From: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx> The getrpcbynumber() function may not be available in the C library, but only in the libtirpc library. Take this into account when checking for the existence of getrpcbynumber() and getrpcbynumber_r(). Reviewed-by: Petr Vorel <petr.vorel@xxxxxxxxx> [ pvorel: patch taken from Buildroot distribution ] Signed-off-by: Petr Vorel <petr.vorel@xxxxxxxxx> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@xxxxxxxxxxxxxxxxxx> --- configure.ac | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/configure.ac b/configure.ac index 949ff9fc..e9699752 100644 --- a/configure.ac +++ b/configure.ac @@ -534,11 +534,23 @@ AC_FUNC_STAT AC_FUNC_VPRINTF AC_CHECK_FUNCS([alarm atexit dup2 fdatasync ftruncate getcwd \ gethostbyaddr gethostbyname gethostname getmntent \ - getnameinfo getrpcbyname getrpcbynumber getrpcbynumber_r getifaddrs \ + getnameinfo getrpcbyname getifaddrs \ gettimeofday hasmntopt inet_ntoa innetgr memset mkdir pathconf \ ppoll realpath rmdir select socket strcasecmp strchr strdup \ strerror strrchr strtol strtoul sigprocmask name_to_handle_at]) +save_CFLAGS=$CFLAGS +save_LIBS=$LIBS +CFLAGS="$CFLAGS $AM_CPPFLAGS" +LIBS="$LIBS $LIBTIRPC" +AC_CHECK_FUNCS([getrpcbynumber getrpcbynumber_r]) +CFLAGS=$save_CFLAGS +LIBS=$save_LIBS + +if test "$ac_cv_func_getrpcbynumber_r" != "yes" -a "$ac_cv_func_getrpcbynumber" != "yes"; then + AC_MSG_ERROR([Neither getrpcbynumber_r nor getrpcbynumber are available]) +fi + dnl ************************************************************* dnl Check for data sizes dnl ************************************************************* -- 2.24.0