Attention is currently required from: plaisthos.

Hello flichtenheld,

I'd like you to reexamine a change. Please visit

    http://gerrit.openvpn.net/c/openvpn/+/443?usp=email

to look at the new patch set (#2).


Change subject: Remove unused/uneeded defines from configure and cmake config
......................................................................

Remove unused/uneeded defines from configure and cmake config

Anonymous unions/structs are technically a custom GNU C99 feature but
was already widely supported by other compilers. With C11 this feature
has become a standard feature so all compilers nowadays support it.

Change-Id: Ifd0376b36d4050dc22bc93b8fcf7ed29faef0021
---
M config.h.cmake.in
M configure.ac
M src/openvpn/mroute.h
3 files changed, 2 insertions(+), 45 deletions(-)


  git pull ssh://gerrit.openvpn.net:29418/openvpn refs/changes/43/443/2

diff --git a/config.h.cmake.in b/config.h.cmake.in
index 19b79bc..25273ac 100644
--- a/config.h.cmake.in
+++ b/config.h.cmake.in
@@ -62,9 +62,6 @@
 /* Enable --x509-username-field feature */
 #cmakedefine ENABLE_X509ALTUSERNAME

-/* Compiler supports anonymous unions */
-#define HAVE_ANONYMOUS_UNION_SUPPORT
-
 /* Define to 1 if you have the <arpa/inet.h> header file. */
 #cmakedefine HAVE_ARPA_INET_H 1

@@ -139,9 +136,6 @@
 /* Define to 1 if you have the `getpwnam' function. */
 #cmakedefine HAVE_GETPWNAM

-/* Define to 1 if you have the `getrlimit' function. */
-#undef HAVE_GETRLIMIT
-
 /* Define to 1 if you have the `getsockname' function. */
 #cmakedefine HAVE_GETSOCKNAME

@@ -235,8 +229,6 @@
 /* Define to 1 if you have the <pwd.h> header file. */
 #cmakedefine HAVE_PWD_H

-/* Define to 1 if you have the `readv' function. */
-#undef HAVE_READV

 /* Define to 1 if you have the `recvmsg' function. */
 #cmakedefine HAVE_RECVMSG
@@ -383,9 +375,6 @@
 /* Define to 1 if you have the <vfork.h> header file. */
 #undef HAVE_VFORK_H

-/* Define to 1 if you have the `vsnprintf' function. */
-#undef HAVE_VSNPRINTF
-
 /* we always assume a recent mbed TLS version */
 #define HAVE_MBEDTLS_PSA_CRYPTO_H 1
 #define HAVE_MBEDTLS_SSL_TLS_PRF 1
diff --git a/configure.ac b/configure.ac
index 84eaad6..055b2a7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -561,28 +561,6 @@
        ,
        [[${SOCKET_INCLUDES}]]
 )
-AC_MSG_CHECKING([anonymous union support])
-AC_COMPILE_IFELSE(
-       [AC_LANG_PROGRAM(
-               [[
-                       struct mystruct {
-                         union {
-                           int m1;
-                           char m2;
-                         };
-                       };
-               ]],
-               [[
-                       struct mystruct s;
-                       s.m1 = 1; s.m2 = 2;
-               ]]
-       )],
-       [
-               AC_MSG_RESULT([yes])
-               AC_DEFINE([HAVE_ANONYMOUS_UNION_SUPPORT], [], [Compiler 
supports anonymous unions])
-       ],
-       [AC_MSG_RESULT([no])]
-)

 saved_LDFLAGS="$LDFLAGS"
 LDFLAGS="$LDFLAGS -Wl,--wrap=exit"
@@ -655,7 +633,7 @@
 AC_CHECK_FUNCS([ \
        daemon chroot getpwnam setuid nice system dup dup2 \
        syslog openlog mlockall getrlimit getgrnam setgid \
-       setgroups flock readv writev time gettimeofday \
+       setgroups flock time gettimeofday \
        setsid chdir \
        chsize ftruncate execve getpeereid basename dirname access \
        epoll_create strsep \
diff --git a/src/openvpn/mroute.h b/src/openvpn/mroute.h
index a06e872..7cfa18e 100644
--- a/src/openvpn/mroute.h
+++ b/src/openvpn/mroute.h
@@ -96,17 +96,7 @@
             uint8_t prefix[12];
             in_addr_t addr;     /* _network order_ IPv4 address */
         } v4mappedv6;
-    }
-#ifndef HAVE_ANONYMOUS_UNION_SUPPORT
-/* Wrappers to support compilers that do not grok anonymous unions */
-        mroute_union
-#define raw_addr mroute_union.raw_addr
-#define ether mroute_union.ether
-#define v4 mroute_union.v4
-#define v6 mroute_union.v6
-#define v4mappedv6 mroute_union.v4mappedv6
-#endif
-    ;
+    };
 };

 /* Double-check that struct packing works as expected */

--
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Gerrit-Project: openvpn
Gerrit-Branch: master
Gerrit-Change-Id: Ifd0376b36d4050dc22bc93b8fcf7ed29faef0021
Gerrit-Change-Number: 443
Gerrit-PatchSet: 2
Gerrit-Owner: plaisthos <arne-open...@rfc2549.org>
Gerrit-Reviewer: flichtenheld <fr...@lichtenheld.com>
Gerrit-CC: openvpn-devel <openvpn-devel@lists.sourceforge.net>
Gerrit-Attention: plaisthos <arne-open...@rfc2549.org>
Gerrit-MessageType: newpatchset
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