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Make llvmc work again.

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Chris recently broke llvmc with his Makefile changes (r75379). That patch made
the global change .o -> .a, which caused built-in llvmc plugins to stop working
since plugin initialization in llvmc is based on static variables not referenced
from the main executable. This patch implements auto-generated forced references
to the plugin libraries.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74000 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mikhail Glushenkov
2009-06-23 20:46:48 +00:00
parent 06509db630
commit d80d8690af
6 changed files with 159 additions and 6 deletions
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29
include/llvm/CompilerDriver/ForceLinkageMacros.h Normal file
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//===--- ForceLinkageMacros.h - The LLVM Compiler Driver --------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open
// Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Preprocessor magic that forces references to static libraries - common
// macros used by both driver and plugins.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_INCLUDE_COMPILER_DRIVER_FORCE_LINKAGE_MACROS_H
#define LLVM_INCLUDE_COMPILER_DRIVER_FORCE_LINKAGE_MACROS_H
#define LLVMC_FORCE_LINKAGE_PREFIX(PluginName) ForceLinkage ## PluginName
#define LLVMC_FORCE_LINKAGE_FUN(PluginName) \
LLVMC_FORCE_LINKAGE_PREFIX(PluginName)
#define LLVMC_FORCE_LINKAGE_DECL(PluginName) \
void LLVMC_FORCE_LINKAGE_FUN(PluginName) ()
#define LLVMC_FORCE_LINKAGE_CALL(PluginName) \
LLVMC_FORCE_LINKAGE_FUN(PluginName) ()
#endif // LLVM_INCLUDE_COMPILER_DRIVER_FORCE_LINKAGE_MACROS_H