Add ccache, add travis cache

Signed-off-by: Bogdan Vaneev <warchantua@gmail.com>

.travis.yml

@@ -1,7 +1,13 @@
 sudo: true
 dist: trusty
 language: cpp
-cache: apt
+cache:
+  apt: true
+  ccache: true
+  directories:
+    - ${HOME}/install
+    - ${HOME}/deps
+    - dep
 
 git:
   depth: 1
@@ -18,6 +24,7 @@ matrix:
             - g++-6
             - valgrind
             - ninja-build
+            - ccache
       env:
         - COMPILER=g++-6
         - BUILD_CONFIG=Debug
@@ -35,6 +42,7 @@ matrix:
           packages:
             - clang-5.0
             - ninja-build
+            - ccache
       env:
         - COMPILER=clang++-5.0
         - BUILD_CONFIG=Release
@@ -52,6 +60,7 @@ matrix:
           packages:
             - clang-5.0
             - ninja-build
+            - ccache
       env:
         - COMPILER=clang++-5.0
         - BUILD_CONFIG=Debug

CMakeLists.txt

@@ -20,6 +20,9 @@
 # SOFTWARE.
 
 cmake_minimum_required(VERSION 3.11)
+
+
+
 project(continuable VERSION 3.0.0 LANGUAGES C CXX)
 
 if (CTI_CONTINUABLE_IS_FIND_INCLUDED)

dep/asio/asio

@@ -1 +1 @@
-Subproject commit 90f32660cd503494b3707840cfbd5434d8e9dabe
+Subproject commit 230c0d2ae035c5ce1292233fcab03cea0d341264

tools/travis-ci.sh

@@ -4,6 +4,8 @@ DEPS_DIR="${HOME}/deps"
 mkdir -p ${DEPS_DIR}
 cd ${DEPS_DIR}
 
+INSTALL_DIR="${HOME}/install"
+
 # Recent CMake:
 CMAKE_URL="https://cmake.org/files/v3.11/cmake-3.11.4-Linux-x86_64.tar.gz"
 mkdir cmake && wget --no-check-certificate --quiet -O - ${CMAKE_URL} | tar --strip-components=1 -xz -C cmake
@@ -33,14 +35,14 @@ if [[ "${CXX%%+*}" == "clang" ]]; then
     wget -O - ${LLVM_URL} | tar --strip-components=1 -xJ -C llvm
     wget -O - ${LIBCXX_URL} | tar --strip-components=1 -xJ -C llvm/projects/libcxx
     wget -O - ${LIBCXXABI_URL} | tar --strip-components=1 -xJ -C llvm/projects/libcxxabi
-    (cd llvm/build && cmake .. -DCMAKE_INSTALL_PREFIX=${TRAVIS_BUILD_DIR}/llvm/install)
+    (cd llvm/build && cmake .. -DCMAKE_INSTALL_PREFIX=${INSTALL_DIR})
     (cd llvm/build/projects/libcxx && make install -j2)
     (cd llvm/build/projects/libcxxabi && make install -j2)
   fi
 
-  export STD_CXX_FLAGS="-isystem ${TRAVIS_BUILD_DIR}/llvm/install/include/c++/v1 -stdlib=libc++"
-  export STD_LINKER_FLAGS="-L ${TRAVIS_BUILD_DIR}/llvm/install/lib -l c++ -l c++abi"
-  export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${TRAVIS_BUILD_DIR}/llvm/install/lib"
+  export STD_CXX_FLAGS="-isystem ${INSTALL_DIR}/include/c++/v1 -stdlib=libc++"
+  export STD_LINKER_FLAGS="-L ${INSTALL_DIR}/lib -l c++ -l c++abi"
+  export LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${INSTALL_DIR}/lib"
 fi
 
 # Function for creating a new 'build' directory