Port better to QNX

Problem reported by Elad Lahav on emacs-devel.
* configure.ac: On QNX, default CC to qcc (a GCC wrapper),
and default LDFLAGS to -N2MB so that the initial stack size
is not too small.  Also, fix misspelling of ‘qnxnto’.

diff --git a/configure.ac b/configure.ac
index f1ca7cc81b7de9deee9e090023041d465cd002ec..2df5679f1d5f1637cb12a53bd235656e4a09e4db 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -702,7 +702,9 @@ case "${canonical}" in
   ## QNX Neutrino
   *-nto-qnx* )
     opsys=qnxnto
+    test -z "$CC" && CC=qcc
     CFLAGS="$CFLAGS -D__NO_EXT_QNX"
+    LDFLAGS="-N2MB $LDFLAGS"
   ;;
 
   ## Intel 386 machines where we don't care about the manufacturer.
@@ -2218,7 +2220,7 @@ test "$CANNOT_DUMP" = yes ||
 case "$opsys" in
   ## darwin ld insists on the use of malloc routines in the System framework.
   darwin | mingw32 | nacl | sol2-10) ;;
-  cygwin | qnxto | freebsd)
+  cygwin | qnxnto | freebsd)
          hybrid_malloc=yes
           system_malloc= ;;
   *) test "$ac_cv_func_sbrk" = yes && system_malloc=$emacs_cv_sanitize_address;;