summaryrefslogtreecommitdiff
path: root/i386/grub/compiler.h
diff options
context:
space:
mode:
Diffstat (limited to 'i386/grub/compiler.h')
-rw-r--r--i386/grub/compiler.h51
1 files changed, 51 insertions, 0 deletions
diff --git a/i386/grub/compiler.h b/i386/grub/compiler.h
new file mode 100644
index 0000000..c9e1d7a
--- /dev/null
+++ b/i386/grub/compiler.h
@@ -0,0 +1,51 @@
+/* compiler.h - macros for various compiler features */
+/*
+ * GRUB -- GRand Unified Bootloader
+ * Copyright (C) 2002,2003,2005,2006,2007,2008,2009,2010,2014 Free Software Foundation, Inc.
+ *
+ * GRUB 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 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GRUB 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 GRUB. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef GRUB_COMPILER_HEADER
+#define GRUB_COMPILER_HEADER 1
+
+/* GCC version checking borrowed from glibc. */
+#if defined(__GNUC__) && defined(__GNUC_MINOR__)
+# define GNUC_PREREQ(maj,min) \
+ ((__GNUC__ << 16) + __GNUC_MINOR__ >= ((maj) << 16) + (min))
+#else
+# define GNUC_PREREQ(maj,min) 0
+#endif
+
+/* Does this compiler support compile-time error attributes? */
+#if GNUC_PREREQ(4,3)
+# define ATTRIBUTE_ERROR(msg) \
+ __attribute__ ((__error__ (msg)))
+#else
+# define ATTRIBUTE_ERROR(msg) __attribute__ ((noreturn))
+#endif
+
+#if GNUC_PREREQ(4,4)
+# define GNU_PRINTF gnu_printf
+#else
+# define GNU_PRINTF printf
+#endif
+
+#if GNUC_PREREQ(3,4)
+# define WARN_UNUSED_RESULT __attribute__ ((warn_unused_result))
+#else
+# define WARN_UNUSED_RESULT
+#endif
+
+#endif /* ! GRUB_COMPILER_HEADER */