1 files changed, 97 insertions, 0 deletions
diff --git a/t/subst-no-trailing-empty-line.sh b/t/subst-no-trailing-empty-line.sh
new file mode 100755
index 000000000..2069e3a1c
--- /dev/null
+++ b/t/subst-no-trailing-empty-line.sh
@@ -0,0 +1,97 @@
+#! /bin/sh
+# Copyright (C) 2003-2012 Free Software Foundation, Inc.
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# If the last line of a automake-rewritten definition is made only of
+# @substitutions@, automake should take care of appending an empty
+# variable to make sure that line cannot end up substituted as a blank
+# line (that would confuse HP-UX Make).
+# These checks have been introduced in commit 'Release-1-9-254-g9d0eaef'
+# into the former test 'subst2.test'.
+
+. ./defs || Exit 1
+
+# These are deliberately quite long, so that the xxx_PROGRAMS definition
+# in Makefile.am below will be split on multiple lines, with the last
+# line containing only @substituted@ stuff that expands to empty (this is
+# required to expose the bug we are testing).
+v1=ABCDEFGHIJKLMNOPQRSTUVWX
+v2=ABCDEFGHIJKLMNOPQRSTUVWXY
+v3=ABCDEFGHIJKLMNOPQRSTUVWXYZ
+
+# Literal backslash for use by grep.
+bs='\\'
+
+cat >> configure.ac <<END
+AC_SUBST([A], [''])
+AC_SUBST([$v1], [''])
+AC_SUBST([$v2], [''])
+AC_SUBST([$v3], [''])
+AC_OUTPUT
+END
+
+cat >Makefile.am <<END
+AUTOMAKE_OPTIONS = no-dependencies
+CC = false
+EXEEXT =
+
+## The "x" and "zardoz" strings and the use of '+=' are there to ensure
+## that these variables get rewritten by Automake.
+noinst_PROGRAMS = x @$v1@ @$v2@ @$v3@
+bin_PROGRAMS = @A@
+bin_PROGRAMS += @$v1@ @$v2@ @$v3@
+check_PROGRAMS = zardoz \$(noinst_PROGRAMS)
+
+## Required whenever there are @substituted@ values in the
+## PROGRAMS primary, otherwise automake will complain.
+EXTRA_PROGRAMS =
+
+print-programs:
+	@echo BEG1: \$(noinst_PROGRAMS) :END1
+	@echo BEG2: \$(bin_PROGRAMS) :END2
+	@echo BEG3: \$(check_PROGRAMS) :END3
+END
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE
+# For debugging.
+$EGREP -n 'ABCD|am__empty' Makefile.in
+# Sanity check.
+test `$EGREP -c "^[ $tab]*@$v2@ @$v3@[ $tab]*$bs?$" Makefile.in` -eq 3
+
+./configure
+{
+  sed -n '/^noinst_PROGRAMS *=/,/[^\\]$/p' Makefile
+  sed -n '/^bin_PROGRAMS *=/,/[^\\]$/p' Makefile
+  sed -n '/^check_PROGRAMS *=/,/[^\\]$/p' Makefile
+  sed -n '/^am__EXEEXT.*=/,/[^\\]$/p' Makefile
+} >t-programs
+cat t-programs
+grep '^ *$' t-programs && Exit 1
+
+$MAKE print-programs >stdout || { cat stdout; Exit 1; }
+cat stdout
+grep '^BEG1: x :END1$' stdout
+grep '^BEG2: :END2$' stdout
+grep '^BEG3: zardoz x :END3$' stdout
+
+am__empty=X $MAKE -e print-programs >stdout || { cat stdout; Exit 1; }
+cat stdout
+grep '^BEG1: x X :END1$' stdout
+grep '^BEG2: X :END2$' stdout
+grep '^BEG3: zardoz x X :END3$' stdout
+
+: