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authorTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
committerTaru Karttunen <taruti@taruti.net>2011-03-30 15:46:40 +0300
commite5888a1ffdae813d7575f5fb02275c6bb07e5199 (patch)
treed8d51eac403f07814b9e936eed0c9a79195e2450 /sys/src/ape/cmd/pdksh/conf-end.h
Import sources from 2011-03-30 iso image
Diffstat (limited to 'sys/src/ape/cmd/pdksh/conf-end.h')
-rwxr-xr-xsys/src/ape/cmd/pdksh/conf-end.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/sys/src/ape/cmd/pdksh/conf-end.h b/sys/src/ape/cmd/pdksh/conf-end.h
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+++ b/sys/src/ape/cmd/pdksh/conf-end.h
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+/*
+ * End of configuration stuff for PD ksh.
+ *
+ * RCSid: $Id$
+ */
+
+#if defined(EMACS) || defined(VI)
+# define EDIT
+#else
+# undef EDIT
+#endif
+
+/* Editing implies history */
+#if defined(EDIT) && !defined(HISTORY)
+# define HISTORY
+#endif /* EDIT */
+
+/*
+ * if you don't have mmap() you can't use Peter Collinson's history
+ * mechanism. If that is the case, then define EASY_HISTORY
+ */
+#if defined(HISTORY) && (!defined(COMPLEX_HISTORY) || !defined(HAVE_MMAP) || !defined(HAVE_FLOCK))
+# undef COMPLEX_HISTORY
+# define EASY_HISTORY /* sjg's trivial history file */
+#endif
+
+/* Can we safely catch sigchld and wait for processes? */
+#if (defined(HAVE_WAITPID) || defined(HAVE_WAIT3)) \
+ && (defined(POSIX_SIGNALS) || defined(BSD42_SIGNALS))
+# define JOB_SIGS
+#endif
+
+#if !defined(JOB_SIGS) || !(defined(POSIX_PGRP) || defined(BSD_PGRP))
+# undef JOBS /* if no JOB_SIGS, no job control support */
+#endif
+
+/* pdksh assumes system calls return EINTR if a signal happened (this so
+ * the signal handler doesn't have to longjmp()). I don't know if this
+ * happens (or can be made to happen) with sigset() et. al. (the bsd41 signal
+ * routines), so, the autoconf stuff checks what they do and defines
+ * SIGNALS_DONT_INTERRUPT if signals don't interrupt read().
+ * If SIGNALS_DONT_INTERRUPT isn't defined and your compiler chokes on this,
+ * delete the hash in front of the error (and file a bug report).
+ */
+#ifdef SIGNALS_DONT_INTERRUPT
+ # error pdksh needs interruptable system calls.
+#endif /* SIGNALS_DONT_INTERRUPT */
+
+#ifdef HAVE_GCC_FUNC_ATTR
+# define GCC_FUNC_ATTR(x) __attribute__((x))
+# define GCC_FUNC_ATTR2(x,y) __attribute__((x,y))
+#else
+# define GCC_FUNC_ATTR(x)
+# define GCC_FUNC_ATTR2(x,y)
+#endif /* HAVE_GCC_FUNC_ATTR */