nsz Git - musl/blob - tools/gen-musl-gcc.sh

   1 #!/bin/sh
   2
   3 printf '#!/bin/sh\n\nlibc_prefix="%s"\nldso_pathname="%s"\n' "$1" "$2"
   4
   5 cat <<"EOF"
   6 libc_lib=$libc_prefix/lib
   7 libc_inc=$libc_prefix/include
   8 libc_crt="$libc_lib/crt1.o"
   9 libc_start="$libc_lib/crti.o"
  10 libc_end="$libc_lib/crtn.o"
  11
  12 gcc_inc=$libc_inc
  13 libgcc="`gcc \"$@\" -print-file-name=libgcc.a`"
  14 libgcc=${libgcc%libgcc.a}
  15
  16 gcc -wrapper sh,-c,'
  17 x= ; y= ; z= ; s= ; for i ; do
  18   [ "$z" ] || set -- ; z=1
  19   case "$i" in
  20     -shared) s=1 ; set -- "$@" -shared ;;
  21     -Lxxxxxx) x=1 ;;
  22     -xxxxxx) x= ; [ "$s" ] || set -- "$@" "'"$libc_start"'" "'"$libc_crt"'" ;;
  23     -l*) [ "$y" ] || set -- "$@" '"$libc_end"' ; set -- "$@" "$i" ; y=1 ;;
  24     *) [ "$x" ] || set -- "$@" "$i" ;;
  25   esac
  26 done
  27 exec "$0" "$@"
  28 ' -std=gnu99 -nostdinc -nostdlib \
  29   -isystem "$libc_inc" -isystem "$gcc_inc" \
  30   -Wl,-xxxxxx "$@" -L"$libc_lib" -lc -L"$libgcc" -lgcc -Lxxxxxx \
  31   -Wl,-dynamic-linker,"$ldso_pathname" -Wl,-nostdlib
  32 EOF