[PATCH] COFF: Implement /lib using LibDriver.
Peter Collingbourne
peter at pcc.me.uk
Tue Jun 9 14:44:20 PDT 2015
Hi ruiu,
http://reviews.llvm.org/D10347
Files:
COFF/CMakeLists.txt
COFF/Driver.cpp
Index: COFF/CMakeLists.txt
===================================================================
--- COFF/CMakeLists.txt
+++ COFF/CMakeLists.txt
@@ -16,6 +16,7 @@
${LLVM_TARGETS_TO_BUILD}
Core
LTO
+ LibDriver
MC
MCDisassembler
Support
Index: COFF/Driver.cpp
===================================================================
--- COFF/Driver.cpp
+++ COFF/Driver.cpp
@@ -16,6 +16,7 @@
#include "llvm/ADT/Optional.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/StringSwitch.h"
+#include "llvm/LibDriver/LibDriver.h"
#include "llvm/Option/Arg.h"
#include "llvm/Option/ArgList.h"
#include "llvm/Option/Option.h"
@@ -185,6 +186,11 @@
llvm::InitializeAllAsmPrinters();
llvm::InitializeAllDisassemblers();
+ // If the first command line argument is "/lib", link.exe acts like lib.exe.
+ // We call our own implementation of lib.exe that understands bitcode files.
+ if (Argc > 1 && StringRef(Argv[1]).equals_lower("/lib"))
+ return llvm::libDriverMain(Argc - 1, Argv + 1) == 0;
+
// Parse command line options.
auto ArgsOrErr = Parser.parse(Argc, Argv);
if (auto EC = ArgsOrErr.getError()) {
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