diff options
Diffstat (limited to 'MinGW/Driver.cpp')
| -rw-r--r-- | MinGW/Driver.cpp | 31 |
1 files changed, 27 insertions, 4 deletions
diff --git a/MinGW/Driver.cpp b/MinGW/Driver.cpp index 27a5550ec9c7..def769bb9125 100644 --- a/MinGW/Driver.cpp +++ b/MinGW/Driver.cpp @@ -6,9 +6,27 @@ // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// -/// -/// GNU ld style linker driver for COFF currently supporting mingw-w64. -/// +// +// MinGW is a GNU development environment for Windows. It consists of GNU +// tools such as GCC and GNU ld. Unlike Cygwin, there's no POSIX-compatible +// layer, as it aims to be a native development toolchain. +// +// lld/MinGW is a drop-in replacement for GNU ld/MinGW. +// +// Being a native development tool, a MinGW linker is not very different from +// Microsoft link.exe, so a MinGW linker can be implemented as a thin wrapper +// for lld/COFF. This driver takes Unix-ish command line options, translates +// them to Windows-ish ones, and then passes them to lld/COFF. +// +// When this driver calls the lld/COFF driver, it passes a hidden option +// "-lldmingw" along with other user-supplied options, to run the lld/COFF +// linker in "MinGW mode". +// +// There are subtle differences between MS link.exe and GNU ld/MinGW, and GNU +// ld/MinGW implements a few GNU-specific features. Such features are directly +// implemented in lld/COFF and enabled only when the linker is running in MinGW +// mode. +// //===----------------------------------------------------------------------===// #include "lld/Common/Driver.h" @@ -212,9 +230,14 @@ bool mingw::link(ArrayRef<const char *> ArgsArr, raw_ostream &Diag) { else Add("-alternatename:__image_base__=__ImageBase"); + for (auto *A : Args.filtered(OPT_require_defined)) + Add("-include:" + StringRef(A->getValue())); + std::vector<StringRef> SearchPaths; - for (auto *A : Args.filtered(OPT_L)) + for (auto *A : Args.filtered(OPT_L)) { SearchPaths.push_back(A->getValue()); + Add("-libpath:" + StringRef(A->getValue())); + } StringRef Prefix = ""; bool Static = false; |