From 12af9b262be8e4ee6f94922b1fcbe10b0630bb9f Mon Sep 17 00:00:00 2001
From: Pavol Rusnak <stick@gk2.sk>
Date: Sun, 2 Apr 2017 01:07:00 +0200
Subject: [PATCH] build: switch to gcc-5 (in travis)

---
 .travis.yml | 4 ++++
 Makefile    | 4 ++--
 2 files changed, 6 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 2aeda09787..f819bc954a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,7 +4,10 @@ language: c
 
 addons:
   apt:
+    sources:
+    - ubuntu-toolchain-r-test
     packages:
+    - gcc-5
     - check
     - cmake
     - cmake-data
@@ -15,6 +18,7 @@ install:
   - pip install --user pytest ecdsa curve25519-donna
 
 script:
+  - export CC='gcc-5'
   - make
   - ./tests
   - ./test-openssl 1000
diff --git a/Makefile b/Makefile
index 5e0609f730..1e78ffe97c 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
-CC        = gcc
+CC       ?= gcc
 
-OPTFLAGS  = -O3 -g
+OPTFLAGS ?= -O3 -g
 
 CFLAGS   += $(OPTFLAGS) \
             -std=gnu99 \