boost install as non-root user

bootstrap.log

###
### Using 'darwin' toolset.
###
rm -rf bootstrap
mkdir bootstrap
cc -o bootstrap/jam0 command.c compile.c debug.c expand.c glob.c hash.c hdrmacro.c headers.c jam.c jambase.c jamgram.c lists.c make.c make1.c newstr.c option.c output.c parse.c pathunix.c pathvms.c regexp.c rules.c scan.c search.c subst.c timestamp.c variable.c modules.c strings.c filesys.c builtins.c pwd.c class.c native.c md5.c w32_getreg.c modules/set.c modules/path.c modules/regex.c modules/property-set.c modules/sequence.c modules/order.c execunix.c fileunix.c
expand.c: In function ‘var_expand’:
expand.c:85: warning: field precision should have type ‘int’, but argument 2 has type ‘long int’
./bootstrap/jam0 -f build.jam --toolset=darwin --toolset-root= clean
...found 1 target...
...updating 1 target...
...updated 1 target...
./bootstrap/jam0 -f build.jam --toolset=darwin --toolset-root=
...found 48 targets...
...updating 2 targets...
[MKDIR] [.bin_vms]
/bin/sh: -c: line 1: unexpected EOF while looking for matching `"'
/bin/sh: -c: line 2: syntax error: unexpected end of file

    CREATE/DIR  ")

...failed [MKDIR] [.bin_vms]...
...skipped bjam.exe for lack of [.bin_vms]...
...failed updating 1 target...
...skipped 1 target...