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Fix clang's variadic macro warnings

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Using variadic macros like `qCWarning()` without any parameter for "..."
is a GNU extension, which causes a lot of `clang` warnings:

```
desktop/src/common/ownsql.cpp:74:24: warning: must specify at least one
 argument for '...' parameter of variadic macro
 [-Wgnu-zero-variadic-macro-arguments]
        qCWarning(lcSql) << "Error:" << _error << "for" << filename;
                       ^
/usr/include/qt/QtCore/qloggingcategory.h:140:11: note: macro 'qCWarning'
 defined here
          ^
```

This patch tells `clang` to be silent.

Signed-off-by: Johannes Lorenz <j.git@lorenz-ho.me>
This commit is contained in:
Johannes Lorenz 2019-10-18 05:17:23 +02:00
parent 08c7be5350
commit 8c334a1f43
1 changed files with 5 additions and 0 deletions
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5
src/CMakeLists.txt
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@ -31,6 +31,11 @@ if(NOT MSVC)
endif()
endif()
# Calling Qt's qCWarning(category, ...) with no params for "..." is a GNU
# extension (C++11 §16.3/4 forbids them). Silence clang's warnings.
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wno-gnu-zero-variadic-macro-arguments")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wno-gnu-zero-variadic-macro-arguments")
if(WIN32)
# Enable DEP & ASLR
set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /nxcompat /dynamicbase")