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fix: issue #5211

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Move gcc compiler option -Werror to CMAKE_CXX_FLAGS_DEBUG to work around
cmake using any options present in CMAKE_CXX_FLAGS as default options
for all build types.

This fix was necessary to prevent gcc from erroring out with indetifier
'requires' being a keyword sicne we are using c++11 and not c++20.
This commit is contained in:
ChrisjStone 2023-07-25 21:14:15 -06:00
parent 33a8b916a1
commit 18b6792cc7
2 changed files with 4 additions and 2 deletions
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2
BUILD.md
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@ -65,6 +65,8 @@ cmake -DCMAKE_INSTALL_PREFIX=../install ../src
make -j8 install
```
**NOTE:** If you want to treat all warnings as errors add -DCMAKE_BUILD_TYPE=Debug to the above cmake command
You can use IDEs like KDevelop or QtCreator to open the CMake project if you want to work on the code.
### Installing Qt using the installer (optional)

4
CMakeLists.txt
View File

@ -55,12 +55,12 @@ set(CMAKE_C_STANDARD_REQUIRED true)
set(CMAKE_CXX_STANDARD 11)
set(CMAKE_C_STANDARD 11)
include(GenerateExportHeader)
set(CMAKE_CXX_FLAGS " -Wall -pedantic -Werror -Wno-deprecated-declarations -D_GLIBCXX_USE_CXX11_ABI=0 -fstack-protector-strong --param=ssp-buffer-size=4 ${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS " -Wall -pedantic -Wno-deprecated-declarations -D_GLIBCXX_USE_CXX11_ABI=0 -fstack-protector-strong --param=ssp-buffer-size=4 ${CMAKE_CXX_FLAGS}")
set(CMAKE_CXX_FLAGS_RELEASE " -O3 -D_FORTIFY_SOURCE=2 ${CMAKE_CXX_FLAGS_RELEASE}")
if(UNIX AND APPLE)
set(CMAKE_CXX_FLAGS " -stdlib=libc++ ${CMAKE_CXX_FLAGS}")
endif()
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Werror=return-type -O0")
set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -Werror -Werror=return-type -O0")
# Fix build with Qt 5.13
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DQT_NO_DEPRECATED_WARNINGS=Y")