circleci: add CFLAGS=-O0 environment variable

for faster compilation

diff --git a/circle.yml b/circle.yml
index 7e042d1041e157a3b0c21055dd9b84a5cb0b6b74..e7f17979cad82ed59c70c1b8ab92ff6d4279924a 100644 (file)
--- a/circle.yml
+++ b/circle.yml
@@ -1,3 +1,7 @@
+machine:
+  environment:
+    CFLAGS: -O0   # for faster compilation, will preserve warnings
+
 dependencies:
   override:
     - sudo dpkg --add-architecture i386