I’m struggeling to get a QNX-Target (applies to both x86_64 and aarch64) compiled due to conflicting declarations in combination with #include_next statements. It is related to stdlib.h and cstdlib somehow. The QNX-Code reveals a bunch of compiler switches that control the inclusions but I cannot figure out what to set or unset. To get you in the picture here is an extract of the build log: