https://llvm.org/bugs/show_bug.cgi?id=25984
Bug ID: 25984
Summary: Clang-cl does not support /DMYDEF#value
Product: clang
Version: unspecified
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Driver
Assignee: unassignedclangb...@nondot.org
Reporter: jva...@gmail.com
CC: llvm-bugs@lists.llvm.org
Classification: Unclassified
Ref https://msdn.microsoft.com/en-us/library/hhzbb5c8.aspx
The syntax of defining constants via the command line of MSVC supports both
/DMYDEF=0 as /DMYDEF#0
Clang-cl only supports the first one.
If you use the second one, I get the following warning.
Error given by clang-cl of version 3.5:
<command line>(10,14): warning : ISO C99 requires whitespace after the macro
name [-Wc99-extensions]
#define MYDEF#0 1
Note: I have also noticed this already in the latest builds of 3.8, though for
this reproduction, I have not yet upgraded my compiler.
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