ccache

.travis.yml

@@ -1,6 +1,7 @@
 sudo: required
 dist: trusty
 
+
 addons:
   apt:
     sources:
@@ -21,6 +22,8 @@ install:
 
 language: cpp
 
+cache: ccache
+
 matrix:
   include:
   - compiler: gcc
@@ -42,7 +45,7 @@ matrix:
 script:
   - mkdir build
   - cd build
-  - cmake -D CMAKE_BUILD_TYPE=$BUILD_TYPE ..
+  - cmake -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DCMAKE_BUILD_TYPE=$BUILD_TYPE ..
   - make -j
   - make test
 

CMakeLists.txt

@@ -1,7 +1,7 @@
 SET(PROJECT_NAME Sophus)
 
 PROJECT(${PROJECT_NAME})
-CMAKE_MINIMUM_REQUIRED(VERSION 2.8)
+CMAKE_MINIMUM_REQUIRED(VERSION 3.4)
 
 SET( CMAKE_VERBOSE_MAKEFILE ON)
 
@@ -16,7 +16,7 @@ set(CMAKE_CXX_STANDARD 11)
 IF("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang")
    SET(CMAKE_CXX_FLAGS_DEBUG  "-O0 -g")
    SET(CMAKE_CXX_FLAGS_RELEASE "-O3")
-   SET(CMAKE_CXX_FLAGS "-Wall -Werror -Wextra -Wno-deprecated-register -Wno-deprecated-register")
+   SET(CMAKE_CXX_FLAGS "-Wall -Werror -Wextra -Wno-deprecated-register -Wno-deprecated-register -Qunused-arguments -fcolor-diagnostics")
 ELSEIF("${CMAKE_CXX_COMPILER_ID}" STREQUAL "GNU")
    SET(CMAKE_CXX_FLAGS_DEBUG  "-O0 -g")
    SET(CMAKE_CXX_FLAGS_RELEASE "-O3")

scripts/install_linux_deps.sh

@@ -3,6 +3,14 @@
 set -x # echo on
 set -e # exit on error
 
+wget https://cmake.org/files/v3.9/cmake-3.9.0-Linux-x86_64.sh
+chmod +x cmake-3.9.0-Linux-x86_64.sh 
+set +x # echo off
+sudo ./cmake-3.9.0-Linux-x86_64.sh  --skip-license --prefix=/usr/local
+set -x # echo on
+sudo update-alternatives --install /usr/bin/cmake cmake /usr/local/bin/cmake 1 --force
+cmake --version 
+
 sudo apt-get -qq update 
 sudo apt-get install libeigen3-dev libc++-dev libgoogle-glog-dev libatlas-base-dev libsuitesparse-dev
 sudo unlink /usr/bin/gcc && sudo ln -s /usr/bin/gcc-5 /usr/bin/gcc
@@ -14,6 +22,8 @@ cd ceres-solver
 git reset --hard afe93546b67cee0ad205fe8044325646ed5deea9
 mkdir build
 cd build
-cmake -DCXX11=On ..
+ccache -M 50G
+ccache -s
+cmake -DCXX11=On -DCMAKE_CXX_COMPILER_LAUNCHER=ccache ..
 make -j3
 sudo make install

scripts/install_osx_deps.sh

@@ -6,11 +6,16 @@ brew update
 brew install eigen
 brew install glog
 brew install suite-sparse
+brew install ccache
+export PATH="/usr/local/opt/ccache/libexec:$PATH"
+whereis ccache
 git clone https://ceres-solver.googlesource.com/ceres-solver ceres-solver
 cd ceres-solver
 git reset --hard afe93546b67cee0ad205fe8044325646ed5deea9
 mkdir build
 cd build
-cmake -DCXX11=On ..
+ccache -M 50G
+ccache -s
+cmake -DCXX11=On -DCMAKE_CXX_COMPILER_LAUNCHER=ccache ..
 make -j3
 make install