M4 builtins tracing
   # problem.
@@ -599,13 +614,10 @@ sub handle_m4 ($@)
   #
   # Neutralize its stdin, so that GNU M4 1.5 doesn't neutralize SIGINT.
   #
-  # Be extremely cautious to reverse the includes when talking to M4:
-  # it doesn't speak the same --include as we do.
-  #
   # We don't output directly to the cache files, to avoid problems
   # when we are interrupted (that leaves corrupted files).
   my $command = ("$m4"
-		 . join (' --include=', '', reverse @include)
+		 . join (' --include=', '', @include)
 		 . " --define=m4_warnings=$m4_warnings"
 		 . ' --debug=aflq'
 		 . " --error-output=$tcache" . $req->id . "t"
@@ -1056,7 +1068,7 @@ sub freeze ($)
   # output but comments and empty lines.
   my $command = ("$m4"
 		 . ' --fatal-warning'
-		 . join (' --include=', '', reverse @include)
+		 . join (' --include=', '', @include)
 		 . ' --define=divert'
 		 . " @ARGV"
 		 . ' </dev/null');
@@ -1079,7 +1091,7 @@ sub freeze ($)
   # or an improper paren etc.
   $command = ("$m4"
 	      . ' --fatal-warning'
-	      . join (' --include=', '', reverse @include)
+	      . join (' --include=', '', @include)
 	      . " --freeze-state=$output"
 	      . " @ARGV"
 	      . ' </dev/null');
diff --git a/bin/autoreconf.in b/bin/autoreconf.in
index 342b74ecf..cefb9dfba 100644
--- a/bin/autoreconf.in
+++ b/bin/autoreconf.in
@@ -65,7 +65,8 @@ Operation modes:
   -s, --symlink   instead of copying, install symbolic links
 
 Library directories:
-  -I, --include=DIR  look for FILES in DIR (cumulative)
+  -B, --prepend-include=DIR  prepend directory DIR to search path
+  -I, --include=DIR          append directory DIR to search path
 
 The environment variables AUTOCONF, AUTOHEADER, AUTOMAKE, ACLOCAL,
 AUTOPOINT, LIBTOOLIZE are honored.
@@ -93,6 +94,7 @@ my $autopoint  = $ENV{'AUTOPOINT'}  || 'autopoint';
 
 # --install -- as --add-missing in other tools.
 my $install = 0;
+my @prepend_include;
 my @include;
 my $status = 0;
 # symlink -- when --install, use symlinks instead.
@@ -116,6 +118,7 @@ sub parse_args ()
   my $srcdir;
 
   getopt ('I|include|A|autoconf-dir|m|macrodir|l|localdir=s' => \@include,
+	  'B|prepend-include=s'			     => \@prepend_include,
 	  'i|install'                                        => \$install,
 	  's|symlink'                                        => \$symlink);
 
@@ -145,7 +148,9 @@ sub parse_args ()
   # Dispatch autoreconf's option to the tools.
   # --include;
   $autoconf   .= join (' --include=', '', @include);
+  $autoconf   .= join (' --prepend-include=', '', @prepend_include);
   $autoheader .= join (' --include=', '', @include);
+  $autoheader .= join (' --prepend-include=', '', @prepend_include);
 
   # --install and --symlink;
   if ($install)
diff --git a/bin/autoscan.in b/bin/autoscan.in
index 9696bb8dd..e4455612c 100644
--- a/bin/autoscan.in
+++ b/bin/autoscan.in
@@ -80,6 +80,7 @@ my $log = new Autom4te::XFile ">$me.log";
 # Autoconf and lib files.
 my $autom4te = $ENV{'AUTOM4TE'} || '@bindir@/@autom4te-name@';
 my $autoconf = "$autom4te --language=autoconf";
+my @prepend_include;
 my @include = ('@datadir@');
 
 # $help
@@ -96,7 +97,8 @@ preliminary `configure.ac' for that package.
   -V, --version       print version number, then exit
   -v, --verbose       verbosely report processing
   -d, --debug         don't remove temporary files
-  -I, --include=DIR   look for input files in DIR (cumulative)
+  -B, --prepend-include=DIR  prepend directory DIR to search path
+  -I, --include=DIR          append directory DIR to search path
 
