AC_SUBST(HTTP_PARSER_LIBS) AC_SUBST(HTTP_PARSER_CFLAGS) PKG_CHECK_MODULES([HTTP_PARSER], [http_parser], [found_http_parser=yes], [found_http_parser=no]) SSS_AC_EXPAND_LIB_DIR() AS_IF([test x"$found_http_parser" != xyes], [AC_CHECK_HEADERS([http_parser.h], [AC_CHECK_LIB([http_parser_strict], [http_parser_init], [HTTP_PARSER_LIBS="-L$sss_extra_libdir -lhttp_parser_strict"], [AC_CHECK_LIB([http_parser], [http_parser_init], [HTTP_PARSER_LIBS="-L$sss_extra_libdir -lhttp_parser"], [AC_MSG_ERROR([libhttp_parser missing http_parser_init])], [-L$sss_extra_libdir -lhttp_parser]) ], [-L$sss_extra_libdir -lhttp_parser_strict])], [AC_MSG_ERROR([http_parser header files are not installed])])] )