Gentoo's Bugzilla –
Attachment 855104 Details for
Bug 898280sci-libs/gmsh-4.10.3 fails to compile (MUSL-CLANG-SYSTEM): edgegen.c:1680:18: error: call to undeclared library function strlen with type unsigned long (const char ); ISO C99 and later do not support implicit function declarations [-Wimplicit-function-de