mpfr:

- build with host=, target= and build=

packages/toolchain/math/mpfr/build

@@ -8,10 +8,15 @@ $SCRIPTS/build gmp
 setup_toolchain host
 
 cd $PKG_BUILD
+
 mkdir -p objdir
 cd objdir
+
 LDFLAGS="-Wl,-rpath,$ROOT/$TOOLCHAIN/lib" \
-../configure --prefix=$ROOT/$TOOLCHAIN \
+../configure --host=$HOST_NAME \
+             --build=$HOST_NAME \
+             --target=$TARGET_NAME \
+             --prefix=$ROOT/$TOOLCHAIN \
              --enable-shared \
              --with-gmp-lib="$ROOT/$TOOLCHAIN/lib" \
              --with-gmp-include="$ROOT/$TOOLCHAIN/include" \