Caused by cb987f25d3, unnoticed since.
cb987f25d3
@ -17,7 +17,7 @@ build() {
cmake .. \
-DCMAKE_MODULE_PATH="$startdir/toolchains/modules" \
-DCMAKE_TOOLCHAIN_FILE="$startdir/toolchains/generic/Emscripten.cmake \
-DCMAKE_TOOLCHAIN_FILE="$startdir/toolchains/generic/Emscripten.cmake" \
-G Ninja
fi