configure.bat: add coverage option

Author: gknowles

configure.bat

@@ -5,41 +5,77 @@ setlocal
 set toolset=v145
 set args=
 set args2=
-for %%t in (%*) do call :set_arg %%t
-goto :build
+for %%t in (%*) do call :set_arg "%%t"
+if errorlevel 1 goto :eof
+if exist build rd /s/q build
+if exist build goto :eof
+md build & cd build
+set cmd=cmake .. -G "Visual Studio 18 2026" -A x64 -T %toolset% %args% %args2%
+echo %cmd%
+%cmd%
+cd ..
+goto :eof
 
 :set_arg
-if %1 == v140 (
-    set toolset=%1
+if %1 == "v140" (
+    set toolset=v140
     set args=-DCMAKE_SYSTEM_VERSION="10.0.19041.0"
+    goto :eof
 )
-if %1 == v140_xp (
-    set toolset=%1
+if %1 == "v140_xp" (
+    set toolset=v140_xp
     set args=-DCMAKE_SYSTEM_VERSION="10.0.19041.0"
+    goto :eof
 )
-if %1 == v141 (
-    set toolset=%1
+if %1 == "v141" (
+    set toolset=v141
     set args=-DCMAKE_SYSTEM_VERSION="10.0.19041.0"
+    goto :eof
 )
-if %1 == v142 (
-    set toolset=%1
+if %1 == "v142" (
+    set toolset=v142
+    goto :eof
 )
-if %1 == v143 (
-    set toolset=%1
+if %1 == "v143" (
+    set toolset=v143
+    goto :eof
 )
-if %1 == v145 (
-    set toolset=%1
+if %1 == "v145" (
+    set toolset=v145
+    goto :eof
 )
-if /i %1 == DLL (
-    set args2=-DBUILD_SHARED_LIBS:BOOL=ON -DLINK_STATIC_RUNTIME:BOOL=OFF
+if /i %1 == "DLL" (
+    set args2=%args2% -DBUILD_SHARED_LIBS:BOOL=ON
+    set args2=%args2% -DLINK_STATIC_RUNTIME:BOOL=OFF
+    goto :eof
 )
-goto :eof
+if /i %1 == "COVERAGE" (
+    set args2=%args2% -DBUILD_COVERAGE:BOOL=ON
+    goto :eof
+)
+for %%s in (help -h --help) do (
+    if /i %1 == "%%s" (
+        goto :help
+    )
+)
+echo Unknown option: %~1
+echo Use 'help' for options.
+exit /b 1
 
-:build
-if exist build rd /s/q build
-if exist build goto :eof
-md build & cd build
-set cmd=cmake .. -G "Visual Studio 18 2026" -A x64 -T %toolset% %args% %args2%
-echo %cmd%
-%cmd%
-cd ..
+:help
+echo Usage: configure [ARGS...]
+echo.
+echo Toolset (If multiple, last one wins).
+echo    v140        Visual Studio 2015
+echo    v140_xp     Visual Studio 2015 (Windows XP compatible).
+echo    v141        Visual Studio 2017
+echo    v142        Visual Studio 2019
+echo    v143        Visual Studio 2022
+echo    v145        Visual Studio 2026
+echo.
+echo Miscellaneous
+echo    dll         Build Shared Libs (Otherwise everything static linked).
+echo    coverage    Includes assert tests and, if gcc, code coverage report.
+echo.
+echo    help        Show this message and exit.
+exit /b 1