[screen-devel] [bug #42246] 4.2.1 regression: compile error with Sun Studio 12 on Solaris 10

[Rob Levandowski]

Follow-up Comment #1, bug #42246 (project screen):

Hm, it may not be limited to Sun Studio. I tried compiling with GCC 4.8.2, and
got similar errors:

/opt/LIBRgcc4/bin/gcc -c -I. -I.  -DETCSCREENRC='"/usr/local/etc/screenrc"'
-DSCREENENCODINGS='"/usr/local/share/screen/utf8encodings"' -DHAVE_CONFIG_H
-DGIT_REV=""`git describe --always 2>/dev/null`"" 
     -mcpu=v9 -mno-vis -mno-vis2 -mno-vis3 -m64 socket.c
/bin/sh: git: not found
socket.c: In function 'ReceiveMsg':
socket.c:990:16: warning: assignment from incompatible pointer type [enabled
by default]
   iov.iov_base = &m;
                ^
socket.c:994:6: error: 'struct msghdr' has no member named 'msg_controllen'
   msg.msg_controllen = sizeof(control);
      ^
socket.c:995:6: error: 'struct msghdr' has no member named 'msg_control'
   msg.msg_control = &control;
      ^
socket.c:1007:14: error: 'struct msghdr' has no member named 'msg_controllen'
       if (msg.msg_controllen)
              ^
socket.c:1010:14: warning: assignment makes pointer from integer without a
cast [enabled by default]
    for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
              ^
socket.c:1010:48: warning: assignment makes pointer from integer without a
cast [enabled by default]
    for (cmsg = CMSG_FIRSTHDR(&msg); cmsg; cmsg = CMSG_NXTHDR(&msg, cmsg))
                                                ^
socket.c:1016:13: warning: cast to pointer from integer of different size
[-Wint-to-pointer-cast]
        cp = (char *)CMSG_DATA(cmsg);
             ^
socket.c: In function 'SendAttachMsg':
socket.c:1801:6: error: 'struct msghdr' has no member named 'msg_control'
   msg.msg_control = buf;
      ^
socket.c:1802:6: error: 'struct msghdr' has no member named 'msg_controllen'
   msg.msg_controllen = sizeof(buf);
      ^
socket.c:1803:8: warning: assignment makes pointer from integer without a cast
[enabled by default]
   cmsg = CMSG_FIRSTHDR(&msg);
        ^
socket.c:1807:3: warning: passing argument 2 of 'bcopy' makes pointer from
integer without a cast [enabled by default]
   bcopy(&fd, CMSG_DATA(cmsg), sizeof(int));
   ^
In file included from os.h:83:0,
                 from screen.h:30,
                 from socket.c:42:
/usr/include/strings.h:25:13: note: expected 'void *' but argument is of type
'int'
extern void bcopy(const void *, void *, size_t);
             ^
socket.c:1808:6: error: 'struct msghdr' has no member named 'msg_controllen'
   msg.msg_controllen = cmsg->cmsg_len;
      ^
gmake: *** [socket.o] Error 1


This is with configure options --enable-pam, --enable-use-locale, and
--enable-colors256 on Solaris 10 Update 11, kernel 150400-09.

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