* acx.m4 (ACX_CHECK_INSTALLED_TARGET_TOOL): Fixup logic for cross

	    builds.

	    * acx.m4 (NCN_STRICT_CHECK_TARGET_TOOLS): Fix incremental builds.
	    (ACX_HAVE_GCC_FOR_TARGET): Likewise.

1 files changed, 50 insertions, 20 deletions

diff --git a/configure b/configure
index 5023f0006..13f1960e4 100755
--- a/configure
+++ b/configure
@@ -7878,6 +7878,8 @@ if test -z "$ac_cv_prog_CC_FOR_TARGET" ; then
   else
     CC_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  CC_FOR_TARGET="$ac_cv_prog_CC_FOR_TARGET"
 fi
 
 
@@ -8031,6 +8033,8 @@ if test -z "$ac_cv_prog_CXX_FOR_TARGET" ; then
   else
     CXX_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  CXX_FOR_TARGET="$ac_cv_prog_CXX_FOR_TARGET"
 fi
 
 
@@ -8179,6 +8183,8 @@ fi
 
 if test -z "$ac_cv_prog_GCC_FOR_TARGET" ; then
   GCC_FOR_TARGET="${CC_FOR_TARGET}"
+else
+  GCC_FOR_TARGET="$ac_cv_prog_GCC_FOR_TARGET"
 fi
 
 
@@ -8332,6 +8338,8 @@ if test -z "$ac_cv_prog_GCJ_FOR_TARGET" ; then
   else
     GCJ_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  GCJ_FOR_TARGET="$ac_cv_prog_GCJ_FOR_TARGET"
 fi
 
 
@@ -8485,6 +8493,8 @@ if test -z "$ac_cv_prog_GFORTRAN_FOR_TARGET" ; then
   else
     GFORTRAN_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  GFORTRAN_FOR_TARGET="$ac_cv_prog_GFORTRAN_FOR_TARGET"
 fi
 
 
@@ -8520,8 +8530,8 @@ echo "${ECHO_T}no" >&6
     fi
   elif test $build != $host && test $have_gcc_for_target = yes; then
     AR_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=ar`
-    test $AR_FOR_TARGET=ar && AR_FOR_TARGET=
-    ac_cv_path_AR_FOR_TARGET=$AR_FOR_TARGET
+    test $AR_FOR_TARGET = ar && AR_FOR_TARGET=
+    test -n "$AR_FOR_TARGET" && ac_cv_path_AR_FOR_TARGET=$AR_FOR_TARGET
   fi
 fi
 if test -z "$ac_cv_path_AR_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
@@ -8717,6 +8727,8 @@ if test -z "$ac_cv_prog_AR_FOR_TARGET" ; then
   else
     AR_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  AR_FOR_TARGET="$ac_cv_prog_AR_FOR_TARGET"
 fi
 
 else
@@ -8741,8 +8753,8 @@ echo "${ECHO_T}no" >&6
     fi
   elif test $build != $host && test $have_gcc_for_target = yes; then
     AS_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=as`
-    test $AS_FOR_TARGET=as && AS_FOR_TARGET=
-    ac_cv_path_AS_FOR_TARGET=$AS_FOR_TARGET
+    test $AS_FOR_TARGET = as && AS_FOR_TARGET=
+    test -n "$AS_FOR_TARGET" && ac_cv_path_AS_FOR_TARGET=$AS_FOR_TARGET
   fi
 fi
 if test -z "$ac_cv_path_AS_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
@@ -8938,6 +8950,8 @@ if test -z "$ac_cv_prog_AS_FOR_TARGET" ; then
   else
     AS_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  AS_FOR_TARGET="$ac_cv_prog_AS_FOR_TARGET"
 fi
 
