--- a/configure.ac
+++ b/configure.ac
@@ -254,7 +254,7 @@ AX_COMPILER_VENDOR
 if test "x${cross_compiling}" = "xyes"; then
     CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
     case "$host" in
-    	 arm*-linux-gnueabi*|arm*-*-linux-gnueabi*)
+    	 arm*-linux-gnueabi*|arm*-*-linux-*)
 		# spandsp modem
 		ac_cv_file__dev_ptmx=yes
 		# libjs
@@ -273,7 +273,7 @@ if test "x${cross_compiling}" = "xyes";
 		export apr_cv_mutex_recursive=yes
 		export ac_cv_func_pthread_rwlock_init=yes
 		export apr_cv_type_rwlock_t=yes
-		export apr_cv_process_shared_works=yes
+		export apr_cv_process_shared_works=no
 		export apr_cv_mutex_robust_shared=yes
 	 ;;
     esac
@@ -405,9 +405,6 @@ elif test "x${ax_cv_c_compiler_vendor}"
 elif test "x${ax_cv_c_compiler_vendor}" = "xgnu" ; then
     APR_ADDTO(SWITCH_AM_CFLAGS, -fPIC)
     APR_ADDTO(SWITCH_AM_CXXFLAGS, -fPIC)
-    if test "$ac_cv_gcc_supports_w_no_unused_result" = yes; then
-      APR_ADDTO(SWITCH_AM_CFLAGS, -Werror)
-    fi
     if test "${enable_64}" = "yes"; then
 	case "$host" in
              *darwin*)
@@ -901,7 +898,6 @@ AC_CHECK_LIB(pthread, pthread_setschedpa
 
 AC_CHECK_FUNC(socket, , AC_CHECK_LIB(socket, socket))
 
-AC_CHECK_FILE(/dev/ptmx, [AC_DEFINE(HAVE_DEV_PTMX, 1, [Define if you have /dev/ptmx])])
 AC_CHECK_LIB(util, openpty, [AC_DEFINE(HAVE_OPENPTY, 1, [Define if you have openpty()])])
 
 AC_CHECK_MEMBERS([struct tm.tm_gmtoff],,,[
@@ -1474,14 +1470,14 @@ AM_CONDITIONAL([HAVE_MYSQL],[test "$foun
 # perl checks
 #
 
-AC_CHECK_PROG(PERL,perl,[ac_cv_have_perl=yes],[ac_cv_have_perl=no])
+AC_CHECK_PROG(PERL,[perl],[ac_cv_have_perl=yes],[ac_cv_have_perl=no],[${STAGING_DIR}/host/usr/bin])
+PERL=$as_dir/$ac_word$ac_exec_ext
 
 # -a "x$ac_cv_have_EXTERN_h" != "xno"
 
 if test "x$ac_cv_have_perl" != "xno"; then
-   PERL=perl
-   PERL_SITEDIR="`$PERL -MConfig -e 'print $Config{archlib}'`"
-   PERL_LIBDIR="-L`$PERL -MConfig -e 'print $Config{archlib}'`/CORE"
+   PERL_SITEDIR="`$PERL -MConfig -e 'print $Config{archlibexp}'`"
+   PERL_LIBDIR="-L`$PERL -MConfig -e 'print $Config{archlibexp}'`/CORE"
    PERL_LIBS="`$PERL -MConfig -e 'print $Config{libs}'`"
    PERL_CFLAGS="-w -DMULTIPLICITY `$PERL -MExtUtils::Embed -e ccopts | sed -e 's|-arch x86_64 -arch i386||'` -DEMBED_PERL"
    PERL_LDFLAGS="`$PERL -MExtUtils::Embed -e ldopts| sed -e 's|-arch x86_64 -arch i386||'`"
@@ -1498,6 +1494,7 @@ if test "x$ac_cv_have_perl" != "xno"; th
    AC_CHECK_LIB([perl], [perl_alloc], ac_cv_use_libperl=yes, ac_cv_use_libperl=no)
    LDFLAGS="$save_LDFLAGS"
 
+   AC_SUBST(PERL)
    AC_SUBST(PERL_SITEDIR)
    AC_SUBST(PERL_LIBDIR)
    AC_SUBST(PERL_LIBS)