Fix vertical layout calculations when newline has line-height property

[gnu-emacs] / src / process.c

diff --git a/src/process.c b/src/process.c
index 5e06ccccac8a4cf024a3f095447ec610c3179756..e669278f6e3272527ff75ed26ec1ce6f1f263aa0 100644 (file)
--- a/src/process.c
+++ b/src/process.c
@@ -130,10 +130,10 @@ extern int sys_select (int, fd_set *, fd_set *, fd_set *,
                       struct timespec *, void *);
 #endif
 
-/* Work around GCC 4.7.0 bug with strict overflow checking; see
+/* Work around GCC 4.3.0 bug with strict overflow checking; see
    <http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52904>.
    This bug appears to be fixed in GCC 5.1, so don't work around it there.  */
-#if __GNUC__ == 4 && __GNUC_MINOR__ >= 3
+#if GNUC_PREREQ (4, 3, 0) && ! GNUC_PREREQ (5, 1, 0)
 # pragma GCC diagnostic ignored "-Wstrict-overflow"
 #endif
 \f
@@ -5492,15 +5492,16 @@ wait_reading_process_output (intmax_t time_limit, int nsecs, int read_kbd,
 
              p = XPROCESS (proc);
 
-#ifdef GNU_LINUX
-             /* getsockopt(,,SO_ERROR,,) is said to hang on some systems.
-                So only use it on systems where it is known to work.  */
+#ifndef WINDOWSNT
              {
                socklen_t xlen = sizeof (xerrno);
                if (getsockopt (channel, SOL_SOCKET, SO_ERROR, &xerrno, &xlen))
                  xerrno = errno;
              }
 #else
+             /* On MS-Windows, getsockopt clears the error for the
+                entire process, which may not be the right thing; see
+                w32.c.  Use getpeername instead.  */
              {
                struct sockaddr pname;
                socklen_t pnamelen = sizeof (pname);