musl compiler wrappers

ld.musl-clang

#!/bin/sh
cc="clang"
libc_lib="/usr/lib64/musl"
ldso="/lib64/ld-musl-x86_64.so.1"
cleared=
shared=
userlinkdir=
userlink=

for x ; do
    test "$cleared" || set -- ; cleared=1

    case "$x" in
        -L-user-start)
            userlinkdir=1
            ;;
        -L-user-end)
            userlinkdir=
            ;;
        -L*)
            test "$userlinkdir" && set -- "$@" "$x"
            ;;
        -l-user-start)
            userlink=1
            ;;
        -l-user-end)
            userlink=
            ;;
        crtbegin*.o|crtend*.o)
            set -- "$@" $($cc -print-file-name=$x)
            ;;
        -lgcc|-lgcc_eh)
            file=lib${x#-l}.a
            set -- "$@" $($cc -print-file-name=$file)
            ;;
        -l*)
            test "$userlink" && set -- "$@" "$x"
            ;;
        -shared)
            shared=1
            set -- "$@" -shared
            ;;
        -sysroot=*|--sysroot=*)
            ;;
        *)
            set -- "$@" "$x"
            ;;
    esac
done

exec $($cc -print-prog-name=ld) -nostdlib "$@" -lc -dynamic-linker "$ldso"

musl-clang

#!/bin/sh
cc="clang"
libc="/usr"
libc_inc="/usr/include/musl"
libc_lib="/usr/lib64/musl"
thisdir="`cd "$(dirname "$0")"; pwd`"

# prevent clang from running the linker (and erroring) on no input.
sflags=
eflags=
for x ; do
    case "$x" in
        -l*) input=1 ;;
        *) input= ;;
    esac
    if test "$input" ; then
        sflags="-l-user-start"
        eflags="-l-user-end"
        break
    fi
done

exec $cc \
    -B"$thisdir" \
    -fuse-ld=musl-clang \
    -static-libgcc \
    -nostdinc \
    --sysroot "$libc" \
    -isystem "$libc_inc" \
    -L-user-start \
    $sflags \
    "$@" \
    $eflags \
    -L"$libc_lib" \
    -L-user-end

musl-gcc

#!/bin/sh
exec "${REALGCC:-x86_64-solus-linux-gcc}" "$@" -specs "/usr/lib64/musl/musl-gcc.specs"

musl-gcc.specs

%rename cpp_options old_cpp_options

*cpp_options:
-nostdinc -isystem /usr/include/musl -isystem include%s %(old_cpp_options)

*cc1:
%(cc1_cpu) -nostdinc -isystem /usr/include/musl -isystem include%s

*link_libgcc:
-L/usr/lib64/musl -L .%s

*libgcc:
libgcc.a%s %:if-exists(libgcc_eh.a%s)

*startfile:
%{!shared: /usr/lib64/musl/Scrt1.o} /usr/lib64/musl/crti.o crtbeginS.o%s

*endfile:
crtendS.o%s /usr/lib64/musl/crtn.o

*link:
-dynamic-linker /lib64/ld-musl-x86_64.so.1 -nostdlib %{shared:-shared} %{static:-static} %{rdynamic:-export-dynamic}

*esp_link:


*esp_options:


*esp_cpp_options: