1 files changed, 108 insertions, 0 deletions
diff --git a/unit/atf-src/m4/module-defs.m4 b/unit/atf-src/m4/module-defs.m4
new file mode 100644
index 0000000..b1c9cc8
--- /dev/null
+++ b/unit/atf-src/m4/module-defs.m4
@@ -0,0 +1,108 @@
+dnl Copyright (c) 2008 The NetBSD Foundation, Inc.
+dnl All rights reserved.
+dnl
+dnl Redistribution and use in source and binary forms, with or without
+dnl modification, are permitted provided that the following conditions
+dnl are met:
+dnl 1. Redistributions of source code must retain the above copyright
+dnl    notice, this list of conditions and the following disclaimer.
+dnl 2. Redistributions in binary form must reproduce the above copyright
+dnl    notice, this list of conditions and the following disclaimer in the
+dnl    documentation and/or other materials provided with the distribution.
+dnl
+dnl THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
+dnl CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+dnl INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+dnl MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+dnl IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
+dnl DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+dnl DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+dnl GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+dnl INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+dnl IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+dnl OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+dnl IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+AC_DEFUN([ATF_ATTRIBUTE_FORMAT_PRINTF], [
+    AC_MSG_CHECKING(
+        [whether __attribute__((__format__(__printf__, a, b))) is supported])
+    AC_COMPILE_IFELSE(
+        [AC_LANG_PROGRAM([
+#include <stdarg.h>
+#include <stdio.h>
+
+static void test_printf(const char *, ...)
+    __attribute__((__format__(__printf__, 1, 2)));
+
+static void
+test_printf(const char *format, ...)
+{
+    va_list ap;
+
+    va_start(ap, format);
+    vprintf(format, ap);
+    va_end(ap);
+}], [
+    test_printf("foo %s", "bar");
+    return 0;
+])],
+        [AC_MSG_RESULT(yes)
+         value="__attribute__((__format__(__printf__, a, b)))"],
+        [AC_MSG_RESULT(no)
+         value=""]
+    )
+    AC_SUBST([ATTRIBUTE_FORMAT_PRINTF], [${value}])
+])
+
+AC_DEFUN([ATF_ATTRIBUTE_NORETURN], [
+    dnl XXX This check is overly simple and should be fixed.  For example,
+    dnl Sun's cc does support the noreturn attribute but CC (the C++
+    dnl compiler) does not.  And in that case, CC just raises a warning
+    dnl during compilation, not an error, which later breaks the
+    dnl atf-c++/t_pkg_config:cxx_build check.
+    AC_CACHE_CHECK(
+        [whether __attribute__((__noreturn__)) is supported],
+        [kyua_cv_attribute_noreturn], [
+        AC_RUN_IFELSE(
+            [AC_LANG_PROGRAM([], [
+#if ((__GNUC__ == 2 && __GNUC_MINOR__ >= 5) || __GNUC__ > 2)
+    return 0;
+#else
+    return 1;
+#endif
+])],
+        [kyua_cv_attribute_noreturn=yes],
+        [kyua_cv_attribute_noreturn=no])
+    ])
+    if test x"${kyua_cv_attribute_noreturn}" = xyes; then
+        value="__attribute__((__noreturn__))"
+    else
+        value=""
+    fi
+    AC_SUBST([ATTRIBUTE_NORETURN], [${value}])
+])
+
+AC_DEFUN([ATF_ATTRIBUTE_UNUSED], [
+    AC_MSG_CHECKING(whether __attribute__((__unused__)) is supported)
+    AC_COMPILE_IFELSE(
+        [AC_LANG_PROGRAM([
+static void
+function(int a __attribute__((__unused__)))
+{
+}], [
+    function(3);
+    return 0;
+])],
+        [AC_MSG_RESULT(yes)
+         value="__attribute__((__unused__))"],
+        [AC_MSG_RESULT(no)
+         value=""]
+    )
+    AC_SUBST([ATTRIBUTE_UNUSED], [${value}])
+])
+
+AC_DEFUN([ATF_MODULE_DEFS], [
+    ATF_ATTRIBUTE_FORMAT_PRINTF
+    ATF_ATTRIBUTE_NORETURN
+    ATF_ATTRIBUTE_UNUSED
+])