libc/newlib: Add extra config for newlib.
So users can input config like --enable-newlib-register-fini.
Reviewed-by: Michael Hope
Signed-off-by: Zhenqiang Chen <zhenqiang.chen@linaro.org>
1 diff -ru ltrace-0.5.3.org/configure ltrace-0.5.3/configure
2 --- ltrace-0.5.3.org/configure 2011-08-21 18:55:15.000000000 +0200
3 +++ ltrace-0.5.3/configure 2011-08-21 18:54:46.000000000 +0200
7 echo -n "checking HOST_OS... "
9 -if [ "$HOST_OS" = "Linux" ]
10 +if [ -z "$HOST_OS" ] ; then
11 + HOST_OS=$( uname -s )
13 + echo -n "using preset: "
15 +if [ "$HOST_OS" = "Linux" -o "$HOST_OS" = "linux" ]