From afa149a79df8d49e9ee2b5dd94be79cf714fca77 Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Tue, 10 Dec 1996 07:58:06 +0000
Subject: [PATCH] skip AC_DEFUN lines

---
 ChangeLog         |  2 ++
 automake.in       |  5 +++++
 tests/ChangeLog   |  1 +
 tests/Makefile.am |  2 +-
 tests/Makefile.in |  2 +-
 tests/defun2.test | 23 +++++++++++++++++++++++
 6 files changed, 33 insertions(+), 2 deletions(-)
 create mode 100755 tests/defun2.test

diff --git a/ChangeLog b/ChangeLog
index 8ad83383..fc6dd5f9 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -2,6 +2,8 @@ Tue Dec 10 00:41:17 1996  Tom Tromey  <tromey@cygnus.com>
 
 	* automake.in (AC_SUBST_PATTERN): Check for alphanumeric variable
 	names only.  Test subst.test.
+	(scan_one_configure_file): Skip AC_DEFUN lines.  Test
+	defun2.test.
 
 Mon Dec  9 08:18:42 1996  Tom Tromey  <tromey@cygnus.com>
 
diff --git a/automake.in b/automake.in
index ccdc9b6a..4ea1879a 100755
--- a/automake.in
+++ b/automake.in
@@ -3169,6 +3169,11 @@ sub scan_one_configure_file
 	s/\bdnl\b.*$//;
 	s/\#.*$//;
 
+	# Skip macro definitions.  Otherwise we might be confused into
+	# thinking that a macro that was only defined was actually
+	# used.
+	next if /AC_DEFUN/;
+
 	# Populate libobjs array.
 	if (/AC_FUNC_ALLOCA/)
 	{
diff --git a/tests/ChangeLog b/tests/ChangeLog
index 064dbfe4..a2dbfc61 100644
--- a/tests/ChangeLog
+++ b/tests/ChangeLog
@@ -1,5 +1,6 @@
 Tue Dec 10 00:43:14 1996  Tom Tromey  <tromey@cygnus.com>
 
+	* defun2.test: New file.
 	* subst.test: New file.
 
 Sun Dec  8 12:25:22 1996  Tom Tromey  <tromey@cygnus.com>
diff --git a/tests/Makefile.am b/tests/Makefile.am
index aaa6c91a..b1a59f36 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -20,7 +20,7 @@ comment2.test vpath.test symlink.test discover.test acinclude.test req.test \
 acsilent.test distdir.test lex2.test libobj4.test libobj5.test version.test \
 ranlib.test confvar.test confvar2.test stdlib.test cxxo.test colon2.test \
 colon3.test remake.test output.test output2.test remake2.test output3.test \
-output4.test colneq2.test subst.test
+output4.test colneq2.test subst.test defun2.test
 
 EXTRA_DIST = defs $(TESTS)
 
diff --git a/tests/Makefile.in b/tests/Makefile.in
index b0c1e219..39c38288 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -62,7 +62,7 @@ comment2.test vpath.test symlink.test discover.test acinclude.test req.test \
 acsilent.test distdir.test lex2.test libobj4.test libobj5.test version.test \
 ranlib.test confvar.test confvar2.test stdlib.test cxxo.test colon2.test \
 colon3.test remake.test output.test output2.test remake2.test output3.test \
-output4.test colneq2.test subst.test
+output4.test colneq2.test subst.test defun2.test
 
 EXTRA_DIST = defs $(TESTS)
 mkinstalldirs = $(SHELL) $(top_srcdir)/mkinstalldirs
diff --git a/tests/defun2.test b/tests/defun2.test
new file mode 100755
index 00000000..d6869c5f
--- /dev/null
+++ b/tests/defun2.test
@@ -0,0 +1,23 @@
+#! /bin/sh
+
+# Make sure we don't mistake a macro definition for an invocation.
+# From Jim Meyering.
+
+. $srcdir/defs || exit 1
+
+cat >> configure.in << 'END'
+dnl if buggy this will require getloadavg.c
+AC_PROG_CC
+AC_DEFUN([AC_FUNC_GETLOADAVG],
+dnl need this to avoid LIBOBJS used but not defined.
+AC_FUNC_MEMCMP
+END
+
+cat > Makefile.am << 'END'
+bin_PROGRAMS = foo
+foo_LDADD = @LIBOBJS@
+END
+
+: > memcmp.c
+
+$AUTOMAKE
-- 
2.43.5