build: see if we have a C99 compiler (not yet required)

bk: 549df3e9T62WMY7K9Erc4VICeNlJtw

diff --git a/ChangeLog b/ChangeLog
index fbc5cd1bc06254e5dcaa3fb2b6fb2127fcfa7347..56f2513fe875a735d37ce9d75d1ff2ae66b3657b 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,4 +1,7 @@
 ---
+
+* build: see if we have a C99 compiler (not yet required).
+---
 (4.2.8p1-beta1) 2014/12/23 Released by Harlan Stenn <stenn@ntp.org>
 
 * [Sec 2672] On some OSes ::1 can be spoofed, bypassing source IP ACLs.

diff --git a/sntp/m4/ntp_compiler.m4 b/sntp/m4/ntp_compiler.m4
index 2b418662b99c2ccb7fd2765424244c2106a4915a..e4c515f27a2e5fe3dc02acae4c896f00d2cb7543 100644 (file)
--- a/sntp/m4/ntp_compiler.m4
+++ b/sntp/m4/ntp_compiler.m4
@@ -2,6 +2,7 @@ dnl ######################################################################
 dnl Common m4sh code for compiler stuff
 AC_DEFUN([NTP_COMPILER], [
 AC_REQUIRE([AC_PROG_CC_C89])
+AC_REQUIRE([AC_PROG_CC_C99])
 
 CFLAGS_NTP=
 CPPFLAGS_NTP=