 Report bugs to <bug-autoconf\@gnu.org>.\n";
 
@@ -121,7 +123,8 @@ warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.\n";
 # Process any command line arguments.
 sub parse_args ()
 {
-  getopt ("I|include|A|autoconf-dir|m|macrodir=s" => \@include);
+  getopt ('I|include|A|autoconf-dir|m|macrodir=s' => \@include,
+	  'B|prepend-include=s' => @prepend_include);
 
   die "$me: too many arguments
 Try `$me --help' for more information.\n"
@@ -151,7 +154,8 @@ sub init_tables ()
   my $tables_are_consistent = 1;
   foreach my $kind (@kinds)
     {
-      my $file = find_file ("autoscan/$kind", @include);
+      my $file = find_file ("autoscan/$kind",
+                            reverse(@prepend_include), @include);
       my $table = new Autom4te::XFile $file;
       while ($_ = $table->getline)
 	{
@@ -586,6 +590,7 @@ parse_args;
 $autoconf .= " --debug" if $debug;
 $autoconf .= " --verbose" if $verbose;
 $autoconf .= join (' --include=', '', @include);
+$autoconf .= join (' --prepend-include=', '', @prepend_include);
 
 my $configure_ac = find_configure_ac;
 init_tables;
diff --git a/bin/autoupdate.in b/bin/autoupdate.in
index 4cabe586a..417f0b504 100644
--- a/bin/autoupdate.in
+++ b/bin/autoupdate.in
@@ -39,6 +39,7 @@ use strict;
 my $autom4te = $ENV{'AUTOM4TE'} || '@bindir@/@autom4te-name@';
 my $autoconf = "$autom4te --language=autoconf";
 # We need to find m4sugar.
+my @prepend_include;
 my @include = ('@datadir@');
 my $force = 0;
 # m4.
@@ -58,7 +59,8 @@ Operation modes:
   -V, --version        print version number, then exit
   -v, --verbose        verbosely report processing
   -d, --debug          don't remove temporary files
-  -I, --include=DIR    look for input files in DIR (cumulative)
+  -B, --prepend-include=DIR  prepend directory DIR to search path
+  -I, --include=DIR          append directory DIR to search path
   -f, --force          consider all files obsolete
 
 Report bugs to <bug-autoconf\@gnu.org>.
@@ -87,6 +89,7 @@ sub parse_args ()
   my $srcdir;
 
   getopt ('I|include|A|autoconf-dir|m|macrodir|l|localdir=s' => \@include,
+	  'B|prepend-include=s' => \@prepend_include,
 	  'f|force' => \$force);
 
   if (! @ARGV)
@@ -226,6 +229,7 @@ $autoconf .= " --debug" if $debug;
 $autoconf .= " --force" if $force;
 $autoconf .= " --verbose" if $verbose;
 $autoconf .= join (' --include=', '', @include);
+$autoconf .= join (' --prepend-include=', '', @prepend_include);
 
 mktmpdir ('au');
 handle_m4_macros;
@@ -382,9 +386,9 @@ EOF
        or die "$me: cannot close $tmp/input.m4: $!\n";
 
     # Now ask m4 to perform the update.
-    # M4 and I don't agree on the associativity of `--include': reverse!
-    xsystem ("$m4"
-	     . join (' --include=', '', reverse (@include, $tmp))
+    xsystem ("$m4 --include=$tmp"
+	     . join (' --include=', '', reverse (@prepend_include))
+	     . join (' --include=', '', @include)
 	     . " $tmp/input.m4 >$tmp/updated");
     update_file ("$tmp/updated",
 		 "$file" eq "$tmp/stdin" ? '-' : "$file");
diff --git a/configure.ac b/configure.ac
index b36abb03c..e38078500 100644
--- a/configure.ac
+++ b/configure.ac
@@ -31,6 +31,13 @@ AC_CONFIG_FILES([config/Makefile])
 
