diff -Nru gmp-6.0.0+dfsg/debian/libgmp10.symbols gmp-6.0.0+dfsg/debian/libgmp10.symbols
--- gmp-6.0.0+dfsg/debian/libgmp10.symbols	2014-05-03 07:35:13.000000000 +0000
+++ gmp-6.0.0+dfsg/debian/libgmp10.symbols	2014-05-16 05:24:21.000000000 +0000
@@ -223,9 +223,9 @@
  (arch=any-i386)__gmpn_add_nc_pentium@Base 2:5.1.1
  (arch=any-i386)__gmpn_add_nc_x86@Base 2:5.1.1
  (arch=any-amd64)__gmpn_addaddmul_1msb0@Base 0
- (arch=!arm64 !hppa !mips !mipsel !m68k !sparc !sparc64 !sh4)__gmpn_addlsh1_n@Base 0
+ (arch=!arm64 !hppa !mips !mipsel !mips64 !mips64el !m68k !sparc !sparc64 !sh4)__gmpn_addlsh1_n@Base 0
  (arch=any-i386)__gmpn_addlsh1_n_init@Base 2:5.1.1
- (arch=!arm64 !armel !armhf !hppa !mips !mipsel !m68k !powerpc !s390x !sh4 !sparc !sparc64)__gmpn_addlsh2_n@Base 0
+ (arch=!arm64 !armel !armhf !hppa !mips !mipsel !mips64 !mips64el !m68k !powerpc !s390x !sh4 !sparc !sparc64)__gmpn_addlsh2_n@Base 0
  (arch=any-i386)__gmpn_addlsh2_n_init@Base 2:5.1.1
  (arch=any-amd64)__gmpn_addlsh_n@Base 0
  __gmpn_addmul_1@Base 0
@@ -268,7 +268,7 @@
  __gmpn_brootinv@Base 2:5.1.1
  __gmpn_bsqrt@Base 2:5.1.1
  __gmpn_bsqrtinv@Base 2:5.1.1
- (arch=alpha armel armhf mips mipsel s390x sparc sparc64 sh4 any-i386)__gmpn_clz_tab@Base 0
+ (arch=alpha armel armhf mips mipsel mips64 mips64el s390x sparc sparc64 sh4 any-i386)__gmpn_clz_tab@Base 0
  __gmpn_cmp@Base 0
  __gmpn_cnd_add_n@Base 2:6.0.0
  (arch=any-i386)__gmpn_cnd_add_n_atom@Base 2:5.1.1
@@ -392,7 +392,7 @@
  __gmpn_hgcd_reduce_itch@Base 2:5.1.1
  __gmpn_hgcd_step@Base 2:5.1.1
  __gmpn_invert@Base 0
- (arch=!hppa !mips !mipsel !m68k !sparc !sparc64 !sh4 !any-i386)__gmpn_invert_limb@Base 0
+ (arch=!hppa !mips !mipsel !mips64 !mips64el !m68k !sparc !sparc64 !sh4 !any-i386)__gmpn_invert_limb@Base 0
  __gmpn_invertappr@Base 0
  __gmpn_ior_n@Base 0
  __gmpn_iorn_n@Base 0
@@ -505,7 +505,7 @@
  (arch=any-i386)__gmpn_mul_1_pentium@Base 2:5.1.1
  (arch=any-i386)__gmpn_mul_1_pentium_mmx@Base 2:5.1.1
  (arch=any-i386)__gmpn_mul_1_x86@Base 2:5.1.1
- (arch=!arm64 !armel !armhf !hppa !mips !mipsel !m68k !powerpc !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_mul_1c@Base 0
+ (arch=!arm64 !armel !armhf !hppa !mips !mipsel !mips64 !mips64el !m68k !powerpc !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_mul_1c@Base 0
  (arch=any-i386)__gmpn_mul_1c_atom_sse2@Base 2:5.1.1
  (arch=any-i386)__gmpn_mul_1c_k6@Base 2:5.1.1
  (arch=any-i386)__gmpn_mul_1c_k7@Base 2:5.1.1
@@ -569,13 +569,13 @@
  __gmpn_redc_n@Base 0
  __gmpn_remove@Base 0
  __gmpn_rootrem@Base 0
- (arch=!alpha !arm64 !armel !armhf !hppa !mips !mipsel !m68k !powerpc !sh4 !sparc !sparc64 !any-i386)__gmpn_rsblsh1_n@Base 0
- (arch=!alpha !arm64 !armel !armhf !hppa !mips !mipsel !m68k !powerpc !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsblsh2_n@Base 0
- (arch=!alpha !arm64 !armel !armhf !hppa !mips !mipsel !m68k !powerpc !ppc64 !ppc64el !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsblsh_n@Base 0
- (arch=!alpha !arm64 !hppa !mips !mipsel !m68k !powerpc !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsh1add_n@Base 0
- (arch=!alpha !arm64 !armel !armhf !hppa !mips !mipsel !m68k !powerpc !ppc64 !ppc64el !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsh1add_nc@Base 0
- (arch=!alpha !arm64 !hppa !mips !mipsel !m68k !powerpc !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsh1sub_n@Base 0
