crossdev musl

main.c

#include <stdio.h>

int main()
{
    printf("Hello World!\n");
    return 0;
}

Makefile

# Set the compiler toolchain to musl-gcc
# In gentoo, create the toolchain with crossdev
#
# 	crossdev -t x86_64-pc-linux-musl -S
#
CC = x86_64-pc-linux-musl-gcc

# The toolchain sets the ELF Interpreter to /lib/ld-musl-x86_64.so.1
# Either, set the interpreter in the binary to the musl dynamic loader,
# which is the same file as the libc, or symlink the expected loader.
#
#	ln -s /usr/x86_64-pc-linux-musl/usr/lib/libc.so /lib/ld-musl-x86_64.so.1
#
# Uncomment this line to compile the location of the linker into the binary
#LDFLAGS += -Wl,--dynamic-linker=/usr/x86_64-pc-linux-musl/usr/lib/libc.so


# For programs that link against other libraries too, add the musl variants
# to their RPATH, this way, you don't need LD_PRELOAD tricks.
LDFLAGS += -Wl,-rpath,/usr/x86_64-pc-linux-musl/usr/lib