DEBUG: keep dogfooding forwarder with cmake during build

recipe/bld.bat

@@ -1,5 +1,17 @@
 echo on
 
+move %BUILD_PREFIX%\Library\bin\cmake.exe %BUILD_PREFIX%\Library\bin\cmake-19.exe
+REM forwarder just calls the versioned binary; needs to be compiled
+REM to be usable without extra ceremony; the forwarder constructs the
+REM call based on its own filename, so we only need to compile it once
+copy %RECIPE_DIR%\win_forwarder.c .\win_forwarder.c
+REM replace templated version number in code
+sed -i "s/{{ majorversion }}/%PKG_VERSION:~0,2%/g" .\win_forwarder.c
+%CC% .\win_forwarder.c
+type .\win_forwarder.c
+
+copy .\win_forwarder.exe %BUILD_PREFIX%\Library\bin\cmake.exe
+
 mkdir build
 cd build
 

recipe/meta.yaml

@@ -32,6 +32,7 @@ requirements:
     - cmake
     - ninja
     - python >=3
+    - m2-sed    # [win]
     - libcxx {{ cxx_compiler_version }}  # [osx]
   host:
     - libcxx {{ cxx_compiler_version }}  # [osx]

recipe/win_forwarder.c

@@ -35,6 +35,7 @@ int _tmain( int argc, TCHAR *argv[] )
         strcat(forwarded, argv[i]);
         strcat(forwarded, "\"");
     }
+    printf("Reconstructed call: %s\n", forwarded);
 
     // Start the child process.
     if( !CreateProcess( NULL,       // No module name (use command line)