- (arch=!alpha !arm64 !armel !armhf !hppa !mips !mipsel !m68k !powerpc !ppc64 !ppc64el !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsh1sub_nc@Base 0
+ (arch=!alpha !arm64 !armel !armhf !hppa !mips !mipsel !mips64 !mips64el !m68k !powerpc !sh4 !sparc !sparc64 !any-i386)__gmpn_rsblsh1_n@Base 0
+ (arch=!alpha !arm64 !armel !armhf !hppa !mips !mipsel !mips64 !mips64el !m68k !powerpc !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsblsh2_n@Base 0
+ (arch=!alpha !arm64 !armel !armhf !hppa !mips !mipsel !mips64 !mips64el !m68k !powerpc !ppc64 !ppc64el !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsblsh_n@Base 0
+ (arch=!alpha !arm64 !hppa !mips !mipsel !mips64 !mips64el !m68k !powerpc !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsh1add_n@Base 0
+ (arch=!alpha !arm64 !armel !armhf !hppa !mips !mipsel !mips64 !mips64el !m68k !powerpc !ppc64 !ppc64el !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsh1add_nc@Base 0
+ (arch=!alpha !arm64 !hppa !mips !mipsel !mips64 !mips64el !m68k !powerpc !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsh1sub_n@Base 0
+ (arch=!alpha !arm64 !armel !armhf !hppa !mips !mipsel !mips64 !mips64el !m68k !powerpc !ppc64 !ppc64el !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_rsh1sub_nc@Base 0
  __gmpn_rshift@Base 0
  (arch=any-i386)__gmpn_rshift_atom@Base 2:5.1.1
  (arch=any-i386)__gmpn_rshift_init@Base 2:5.1.1
@@ -627,7 +627,7 @@
  (arch=any-i386)__gmpn_sqr_basecase_pentium4_sse2@Base 2:5.1.1
  (arch=any-i386)__gmpn_sqr_basecase_pentium@Base 2:5.1.1
  (arch=any-i386)__gmpn_sqr_basecase_x86@Base 2:5.1.1
- (arch=!arm64 !armel !armhf !hppa !mips !mipsel !m68k !ppc64 !ppc64el !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_sqr_diag_addlsh1@Base 2:6.0.0
+ (arch=!arm64 !armel !armhf !hppa !mips !mipsel !mips64 !mips64el !m68k !ppc64 !ppc64el !s390x !sh4 !sparc !sparc64 !any-i386)__gmpn_sqr_diag_addlsh1@Base 2:6.0.0
  __gmpn_sqrmod_bnm1@Base 0
  __gmpn_sqrmod_bnm1_next_size@Base 0
  __gmpn_sqrtrem@Base 0
@@ -653,7 +653,7 @@
  (arch=any-i386)__gmpn_sub_nc_pentium4_sse2@Base 2:5.1.1
  (arch=any-i386)__gmpn_sub_nc_pentium@Base 2:5.1.1
  (arch=any-i386)__gmpn_sub_nc_x86@Base 2:5.1.1
- (arch=!arm64 !hppa !mips !mipsel !m68k !sh4 !sparc !sparc64)__gmpn_sublsh1_n@Base 0
+ (arch=!arm64 !hppa !mips !mipsel !mips64 !mips64el !m68k !sh4 !sparc !sparc64)__gmpn_sublsh1_n@Base 0
  (arch=any-i386)__gmpn_sublsh1_n_init@Base 2:5.1.1
  (arch=alpha ppc64 ppc64el)__gmpn_sublsh2_n@Base 2:5.1.1
  __gmpn_submul_1@Base 0
@@ -707,7 +707,7 @@
  __gmpn_toom_interpolate_8pts@Base 0
  __gmpn_trialdiv@Base 0
  (arch=armel armhf hppa sparc any-i386)__gmpn_udiv_qrnnd@Base 0
- (arch=alpha hppa mips mipsel powerpc ppc64 ppc64el sparc any-i386)__gmpn_umul_ppmm@Base 0
+ (arch=alpha hppa mips mipsel mips64 mips64el powerpc ppc64 ppc64el sparc any-i386)__gmpn_umul_ppmm@Base 0
  __gmpn_xnor_n@Base 0
  __gmpn_xor_n@Base 0
  __gmpn_zero@Base 0
diff -Nru gmp-6.0.0+dfsg/debian/rules gmp-6.0.0+dfsg/debian/rules
--- gmp-6.0.0+dfsg/debian/rules	2014-05-01 01:11:34.000000000 +0000
+++ gmp-6.0.0+dfsg/debian/rules	2014-05-16 04:43:50.000000000 +0000
@@ -62,6 +62,10 @@
   confflags += ABI=x32
 endif
 
+ifneq (,$(findstring $(DEB_HOST_ARCH), mips64 mips64el))
+  confflags += ABI=64
+endif
+
 confflags_ma = $(confflags) $(confflags_build) --libdir=/usr/lib/$(DEB_HOST_MULTIARCH)
 
 CC   = $(DEB_HOST_GNU_TYPE)-gcc