[ch3] find_package eigen3 for better cross-platform support

gaoxiang12 · Dec 8, 2018 · 300807b · 300807b
1 parent a548002
commit 300807b
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Showing 3 changed files with 6 additions and 6 deletions.
diff --git a/ch3/useEigen/CMakeLists.txt b/ch3/useEigen/CMakeLists.txt
@@ -4,10 +4,8 @@ project( useEigen )
 set( CMAKE_BUILD_TYPE "Release" )
 set( CMAKE_CXX_FLAGS "-O3" )
 
+find_package( eigen3 )
 # 添加Eigen头文件
-include_directories( "/usr/include/eigen3" )
-
-# in osx and brew install
-# include_directories( /usr/local/Cellar/eigen/3.3.3/include/eigen3 )
+include_directories( ${EIGEN3_INCLUDE_DIRS} )
 
 add_executable( eigenMatrix eigenMatrix.cpp )
diff --git a/ch3/useGeometry/CMakeLists.txt b/ch3/useGeometry/CMakeLists.txt
@@ -1,7 +1,8 @@
 cmake_minimum_required( VERSION 2.8 )
 project( geometry )
 
+find_package( eigen3 )
 # 添加Eigen头文件
-include_directories( "/usr/include/eigen3" )
+include_directories( ${EIGEN3_INCLUDE_DIRS} )
 
 add_executable( eigenGeometry eigenGeometry.cpp )
diff --git a/ch3/visualizeGeometry/CMakeLists.txt b/ch3/visualizeGeometry/CMakeLists.txt
@@ -3,8 +3,9 @@ project( visualizeGeometry )
 
 set(CMAKE_CXX_FLAGS "-std=c++11")
 
+find_package( eigen3 )
 # 添加Eigen头文件
-include_directories( "/usr/include/eigen3" )
+include_directories( ${EIGEN3_INCLUDE_DIRS} )
 
 # 添加Pangolin依赖
 find_package( Pangolin )