 AM_INIT_AUTOMAKE
 
+AC_ARG_ENABLE([site-macro-dir],
+  AC_HELP_STRING([--enable-site-macro-dir=DIR],
+    [use site macro directory DIR @<:@DATADIR/autoconf/site_macros@:>@]),
+  ,
+  [enable_site_macro_dir='${datadir}/autoconf/site_macros'])
+AC_SUBST([SITE_MACRO_DIR], "${enable_site_macro_dir}")
+
 # Initialize the test suite and build position independent wrappers.
 AC_CONFIG_TESTDIR([tests])
 AC_CONFIG_FILES([tests/Makefile tests/atlocal])
diff --git a/doc/autoconf.texi b/doc/autoconf.texi
index c0d6d97b9..2046bbe38 100644
--- a/doc/autoconf.texi
+++ b/doc/autoconf.texi
@@ -1089,8 +1089,11 @@ symbols it finds in them.  This output can be voluminous.
 
 @item --include=@var{dir}
 @itemx -I @var{dir}
-Also look for input files in @var{dir}.  Multiple invocations
-accumulate.  Directories are browsed from last to first.
+Append @var{dir} to the include path.  Multiple invocations accumulate.
+
+@item --prepend-include=@var{dir}
+@item -B @var{dir}
+Prepend @var{dir} to the include path.  Multiple invocations accumulate.
 @end table
 
 @node ifnames Invocation
@@ -1174,8 +1177,18 @@ Remake @file{configure} even if newer than its input files.
 
 @item --include=@var{dir}
 @itemx -I @var{dir}
-Also look for input files in @var{dir}.  Multiple invocations
-accumulate.  Directories are browsed from last to first.
+Append @var{dir} to the include path.  Multiple invocations accumulate.
+
+@item --prepend-include=@var{dir}
+@item -B @var{dir}
+Prepend @var{dir} to the include path.  Multiple invocations accumulate.
+
+After searching any directories specified using @option{--prepend-include}
+or @option{--include}, @command{autoconf} will also search the directories
+specified in the @code{AC_MACRO_PATH} environment variable, if set.
+And finally, @command{autoconf} will also search the system-wide site
+macro directory, which is set to
+@samp{$@{datadir@}/autoconf/site_macros/autoconf} by default.
 
 @item --output=@var{file}
 @itemx -o @var{file}
@@ -1447,8 +1460,11 @@ Instead of copying missing auxiliary files, install symbolic links.
 
 @item --include=@var{dir}
 @itemx -I @var{dir}
-Also look for input files in @var{dir}.  Multiple invocations
-accumulate.  Directories are browsed from last to first.
+Append @var{dir} to the include path.  Multiple invocations accumulate.
+
+@item --prepend-include=@var{dir}
+@item -B @var{dir}
+Prepend @var{dir} to the include path.  Multiple invocations accumulate.
 @end table
 
 
@@ -2533,8 +2549,11 @@ Remake the template file even if newer than its input files.
 
 @item --include=@var{dir}
 @itemx -I @var{dir}
-Also look for input files in @var{dir}.  Multiple invocations accumulate.
-Directories are browsed from last to first.
+Append @var{dir} to include path.  Multiple invocations accumulate.
+
+@item --prepend-include=@var{dir}
+@item -B @var{dir}
+Prepend @var{dir} to include path.  Multiple invocations accumulate.
 
 @item --warnings=@var{category}
 @itemx -W @var{category}
@@ -7114,8 +7133,7 @@ Don't remove the temporary files and be even more verbose.
 @item --include=@var{dir}
 @itemx -I @var{dir}
 Also look for input files in @var{dir}.  Multiple invocations
-accumulate.  Contrary to M4 but in agreement with common sense,
-directories are browsed from last to first.
+accumulate.
 
