From b8dcfd7925de398ceeb59bf8f947bd65c78f750a Mon Sep 17 00:00:00 2001
From: Tom Tromey <tromey@redhat.com>
Date: Sun, 30 Dec 2001 20:07:36 +0000
Subject: [PATCH] 	For PR automake/220: 	* tests/Makefile.am (TESTS):
 Added pr220.test. 	* tests/pr220.test: New file. 	* m4/cond.m4
 (AM_CONDITIONAL): Cause config.status to fail if 	conditional was never
 run.

---
 ChangeLog         |  6 ++++++
 m4/cond.m4        |  7 ++++++-
 tests/Makefile.am |  1 +
 tests/Makefile.in |  1 +
 tests/pr220.test  | 49 +++++++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 63 insertions(+), 1 deletion(-)
 create mode 100755 tests/pr220.test

diff --git a/ChangeLog b/ChangeLog
index 952e9ec..bd03a8d 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,11 @@
 2001-12-30  Tom Tromey  <tromey@redhat.com>
 
+	For PR automake/220:
+	* tests/Makefile.am (TESTS): Added pr220.test.
+	* tests/pr220.test: New file.
+	* m4/cond.m4 (AM_CONDITIONAL): Cause config.status to fail if
+	conditional was never run.
+
 	For PR automake/260:
 	* lib/depcomp (tru64): Correctly handle libtool case.
 	From doreille@smr.ch.
diff --git a/m4/cond.m4 b/m4/cond.m4
index 21537a4..04ca58f 100644
--- a/m4/cond.m4
+++ b/m4/cond.m4
@@ -35,4 +35,9 @@ if $2; then
 else
   $1_TRUE='#'
   $1_FALSE=
-fi])
+fi
+AC_CONFIG_COMMANDS_PRE(
+[if test -z "${$1_TRUE}" && test -z "${$1_FALSE}"; then
+  AC_MSG_ERROR([conditional \"$1\" was never defined.
+Usually this means the macro was only invoked conditionally.])
+fi])])
diff --git a/tests/Makefile.am b/tests/Makefile.am
index d3ffdd4..f5d82ec 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -239,6 +239,7 @@ pluseq7.test \
 pluseq8.test \
 ppf77.test \
 pr2.test \
+pr220.test \
 pr266.test \
 pr279.test \
 pr279-2.test \
diff --git a/tests/Makefile.in b/tests/Makefile.in
index e166e5c..32266a2 100644
--- a/tests/Makefile.in
+++ b/tests/Makefile.in
@@ -312,6 +312,7 @@ pluseq7.test \
 pluseq8.test \
 ppf77.test \
 pr2.test \
+pr220.test \
 pr266.test \
 pr279.test \
 pr279-2.test \
diff --git a/tests/pr220.test b/tests/pr220.test
new file mode 100755
index 0000000..c151201
--- /dev/null
+++ b/tests/pr220.test
@@ -0,0 +1,49 @@
+#! /bin/sh
+
+# Test for PR automake/220.
+ 
+. $srcdir/defs || exit 1
+
+cat >main.c <<EOF
+int main() { return 0; }
+EOF
+
+cat > Makefile.am << 'EOF'
+if NEVER_TRUE
+NEVER_DEFINED = missingfile.c
+endif
+
+bin_PROGRAMS = main
+main_SOURCES = main.c $(NEVER_DEFINED)
+EOF
+
+cat > configure.in << 'EOF'
+AC_INIT(main.c)
+AM_INIT_AUTOMAKE(test_am, 1.0)
+AC_PROG_CC
+AC_ARG_ENABLE(foo,
+[  --enanble-foo          Enable foo],
+[ if test "foo" = "bar" ; then
+    AM_CONDITIONAL(NEVER_TRUE, true)
+  else
+    AM_CONDITIONAL(NEVER_TRUE, false)
+  fi
+])
+AC_OUTPUT(Makefile)
+EOF
+
+# Fail gracefully if no gcc.
+(gcc -v) > /dev/null 2>&1 || exit 77
+
+touch README NEWS AUTHORS ChangeLog
+
+mkdir build
+
+$ACLOCAL \
+   && $AUTOCONF \
+   && $AUTOMAKE -a || exit 1
+
+cd build
+# configure should fail since we've done something invalid.
+CC='gcc' ../configure && exit 1
+exit 0
-- 
2.7.4