A few tweaks required to use Readline as part of the DJGPP port of GDB.

[deliverable/binutils-gdb.git] / readline / configure.in

diff --git a/readline/configure.in b/readline/configure.in
index f977feca3610fbceace6f635652c32bbf3824394..780b4df628481072eb64ae637ccffc6591c16234 100644 (file)
--- a/readline/configure.in
+++ b/readline/configure.in
@@ -13,7 +13,7 @@ AC_CONFIG_HEADER(config.h)
 dnl make sure we are using a recent autoconf version
 AC_PREREQ(2.10)
 
-AC_CONFIG_AUX_DIR(./support)
+dnl AC_CONFIG_AUX_DIR(./support)
 
 AC_CANONICAL_HOST
 
@@ -35,6 +35,44 @@ AC_PROG_CC
 dnl AC_AIX
 AC_MINIX
 
+dnl BEGIN changes for CYGNUS cross-building for Cygwin
+ 
+dnl load up the cross-building cache file -- add more cases and cache
+dnl files as necessary
+if test "x$cross_compiling" = "xyes"; then
+    case "${host}" in
+    *-cygwin*)
+       cross_cache=${srcdir}/cross-build/cygwin.cache
+       if test -r "${cross_cache}"; then
+           echo "loading cross-build cache file ${cross_cache}"
+           . ${cross_cache}
+       fi
+       LOCAL_CFLAGS="$LOCAL_CFLAGS -I${srcdir}/../libtermcap"
+       unset cross_cache
+       ;;
+    *)  echo "configure: cross-compiling for a non-cygwin target is not supported" >&2
+       ;;
+    esac
+fi
+ 
+if test "x$cross_compiling" = "xyes"; then
+  CROSS_COMPILING_FLAG=-DCROSS_COMPILING
+else
+  CROSS_COMPILING_FLAG=
+fi
+AC_SUBST(CROSS_COMPILING_FLAG)
+ 
+if test -z "$CC_FOR_BUILD"; then
+    if test "x$cross_compiling" = "xno"; then
+        CC_FOR_BUILD='$(CC)'
+    else
+        CC_FOR_BUILD=gcc
+    fi
+fi
+AC_SUBST(CC_FOR_BUILD)
+ 
+dnl END changes for CYGNUS cross-building for Cygwin
+
 # If we're using gcc and the user hasn't specified CFLAGS, add -O to CFLAGS.
 test -n "$GCC" && test -n "$auto_cflags" && CFLAGS="$CFLAGS -O"