expand gcc versions, try apt/homebrew addons with gcc@8

why gcc-8? I think that's what's current in julia

Author: MikaelSlevinsky

.travis.yml

@@ -3,6 +3,13 @@ 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

Project.toml

@@ -4,6 +4,7 @@ version = "0.5.0"
 
 [deps]
 AbstractFFTs = "621f4979-c628-5d54-868e-fcf4e3e8185c"
+BinaryProvider = "b99e7846-7c00-51b0-8f62-c81ae34c0232"
 DSP = "717857b8-e6f2-59f4-9121-6e50c889abd2"
 FFTW = "7a1cc6ca-52ef-59f5-83cd-3a7055c09341"
 Libdl = "8f399da3-3557-5675-b5ff-fb832c97cbdb"

deps/build.jl

@@ -1,9 +1,49 @@
+using BinaryProvider
+
 if Sys.isapple()
     const libfasttransforms = joinpath(dirname(@__DIR__), "deps", "libfasttransforms.dylib")
-    download("https://github.com/MikaelSlevinsky/FastTransforms/releases/download/v0.2.3/libfasttransforms.dylib", libfasttransforms)
+    GCC = BinaryProvider.detect_compiler_abi().gcc_version
+    println("Building with ", GCC, ".")
+    const release = "https://github.com/MikaelSlevinsky/FastTransforms/releases/download/v0.2.5/libfasttransforms.v0.2.5"
+    if GCC == :gcc4
+        download(release*".gcc-4.9.dylib", libfasttransforms)
+    elseif GCC == :gcc5
+        download(release*".gcc-5.dylib", libfasttransforms)
+    elseif GCC == :gcc6
+        download(release*".gcc-6.dylib", libfasttransforms)
+    elseif GCC == :gcc7
+        download(release*".gcc-7.dylib", libfasttransforms)
+    elseif GCC == :gcc8
+        download(release*".gcc-8.dylib", libfasttransforms)
+    elseif GCC == :gcc9
+        download(release*".gcc-9.dylib", libfasttransforms)
+    else
+        @warn "Please ensure you have a version of gcc from gcc-4.9 to gcc-9."
+    end
 elseif Sys.islinux()
     const libfasttransforms = joinpath(dirname(@__DIR__), "deps", "libfasttransforms.so")
-    download("https://github.com/MikaelSlevinsky/FastTransforms/releases/download/v0.2.3/libfasttransforms.so", libfasttransforms)
+    if arch(platform_key_abi()) != :x86_64
+        @warn "FastTransforms only has compiled binaries for x86_64 architectures."
+    else
+        GCC = BinaryProvider.detect_compiler_abi().gcc_version
+        println("Building with ", GCC, ".")
+        const release = "https://github.com/MikaelSlevinsky/FastTransforms/releases/download/v0.2.5/libfasttransforms.v0.2.5"
+        if GCC == :gcc4
+            download(release*".gcc-4.9.so", libfasttransforms)
+        elseif GCC == :gcc5
+            download(release*".gcc-5.so", libfasttransforms)
+        elseif GCC == :gcc6
+            download(release*".gcc-6.so", libfasttransforms)
+        elseif GCC == :gcc7
+            download(release*".gcc-7.so", libfasttransforms)
+        elseif GCC == :gcc8
+            download(release*".gcc-8.so", libfasttransforms)
+        elseif GCC == :gcc9
+            download(release*".gcc-9.so", libfasttransforms)
+        else
+            @warn "Please ensure you have a version of gcc from gcc-4.9 to gcc-9."
+        end
+    end
 else
     @warn "FastTransforms is not properly installed."
 end