define -DEMSCRIPTEN even when just configuring, so bundled headers work

1 files changed, 1 insertions, 1 deletions

diff --git a/emcc b/emcc
index 1290de0a..398d5825 100755
--- a/emcc
+++ b/emcc
@@ -285,7 +285,7 @@ if CONFIGURE_CONFIG or CMAKE_CONFIG:
   compiler = shared.CLANG
   if not ('CXXCompiler' in ' '.join(sys.argv) or os.environ.get('EMMAKEN_CXX')):
     compiler = shared.to_cc(compiler)
-  cmd = [compiler] + shared.EMSDK_OPTS + sys.argv[1:]
+  cmd = [compiler] + shared.EMSDK_OPTS + ['-DEMSCRIPTEN'] + sys.argv[1:]
   if DEBUG: print >> sys.stderr, 'emcc, just configuring: ', ' '.join(cmd)
   exit(os.execvp(compiler, cmd))