perl 5.003: hints/bsdos.sh

Distinguish between 2.0.x and 2.1.x, and use dynamic linking
in the latter

diff --git a/hints/bsdos.sh b/hints/bsdos.sh
index 2c858a6..aedf4b6 100644 (file)
--- a/hints/bsdos.sh
+++ b/hints/bsdos.sh
@@ -49,27 +49,7 @@ case "$osvers" in
        '')     cc='gcc2' ;;
        esac
        ;;
-2.*)
-       case "$osvers" in
-       2.1*)   # dlopen() is supported in 2.1
-               usedl='true'
-               d_dlopen='define'
-               cccdlflags='none'
-               # pre-link against the shared C library
-               lddlflags='-r -lc_s.2.1.0'
-
-               # BSD/OS 2.1 doesn't (yet) support `true' dynamic linking
-               # so we `preload' the shared libraries by linking
-               # against them; even though we don't pull in any symbols.
-               libswanted="Xpm Xaw Xmu Xt SM ICE Xext X11 $libswanted"
-               libswanted="rpc curses termcap $libswanted"
-
-               # Use the system malloc or else you'll have dualing mallocs!
-               d_mymalloc='undef'
-               usemymalloc='n'
-               ;;
-       esac
-
+2.0*)
        # default to GCC 2.X w/shared libraries
        case "$cc" in
        '')     cc='shlicc2' ;;
@@ -88,4 +68,32 @@ case "$osvers" in
        d_setrgid='undef'
        d_setruid='undef'
        ;;
+2.1*)
+       # Use 2.1's shlicc2 for dynamic linking
+       # Since cc -o is linking, use it for compiling too.
+       # I'm not sure whether Configure is careful about
+       # distinguishing between the two.
+
+       case "$cc" in
+       '')     cc='shlicc2'
+               cccdlflags=' ' ;; # Avoid the dreaded -fpic
+       esac
+
+       # Link with shared libraries in 2.1
+       # Turns out that shlicc2 will automatically use the
+       # shared libs, so don't explicitly specify -lc_s.2.1.*
+       case "$ld" in
+       '')     ld='shlicc2'
+               lddlflags='-r' ;; # this one is necessary
+       esac
+
+       # setre?[ug]id() have been replaced by the _POSIX_SAVED_IDS  stuff
+       # in 4.4BSD-based systems (including BSD/OS 2.0 and later).
+       # See http://www.bsdi.com/bsdi-man?setuid(2)
+       # This stuff may or may not be right, but it works.
+       d_setregid='undef'
+       d_setreuid='undef'
+       d_setrgid='undef'
+       d_setruid='undef'
+       ;;
 esac