[PATCH macros] Add XORG_ENABLE_INTEGRATION_TESTS

[Chase Douglas]

Copied from XORG_ENABLE_UNIT_TESTS.

Signed-off-by: Chase Douglas <chase.douglas at canonical.com>
---
I pasted in a minimum version of 1.17.0, but I don't know if that's how we do
things.

This will be needed for xorg-gtest and integration testing in other projects.

 xorg-macros.m4.in |   29 +++++++++++++++++++++++++++++
 1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/xorg-macros.m4.in b/xorg-macros.m4.in
index 4966df3..9cd73c0 100644
--- a/xorg-macros.m4.in
+++ b/xorg-macros.m4.in
@@ -1056,6 +1056,35 @@ AC_MSG_CHECKING([whether to build unit test cases])
 AC_MSG_RESULT([$enable_unit_tests])
 ]) # XORG_ENABLE_UNIT_TESTS
 
+# XORG_ENABLE_INTEGRATION_TESTS (enable_unit_tests=auto)
+# ------------------------------------------------------
+# Minimum version: 1.17.0
+#
+# This macro enables a builder to enable/disable integration testing
+# It makes no assumption about the test cases' implementation
+# Test cases may or may not use Automake "Support for test suites"
+#
+# Interface to module:
+# ENABLE_INTEGRATION_TESTS:   used in makefiles to conditionally build tests
+# enable_integration_tests:   used in configure.ac for additional configuration
+# --enable-integration-tests: 'yes' user instructs the module to build tests
+#                             'no' user instructs the module not to build tests
+# parm1:                      specify the default value, yes or no.
+#
+AC_DEFUN([XORG_ENABLE_INTEGRATION_TESTS],[
+AC_REQUIRE([XORG_MEMORY_CHECK_FLAGS])
+m4_define([_defopt], m4_default([$1], [auto]))
+AC_ARG_ENABLE(integration-tests, AS_HELP_STRING([--enable-integration-tests],
+	[Enable building integration test cases (default: ]_defopt[)]),
+	[enable_integration_tests=$enableval],
+	[enable_integration_tests=]_defopt)
+m4_undefine([_defopt])
+AM_CONDITIONAL([ENABLE_INTEGRATION_TESTS],
+	[test "x$enable_integration_tests" != xno])
+AC_MSG_CHECKING([whether to build unit test cases])
+AC_MSG_RESULT([$enable_integration_tests])
+]) # XORG_ENABLE_INTEGRATION_TESTS
+
 # XORG_WITH_GLIB([MIN-VERSION], [DEFAULT])
 # ----------------------------------------
 # Minimum version: 1.13.0
-- 
1.7.9