stubdom: make GMP aware that it's being cross-compiled

Append --build and --host flags to GMP's configure script so that it
knows it is being cross-compiled.

This should fix the issue that GMP doesn't compile with gcc 6, because
configure script won't try to test the host environment anymore.

Signed-off-by: Wei Liu <wei.liu2@citrix.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Acked-by: Ian Jackson <ian.jackson@eu.citrix.com>
Acked-by: Samuel Thibault <samuel.thibault@ens-lyon.org>
Release-acked-by: Wei Liu <wei.liu2@citrix.com>
(cherry picked from commit 668e4edf92fcf7cb929eed221059a3eeb02722c3)

diff --git a/stubdom/Makefile b/stubdom/Makefile
index 4d52ea274ddc542e25548c19b7d4a296117e20a0..761258718bec9af27cd519beae27c0c3f9e24cf7 100644 (file)
--- a/stubdom/Makefile
+++ b/stubdom/Makefile
@@ -171,7 +171,7 @@ gmp-$(XEN_TARGET_ARCH): gmp-$(GMP_VERSION).tar.bz2 $(NEWLIB_STAMPFILE)
        rm $@ -rf || :
        mv gmp-$(GMP_VERSION) $@
        #patch -d $@ -p0 < gmp.patch
-       cd $@; CPPFLAGS="-isystem $(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf/include $(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" CC=$(CC) $(GMPEXT) ./configure --disable-shared --enable-static --disable-fft --without-readline --prefix=$(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf
+       cd $@; CPPFLAGS="-isystem $(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf/include $(TARGET_CPPFLAGS)" CFLAGS="$(TARGET_CFLAGS)" CC=$(CC) $(GMPEXT) ./configure --disable-shared --enable-static --disable-fft --without-readline --prefix=$(CROSS_PREFIX)/$(GNU_TARGET_ARCH)-xen-elf --build=`gcc -dumpmachine` --host=$(GNU_TARGET_ARCH)-xen-elf
        sed -i 's/#define HAVE_OBSTACK_VPRINTF 1/\/\/#define HAVE_OBSTACK_VPRINTF 1/' $@/config.h
        touch $@