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authordim <dim@FreeBSD.org>2013-05-03 16:29:51 +0000
committerdim <dim@FreeBSD.org>2013-05-03 16:29:51 +0000
commit538159767f0cb26af59911a27e72b8b19fd8e07d (patch)
tree62276cfe0197d6346156149fe73749d53949a64c /lib/clang
parent3f27c6916965a63b42f0a8f1dc9c95cd75faa4fa (diff)
downloadFreeBSD-src-538159767f0cb26af59911a27e72b8b19fd8e07d.zip
FreeBSD-src-538159767f0cb26af59911a27e72b8b19fd8e07d.tar.gz
Allow building clang on older FreeBSD releases, where log2() does not
exist yet. With this change, I have verified that building head on 8.1-RELEASE works. Noticed by: Ryan Stone <rysto32@gmail.com>
Diffstat (limited to 'lib/clang')
-rw-r--r--lib/clang/include/llvm/Config/config.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/clang/include/llvm/Config/config.h b/lib/clang/include/llvm/Config/config.h
index e9dd43c..b7462f5 100644
--- a/lib/clang/include/llvm/Config/config.h
+++ b/lib/clang/include/llvm/Config/config.h
@@ -5,6 +5,9 @@
#ifndef CONFIG_H
#define CONFIG_H
+/* Get __FreeBSD_version. */
+#include <osreldate.h>
+
/* Bug report URL. */
#define BUG_REPORT_URL "http://llvm.org/bugs/"
@@ -248,7 +251,9 @@
#define HAVE_LOG10 1
/* Define to 1 if you have the `log2' function. */
+#if __FreeBSD_version >= 900027 || (__FreeBSD_version < 900000 && __FreeBSD_version >= 802502)
#define HAVE_LOG2 1
+#endif
/* Define to 1 if you have the `longjmp' function. */
#define HAVE_LONGJMP 1
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