Travis pricing change, keep only ARM64 and PPC64

.travis.yml

@@ -8,18 +8,15 @@ cache:
 
 matrix:
   include:
+    # Travis pricing change https://blog.travis-ci.com/2020-11-02-travis-ci-new-billing
+    # Keep only ARM64 and PPC
+
     # Constantine only works with Nim devel
     # Build and test using both gcc and clang
     # Build and test on both x86-64 and ARM64
     # Ubuntu Bionic (18.04) is needed, it includes
     # GCC 7 codegen fixes to addcarry_u64.
     # Clang 9 (and GCC-6) are needed for inline assembly "flag output constraints"
-    - dist: bionic
-      arch: amd64
-      env:
-        - ARCH=amd64
-        - CHANNEL=devel
-      compiler: gcc
 
     - dist: bionic
       arch: arm64
@@ -28,22 +25,6 @@ matrix:
         - CHANNEL=devel
       compiler: gcc
 
-    - dist: bionic
-      arch: amd64
-      env:
-        - ARCH=amd64
-        - CHANNEL=devel
-      compiler: clang # Need Clang 9 for inline ASM test, but can't easily install it
-      # addons:
-      #   apt:
-      #     sources:
-      #       - ubuntu-toolchain-r-test
-      #       - llvm-toolchain-bionic-9.0 # LLVM 9 repo is disallowed
-      #     packages:
-      #       - clang-9.0
-      # env:
-      #   - MATRIX_EVAL="CC=clang-9.0 && CXX=clang++-9.0"
-
     - dist: bionic
       arch: ppc64le
       env:
@@ -59,14 +40,37 @@ matrix:
     #     - CHANNEL=devel
     #   compiler: gcc
 
-    # On OSX we only test against clang (gcc is mapped to clang by default)
-    - os: osx
-      osx_image: xcode11.5 # Need xcode 11.4.2 min for Clang 9
-      arch: amd64
-      env:
-        - ARCH=amd64
-        - CHANNEL=devel
-      compiler: clang
+    # - dist: bionic
+    #   arch: amd64
+    #   env:
+    #     - ARCH=amd64
+    #     - CHANNEL=devel
+    #   compiler: gcc
+    #
+    # - dist: bionic
+    #   arch: amd64
+    #   env:
+    #     - ARCH=amd64
+    #     - CHANNEL=devel
+    #   compiler: clang # Need Clang 9 for inline ASM test, but can't easily install it
+    #   # addons:
+    #   #   apt:
+    #   #     sources:
+    #   #       - ubuntu-toolchain-r-test
+    #   #       - llvm-toolchain-bionic-9.0 # LLVM 9 repo is disallowed
+    #   #     packages:
+    #   #       - clang-9.0
+    #   # env:
+    #   #   - MATRIX_EVAL="CC=clang-9.0 && CXX=clang++-9.0"
+    #
+    # # On OSX we only test against clang (gcc is mapped to clang by default)
+    # - os: osx
+    #   osx_image: xcode11.5 # Need xcode 11.4.2 min for Clang 9
+    #   arch: amd64
+    #   env:
+    #     - ARCH=amd64
+    #     - CHANNEL=devel
+    #   compiler: clang
   fast_finish: true
 
 # Submodules are only for benchmarks, don't clone them

README.md

@@ -4,7 +4,7 @@
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 ![Stability: experimental](https://img.shields.io/badge/stability-experimental-orange.svg)\
 [![Github Actions CI](https://github.com/mratsim/constantine/workflows/Constantine%20CI/badge.svg)](https://github.com/mratsim/constantine/actions?query=workflow%3A%22Constantine+CI%22+branch%3Amaster)\
-[![Build Status: Travis](https://img.shields.io/travis/com/mratsim/constantine/master?label=Travis%20%28Linux%20x86_64%2FARM64%2FPowerPC64,%20MacOS%20x86_64%29)](https://travis-ci.com/mratsim/constantine)\
+[![Build Status: Travis](https://img.shields.io/travis/com/mratsim/constantine/master?label=Travis%20%28Linux%20ARM64%2FPowerPC64%29)](https://travis-ci.com/mratsim/constantine)\
 [![Build Status: Azure](https://img.shields.io/azure-devops/build/numforge/07a2a7a5-995a-45d3-acd5-f5456fe7b04d/4?label=Azure%20%28Linux%2032%2F64-bit%2C%20Windows%2032%2F64-bit%2C%20MacOS%2064-bit%29)](https://dev.azure.com/numforge/Constantine/_build?definitionId=4&branchName=master)
 
 > “A cryptographic system should be secure even if everything about the system, except the key, is public knowledge.”\