musl/tools/gen-musl-gcc.sh
Rich Felker 71df8b2760 use -L/...../ -lgcc instead of /...../libgcc.a in musl-gcc wrapper
this should avoid warnings about unused libs when not linking, and
might fix some other obscure issues too. i might replace this approach
with a completely different one soon though.
2011-03-01 12:04:36 -05:00

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#!/bin/sh
printf '#!/bin/sh\n\nlibc_prefix="%s"\n' "$1"
cat <<"EOF"
libc_lib=$libc_prefix/lib
libc_inc=$libc_prefix/include
libc_crt="$libc_lib/crt1.o"
libc_start="$libc_lib/crti.o"
libc_end="$libc_lib/crtn.o"
gcc_inc=$libc_inc
libgcc="`gcc \"$@\" -print-file-name=libgcc.a`"
libgcc=${libgcc%libgcc.a}
gcc -wrapper sh,-c,'
x= ; y= ; z= ; s= ; for i ; do
[ "$z" ] || set -- ; z=1
case "$i" in
-shared) s=1 ; set -- "$@" -shared ;;
-Lxxxxxx) x=1 ;;
-xxxxxx) x= ; [ "$s" ] || set -- "$@" "'"$libc_start"'" "'"$libc_crt"'" ;;
-l*) [ "$y" ] || set -- "$@" '"$libc_end"' ; set -- "$@" "$i" ; y=1 ;;
*) [ "$x" ] || set -- "$@" "$i" ;;
esac
done
exec "$0" "$@"
' -std=gnu99 -nostdinc -nostdlib \
-isystem "$libc_inc" -isystem "$gcc_inc" \
-Wl,-xxxxxx "$@" -L"$libc_lib" -lc -L"$libgcc" -lgcc -Lxxxxxx -Wl,-nostdlib
EOF