refs #12021 - CI-windows.yml: fail build on compiler warnings / some cleanups (danmar#6982)

Author: firewave

.github/workflows/CI-windows.yml

@@ -52,15 +52,15 @@ jobs:
         run: |
           ; TODO: enable rules?
           ; specify Release build so matchcompiler is used
-          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DBUILD_GUI=On  -DWITH_QCHART=On -DBUILD_ONLINE_HELP=On || exit /b !errorlevel!
+          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_COMPILE_WARNING_AS_ERROR=On -DBUILD_GUI=On  -DWITH_QCHART=On -DBUILD_ONLINE_HELP=On || exit /b !errorlevel!
           cmake --build build --target cppcheck-gui --config Release || exit /b !errorlevel!
 
       - name: Build GUI release (Qt 6)
         if: startsWith(matrix.qt_ver, '6')
         run: |
           ; TODO: enable rules?
           ; specify Release build so matchcompiler is used
-          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On -DBUILD_ONLINE_HELP=On || exit /b !errorlevel!
+          cmake -S . -B build -DCMAKE_BUILD_TYPE=Release -DCMAKE_COMPILE_WARNING_AS_ERROR=On -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On -DBUILD_ONLINE_HELP=On || exit /b !errorlevel!
           cmake --build build --target cppcheck-gui --config Release || exit /b !errorlevel!
 
       - name: Deploy GUI
@@ -135,16 +135,15 @@ jobs:
           python -m pip install pytest-timeout || exit /b !errorlevel!
           python -m pip install psutil || exit /b !errorlevel!
 
-      - name: Run CMake
-        if: false # TODO: enable
-        run: |
-          cmake -S . -B build -DBUILD_TESTS=On || exit /b !errorlevel!
+      # TODO: build with CMake
 
       - name: Build CLI debug configuration using MSBuild
         if: matrix.config == 'debug'
         run: |
           :: cmake --build build --target check --config Debug || exit /b !errorlevel!
           msbuild -m cppcheck.sln /p:Configuration=Debug-PCRE;Platform=x64 -maxcpucount || exit /b !errorlevel!
+        env:
+          _CL_: /WX
 
       - name: Run Debug test
         if: matrix.config == 'debug'
@@ -155,6 +154,8 @@ jobs:
         run: |
           :: cmake --build build --target check --config Release || exit /b !errorlevel!
           msbuild -m cppcheck.sln /p:Configuration=Release-PCRE;Platform=x64 -maxcpucount || exit /b !errorlevel!
+        env:
+          _CL_: /WX
 
       - name: Run Release test
         if: matrix.config == 'release'

cli/cli.vcxproj

@@ -92,7 +92,7 @@
       <PreprocessorDefinitions>CPPCHECKLIB_IMPORT;TINYXML2_IMPORT;WIN32;_CRT_SECURE_NO_WARNINGS;WIN32_LEAN_AND_MEAN;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <WarningLevel>Level4</WarningLevel>
-      <DisableSpecificWarnings>4018;4127;4146;4244;4251;4267;4389;4482;4512;4701;4706;4800;4805</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4018;4127;4146;4244;4251;4267;4389;4701;4706;4800;4805</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>precompiled.h</PrecompiledHeaderFile>
@@ -121,7 +121,7 @@
       <PreprocessorDefinitions>CPPCHECKLIB_IMPORT;TINYXML2_IMPORT;WIN32;HAVE_RULES;_CRT_SECURE_NO_WARNINGS;WIN32_LEAN_AND_MEAN;_WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
       <WarningLevel>Level4</WarningLevel>
-      <DisableSpecificWarnings>4018;4127;4146;4244;4251;4267;4389;4482;4512;4701;4706;4800;4805</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4018;4127;4146;4244;4251;4267;4389;4701;4706;4800;4805</DisableSpecificWarnings>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <PrecompiledHeader>Use</PrecompiledHeader>
       <PrecompiledHeaderFile>precompiled.h</PrecompiledHeaderFile>
@@ -155,7 +155,7 @@
       <OmitFramePointers>true</OmitFramePointers>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <StringPooling>true</StringPooling>
-      <DisableSpecificWarnings>4018;4127;4146;4244;4251;4267;4389;4482;4512;4701;4706;4800;4805</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4018;4127;4146;4244;4251;4267;4389;4701;4706;4800;4805</DisableSpecificWarnings>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <PrecompiledHeader>Use</PrecompiledHeader>
@@ -193,7 +193,7 @@
       <OmitFramePointers>true</OmitFramePointers>
       <FunctionLevelLinking>true</FunctionLevelLinking>
       <StringPooling>true</StringPooling>
-      <DisableSpecificWarnings>4018;4127;4146;4244;4251;4267;4389;4482;4512;4701;4706;4800;4805</DisableSpecificWarnings>
+      <DisableSpecificWarnings>4018;4127;4146;4244;4251;4267;4389;4701;4706;4800;4805</DisableSpecificWarnings>
       <DebugInformationFormat>ProgramDatabase</DebugInformationFormat>
       <MultiProcessorCompilation>true</MultiProcessorCompilation>
       <PrecompiledHeader>Use</PrecompiledHeader>

cmake/compileroptions.cmake

@@ -176,12 +176,10 @@ if(MSVC)
     add_compile_options(/wd4127) # warning C4127: conditional expression is constant
     add_compile_options(/wd4146) # warning C4146: unary minus operator applied to unsigned type, result still unsigned
     add_compile_options(/wd4244) # warning C4244: 'initializing': conversion from 'int' to 'char', possible loss of data
-    add_compile_options(/wd4251)
+    add_compile_options(/wd4251) # warning C4251: 'x': class 'y' needs to have dll-interface to be used by clients of struct 'u'
     # Clang: -Wshorten-64-to-32 -Wimplicit-int-conversion
     add_compile_options(/wd4267) # warning C4267: 'return': conversion from 'size_t' to 'int', possible loss of data
     add_compile_options(/wd4389) # warning C4389: '==': signed/unsigned mismatch
-    add_compile_options(/wd4482)
-    add_compile_options(/wd4512)
     add_compile_options(/wd4701) # warning C4701: potentially uninitialized local variable 'err' used
     add_compile_options(/wd4706) # warning C4706: assignment within conditional expression
     add_compile_options(/wd4800) # warning C4800: 'const SymbolDatabase *' : forcing value to bool 'true' or 'false' (performance warning)

gui/CMakeLists.txt

@@ -63,6 +63,10 @@ CheckOptions:
     if(MSVC)
         # compilation will fail as e.g. QList::realloc would be replaced by MSVC's macro definition
         target_compile_definitions(cppcheck-gui PRIVATE $<$<CONFIG:Debug>:DISABLE_CRTDBG_MAP_ALLOC>)
+        if(NOT USE_QT6)
+            target_compile_options(cppcheck-gui PRIVATE /wd4996) # warning C4996: 'QProcess::startDetached': Use QProcess::startDetached(const QString &program, const QStringList &arguments) instead
+            target_compile_options(cppcheck-gui PRIVATE /wd4505) # warning C4505: 'x': unreferenced function with internal linkage has been removed
+        endif()
     endif()
     if (CMAKE_CXX_COMPILER_ID MATCHES "Clang")
         # Q_UNUSED() in generated code