http://llvm.org/bugs/show_bug.cgi?id=22424
Bug ID: 22424
Summary: Clang on 64-bit Windows defaults to trying to generate
32-bit code
Product: clang
Version: 3.5
Hardware: PC
OS: Windows NT
Status: NEW
Severity: normal
Priority: P
Component: LLVM Codegen
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
When you build Clang on 64-bit Windows using the 64-bit Microsoft C++ compiler,
the resulting version of Clang still defaults to generating 32-bit code,
leading to nonobvious link time error messages on a test compile of hello.c as
described in:
http://stackoverflow.com/questions/18452967/clang-microsoft-linker-and-standard-library
This can be worked around by supplying Clang with the -m64 command line option,
but the need for this isn't clear from the error message.
The preferred solution would be for the compiler to default to generating
64-bit code when on a 64-bit system or built with 64-bit Microsoft C++.
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