Add initial support for Minix3

Patch by Sevan Janiyan

Include a hints file for Minix, derived from the NetBSD one but stripped
back to remove most of the legacy parts.

diff --git a/Configure b/Configure
index 127583c..a7fe7b0 100755 (executable)
--- a/Configure
+++ b/Configure
@@ -3499,6 +3499,9 @@ EOM
                        ;;
                MiNT)   osname=mint
                        ;;
+               minix)  osname=minix
+                       osvers=`$uname -r`
+                       ;;
                netbsd*) osname=netbsd
                        osvers="$3"
                        ;;
@@ -8803,7 +8806,7 @@ if "$useshrplib"; then
        solaris)
                xxx="-R $shrpdir"
                ;;
-       freebsd|mirbsd|netbsd|openbsd|interix|dragonfly|bitrig)
+       freebsd|minix|mirbsd|netbsd|openbsd|interix|dragonfly|bitrig)
                xxx="-Wl,-R$shrpdir"
                ;;
        bsdos|linux|irix*|dec_osf|gnu*|haiku)

diff --git a/hints/minix.sh b/hints/minix.sh
new file mode 100644 (file)
index 0000000..d5c0a39
--- /dev/null
+++ b/hints/minix.sh
@@ -0,0 +1,147 @@
+# hints/minix.sh
+#
+# Please check with packages@netbsd.org before making modifications
+# to this file.
+
+case "$archname" in
+'')
+    archname=`uname -m`-${osname}
+    ;;
+esac
+
+# NetBSD keeps dynamic loading dl*() functions in /usr/lib/crt0.o,
+# so Configure doesn't find them (unless you abandon the nm scan).
+#
+case "$osvers" in
+*)
+       if test -f /usr/libexec/ld.elf_so; then
+               # ELF
+               d_dlopen=$define
+               d_dlerror=$define
+               cccdlflags="-DPIC -fPIC $cccdlflags"
+               lddlflags="-shared $lddlflags"
+               rpathflag="-Wl,-rpath,"
+               ccdlflags="-Wl,-E $ccdlflags"
+       elif test -f /usr/libexec/ld.so; then
+               # a.out
+               d_dlopen=$define
+               d_dlerror=$define
+               cccdlflags="-DPIC -fPIC $cccdlflags"
+               lddlflags="-Bshareable $lddlflags"
+               rpathflag="-R"
+       else
+               d_dlopen=$undef
+               rpathflag=
+       fi
+       d_getprotoent_r="$undef"
+       d_getprotobyname_r="$undef"
+       d_getprotobynumber_r="$undef"
+       d_setprotoent_r="$undef"
+       d_endprotoent_r="$undef"
+       d_getservent_r="$undef"
+       d_getservbyname_r="$undef"
+       d_getservbyport_r="$undef"
+       d_setservent_r="$undef"
+       d_endservent_r="$undef"
+       d_gethostbyname_r="$undef"
+       d_gethostbyaddr2_r="$undef"
+       d_gethostbyaddr_r="$undef"
+       d_sethostent_r="$undef"
+       d_gethostent_r="$undef"
+       d_endhostent_r="$undef"
+       d_getprotoent_r_proto="0"
+       d_getprotobyname_r_proto="0"
+       d_getprotobynumber_r_proto="0"
+       d_setprotoent_r_proto="0"
+       d_endprotoent_r_proto="0"
+       d_getservent_r_proto="0"
+       d_getservbyname_r_proto="0"
+       d_getservbyport_r_proto="0"
+       d_setservent_r_proto="0"
+       d_endservent_r_proto="0"
+       d_gethostbyname_r_proto="0"
+       d_gethostbyaddr2_r_proto="0"
+       d_gethostbyaddr_r_proto="0"
+       d_sethostent_r_proto="0"
+       d_endhostent_r_proto="0"
+       d_gethostent_r_proto="0"
+       ;;
+esac
+
+# there's no problem with vfork.
+usevfork=true
+
+# This is there but in machine/ieeefp_h.
+ieeefp_h="define"
+
+# This script UU/usethreads.cbu will get 'called-back' by Configure
+# after it has prompted the user for whether to use threads.
+cat > UU/usethreads.cbu <<'EOCBU'
+case "$usethreads" in
+$define|true|[yY]*)
+       lpthread=
+       for xxx in pthread; do
+               for yyy in $loclibpth $plibpth $glibpth dummy; do
+                       zzz=$yyy/lib$xxx.a
+                       if test -f "$zzz"; then
+                               lpthread=$xxx
+                               break;
+                       fi
+                       zzz=$yyy/lib$xxx.so
+                       if test -f "$zzz"; then
+                               lpthread=$xxx
+                               break;
+                       fi
+                       zzz=`ls $yyy/lib$xxx.so.* 2>/dev/null`
+                       if test "X$zzz" != X; then
+                               lpthread=$xxx
+                               break;
+                       fi
+               done
+               if test "X$lpthread" != X; then
+                       break;
+               fi
+       done
+       if test "X$lpthread" != X; then
+               # Add -lpthread.
+               libswanted="$libswanted $lpthread"
+               # There is no libc_r as of NetBSD 1.5.2, so no c -> c_r.
+               # This will be revisited when NetBSD gains a native pthreads
+               # implementation.
+       else
+               echo "$0: No POSIX threads library (-lpthread) found.  " \
+                    "You may want to install GNU pth.  Aborting." >&4
+               exit 1
+       fi
+       unset lpthread
+esac
+EOCBU
+
+# Set sensible defaults for Minix: look for local software in
+# /usr/local, plus the build prefix, which might or might not be
+# /usr/pkg.
+#
+loclibpth="/usr/local/lib ${prefix}/lib"
+locincpth="/usr/local/include ${prefix}/include"
+
+case "$rpathflag" in
+'')
+       ldflags=
+       ;;
+*)
+       ldflags=
+       for yyy in $loclibpth; do
+               ldflags="$ldflags $rpathflag$yyy"
+       done
+       ;;
+esac
+
+# malloc wrap works
+case "$usemallocwrap" in
+'') usemallocwrap='define' ;;
+esac
+
+# don't use perl malloc by default
+case "$usemymalloc" in
+'') usemymalloc=n ;;
+esac