1 files changed, 104 insertions, 0 deletions
diff --git a/t/subobj-objname-clash.sh b/t/subobj-objname-clash.sh
new file mode 100644
index 000000000..e17ab3fb4
--- /dev/null
+++ b/t/subobj-objname-clash.sh
@@ -0,0 +1,104 @@
+#! /bin/sh
+# Copyright (C) 1996-2018 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 <https://www.gnu.org/licenses/>.
+
+# Make sure that object names don't clash when using subdir-objects.
+# The check is done for clashing programs, clashing libraries and
+# a program that clashes with a library
+
+. test-init.sh
+
+mkdir src
+
+cat >> configure.ac << 'END'
+AC_PROG_CC
+AC_PROG_RANLIB
+AC_OUTPUT
+END
+
+cat > Makefile.am << 'END'
+AUTOMAKE_OPTIONS = subdir-objects foreign
+noinst_PROGRAMS =
+noinst_LIBRARIES =
+
+# CLASHING PROGRAMS
+noinst_PROGRAMS += foo src/foo
+foo_SOURCES = src/foo.c src/main.c
+foo_CPPFLAGS = -DVAL=0
+src_foo_CPPFLAGS = -DVAL=1
+src_foo_SOURCES = src/foo.c src/main.c
+
+# CLASHING LIBS
+noinst_PROGRAMS += bar src/bar
+noinst_LIBRARIES += libbar.a src/libbar.a
+bar_SOURCES = src/main.c
+bar_LDADD = libbar.a
+src_bar_SOURCES = src/main.c
+src_bar_LDADD = src/libbar.a
+libbar_a_SOURCES = src/foo.c
+libbar_a_CPPFLAGS = -DVAL=0
+src_libbar_a_SOURCES = src/foo.c
+src_libbar_a_CPPFLAGS = -DVAL=1
+
+# CLASHING PROGRAM + LIB
+noinst_PROGRAMS += libzap_a src/zap
+noinst_LIBRARIES += src/libzap.a
+libzap_a_SOURCES = src/main.c src/foo.c
+libzap_a_CPPFLAGS = -DVAL=2
+src_zap_SOURCES = src/main.c
+src_zap_LDADD = src/libzap.a
+src_libzap_a_SOURCES = src/foo.c
+src_libzap_a_CPPFLAGS = -DVAL=3
+
+# NON-CLASHING
+noinst_PROGRAMS += src/foo-uniq
+src_foo_uniq_SOURCES = src/main.c src/foo.c
+src_foo_uniq_CPPFLAGS = -DVAL=4
+END
+
+cat > src/foo.c << 'END'
+int
+foo ()
+{
+  return VAL;
+}
+END
+
+cat > src/main.c << 'END'
+int foo (void);
+
+int
+main ()
+{
+  return foo ();
+}
+END
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE --add-missing
+
+./configure
+$MAKE
+set +e
+./foo || fail_ "./foo should return 0"
+./src/foo; test $? = 1 || fail_ "./src/foo should return 1"
+./bar || fail_ "./bar should return 0"
+./src/bar; test $? = 1 || fail_ "./src/bar should return 1"
+./libzap_a; test $? = 2  || fail_ "./libfoo_a should return 2"
+./src/zap; test $? = 3 || fail_ "./src/prog_libfoo should return 3"
+./src/foo-uniq; test $? = 4 || fail_ "./foo_uniq should return 4"
+set -e
+$MAKE clean