removed non-working dmake project from Visual Studio solution / other dmake related cleanups (danmar#7019)

* tools/dmake/CMakeLists.txt: properly specify `utils.cpp`
* iwyu.yml: added TODO about unnecessary dmake build
* removed non-working `dmake` project from Visual Studio solution

Author: firewave

.github/workflows/iwyu.yml

@@ -98,6 +98,7 @@ jobs:
 
       - name: Prepare CMake
         run: |
+          # TODO: why does it build dmake in the next step?
           cmake -S . -B cmake.output -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCPPCHK_GLIBCXX_DEBUG=Off -DUSE_MATCHCOMPILER=Off -DEXTERNALS_AS_SYSTEM=On -DUSE_LIBCXX=${{ matrix.use_libcxx }}
         env:
           CC: clang
@@ -188,6 +189,7 @@ jobs:
 
       - name: Prepare CMake
         run: |
+          # TODO: why does it build dmake in the next step?
           cmake -S . -B cmake.output -G "Unix Makefiles" -DCMAKE_BUILD_TYPE=Release -DHAVE_RULES=On -DBUILD_TESTS=On -DBUILD_GUI=On -DUSE_QT6=On -DWITH_QCHART=On -DENABLE_CHECK_INTERNAL=On -DCMAKE_GLOBAL_AUTOGEN_TARGET=On -DCMAKE_DISABLE_PRECOMPILE_HEADERS=On -DCPPCHK_GLIBCXX_DEBUG=Off -DUSE_MATCHCOMPILER=Off -DEXTERNALS_AS_SYSTEM=On -DUSE_LIBCXX=${{ matrix.use_libcxx }}
         env:
           CC: clang-19

cppcheck.sln

@@ -1,7 +1,7 @@
 
 Microsoft Visual Studio Solution File, Format Version 12.00
-# Visual Studio Version 16
-VisualStudioVersion = 16.0.29020.237
+# Visual Studio Version 17
+VisualStudioVersion = 17.12.35506.116 d17.12
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cli", "cli\cli.vcxproj", "{35CBDF51-2456-3EC3-99ED-113C30858883}"
 	ProjectSection(ProjectDependencies) = postProject
@@ -15,8 +15,6 @@ Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testrunner", "test\testrunn
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "cppcheck", "lib\cppcheck.vcxproj", "{C183DB5B-AD6C-423D-80CA-1F9549555A1A}"
 EndProject
-Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "dmake", "tools\dmake\dmake.vcxproj", "{19EC86CD-0004-4917-B852-E6BD110B6E6F}"
-EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x64 = Debug|x64
@@ -49,10 +47,6 @@ Global
 		{C183DB5B-AD6C-423D-80CA-1F9549555A1A}.Release|x64.Build.0 = Release|x64
 		{C183DB5B-AD6C-423D-80CA-1F9549555A1A}.Release-PCRE|x64.ActiveCfg = Release-PCRE|x64
 		{C183DB5B-AD6C-423D-80CA-1F9549555A1A}.Release-PCRE|x64.Build.0 = Release-PCRE|x64
-		{19EC86CD-0004-4917-B852-E6BD110B6E6F}.Debug|x64.ActiveCfg = Debug|x64
-		{19EC86CD-0004-4917-B852-E6BD110B6E6F}.Debug-PCRE|x64.ActiveCfg = Debug|x64
-		{19EC86CD-0004-4917-B852-E6BD110B6E6F}.Release|x64.ActiveCfg = Release|x64
-		{19EC86CD-0004-4917-B852-E6BD110B6E6F}.Release-PCRE|x64.ActiveCfg = Release|x64
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

tools/dmake/CMakeLists.txt

@@ -1,5 +1,5 @@
 # TODO: when using ccache and matchcompiler this will accessed before the file was generated and thus the build fails
-set(srcs_lib pathmatch.cpp path.cpp)
+set(srcs_lib pathmatch.cpp path.cpp utils.cpp)
 foreach(file ${srcs_lib})
     if (NOT USE_MATCHCOMPILER_OPT STREQUAL "Off")
         set(src "${CMAKE_BINARY_DIR}/lib/build/mc_${file}")
@@ -14,7 +14,6 @@ add_executable(dmake EXCLUDE_FROM_ALL
         dmake.cpp
         ${CMAKE_SOURCE_DIR}/cli/filelister.cpp
         ${srcs_tools}
-        ${CMAKE_SOURCE_DIR}/lib/utils.cpp
         $<TARGET_OBJECTS:simplecpp_objs>
 )
 target_include_directories(dmake PRIVATE ${CMAKE_SOURCE_DIR}/cli ${CMAKE_SOURCE_DIR}/lib)