Fix FTCBFS: Pass --cross-prefix to ./configure

Closes: #945200

diff --git a/debian/rules b/debian/rules
index 58e060bb183c465ef275182ac09e564659048de2..b7272dc2a18e6b721d082f3c090a7ca21f18f6e3 100755 (executable)
--- a/debian/rules
+++ b/debian/rules
@@ -8,6 +8,10 @@ ifneq (,$(filter noopt,$(DEB_BUILD_OPTIONS)))
 DEB_CONFIGURE_EXTRA_FLAGS = --disable-opt
 endif
 
+ifneq ($(DEB_BUILD_ARCH),$(DEB_HOST_ARCH))
+DEB_EXTRA_CONFIGURE_FLAGS += --cross-prefix=${DEB_HOST_GNU_TYPE}-
+endif
+
 %:
        dh $@