casa-mp-base

From e5ebd2e120ee1fd15d69079df0773babda583b6d Mon Sep 17 00:00:00 2001

From: Jeremy Huddleston Sequoia <jeremyhu@apple.com>

Date: Tue, 20 Dec 2016 15:53:39 -0800

Subject: [PATCH 1007/1008] Fix build issues pre-Lion due to missing a strnlen

 definition

​

https://trac.macports.org/ticket/51520

https://llvm.org/bugs/show_bug.cgi?id=27714

​

Signed-off-by: Jeremy Huddleston Sequoia <jeremyhu@apple.com>

---

 lib/Lex/HeaderMap.cpp | 14 ++++++++++++++

 1 file changed, 14 insertions(+)

​

diff --git llvm_release_50/tools/clang/lib/Lex/HeaderMap.cpp macports_release_50/tools/clang/lib/Lex/HeaderMap.cpp

index 24a14b6cdb..c38986d46c 100644

--- llvm_release_50/tools/clang/lib/Lex/HeaderMap.cpp

+++ macports_release_50/tools/clang/lib/Lex/HeaderMap.cpp

@@ -26,6 +26,20 @@

 #include <memory>

 using namespace clang;

+#ifdef __APPLE__

+#include <Availability.h>

+#if __MAC_OS_X_VERSION_MIN_REQUIRED < 1070

+static size_t strnlen(const char *s, size_t maxlen) {

+  size_t l = 0;

+  while (l < maxlen && *s) {

+    l++;

+    s++;

+  }

+  return l;

+}

+#endif

+#endif

+

 /// HashHMapKey - This is the 'well known' hash function required by the file

 /// format, used to look up keys in the hash table.  The hash table uses simple

 /// linear probing based on this function.

-- 

2.13.3

​