1 --- a/autoconf/ast_ext_tool_check.m4
2 +++ b/autoconf/ast_ext_tool_check.m4
3 @@ -8,13 +8,16 @@ AC_DEFUN([AST_EXT_TOOL_CHECK],
4 AC_REQUIRE([AST_PROG_SED])dnl
5 if test "x${PBX_$1}" != "x1" -a "${USE_$1}" != "no"; then
7 - AC_PATH_TOOL(CONFIG_$1, $2, No, [${$1_DIR}/bin:$PATH])
8 + if test "x${$1_DIR}" != "x"; then
9 + AC_PATH_TOOL(CONFIG_$1, $2, No, [${$1_DIR}/bin:$PATH])
11 + AC_PATH_TOOL(CONFIG_$1, $2, No, [$PATH])
13 if test ! "x${CONFIG_$1}" = xNo; then
14 $1_INCLUDE=$(${CONFIG_$1} m4_default([$3],[--cflags]))
15 - $1_INCLUDE=$(echo ${$1_INCLUDE} | $SED -e "s|-I|-I${$1_DIR}|g" -e "s|-std=c99||g")
16 + $1_INCLUDE=$(echo ${$1_INCLUDE} | $SED -e "s|-std=c99||g")
18 $1_LIB=$(${CONFIG_$1} m4_default([$4],[--libs]))
19 - $1_LIB=$(echo ${$1_LIB} | $SED -e "s|-L|-L${$1_DIR}|g")
22 saved_cppflags="${CPPFLAGS}"