* config.in: Regenerate.

* s/ms-w32.h (subprocesses): Define unconditionally.
* s/template.h (subprocesses): Update comment.
* s/vms.h (subprocesses):
* s/usg5-4.h (subprocesses):
* s/hpux10-20.h (subprocesses):
* s/gnu-linux.h (subprocesses):
* s/cygwin.h (subprocesses):
* s/bsd-common.h (subprocesses):
* s/aix4-2.h (subprocesses):
* s/darwin.h (subprocesses): Do not define, defined by default now.

* Makefile.in (C_SWITCH_SITE, LD_SWITCH_SITE): Remove, unused.
Remove all references.
(temacs): Add GNUStep specific ld flags.

* Makefile.in (ALL_CFLAGS): Remove reference to C_SWITCH_SITE.

* config.nt (C_SWITCH_SITE, LD_SWITCH_SITE): Do not undefine.

* Makefile.in (ALL_CFLAGS): Remove reference to C_SWITCH_SITE.

* configure.in (LD_SWITCH_SITE): Remove, set the values directly
in src/Makefile.in.
(static): Remove, autoconf would always comment it out anyway.
(subprocesses): Define unconditionally.

11 files changed, 4 insertions, 76 deletions

diff --git a/src/s/aix4-2.h b/src/s/aix4-2.h
index e5a8cbdab9a..c3b23948182 100644
--- a/src/s/aix4-2.h
+++ b/src/s/aix4-2.h
@@ -72,13 +72,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define BSTRING
 
-/* subprocesses should be defined if you want to
- have code for asynchronous subprocesses
- (as used in M-x compile and M-x shell).
- This is supposed to work now on system V release 2.  */
-
-#define subprocesses
-
 /* The file containing the kernel's symbol table is called /unix.  */
 
 #define KERNEL_FILE "/unix"
diff --git a/src/s/bsd-common.h b/src/s/bsd-common.h
index 77a6329cbe6..c1d5d0a14a9 100644
--- a/src/s/bsd-common.h
+++ b/src/s/bsd-common.h
@@ -61,14 +61,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define BSTRING
 
-/* subprocesses should be defined if you want to
-   have code for asynchronous subprocesses
-   (as used in M-x compile and M-x shell).
-   This is generally OS dependent, and not supported
-   under most USG systems. */
-
-#define subprocesses
-
 /* define MAIL_USE_FLOCK if the mailer uses flock
    to interlock access to /usr/spool/mail/$USER.
    The alternative is that a lock file named
diff --git a/src/s/cygwin.h b/src/s/cygwin.h
index fd13112730c..18f3d6f0115 100644
--- a/src/s/cygwin.h
+++ b/src/s/cygwin.h
@@ -84,14 +84,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define BSTRING
 
-/* subprocesses should be defined if you want to
-   have code for asynchronous subprocesses
-   (as used in M-x compile and M-x shell).
-   This is generally OS dependent, and not supported
-   under most USG systems. */
-
-#define subprocesses
-
 /* Define CLASH_DETECTION if you want lock files to be written
    so that Emacs can tell instantly when you try to modify
    a file that someone else has modified in his Emacs.  */
diff --git a/src/s/darwin.h b/src/s/darwin.h
index 75afe67380c..548b2da84fd 100644
--- a/src/s/darwin.h
+++ b/src/s/darwin.h
@@ -102,14 +102,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define BSTRING
 
-/* subprocesses should be defined if you want to
-   have code for asynchronous subprocesses
-   (as used in M-x compile and M-x shell).
-   This is generally OS dependent, and not supported
-   under most USG systems. */
-
-#define subprocesses
-
 /* define MAIL_USE_FLOCK if the mailer uses flock
    to interlock access to /usr/spool/mail/$USER.
    The alternative is that a lock file named
diff --git a/src/s/gnu-linux.h b/src/s/gnu-linux.h
index 7501cd602f3..a74d08a3c84 100644
--- a/src/s/gnu-linux.h
+++ b/src/s/gnu-linux.h
@@ -105,14 +105,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define BSTRING
 