 else
@@ -8962,8 +8976,8 @@ echo "${ECHO_T}no" >&6
     fi
   elif test $build != $host && test $have_gcc_for_target = yes; then
     DLLTOOL_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=dlltool`
-    test $DLLTOOL_FOR_TARGET=dlltool && DLLTOOL_FOR_TARGET=
-    ac_cv_path_DLLTOOL_FOR_TARGET=$DLLTOOL_FOR_TARGET
+    test $DLLTOOL_FOR_TARGET = dlltool && DLLTOOL_FOR_TARGET=
+    test -n "$DLLTOOL_FOR_TARGET" && ac_cv_path_DLLTOOL_FOR_TARGET=$DLLTOOL_FOR_TARGET
   fi
 fi
 if test -z "$ac_cv_path_DLLTOOL_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
@@ -9159,6 +9173,8 @@ if test -z "$ac_cv_prog_DLLTOOL_FOR_TARGET" ; then
   else
     DLLTOOL_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  DLLTOOL_FOR_TARGET="$ac_cv_prog_DLLTOOL_FOR_TARGET"
 fi
 
 else
@@ -9183,8 +9199,8 @@ echo "${ECHO_T}no" >&6
     fi
   elif test $build != $host && test $have_gcc_for_target = yes; then
     LD_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=ld`
-    test $LD_FOR_TARGET=ld && LD_FOR_TARGET=
-    ac_cv_path_LD_FOR_TARGET=$LD_FOR_TARGET
+    test $LD_FOR_TARGET = ld && LD_FOR_TARGET=
+    test -n "$LD_FOR_TARGET" && ac_cv_path_LD_FOR_TARGET=$LD_FOR_TARGET
   fi
 fi
 if test -z "$ac_cv_path_LD_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
@@ -9380,6 +9396,8 @@ if test -z "$ac_cv_prog_LD_FOR_TARGET" ; then
   else
     LD_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  LD_FOR_TARGET="$ac_cv_prog_LD_FOR_TARGET"
 fi
 
 else
@@ -9404,8 +9422,8 @@ echo "${ECHO_T}no" >&6
     fi
   elif test $build != $host && test $have_gcc_for_target = yes; then
     LIPO_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=lipo`
-    test $LIPO_FOR_TARGET=lipo && LIPO_FOR_TARGET=
-    ac_cv_path_LIPO_FOR_TARGET=$LIPO_FOR_TARGET
+    test $LIPO_FOR_TARGET = lipo && LIPO_FOR_TARGET=
+    test -n "$LIPO_FOR_TARGET" && ac_cv_path_LIPO_FOR_TARGET=$LIPO_FOR_TARGET
   fi
 fi
 if test -z "$ac_cv_path_LIPO_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
@@ -9601,6 +9619,8 @@ if test -z "$ac_cv_prog_LIPO_FOR_TARGET" ; then
   else
     LIPO_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  LIPO_FOR_TARGET="$ac_cv_prog_LIPO_FOR_TARGET"
 fi
 
 else
@@ -9625,8 +9645,8 @@ echo "${ECHO_T}no" >&6
     fi
   elif test $build != $host && test $have_gcc_for_target = yes; then
     NM_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=nm`
-    test $NM_FOR_TARGET=nm && NM_FOR_TARGET=
-    ac_cv_path_NM_FOR_TARGET=$NM_FOR_TARGET
+    test $NM_FOR_TARGET = nm && NM_FOR_TARGET=
+    test -n "$NM_FOR_TARGET" && ac_cv_path_NM_FOR_TARGET=$NM_FOR_TARGET
   fi
 fi
 if test -z "$ac_cv_path_NM_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
@@ -9822,6 +9842,8 @@ if test -z "$ac_cv_prog_NM_FOR_TARGET" ; then
   else
     NM_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  NM_FOR_TARGET="$ac_cv_prog_NM_FOR_TARGET"
 fi
 
