[build] Add clang-tidy to Travis

.travis.yml

@@ -95,6 +95,12 @@ matrix:
       addons:
         apt:
           packages: [ 'lib32stdc++6' ]
+    - os: linux
+      env: FLAVOR=linux CXX=clang++-3.8 BUILDTYPE=Release ACTION=tidy AWS_ACCESS_KEY_ID=
+      addons:
+        apt:
+          sources: [ 'ubuntu-toolchain-r-test', 'llvm-toolchain-precise' ]
+          packages: [ 'clang-tidy-3.8', 'libgcc-4.9-dev', 'libstdc++-4.9-dev', 'libstdc++6', 'libllvm3.4', 'libclang-common-3.8-dev', 'libclang1-3.8', 'liblldb-3.8', 'libllvm3.8', 'lldb-3.8', 'llvm-3.8', 'llvm-3.8-dev', 'llvm-3.8-runtime', 'xutils-dev', 'libxxf86vm-dev', 'x11proto-xf86vidmode-dev', 'mesa-utils' ]
 
 env:
   global:
@@ -121,7 +127,7 @@ install:
 - ./scripts/${FLAVOR}/install.sh
 
 script:
-- ./scripts/${FLAVOR}/run.sh
+- ./scripts/${FLAVOR}/${ACTION:-run}.sh
 
 after_failure:
 - "[ -f ./scripts/${FLAVOR}/after_failure.sh ] && ./scripts/${FLAVOR}/after_failure.sh"

Makefile

@@ -67,6 +67,9 @@ run-linux: linux ; (cd build/linux-x86_64/$(BUILDTYPE) && ./mapbox-gl)
 run-valgrind-linux: linux
 	(cd build/linux-x86_64/$(BUILDTYPE) && valgrind --leak-check=full --suppressions=../../../scripts/valgrind.sup ./mapbox-gl)
 
+
+.PHONY: config compdb tidy
+config: ; $(RUN) config
 # Generates a compilation database with ninja for use in clang tooling
 compdb: ; $(RUN) Ninja/compdb
 tidy: ; $(RUN) tidy

scripts/linux/tidy.sh

@@ -0,0 +1,17 @@
+#!/usr/bin/env bash
+
+set -e
+set -o pipefail
+
+# Ensure mason is on the PATH
+export PATH="`pwd`/.mason:${PATH}" MASON_DIR="`pwd`/.mason"
+
+BUILDTYPE=${BUILDTYPE:-Release}
+
+export CLANG_TIDY=clang-tidy-3.8
+
+mapbox_time "config" \
+make config
+
+mapbox_time "tidy" \
+make tidy

scripts/main.mk

@@ -65,6 +65,8 @@ config/%.gypi: $(SUBMODULES) configure $(CONFIGURE_FILES)
 	@printf "$(TEXT_BOLD)$(COLOR_GREEN)* Recreating project...$(FORMAT_END)\n"
 	$(QUIET)$(ENV) ./scripts/flock.py build/Configure.lock ./configure config/$*.gypi
 
+.PHONY: config
+config: config/$(HOST_SLUG).gypi
 
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