1 files changed, 118 insertions, 0 deletions
diff --git a/t/parallel-tests-fd-redirect-exeext.sh b/t/parallel-tests-fd-redirect-exeext.sh
new file mode 100755
index 000000000..56d7f5990
--- /dev/null
+++ b/t/parallel-tests-fd-redirect-exeext.sh
@@ -0,0 +1,118 @@
+#! /bin/sh
+# Copyright (C) 2011-2012 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/>.
+
+# parallel-tests support: redirection of file descriptors with
+# AM_TESTS_FD_REDIRECT, for tests which are binary executables
+# We use some tricks to ensure that all code paths in 'lib/am/check2.am'
+# are covered, even on platforms where $(EXEEXT) would be naturally empty.
+# See also the more generic test 'check-fd-redirect.test', and
+# sister test 'parallel-tests-fd-redirect.test'.
+
+required='cc native'
+am_parallel_tests=yes
+. ./defs || Exit 1
+
+cat >> configure.ac << 'END'
+AC_PROG_CC
+# Calls like "write(9, ...)" are unlikely to work for MinGW-compiled
+# programs.  We must skip this test if this is the case.
+am__ok=no
+AC_LINK_IFELSE(
+    [AC_LANG_PROGRAM([[#include <unistd.h>]],
+                     [[write (9, "foobar\n", 7); return 0;]])],
+    [AM_RUN_LOG([./conftest$EXEEXT 9>&1]) \
+dnl Leading ":;" required to avoid having two nested subshells starting
+dnl with '((' in the generated configure: that is unportable and could
+dnl confuse some shells (e.g., NetBSD 5.1 /bin/ksh) into thinking we are
+dnl trying to perform an arithmetic operation.
+       && AM_RUN_LOG([:; (./conftest$EXEEXT 9>&1) | grep "^foobar"]) \
+       && am__ok=yes])
+test $am__ok = yes || AS_EXIT([63])
+AM_CONDITIONAL([real_EXEEXT], [test -n "$EXEEXT"])
+test -n "$EXEEXT" || EXEEXT=.bin
+AC_OUTPUT
+END
+
+cat > Makefile.am << 'END'
+AM_TESTS_FD_REDIRECT = 9>&1
+TESTS = $(check_PROGRAMS)
+check_PROGRAMS = baz qux.test
+qux_test_SOURCES = zardoz.c
+
+## Sanity check.
+if !real_EXEEXT
+check-local:
+	test -f baz.bin
+	test -f qux.test.bin
+endif
+END
+
+$ACLOCAL
+$AUTOCONF
+$AUTOMAKE -a
+
+cat > baz.c <<'END'
+#include <stdio.h>
+#include <unistd.h>
+int main (void)
+{
+  ssize_t res = write (9, " bazbazbaz\n", 11);
+  if (res < 0)
+    perror("write failed");
+  return res != 11;
+}
+END
+
+cat > zardoz.c <<'END'
+#include <stdio.h>
+#include <unistd.h>
+int main (void)
+{
+  ssize_t res = write (9, " quxquxqux\n", 11);
+  if (res < 0)
+    perror("write failed");
+  return res != 11;
+}
+END
+
+st=0; ./configure || st=$?
+cat config.log # For debugging, as we do tricky checks in configure.
+if test $st -eq 63; then
+  skip_ "fd redirect in compiled program unsupported"
+elif test $st -eq 0; then
+  : Continue.
+else
+  fatal_ "unexpected error in ./configure"
+fi
+
+# Sanity checks.
+st=0
+grep '^baz\.log:.*baz\$(EXEEXT)' Makefile || st=1
+grep '^\.test\$(EXEEXT)\.log:' Makefile || st=1
+grep '^qux\.log:' Makefile && st=1
+test $st -eq 0 || fatal_ "doesn't cover expected code paths"
+
+st=0
+$MAKE check >stdout || st=1
+cat stdout
+cat baz.log
+cat qux.log
+test $st -eq 0
+grep "^ bazbazbaz$" stdout
+grep "^ quxquxqux$" stdout
+$EGREP '(bazbazbaz|quxquxqux)' *.log && Exit 1
+
+: