[PATCH 2/6] Provide a NORETURN_ATTRIBUTE macro similar to PRINTF_ATTRIBUTE

diff --git a/73/630bcc27201d01744069e670186ea0a2013ca9 b/73/630bcc27201d01744069e670186ea0a2013ca9
new file mode 100644 (file)
index 0000000..565759a
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+++ b/73/630bcc27201d01744069e670186ea0a2013ca9
@@ -0,0 +1,99 @@
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+From: Justus Winter <4winter@informatik.uni-hamburg.de>\r
+To: notmuch@notmuchmail.org\r
+Subject: [PATCH 2/6] Provide a NORETURN_ATTRIBUTE macro similar to\r
+       PRINTF_ATTRIBUTE\r
+Date: Mon, 24 Sep 2012 17:21:16 +0200\r
+Message-Id:\r
+ <1348500080-29726-2-git-send-email-4winter@informatik.uni-hamburg.de>\r
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+References: <873927eb5i.fsf@convex-new.cs.unb.ca>\r
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+\r
+This attribute is understood by gcc since version 2.5. clang provides\r
+support for testing for function attributes using __has_attribute. For\r
+other compilers this macro evaluates to the empty string.\r
+\r
+Signed-off-by: Justus Winter <4winter@informatik.uni-hamburg.de>\r
+---\r
+ compat/function-attributes.h |   16 ++++++++++++++++\r
+ 1 file changed, 16 insertions(+)\r
+\r
+diff --git a/compat/function-attributes.h b/compat/function-attributes.h\r
+index 18f9090..8450a17 100644\r
+--- a/compat/function-attributes.h\r
++++ b/compat/function-attributes.h\r
+@@ -28,4 +28,20 @@\r
+ #define __has_attribute(x) 0\r
+ #endif\r
+ \r
++/* Provide a NORETURN_ATTRIBUTE macro similar to PRINTF_ATTRIBUTE from\r
++ * talloc.\r
++ *\r
++ * This attribute is understood by gcc since version 2.5. clang\r
++ * provides support for testing for function attributes.\r
++ */\r
++#ifndef NORETURN_ATTRIBUTE\r
++#if (__GNUC__ >= 3 ||                         \\r
++     (__GNUC__ == 2 && __GNUC_MINOR__ >= 5) ||        \\r
++     __has_attribute (noreturn))\r
++#define NORETURN_ATTRIBUTE __attribute__ ((noreturn))\r
++#else\r
++#define NORETURN_ATTRIBUTE\r
++#endif\r
++#endif\r
++\r
+ #endif\r
+-- \r
+1.7.10.4\r
+\r