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[release/1.3.4] crypto/secp256k1: remove dependency on libgmp

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Turns out we actually don't need it, USE_NUM_NONE works
because we also set USE_FIELD_INV_BUILTIN.

Conflicts:
	Makefile
	crypto/secp256k1/secp256.go
This commit is contained in:
Felix Lange
2015-12-03 20:04:39 +01:00
committed by Jeffrey Wilcke
parent a4f4846fff
commit c2df9d356a
5 changed files with 49 additions and 60 deletions
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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
```

10
crypto/secp256k1/secp256.go
View File

@ -20,14 +20,8 @@ package secp256k1
/*
#cgo CFLAGS: -I./libsecp256k1
#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
#cgo CFLAGS: -I./libsecp256k1/src/
#define USE_NUM_NONE
#define USE_FIELD_10X26
#define USE_FIELD_INV_BUILTIN
#define USE_SCALAR_8X32