| addto_CPPFLAGS() { |
| local f |
| for f; do |
| case " $CPPFLAGS " in |
| *\ $f\ *) ;; |
| *) CPPFLAGS="$CPPFLAGS $f" ;; |
| esac |
| done |
| } |
| |
| realdirpath() { |
| [ -z "$1" ] && return 1 |
| (cd "$1" 2>/dev/null && pwd) |
| if test $? -ne 0; then |
| return 1 |
| else |
| return 0 |
| fi |
| } |
| |
| for d in . .. ../.. ../../..; do |
| if test -e "$srcdir/$d/configure.cygwin"; then |
| winsup_srcdir=$(realdirpath "$srcdir/$d") |
| break |
| fi |
| done |
| |
| if test -z "$winsup_srcdir"; then |
| echo "cannot find directory containing configure.cygwin" 1>&2 |
| exit 1 |
| fi |
| |
| case "$srcdir" in |
| */newlib*) lookfor=newlib ;; |
| */winsup*) lookfor=winsup ;; |
| *) lookfor=. ;; |
| esac |
| |
| for d in . .. ../.. ../../..; do |
| if test -d "$d/$lookfor"; then |
| target_builddir=$(realdirpath "$d") |
| break |
| fi |
| done |
| |
| if test -z "$target_builddir"; then |
| target_builddir=$(pwd) |
| fi |
