Add build deps into build.jl (#80)

* try removing travis addons in favour of expanding build.jl

* sudo for linux?

* apt-get install

* sudo

* add-apt-repository

* update readme

* brew upgrade => brew update

Author: MikaelSlevinsky

.travis.yml

@@ -3,13 +3,6 @@ language: julia
 os:
   - linux
   - osx
-addons:
-  apt:
-    sources: ubuntu-toolchain-r-test
-    packages: ['gcc-8', 'libblas-dev', 'libopenblas-base', 'libfftw3-dev', 'libmpfr-dev']
-  homebrew:
-    packages: ['gcc@8', 'fftw', 'mpfr']
-    update: true
 julia:
   - 1.0
   - 1.1

README.md

@@ -8,20 +8,12 @@ This package provides a Julia wrapper for the [C library](https://github.com/Mik
 
 ## Installation
 
-The build script, which works on macOS and Linux systems with x86_64 processors, downloads precompiled binaries of the latest version of [FastTransforms](https://github.com/MikaelSlevinsky/FastTransforms). This library depends on `FFTW`, `MPFR`, and `OpenBLAS` (on Linux). Therefore, installation may be as straightforward as:
+The build script, which works on macOS and Linux systems with x86_64 processors, downloads precompiled binaries of the latest version of [FastTransforms](https://github.com/MikaelSlevinsky/FastTransforms). This library depends on `FFTW`, `MPFR`, and `OpenBLAS` (on Linux). Installation may be as straightforward as:
 
 ```julia
-julia> if Sys.isapple()
-           run(`brew install gcc@8 fftw mpfr`)
-       elseif Sys.islinux()
-           run(`apt-get gcc-8 libblas-dev libopenblas-base libfftw3-dev libmpfr-dev`)
-       end
-
 pkg> add FastTransforms
 
-pkg> build FastTransforms
-
-julia> using FastTransforms
+julia> using FastTransforms, LinearAlgebra
 
 ```
 

deps/build.jl

@@ -1,6 +1,8 @@
 using BinaryProvider
 
 if Sys.isapple()
+    run(`brew update`)
+    run(`brew install gcc@8 fftw mpfr`)
     const libfasttransforms = joinpath(dirname(@__DIR__), "deps", "libfasttransforms.dylib")
     GCC = BinaryProvider.detect_compiler_abi().gcc_version
     println("Building with ", GCC, ".")
@@ -21,6 +23,9 @@ if Sys.isapple()
         @warn "Please ensure you have a version of gcc from gcc-4.9 to gcc-9."
     end
 elseif Sys.islinux()
+    run(`sudo add-apt-repository ppa:ubuntu-toolchain-r/test`)
+    run(`sudo apt-get update`)
+    run(`sudo apt-get install gcc-8 libblas-dev libopenblas-base libfftw3-dev libmpfr-dev`)
     const libfasttransforms = joinpath(dirname(@__DIR__), "deps", "libfasttransforms.so")
     if arch(platform_key_abi()) != :x86_64
         @warn "FastTransforms only has compiled binaries for x86_64 architectures."