Try clang

.travis.yml

@@ -4,11 +4,21 @@ rust:
   - stable
 
 env:
-  - RUST_TREE_SITTER_TEST=1
+  - CC=clang-3.6 RUST_TREE_SITTER_TEST=1
 
 before_install:
   - ./script/fetch-test-fixtures.sh
 
+compiler: clang-3.6
+
+addons:
+  apt:
+    sources:
+      - llvm-toolchain-precise-3.6
+      - ubuntu-toolchain-r-test
+    packages:
+      - clang-3.6
+
 branches:
   only:
   - master

build.rs

@@ -10,7 +10,6 @@ fn main() {
     config
         .flag("-std=c99")
         .flag("-Wno-unused-parameter")
-        .static_flag(true)
         .include(root_path.join(Path::new("src")))
         .include(root_path.join(Path::new("include")))
         .include(root_path.join(Path::new("externals/utf8proc")));