From 7ca6e73e7f192dc16ec9e47d6d1b0079736e37a0 Mon Sep 17 00:00:00 2001 From: Daniel Dunbar Date: Fri, 17 Sep 2010 04:25:24 +0000 Subject: [PATCH] System: Don't reexport ___eprintf when building with Clang; this symbol isn't used on Darwin anymore, and Clang might not always link with the library it is currently found in. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@114165 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/System/SearchForAddressOfSpecialSymbol.cpp | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/lib/System/SearchForAddressOfSpecialSymbol.cpp b/lib/System/SearchForAddressOfSpecialSymbol.cpp index 73b484c2e91..2fcc3401c36 100644 --- a/lib/System/SearchForAddressOfSpecialSymbol.cpp +++ b/lib/System/SearchForAddressOfSpecialSymbol.cpp @@ -32,7 +32,14 @@ static void *DoSearch(const char* symbolName) { EXPLICIT_SYMBOL(__ashrdi3); EXPLICIT_SYMBOL(__cmpdi2); EXPLICIT_SYMBOL(__divdi3); + + // Clang doesn't always link against libgcc.a, which is the only thing which + // defines ___eprintf in the modern world. Just don't attempt to export this + // symbol when building with Clang. +#ifndef __clang__ EXPLICIT_SYMBOL(__eprintf); +#endif + EXPLICIT_SYMBOL(__fixdfdi); EXPLICIT_SYMBOL(__fixsfdi); EXPLICIT_SYMBOL(__fixunsdfdi);