 else
@@ -9846,8 +9868,8 @@ echo "${ECHO_T}no" >&6
     fi
   elif test $build != $host && test $have_gcc_for_target = yes; then
     OBJDUMP_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=objdump`
-    test $OBJDUMP_FOR_TARGET=objdump && OBJDUMP_FOR_TARGET=
-    ac_cv_path_OBJDUMP_FOR_TARGET=$OBJDUMP_FOR_TARGET
+    test $OBJDUMP_FOR_TARGET = objdump && OBJDUMP_FOR_TARGET=
+    test -n "$OBJDUMP_FOR_TARGET" && ac_cv_path_OBJDUMP_FOR_TARGET=$OBJDUMP_FOR_TARGET
   fi
 fi
 if test -z "$ac_cv_path_OBJDUMP_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
@@ -10043,6 +10065,8 @@ if test -z "$ac_cv_prog_OBJDUMP_FOR_TARGET" ; then
   else
     OBJDUMP_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  OBJDUMP_FOR_TARGET="$ac_cv_prog_OBJDUMP_FOR_TARGET"
 fi
 
 else
@@ -10067,8 +10091,8 @@ echo "${ECHO_T}no" >&6
     fi
   elif test $build != $host && test $have_gcc_for_target = yes; then
     RANLIB_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=ranlib`
-    test $RANLIB_FOR_TARGET=ranlib && RANLIB_FOR_TARGET=
-    ac_cv_path_RANLIB_FOR_TARGET=$RANLIB_FOR_TARGET
+    test $RANLIB_FOR_TARGET = ranlib && RANLIB_FOR_TARGET=
+    test -n "$RANLIB_FOR_TARGET" && ac_cv_path_RANLIB_FOR_TARGET=$RANLIB_FOR_TARGET
   fi
 fi
 if test -z "$ac_cv_path_RANLIB_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
@@ -10264,6 +10288,8 @@ if test -z "$ac_cv_prog_RANLIB_FOR_TARGET" ; then
   else
     RANLIB_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  RANLIB_FOR_TARGET="$ac_cv_prog_RANLIB_FOR_TARGET"
 fi
 
 else
@@ -10288,8 +10314,8 @@ echo "${ECHO_T}no" >&6
     fi
   elif test $build != $host && test $have_gcc_for_target = yes; then
     STRIP_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=strip`
-    test $STRIP_FOR_TARGET=strip && STRIP_FOR_TARGET=
-    ac_cv_path_STRIP_FOR_TARGET=$STRIP_FOR_TARGET
+    test $STRIP_FOR_TARGET = strip && STRIP_FOR_TARGET=
+    test -n "$STRIP_FOR_TARGET" && ac_cv_path_STRIP_FOR_TARGET=$STRIP_FOR_TARGET
   fi
 fi
 if test -z "$ac_cv_path_STRIP_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
@@ -10485,6 +10511,8 @@ if test -z "$ac_cv_prog_STRIP_FOR_TARGET" ; then
   else
     STRIP_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  STRIP_FOR_TARGET="$ac_cv_prog_STRIP_FOR_TARGET"
 fi
 
 else
@@ -10509,8 +10537,8 @@ echo "${ECHO_T}no" >&6
     fi
   elif test $build != $host && test $have_gcc_for_target = yes; then
     WINDRES_FOR_TARGET=`$GCC_FOR_TARGET --print-prog-name=windres`
-    test $WINDRES_FOR_TARGET=windres && WINDRES_FOR_TARGET=
-    ac_cv_path_WINDRES_FOR_TARGET=$WINDRES_FOR_TARGET
+    test $WINDRES_FOR_TARGET = windres && WINDRES_FOR_TARGET=
+    test -n "$WINDRES_FOR_TARGET" && ac_cv_path_WINDRES_FOR_TARGET=$WINDRES_FOR_TARGET
   fi
 fi
 if test -z "$ac_cv_path_WINDRES_FOR_TARGET" && test -n "$gcc_cv_tool_dirs"; then
@@ -10706,6 +10734,8 @@ if test -z "$ac_cv_prog_WINDRES_FOR_TARGET" ; then
   else
     WINDRES_FOR_TARGET="${ncn_target_tool_prefix}$2"
   fi
+else
+  WINDRES_FOR_TARGET="$ac_cv_prog_WINDRES_FOR_TARGET"
 fi
 
 else