+At present, GCC 4.6 or later is the recommended compiler for building
+musl. Any earlier version of GCC with full C99 support should also
+work, but may be subject to minor floating point conformance issues on
+i386 targets. Sufficiently recent versions of PCC and LLVM/clang are
+also believed to work, but have not been tested as heavily; prior to
+Fall 2012, both had known bugs that affected musl. Firm/cparser is
+also believed to work but lacks support for producing shared
+libraries. GCC 4.9.0 and 4.9.1 are known to have a serious bug
+(#61144) which affects musl. Beginning with version 1.1.4 musl
+attempts to work around the bug, but these compiler versions are still
+considered unstable and unsupported.