Remove gmp dependency and doc mentions

depends/packages/gmp.mk

@@ -1,30 +0,0 @@
-package=gmp
-$(package)_version=6.0.0a
-$(package)_download_path=https://gmplib.org/download/gmp
-$(package)_file_name=$(package)-$($(package)_version).tar.bz2
-$(package)_sha256_hash=7f8e9a804b9c6d07164cf754207be838ece1219425d64e28cfa3e70d5c759aaf
-$(package)_patches=arm_gmp_build_fix.patch darwin_gmp_build_fix.patch
-
-define $(package)_preprocess_cmds
-  patch -p1 < $($(package)_patch_dir)/arm_gmp_build_fix.patch && \
-  patch -p1 < $($(package)_patch_dir)/darwin_gmp_build_fix.patch
-endef
-
-define $(package)_set_vars
-  $(package)_config_opts=--disable-shared CC_FOR_BUILD=$(build_CC)
-  $(package)_config_opts_x86_64_darwin=--with-pic
-  $(package)_config_opts_x86_64_linux=--with-pic
-  $(package)_config_opts_arm_linux=--with-pic
-endef
-
-define $(package)_config_cmds
-  $($(package)_autoconf)
-endef
-
-define $(package)_build_cmds
-  $(MAKE)
-endef
-
-define $(package)_stage_cmds
-  $(MAKE) DESTDIR=$($(package)_staging_dir) install
-endef

depends/packages/packages.mk

@@ -1,4 +1,4 @@
-packages:=boost openssl gmp
+packages:=boost openssl
 native_packages := native_ccache native_comparisontool
 
 qt_native_packages = native_protobuf

depends/patches/gmp/arm_gmp_build_fix.patch

@@ -1,21 +0,0 @@
-
-# HG changeset patch
-# User Torbjorn Granlund <tege@gmplib.org>
-# Date 1396602422 -7200
-# Node ID 676e2d0f0e4dd301a7066079d2c9326c25c34a40
-# Parent  0194a75b56b21a9196626430af86c5bd9110c42d
-Conditionalise ARM asm on !__thumb__.
-
-diff -r 0194a75b56b2 -r 676e2d0f0e4d mpn/generic/div_qr_1n_pi1.c
---- a/mpn/generic/div_qr_1n_pi1.c	Thu Apr 03 23:58:51 2014 +0200
-+++ b/mpn/generic/div_qr_1n_pi1.c	Fri Apr 04 11:07:02 2014 +0200
-@@ -130,7 +130,7 @@
- 	     "%2" ((UDItype)(a0)), "r" ((UDItype)(b0)) __CLOBBER_CC)
- #endif
- 
--#if defined (__arm__) && W_TYPE_SIZE == 32
-+#if defined (__arm__) && !defined (__thumb__) && W_TYPE_SIZE == 32
- #define add_mssaaaa(m, sh, sl, ah, al, bh, bl)				\
-   __asm__ (  "adds	%2, %5, %6\n\t"					\
- 	     "adcs	%1, %3, %4\n\t"					\
-

depends/patches/gmp/darwin_gmp_build_fix.patch

@@ -1,29 +0,0 @@
-
-# HG changeset patch
-# User Torbjorn Granlund <tege@gmplib.org>
-# Date 1396470504 -7200
-# Node ID 1fab0adc5ff7d9ecddcbda96f407da58347bb49c
-# Parent  db645603dcdb41afcf78b19b551ecd5a01c3841c
-Workaround for Darwin assembler quirk.
-
-diff -r db645603dcdb -r 1fab0adc5ff7 mpn/x86_64/k8/redc_1.asm
---- a/mpn/x86_64/k8/redc_1.asm	Mon Mar 31 23:04:32 2014 +0200
-+++ b/mpn/x86_64/k8/redc_1.asm	Wed Apr 02 22:28:24 2014 +0200
-@@ -114,7 +114,7 @@
- 
- 	JUMPTABSECT
- 	ALIGN(8)
--L(tab):	JMPENT(	L(0m4), L(tab))
-+L(tab):	JMPENT(	L(0), L(tab))
- 	JMPENT(	L(1), L(tab))
- 	JMPENT(	L(2), L(tab))
- 	JMPENT(	L(3), L(tab))
-@@ -397,6 +397,7 @@
- 
- 
- 	ALIGN(16)
-+L(0):
- L(0m4):
- L(lo0):	mov	(mp,nneg,8), %rax
- 	mov	nneg, i
-

doc/build-osx.md

@@ -38,7 +38,7 @@ Instructions: Homebrew
 
 #### Install dependencies using Homebrew
 
-        brew install autoconf automake libtool boost miniupnpc openssl pkg-config protobuf qt gmp
+        brew install autoconf automake libtool boost miniupnpc openssl pkg-config protobuf qt
 
 #### Installing berkeley-db4 using Homebrew
 

doc/build-unix.md

@@ -33,7 +33,6 @@ These dependencies are required:
  ------------|------------------|----------------------
  libssl      | SSL Support      | Secure communications
  libboost    | Boost            | C++ Library
- libgmp      | secp256k1        | Arbitrary-precision arithmetic (version >= 3.1)
 
 Optional dependencies:
 
@@ -58,7 +57,7 @@ Dependency Build Instructions: Ubuntu & Debian
 ----------------------------------------------
 Build requirements:
 
-	sudo apt-get install build-essential libtool autotools-dev autoconf pkg-config libssl-dev libgmp-dev
+	sudo apt-get install build-essential libtool autotools-dev autoconf pkg-config libssl-dev
 	
 for Ubuntu 12.04 and later or Debian 7 and later libboost-all-dev has to be installed: