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crypto/secp256k1: remove dependency on libgmp

Browse Source 
Turns out we actually don't need it, USE_NUM_NONE works
because we also set USE_FIELD_INV_BUILTIN.
release/1.4
Felix Lange 9 years ago
parent 6d3a924283
commit 02356b36d6
5 changed files with 15 additions and 52 deletions
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
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  1. 4
      .travis.yml
  2. 27
      Makefile
  3. 2
      README.md
  4. 25
      crypto/secp256k1/README.md
  5. 9
      crypto/secp256k1/secp256.go

4
.travis.yml
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@ -20,10 +20,6 @@ env:
global:
- secure: "U2U1AmkU4NJBgKR/uUAebQY87cNL0+1JHjnLOmmXwxYYyj5ralWb1aSuSH3qSXiT93qLBmtaUkuv9fberHVqrbAeVlztVdUsKAq7JMQH+M99iFkC9UiRMqHmtjWJ0ok4COD1sRYixxi21wb/JrMe3M1iL4QJVS61iltjHhVdM64="
sudo: false
addons:
apt:
packages:
- libgmp3-dev
notifications:
webhooks:
urls:

27
Makefile
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@ -12,7 +12,6 @@
GOBIN = build/bin
CROSSDEPS = https://gmplib.org/download/gmp/gmp-6.1.0.tar.bz2
MODE ?= default
GO ?= latest
@ -30,12 +29,12 @@ geth-linux: geth-linux-386 geth-linux-amd64 geth-linux-arm
@ls -l $(GOBIN)/geth-linux-*
geth-linux-386: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/386 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=linux/386 -v $(shell build/flags.sh) ./cmd/geth
@echo "Linux 386 cross compilation done:"
@ls -l $(GOBIN)/geth-linux-* | grep 386
geth-linux-amd64: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/amd64 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=linux/amd64 -v $(shell build/flags.sh) ./cmd/geth
@echo "Linux amd64 cross compilation done:"
@ls -l $(GOBIN)/geth-linux-* | grep amd64
@ -44,22 +43,22 @@ geth-linux-arm: geth-linux-arm-5 geth-linux-arm-6 geth-linux-arm-7 geth-linux-ar
@ls -l $(GOBIN)/geth-linux-* | grep arm
geth-linux-arm-5: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/arm-5 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=linux/arm-5 -v $(shell build/flags.sh) ./cmd/geth
@echo "Linux ARMv5 cross compilation done:"
@ls -l $(GOBIN)/geth-linux-* | grep arm-5
geth-linux-arm-6: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/arm-6 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=linux/arm-6 -v $(shell build/flags.sh) ./cmd/geth
@echo "Linux ARMv6 cross compilation done:"
@ls -l $(GOBIN)/geth-linux-* | grep arm-6
geth-linux-arm-7: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/arm-7 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=linux/arm-7 -v $(shell build/flags.sh) ./cmd/geth
@echo "Linux ARMv7 cross compilation done:"
@ls -l $(GOBIN)/geth-linux-* | grep arm-7
geth-linux-arm64: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=linux/arm64 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=linux/arm64 -v $(shell build/flags.sh) ./cmd/geth
@echo "Linux ARM64 cross compilation done:"
@ls -l $(GOBIN)/geth-linux-* | grep arm64
@ -68,12 +67,12 @@ geth-darwin: geth-darwin-386 geth-darwin-amd64
@ls -l $(GOBIN)/geth-darwin-*
geth-darwin-386: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=darwin/386 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=darwin/386 -v $(shell build/flags.sh) ./cmd/geth
@echo "Darwin 386 cross compilation done:"
@ls -l $(GOBIN)/geth-darwin-* | grep 386
geth-darwin-amd64: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=darwin/amd64 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=darwin/amd64 -v $(shell build/flags.sh) ./cmd/geth
@echo "Darwin amd64 cross compilation done:"
@ls -l $(GOBIN)/geth-darwin-* | grep amd64
@ -82,17 +81,17 @@ geth-windows: geth-windows-386 geth-windows-amd64
@ls -l $(GOBIN)/geth-windows-*
geth-windows-386: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=windows/386 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=windows/386 -v $(shell build/flags.sh) ./cmd/geth
@echo "Windows 386 cross compilation done:"
@ls -l $(GOBIN)/geth-windows-* | grep 386
geth-windows-amd64: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=windows/amd64 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=windows/amd64 -v $(shell build/flags.sh) ./cmd/geth
@echo "Windows amd64 cross compilation done:"
@ls -l $(GOBIN)/geth-windows-* | grep amd64
geth-android: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --targets=android/* -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=android/* -v $(shell build/flags.sh) ./cmd/geth
@echo "Android cross compilation done:"
@ls -l $(GOBIN)/geth-android-*
@ -101,12 +100,12 @@ geth-ios: geth-ios-arm-7 geth-ios-arm64
@ls -l $(GOBIN)/geth-ios-*
geth-ios-arm-7: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --depsargs=--disable-assembly --targets=ios/arm-7 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=ios/arm-7 -v $(shell build/flags.sh) ./cmd/geth
@echo "iOS ARMv7 cross compilation done:"
@ls -l $(GOBIN)/geth-ios-* | grep arm-7
geth-ios-arm64: xgo
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --deps=$(CROSSDEPS) --depsargs=--disable-assembly --targets=ios-7.0/arm64 -v $(shell build/flags.sh) ./cmd/geth
build/env.sh $(GOBIN)/xgo --go=$(GO) --buildmode=$(MODE) --dest=$(GOBIN) --targets=ios-7.0/arm64 -v $(shell build/flags.sh) ./cmd/geth
@echo "iOS ARM64 cross compilation done:"
@ls -l $(GOBIN)/geth-ios-* | grep arm64

2
README.md
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@ -30,7 +30,7 @@ For prerequisites and detailed build instructions please read the
[Installation Instructions](https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum)
on the wiki.
Building geth requires two external dependencies, Go and GMP.
Building geth requires both a Go and a C compiler.
You can install them using your favourite package manager.
Once the dependencies are installed, run

25
crypto/secp256k1/README.md
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@ -1,25 +0,0 @@
secp256k1-go
=======
golang secp256k1 library
Implements cryptographic operations for the secp256k1 ECDSA curve used by Bitcoin.
Installing
===
GMP library headers are required to build. On Debian-based systems, the package is called `libgmp-dev`.
```
sudo apt-get install libgmp-dev
```
Now compiles with cgo!
Test
===
To run tests do
```
go tests
```

9
crypto/secp256k1/secp256.go
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@ -21,14 +21,7 @@ package secp256k1
/*
#cgo CFLAGS: -I./libsecp256k1
#cgo CFLAGS: -I./libsecp256k1/src/
#cgo darwin CFLAGS: -I/usr/local/include
#cgo freebsd CFLAGS: -I/usr/local/include
#cgo linux,arm CFLAGS: -I/usr/local/arm/include
#cgo LDFLAGS: -lgmp
#cgo darwin LDFLAGS: -L/usr/local/lib
#cgo freebsd LDFLAGS: -L/usr/local/lib
#cgo linux,arm LDFLAGS: -L/usr/local/arm/lib
#define USE_NUM_GMP
#define USE_NUM_NONE
#define USE_FIELD_10X26
#define USE_FIELD_INV_BUILTIN
#define USE_SCALAR_8X32

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