-/* subprocesses should be defined if you want to
-   have code for asynchronous subprocesses
-   (as used in M-x compile and M-x shell).
-   This is generally OS dependent, and not supported
-   under most USG systems. */
-
-#define subprocesses
-
 /* define MAIL_USE_FLOCK if the mailer uses flock
    to interlock access to /usr/spool/mail/$USER.
    The alternative is that a lock file named
diff --git a/src/s/hpux10-20.h b/src/s/hpux10-20.h
index 201f4f4ca32..18a28d2b9d5 100644
--- a/src/s/hpux10-20.h
+++ b/src/s/hpux10-20.h
@@ -66,14 +66,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define BSTRING
 
-/* subprocesses should be defined if you want to
- have code for asynchronous subprocesses
- (as used in M-x compile and M-x shell).
- This is generally OS dependent, and not supported
- under most USG systems.  */
-
-#define subprocesses
-
 /* Define CLASH_DETECTION if you want lock files to be written
    so that Emacs can tell instantly when you try to modify
    a file that someone else has modified in his Emacs.  */
diff --git a/src/s/ms-w32.h b/src/s/ms-w32.h
index 87ed079bff9..5a4bcb9d131 100644
--- a/src/s/ms-w32.h
+++ b/src/s/ms-w32.h
@@ -84,14 +84,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 #define BCOPY_UPWARD_SAFE 1
 #define BCOPY_DOWNWARD_SAFE 1
 
-/* subprocesses should be defined if you want to
-   have code for asynchronous subprocesses
-   (as used in M-x compile and M-x shell).
-   This is generally OS dependent, and not supported
-   under most USG systems. */
-
-#define subprocesses 1
-
 /* If your system uses COFF (Common Object File Format) then define the
    preprocessor symbol "COFF". */
 
diff --git a/src/s/msdos.h b/src/s/msdos.h
index 1307f03459f..055ffad98a2 100644
--- a/src/s/msdos.h
+++ b/src/s/msdos.h
@@ -68,8 +68,7 @@ You lose; /* Emacs for DOS must be compiled with DJGPP */
 /* subprocesses should be defined if you want to
    have code for asynchronous subprocesses
    (as used in M-x compile and M-x shell).
-   This is generally OS dependent, and not supported
-   under most USG systems. */
+   This is the only system that needs this.  */
 
 #undef subprocesses
 
diff --git a/src/s/template.h b/src/s/template.h
index 4120a8fe042..ce5c8fdbe5c 100644
--- a/src/s/template.h
+++ b/src/s/template.h
@@ -104,13 +104,12 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define BSTRING
 
-/* subprocesses should be defined if you want to
+/* subprocesses should be undefined if you do NOT want to
    have code for asynchronous subprocesses
    (as used in M-x compile and M-x shell).
-   This is generally OS dependent, and not supported
-   under most USG systems. */
+   Currently only MSDOS does not support this. */
 
-#define subprocesses
+/* #undef subprocesses */
 
 /* If your system uses COFF (Common Object File Format) then define the
    preprocessor symbol "COFF". */
diff --git a/src/s/usg5-4.h b/src/s/usg5-4.h
index 9639d3be24c..7ce4790fb76 100644
--- a/src/s/usg5-4.h
+++ b/src/s/usg5-4.h
@@ -52,13 +52,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
  */
 #define SYSV_SYSTEM_DIR
 
-/* subprocesses should be defined if you want to
- have code for asynchronous subprocesses
- (as used in M-x compile and M-x shell).
- This is supposed to work now on system V release 2.  */
-
-#define subprocesses
-
 /* The file containing the kernel's symbol table is called /unix.  */
 
 #define KERNEL_FILE "/unix"
diff --git a/src/s/vms.h b/src/s/vms.h
index 7c2d4ad43d1..e95e5f217ae 100644
--- a/src/s/vms.h
+++ b/src/s/vms.h
@@ -45,14 +45,6 @@ along with GNU Emacs.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #define NONSYSTEM_DIR_LIBRARY
 
-/* subprocesses should be defined if you want to
-   have code for asynchronous subprocesses
-   (as used in M-x compile and M-x shell).
-   This is generally OS dependent, and not supported
-   under most USG systems. */
-
-#define subprocesses
-
 /* Define the maximum record length for print strings, if needed. */
 
 #define MAX_PRINT_CHARS 300