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From d8cd8d0211dcd606a3753a6b3c36c19a7b1672dc Mon Sep 17 00:00:00 2001
From: Ray Donnelly <mingw.android@gmail.com>
Date: Wed, 5 Aug 2015 23:36:13 +0100
Subject: [PATCH 05/19] master Windows: New feature to allow overriding
-lmsvcrt
Added in support of the MinGW-w64 WIP feature "agile mscvrt dll" where
a process' loaded msvc runtime is used by a newly loaded DLL rather than
always using msvcrt.dll
---
gcc/config/i386/cygming.opt | 3 +++
gcc/config/i386/mingw32.h | 2 +-
2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/gcc/config/i386/cygming.opt b/gcc/config/i386/cygming.opt
index a9074bf..e1d89e2 100644
--- a/gcc/config/i386/cygming.opt
+++ b/gcc/config/i386/cygming.opt
@@ -22,6 +22,9 @@ mconsole
Target RejectNegative
Create console application.
+mcrtdll=
+Target RejectNegative Joined
+
mdll
Target RejectNegative
Generate code for a DLL.
diff --git a/gcc/config/i386/mingw32.h b/gcc/config/i386/mingw32.h
index 4ac5f68..f875e7b 100644
--- a/gcc/config/i386/mingw32.h
+++ b/gcc/config/i386/mingw32.h
@@ -140,7 +140,7 @@ along with GCC; see the file COPYING3. If not see
#define REAL_LIBGCC_SPEC \
"%{mthreads:-lmingwthrd} -lmingw32 \
" SHARED_LIBGCC_SPEC " \
- -lmoldname -lmingwex -lmsvcrt"
+ -lmoldname -lmingwex %{!mcrtdll=*:-lmsvcrt} %{mcrtdll=*:-l%*}"
#undef STARTFILE_SPEC
#define STARTFILE_SPEC "%{shared|mdll:dllcrt2%O%s} \
--
2.7.1
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