 @item --output=@var{file}
 @itemx -o @var{file}
@@ -7375,18 +7393,31 @@ create Autotest executable test suites.
 @item Autoconf
 create Autoconf executable configure scripts.
 @end table
+
+@item --prepend-include=@var{dir}
+@item -B @var{dir}
+Prepend directory @var{dir} to the search path.  This is used to include
+the language-specific files before any third-party macros.
+
+@item --include-envvar=@var{envvar}
+Add directories specified in the environment variable @var{envvar} to
+the search path.
+
+@item --site-macro-subdir=@var{subdir}
+If the site macro directory is set, add the subdirectory @var{subdir}
+of the site macro directory to the search path.
 @end table
 
 @cindex @file{autom4te.cfg}
 As an example, if Autoconf is installed in its default location,
-@file{/usr/local}, running @samp{autom4te -l m4sugar foo.m4} is strictly
-equivalent to running @samp{autom4te --include /usr/local/share/autoconf
-m4sugar/m4sugar.m4f --warning syntax foo.m4}.  Recursive expansion
-applies: running @samp{autom4te -l m4sh foo.m4}, is the same as
-@samp{autom4te --language M4sugar m4sugar/m4sh.m4f foo.m4}, i.e.,
-@samp{autom4te --include /usr/local/share/autoconf m4sugar/m4sugar.m4f
-m4sugar/m4sh.m4f --mode 777 foo.m4}.  The definition of the languages is
-stored in @file{autom4te.cfg}.
+@file{/usr/local}, running @samp{autom4te -l m4sugar foo.m4} is
+strictly equivalent to running @samp{autom4te --prepend-include
+/usr/local/share/autoconf m4sugar/m4sugar.m4f --warning syntax foo.m4}.
+Recursive expansion applies: running @samp{autom4te -l m4sh foo.m4},
+is the same as @samp{autom4te --language M4sugar m4sugar/m4sh.m4f
+foo.m4}, i.e., @samp{autom4te --prepend-include /usr/local/share/autoconf
+m4sugar/m4sugar.m4f m4sugar/m4sh.m4f --mode 777 foo.m4}.  The definition
+of the languages is stored in @file{autom4te.cfg}.
 
 
 @node Programming in M4sugar
diff --git a/lib/autom4te.in b/lib/autom4te.in
index fc4436910..c156a89c7 100644
--- a/lib/autom4te.in
+++ b/lib/autom4te.in
@@ -126,7 +126,9 @@ end-language: "Autoscan-preselections"
 ## ---------- ##
 
 begin-language: "Autoconf"
-args: --include @datadir@
+args: --prepend-include @datadir@
+args: --site-macro-subdir autoconf
+args: --include-envvar AC_MACRO_PATH
 args: autoconf/autoconf.m4f
 args: acsite.m4?
 args: aclocal.m4?
@@ -144,7 +146,9 @@ end-language: "Autoconf"
 ## -------- ##
 
 begin-language: "Autotest"
-args: --include @datadir@
+args: --prepend-include @datadir@
+args: --site-macro-subdir autotest
+args: --include-envvar AT_MACRO_PATH
 args: autotest/autotest.m4f
 args: package.m4?
 args: --mode 777
@@ -157,7 +161,9 @@ end-language: "Autotest"
 ## ---- ##
 
 begin-language: "M4sh"
-args: --include @datadir@
+args: --prepend-include @datadir@
+args: --site-macro-subdir m4sh
+args: --include-envvar M4SH_MACRO_PATH
 args: m4sugar/m4sh.m4f
 args: --mode 777
 args: --language M4sugar
@@ -169,7 +175,9 @@ end-language: "M4sh"
 ## ------- ##
 
 begin-language: "M4sugar"
-args: --include @datadir@
+args: --prepend-include @datadir@
+args: --site-macro-subdir m4sugar
+args: --include-envvar M4SUGAR_MACRO_PATH
 args: m4sugar/m4sugar.m4f
 args: --warning syntax
 end-language: "M4sugar"
diff --git a/tests/wrapsh.in b/tests/wrapsh.in
index 005603fd9..bb09a3b0f 100644
--- a/tests/wrapsh.in
+++ b/tests/wrapsh.in
@@ -77,4 +77,4 @@ echo X/"$0" |
 
 # @configure_input@
 # Running `$0' as if it were installed.
-exec @abs_top_builddir@/bin/$as_me --include @abs_top_builddir@/lib ${1+"$@"}
+exec @abs_top_builddir@/bin/$as_me --prepend-include @abs_top_builddir@/lib ${1+"$@"}