Following lines are commented in
resource.rc file (see line no 65 onwards).
/*
#if defined(WX_CPU_AMD64)
wxMANIFEST_ID RT_MANIFEST "amd64.manifest"
#elif defined(WX_CPU_IA64)
wxMANIFEST_ID RT_MANIFEST "ia64.manifest"
#elif defined(WX_CPU_X86)
wxMANIFEST_ID RT_MANIFEST "x86.manifest"
#else
#warning No platform defined! Unable to embed manifest file.
#endif
*/
As a result no manifest file is being embedded in
codeblocks.exe file.