AC_DEFUN([PECL_HAVE_LIBCURL_FEATURE], [dnl
AC_REQUIRE([PECL_PROG_EGREP])dnl
AC_CACHE_CHECK([for $1 feature in libcurl], PECL_CACHE_VAR([HAVE_LIBCURL_FEATURE_$1]), [
AC_DEFUN([PECL_HAVE_LIBCURL_FEATURE], [dnl
AC_REQUIRE([PECL_PROG_EGREP])dnl
AC_CACHE_CHECK([for $1 feature in libcurl], PECL_CACHE_VAR([HAVE_LIBCURL_FEATURE_$1]), [