From 3e1f26e1351c7184123e843b0c1c441fa3c8bb15 Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Mon, 31 Dec 2001 01:01:03 +0000
Subject: [PATCH] 	For PR automake/211: 	* automake.in
 (object_compilation_map): New global. 	(initialize_per_input): Initialize it.
 	(COMPILE_LIBTOOL): New constant. 	(COMPILE_ORDINARY): Likewise. 
 * tests/Makefile.am (TESTS): Added pr211.test. 	* tests/pr211.test:
 New file.

---
 ChangeLog         |  8 ++++++++
 automake.in       | 26 ++++++++++++++++++++++++++
 tests/Makefile.am |  1 +
 tests/Makefile.in |  1 +
 tests/pr211.test  | 26 ++++++++++++++++++++++++++
 5 files changed, 62 insertions(+)
 create mode 100755 tests/pr211.test

diff --git a/ChangeLog b/ChangeLog
index 6da8767..133f338 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,13 @@
 2001-12-30  Tom Tromey  <tromey@redhat.com>
 
+	For PR automake/211:
+	* automake.in (object_compilation_map): New global.
+	(initialize_per_input): Initialize it.
+	(COMPILE_LIBTOOL): New constant.
+	(COMPILE_ORDINARY): Likewise.
+	* tests/Makefile.am (TESTS): Added pr211.test.
+	* tests/pr211.test: New file.
+
 	For PR automake/215:
 	* configure.in: Use AM_AUTOMAKE_OPTIONS.
 	* Makefile.am (AUTOMAKE_OPTIONS): Removed.
diff --git a/automake.in b/automake.in
index 4d0237a..725e871 100755
--- a/automake.in
+++ b/automake.in
@@ -236,6 +236,11 @@ my $LANG_IGNORE = 0;
 my $LANG_PROCESS = 1;
 my $LANG_SUBDIR = 2;
 
+# These are used when keeping track of whether an object can be built
+# by two different paths.
+my $COMPILE_LIBTOOL = 1;
+my $COMPILE_ORDINARY = 2;
+
 # Map from obsolete macros to hints for new macros.
 # If you change this, change the corresponding list in aclocal.in.
 # FIXME: should just put this into a single file.
@@ -551,6 +556,12 @@ my @dist_sources;
 # by a single source file.
 my %object_map;
 
+# This hash maps object file names onto an integer value representing
+# whether this object has been built via ordinary compilation or
+# libtool compilation (the COMPILE_* constants).
+my %object_compilation_map;
+
+
 # This keeps track of the directories for which we've already
 # created `.dirstamp' code.
 my %directory_map;
@@ -725,6 +736,7 @@ sub initialize_per_input ()
     @dist_sources = ();
 
     %object_map = ();
+    %object_compilation_map = ();
 
     %directory_map = ();
 
@@ -1967,6 +1979,20 @@ sub handle_single_transform_list ($$$$@)
             }
         }
 
+	my $comp_val = (($object =~ /\.lo$/)
+			? $COMPILE_LIBTOOL : $COMPILE_ORDINARY);
+	(my $comp_obj = $object) =~ s/\.lo$/.\$(OBJEXT)/;
+	if (defined $object_compilation_map{$comp_obj}
+	    && $object_compilation_map{$comp_obj} != 0
+	    # Only see the error once.
+	    && ($object_compilation_map{$comp_obj}
+		!= ($COMPILE_LIBTOOL | $COMPILE_ORDINARY))
+	    && $object_compilation_map{$comp_obj} != $comp_val)
+	{
+	    am_error ("object `$object' created both with libtool and without");
+	}
+	$object_compilation_map{$comp_obj} |= $comp_val;
+
 	if (defined $lang) {
 	    # Let the language do some special magic if required.
 	    $lang->target_hook ($aggregate, $object, $full);
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 7104b09..6472ffe 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -240,6 +240,7 @@ pluseq7.test \
 pluseq8.test \
 ppf77.test \
 pr2.test \
+pr211.test \
 pr220.test \
 pr243.test \
 pr266.test \
diff --git a/tests/Makefile.in b/tests/Makefile.in
index 58b0eb2..6e69068 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -313,6 +313,7 @@ pluseq7.test \
 pluseq8.test \
 ppf77.test \
 pr2.test \
+pr211.test \
 pr220.test \
 pr243.test \
 pr266.test \
diff --git a/tests/pr211.test b/tests/pr211.test
new file mode 100755
index 0000000..1d9fb0f
--- /dev/null
+++ b/tests/pr211.test
@@ -0,0 +1,26 @@
+#! /bin/sh
+
+# Test for PR 211.
+
+requires=libtoolize
+. $srcdir/defs || exit 1
+
+cat > configure.in << 'END'
+AC_INIT(Makefile.am)
+AM_INIT_AUTOMAKE(hello,0.23)
+AC_PROG_CC
+AC_PROG_LIBTOOL
+AC_OUTPUT(Makefile)
+END
+
+cat > Makefile.am << 'END'
+bin_PROGRAMS = helldl
+lib_LTLIBRARIES = libfoo.la
+helldl_SOURCES = foo.c
+libfoo_la_SOURCES = foo.c
+END
+
+libtoolize || exit 1
+$ACLOCAL || exit 1
+$AUTOMAKE -a && exit 1
+exit 0
-- 
2.7.4