diff options
Diffstat (limited to 'Build/source/configure.ac')
-rw-r--r-- | Build/source/configure.ac | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Build/source/configure.ac b/Build/source/configure.ac index 5c4c6b07b8f..d0071c906a5 100644 --- a/Build/source/configure.ac +++ b/Build/source/configure.ac @@ -94,7 +94,9 @@ AC_CONFIG_FILES([Makefile]) AC_OUTPUT AS_IF([test "x$cross_compiling" = xyes], - [msg_compiling="cross-compiling on $build"], + [AS_IF([test "x$build" = x], + [AC_MSG_ERROR([when cross-compiling you must specify both --host and --build.])]) + msg_compiling="cross-compiling on $build"], [msg_compiling="compiling"]) AC_MSG_RESULT([ ** Configuration summary for $PACKAGE_STRING: |