-AC_SUBST(LIBPCRE_CFLAGS)
-AC_SUBST(LIBPCRE_LIBS)
-
-
-# CURL
-LIBCURL_CHECK_CONFIG([yes], [], [have_libcurl="yes"], [have_libcurl="no"])
-if test "${have_libcurl}" != yes; then
- AC_MSG_ERROR([libcurl library not found, please install it])
-fi
-
-# libxml2
-AM_PATH_XML2([], [have_libxml="yes"], [have_libxml="no"])
-if test "${have_libxml}" != yes; then
- AC_MSG_ERROR([libxml not found, please install it])
-fi
-
-# explicitly link DSOs
-LIBS="$LIBS -ldl"
-
-
-dnl Checks for header files.
-#AC_CHECK_HEADERS([fcntl.h stddef.h stdlib.h string.h unistd.h])
-
-dnl Checks for typedefs, structures, and compiler characteristics.
-#AC_TYPE_PID_T
-#AC_TYPE_SIZE_T
-#AC_TYPE_SSIZE_T
+PKG_CHECK_MODULES([LIBCURL], [libcurl])
+PKG_CHECK_MODULES([XML], [libxml-2.0])