Can't compile in alpine linux

Hi there,

I am trying to compile folly inside a alpine docker container. This is the error that I get.

bash-5.0# make -j8
[ 1%] Building CXX object CMakeFiles/folly_base.dir/folly/experimental/symbolizer/Elf.cpp.o
/root/folly/folly/experimental/symbolizer/Elf.cpp: In member function 'folly::symbolizer::ElfFile::OpenResult folly::symbolizer::ElfFile::init()':
/root/folly/folly/experimental/symbolizer/Elf.cpp:226:27: error: 'ELFCLASSFOLLY_ELF_NATIVE_CLASS' was not declared in this scope
226 | #define EXPECTED_CLASS P1(ELFCLASS, FOLLY_ELF_NATIVE_CLASS)
| ^~~~~~~~
/root/folly/folly/experimental/symbolizer/Elf.cpp:228:18: note: in definition of macro 'P2'
228 | #define P2(a, b) a##b
| ^
/root/folly/folly/experimental/symbolizer/Elf.cpp:226:24: note: in expansion of macro 'P1'
226 | #define EXPECTED_CLASS P1(ELFCLASS, FOLLY_ELF_NATIVE_CLASS)
| ^~
/root/folly/folly/experimental/symbolizer/Elf.cpp:230:38: note: in expansion of macro 'EXPECTED_CLASS'
230 | if (elfHeader.e_ident[EI_CLASS] != EXPECTED_CLASS) {
| ^~~~~~~~~~~~~~
make[2]: *** [CMakeFiles/folly_base.dir/build.make:1421: CMakeFiles/folly_base.dir/folly/experimental/symbolizer/Elf.cpp.o] Error 1
make[1]: *** [CMakeFiles/Makefile2:216: CMakeFiles/folly_base.dir/all] Error 2
make: *** [Makefile:149: all] Error 2

I guess it has to do with the fact that alpine uses musl instead of glibc. Any ideas how to fix this?

Cheers,
Asier