@ -1,9 +1,11 @@
## To compile asn1c compiler itself
A 64-bit build system is strongly recommended for asn1c operation.
A working C99 compiler or better, such as gcc-4.x or clang-3.4.
A working C99 compiler is required to compile asn1c itself,
such as gcc-4.x or clang-3.4. The asn1c compiler produces C90-compatible code,
which is also upward compatible with C++.