https://bugs.llvm.org/show_bug.cgi?id=38993
Bug ID: 38993
Summary: clang-cl: /clr is not supported, and not forwarded
with /fallback
Product: clang
Version: unspecified
Hardware: PC
OS: Windows NT
Status: NEW
Severity: enhancement
Priority: P
Component: Driver
Assignee: unassignedclangb...@nondot.org
Reporter: kpreis...@gmail.com
CC: llvm-bugs@lists.llvm.org
I have some source files in my project using C++/CX, so they are compiled with
the cl.exe flag "/clr". Clang does not support this flag. I then read about the
/fallback option for clang-cl and tried it, expecting that all the flags are
passed to the MSVC cl.exe. However, /clr is not passed, so the fallback cl.exe
complains "fatal error C1190: managed targeted code requires a '/clr' option"
Using Process Monitor, I looked into the cl.exe invocation that clang-cl.exe
makes, and found the following differences in passed options (although I'm not
sure which of these are actually unproblematic because they match the default
options):
- The original clang-cl invocation had /showIncludes /GR /Gy /J /MD /nologo /W3
/TP /clr /Gm- /Zi /GF /Od /c
- The fallback cl invocation has /nologo /c /W0 /Od /GF /Gy /Z7 /MD /Tp
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