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-rw-r--r--src/s/isc2-2.h31
1 files changed, 21 insertions, 10 deletions
diff --git a/src/s/isc2-2.h b/src/s/isc2-2.h
index b02f356e97e..b15b15c830c 100644
--- a/src/s/isc2-2.h
+++ b/src/s/isc2-2.h
@@ -15,7 +15,7 @@
/* This keeps the .cdbx section that gcc puts out when generating
- stabs-in-coff output, so Emacs can be debugged. --karl@cs.umb.edu*/
+ stabs-in-coff output, so Emacs can be debugged. --karl@cs.umb.edu. */
#define USG_SHARED_LIBRARIES
/* We can support lock files. */
@@ -27,12 +27,21 @@
#define O_NDELAY O_NONBLOCK
#define MEMORY_IN_STRING_H
-/* -lcposix is always needed for rename. -lPW is only needed if not gcc. */
-#ifdef __GNUC__
-#define LIB_STANDARD -lcposix -lc
-#else
-#define LIB_STANDARD -lPW -lcposix -lc
-#endif
+/* Tell gmalloc.c that we don't have memmove (system include files to the
+ contrary!). */
+#define MEMMOVE_MISSING
+
+/* Send a signal to a subprocess by "typing" a signal character. */
+#define SIGNALS_VIA_CHARACTERS
+
+/* -lPW is only needed if not using Gcc. We used to include -lcposix here
+ for the rename function, but some pepople saus ISC's renames doesn't
+ work correctly with Emacs so we use Emacs' emulation instead. */
+#if defined (__GNUC__)
+# define LIB_STANDARD -lcposix -lc
+#else /* !__GNUC__ */
+# define LIB_STANDARD -lPW -lc
+#endif /* !__GNUC__ */
/* mt00@etherm.co.uk says this is needed for process.c. */
#define USE_UTIME
@@ -57,9 +66,11 @@
unconditionally define this. */
#define NO_ASM
-/* The POSIX-ified system headers don't work with GCC. */
-#ifdef __GNUC__
-#define C_SWITCH_SYSTEM -traditional
+/* -traditional is not necessary if the system header files are fixed to
+ define getc and putc in the absence of _POSIX_SOURCE. GCC's from 2.4.4
+ on do this. */
+#if !defined (__GNUC__) || __GNUC__ < 2
+# define C_SWITCH_SYSTEM -traditional
#endif
/* Some versions of ISC are said to define S_IFLNK even tho