diff --git a/.travis.yml b/.travis.yml
index f37e9a6..9be5df7 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,4 +1,16 @@
 language: c
+compiler: gcc
+branches:
+    only:
+        - ci
+        - master
+sudo: false
+dist: trusty
+addons:
+    apt:
+        packages:
+            - git
+            - doxygen
 install:
 script:
   - make init
diff --git a/Makefile b/Makefile
index 8b41448..c9adbe1 100644
--- a/Makefile
+++ b/Makefile
@@ -77,7 +77,7 @@ SRC_EXTS = c
 
 # Location(s) where EzMake should look for `include` and `lib` subdirectories
 # No biggie if the directory doesn't exist.
-PREFIXES = /usr /mingw64 /mingw32 $$HOME
+PREFIXES = /usr /usr/local /mingw64 /mingw32 $$HOME
 
 # WARNING: Changing these may cause a lot of headache!
 # Project root directory and submodule directory
@@ -103,4 +103,4 @@ init :
 
 FORCE :
 
--include $(SUB_DIR)/ezmake/script/ezmake.mk
+-include $(ROOT)/$(SUB_DIR)/ezmake/script/ezmake.mk
diff --git a/sub/ezmake b/sub/ezmake
index 11cd1d6..bd79a92 160000
--- a/sub/ezmake
+++ b/sub/ezmake
@@ -1 +1 @@
-Subproject commit 11cd1d6726e7be0a632e30b6e4b5d8f32323cb81
+Subproject commit bd79a92a123da135bf1bbeb3f0873677759901fc