Better way to pass SKIP_HOST as an environement variable

pyodide_build/buildpkg.py

@@ -83,7 +83,8 @@ def compile(path, srcpath, pkg, args):
     orig_dir = Path.cwd()
     os.chdir(srcpath)
     env = dict(os.environ)
-    env['SKIP_HOST'] = str(pkg.get('build', {}).get('skip_host', True))
+    if pkg.get('build', {}).get('skip_host', True):
+        env['SKIP_HOST'] = ''
 
     try:
         subprocess.run([

pyodide_build/pywasmcross.py

@@ -59,7 +59,7 @@ def collect_args(basename):
         path = path.replace(str(ROOTDIR) + ':', '')
     env['PATH'] = path
 
-    skip_host = os.environ.get('SKIP_HOST', 'True').lower() == 'true'
+    skip_host = 'SKIP_HOST' in os.environ
 
     # Skip compilations of C/Fortran extensions for the target environement.
     # We still need to generate the output files for distutils to continue