Patchwork [U-Boot] Add missing header for gcc3

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Submitter Scott McNutt
Date Sept. 23, 2011, 9:42 p.m.
Message ID <1316814134-32118-1-git-send-email-smcnutt@psyent.com>
Download mbox | patch
Permalink /patch/116180/
State Accepted
Commit 15f57988201b5a4761637a1374b87d44761d08e1
Headers show

Comments

Scott McNutt - Sept. 23, 2011, 9:42 p.m.
When include/linux/compiler.h is included, the associated gcc3
header is required for older build environments.

Signed-off-by: Scott McNutt <smcnutt@psyent.com>
---
 include/linux/compiler-gcc3.h |   21 +++++++++++++++++++++
 1 files changed, 21 insertions(+), 0 deletions(-)
 create mode 100644 include/linux/compiler-gcc3.h
Mike Frysinger - Sept. 24, 2011, 6:03 a.m.
On Friday, September 23, 2011 17:42:14 Scott McNutt wrote:
> When include/linux/compiler.h is included, the associated gcc3
> header is required for older build environments.

Acked-by: Mike Frysinger <vapier@gentoo.org>
-mike
Wolfgang Denk - Oct. 1, 2011, 7:56 p.m.
Dear Scott McNutt,

In message <1316814134-32118-1-git-send-email-smcnutt@psyent.com> you wrote:
> When include/linux/compiler.h is included, the associated gcc3
> header is required for older build environments.
> 
> Signed-off-by: Scott McNutt <smcnutt@psyent.com>
> ---
>  include/linux/compiler-gcc3.h |   21 +++++++++++++++++++++
>  1 files changed, 21 insertions(+), 0 deletions(-)
>  create mode 100644 include/linux/compiler-gcc3.h

Applied, thanks.

Best regards,

Wolfgang Denk

Patch

diff --git a/include/linux/compiler-gcc3.h b/include/linux/compiler-gcc3.h
new file mode 100644
index 0000000..2befe65
--- /dev/null
+++ b/include/linux/compiler-gcc3.h
@@ -0,0 +1,21 @@ 
+#ifndef __LINUX_COMPILER_H
+#error "Please don't include <linux/compiler-gcc3.h> directly, include <linux/compiler.h> instead."
+#endif
+
+#if __GNUC_MINOR__ >= 3
+# define __used			__attribute__((__used__))
+#else
+# define __used			__attribute__((__unused__))
+#endif
+
+#if __GNUC_MINOR__ >= 4
+#define __must_check		__attribute__((warn_unused_result))
+#endif
+
+/*
+ * A trick to suppress uninitialized variable warning without generating any
+ * code
+ */
+#define uninitialized_var(x) x = x
+
+#define __always_inline		inline __attribute__((always_inline))