- use the correct path to configure

package/gmp/gmp.mk

@@ -35,7 +35,7 @@ $(GMP_TARGET_DIR)/.configured: $(GMP_DIR)/.unpacked
 		$(TARGET_CONFIGURE_OPTS) \
 		CFLAGS="$(TARGET_CFLAGS)" \
 		ac_cv_c_bigendian=$(GMP_BE) \
-		./configure \
+		$(GMP_DIR)/configure \
 		--target=$(GNU_TARGET_NAME) \
 		--host=$(GNU_TARGET_NAME) \
 		--build=$(GNU_HOST_NAME) \

package/mpfr/mpfr.mk

@@ -9,6 +9,7 @@ MPFR_SOURCE:=mpfr-$(MPFR_VERSION).tar.bz2
 MPFR_CAT:=$(BZCAT)
 MPFR_SITE:=http://www.mpfr.org/mpfr-current/
 MPFR_DIR:=$(TOOL_BUILD_DIR)/mpfr-$(MPFR_VERSION)
+MPFR_TARGET_DIR:=$(BUILD_DIR)/mpfr-$(MPFR_VERSION)
 MPFR_BINARY:=libmpfr.a
 MPFR_LIBVERSION:=1.0.1
 
@@ -34,13 +35,12 @@ ifneq ($(MPFR_PATCH),)
 endif
 	touch $(MPFR_DIR)/.unpacked
 
-MPFR_TARGET_DIR:=$(BUILD_DIR)/mpfr-$(MPFR_VERSION)
 $(MPFR_TARGET_DIR)/.configured: $(MPFR_DIR)/.unpacked $(STAGING_DIR)/lib/$(GMP_BINARY)
 	(cd $(MPFR_TARGET_DIR); rm -rf config.cache; \
 		$(TARGET_CONFIGURE_OPTS) \
 		CFLAGS="$(TARGET_CFLAGS)" \
 		ac_cv_c_bigendian=$(MPFR_BE) \
-		./configure \
+		$(MPFR_DIR)/configure \
 		--target=$(GNU_TARGET_NAME) \
 		--host=$(GNU_TARGET_NAME) \
 		--build=$(GNU_HOST_NAME) \