--- a/configure.ac
+++ b/configure.ac
@@ -256,30 +256,6 @@ AX_COMPILER_VENDOR
 # Set CC_FOR_BUILD
 if test "x${cross_compiling}" = "xyes"; then
     CC_FOR_BUILD=${CC_FOR_BUILD-gcc}
-    case "$host" in
-    	 arm*-linux-gnueabi*|arm*-*-linux-gnueabi*)
-		# spandsp modem
-		ac_cv_file__dev_ptmx=yes
-		# libjs
-		export ac_cv_va_copy=yes
-		# srtp
-		export ac_cv_file__dev_urandom=yes
-		# rpl_malloc
-		export ac_cv_func_realloc_0_nonnull=yes
-		export ac_cv_func_malloc_0_nonnull=yes
-		# apr
-		export ac_cv_func_setpgrp_void=yes
-		export ac_cv_file__dev_zero=yes
-		export apr_cv_tcp_nodelay_with_cork=yes
-		export ac_cv_file_dbd_apr_dbd_mysql_c=no
-		export ac_cv_sizeof_ssize_t=4
-		export apr_cv_mutex_recursive=yes
-		export ac_cv_func_pthread_rwlock_init=yes
-		export apr_cv_type_rwlock_t=yes
-		export apr_cv_process_shared_works=yes
-		export apr_cv_mutex_robust_shared=yes
-	 ;;
-    esac
 else
     CC_FOR_BUILD='$(CC)'
 fi
@@ -659,7 +635,7 @@ path_push_unique () {
   fi
 }
 
-AC_PATH_PROG([PG_CONFIG], [pg_config], [no])
+AC_PATH_PROG([PG_CONFIG], [pg_config], [no], ["${STAGING_DIR}"/usr/bin])
 AC_PATH_PROG([PKG_CONFIG], [pkg-config], [no])
 
 case $host in
@@ -1643,13 +1619,7 @@ AC_CHECK_PROG(PERL,perl,[ac_cv_have_perl
 # -a "x$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 $Config{archlib}'`/CORE"
-   PERL_LIBS="`$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="`$PERL -MExtUtils::Embed -e ldopts| sed -e 's|-arch x86_64 -arch i386||'`"
-   PERL_INC="`$PERL -MExtUtils::Embed -e perl_inc`"
+   PERL_CFLAGS="-w -DMULTIPLICITY ${PERL_CFLAGS} -DEMBED_PERL"
 
    save_CFLAGS="$CFLAGS"
    CFLAGS="$PERL_CFLAGS"
@@ -1744,24 +1714,12 @@ then
 		if test "$python_has_distutils" != "no" ; then
 			AC_MSG_CHECKING([location of site-packages])
 
-			PYTHON_SITE_DIR="`$PYTHON -c 'from distutils import sysconfig; print(sysconfig.get_python_lib(0));'`"
-
 			if test -z "$PYTHON_SITE_DIR" ; then
 				AC_MSG_ERROR([Unable to detect python site-packages path])
-			elif test ! -d "$PYTHON_SITE_DIR" ; then
-				AC_MSG_ERROR([Path $PYTHON_SITE_DIR returned by python does not exist!])
 			fi
 			AC_MSG_RESULT([$PYTHON_SITE_DIR])
 			AC_SUBST([PYTHON_SITE_DIR], [$PYTHON_SITE_DIR])
 
-			#
-			# python distutils found, get settings from python directly
-			#
-			PYTHON_CFLAGS="`$PYTHON -c 'from distutils import sysconfig; flags = [[\"-I\" + sysconfig.get_python_inc(0), \"-I\" + sysconfig.get_python_inc(1), \" \".join(sysconfig.get_config_var(\"CFLAGS\").split())]]; print(\" \".join(flags));' | sed -e 's/-arch i386//g;s/-arch x86_64//g'`"
-			PYTHON_LDFLAGS="`$PYTHON -c 'from distutils import sysconfig; libs = sysconfig.get_config_var(\"LIBS\").split() + sysconfig.get_config_var(\"SYSLIBS\").split(); libs.append(\"-lpython\"+sysconfig.get_config_var(\"VERSION\")); print(\" \".join(libs));'`"
-			PYTHON_LIB="`$PYTHON -c 'from distutils import sysconfig; print(\"python\" + sysconfig.get_config_var(\"VERSION\"));'`"
-			PYTHON_LIBDIR="`$PYTHON -c 'from distutils import sysconfig; print(sysconfig.get_config_var(\"LIBDIR\"));'`"
-
 			# handle python being installed into /usr/local
 			AC_MSG_CHECKING([python libdir])
 			if test -z "`echo $PYTHON_LIBDIR | grep "/usr/lib"`" ; then