AC_CHECK_LIB([protobuf-c], [protobuf_c_data_buffer_init], [], [AC_MSG_ERROR([could not find protobuf-c library])])
AC_CHECK_HEADERS([libconfig.h], [], [AC_MSG_ERROR([could not find libconfig.h])])
AC_CHECK_LIB([config], [config_init], [], [AC_MSG_ERROR([could not find libconfig])])
+AC_CHECK_FUNC([clock_gettime], [], [AC_CHECK_LIB([rt], [clock_gettime], [], [AC_MSG_ERROR([could not find clock_gettime() in librt])])])
AS_IF([test "x$with_ssl" = xpolarssl], [
AC_CHECK_HEADERS([polarssl/ssl.h], [], [AC_MSG_ERROR([could not find polarssl/ssl.h])])
AC_CHECK_HEADERS([polarssl/version.h], [], [AC_MSG_ERROR([could not find polarssl/version.h])])
+
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <polarssl/ssl.h>]],
+ [[#if defined(POLARSSL_ZLIB_SUPPORT)
+ int x;
+ #endif
+ x = 0;
+ return 0;]])],
+ [AC_CHECK_LIB([z], [deflate], [], [AC_MSG_ERROR([could not find zlib])])],
+ [])
AC_CHECK_LIB([polarssl], [ssl_init], [], [AC_MSG_ERROR([could not find libpolarssl])])
AC_DEFINE([USE_POLARSSL], [], [Use PolarSSL])
AS_IF([test "x$enable_polarssl_test_cert" = xyes], [
AC_TYPE_UINT8_T
# Checks for library functions.
-AC_CHECK_FUNCS([ftruncate gettimeofday inet_ntoa memchr memmove memset socket strdup strerror strrchr uname poll clock_gettime], [], [AC_MSG_ERROR([missing a required func])])
+AC_CHECK_FUNCS([ftruncate gettimeofday inet_ntoa memchr memmove memset socket strdup strerror strrchr uname poll], [], [AC_MSG_ERROR([missing a required func])])
AC_CONFIG_FILES([Makefile src/Makefile])
AC_OUTPUT