(C_SWITCH_SYSTEM): Remove -fno-common.

1 files changed, 5 insertions, 1 deletions

diff --git a/src/s/darwin.h b/src/s/darwin.h
index fad445d7557..17188f42996 100644
--- a/src/s/darwin.h
+++ b/src/s/darwin.h
@@ -263,7 +263,7 @@ Boston, MA 02110-1301, USA.  */
 
 /* Indicate that we are compiling for Mac OS X and where to find Mac
    specific headers.  */
-#define C_SWITCH_SYSTEM -fpascal-strings -fno-common -DMAC_OSX -I../mac/src
+#define C_SWITCH_SYSTEM -fpascal-strings -DMAC_OSX -I../mac/src
 
 /* Link in the Carbon lib. */
 #ifdef HAVE_CARBON
@@ -328,6 +328,10 @@ struct kboard;
    does not exist.  */
 #undef HAVE_WORKING_VFORK
 #define vfork fork
+
+/* Don't close pty in process.c to make it as controlling terminal.
+   It is already a controlling terminal of subprocess, because we did
+   ioctl TIOCSCTTY.  */
 #define DONT_REOPEN_PTY
 
 #ifdef temacs