Isolate manual artifact validation without package publication

build/linux-toolchain/smoke-angle.c

@@ -0,0 +1,3 @@
+#include <EGL/egl.h>
+#include <GLES2/gl2.h>
+int main(void) { EGLDisplay d = eglGetDisplay(EGL_DEFAULT_DISPLAY); EGLint a,b; if (!eglInitialize(d,&a,&b)) return 1; glClear(GL_COLOR_BUFFER_BIT); return eglTerminate(d) ? 0 : 2; }