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--- programming:cmake [2022/03/28 10:41]
odagawa created
+++ programming:cmake [2022/07/21 06:15] (current)
odagawa
@@ Line 1: / Line 1: @@
 =====CMake=====
-  * ROOT
+CMake は実行ファイル作成時の依存関係を整理し，Makefile などを作成してくれるソフトウェア．\\
-  * ライブラリ
+スクラッチで書いたことはないが，どこかから何かしらをコピペしながら覚えていくのがよいと思う．\\
+おそらく最小単位は以下の通り (MyApp.cpp から MyApp を作成)
+<code>
+cmake_minimum_required(VERSION 3.10.2)
+add_executable(MyApp MyApp.cpp)
+</code>
+===ROOT===
+ROOT のライブラリを CMake で見つける方法．\\
+以下を CMakeLists.txt に追加する．
+<code>
+list(APPEND CMAKE_PREFIX_PATH $ENV{ROOTSYS})
+#set(ROOT_REQUIRED_COMPONENTS Minuit) # Minuit が必要な場合
+#set(ROOT_REQUIRED_COMPONENTS Minuit Spectrum) # Minuit と Spectrum が必要な場合
+find_package(ROOT 6.18 CONFIG REQUIRED ${ROOT_REQUIRED_COMPONENTS})
+include(${ROOT_USE_FILE})
+message(STATUS "Found ROOT: ${ROOT_INCLUDE_DIRS}")
+message("-- Required ROOT components are: ${ROOT_REQUIRED_COMPONENTS}")
+</code>
+そして，
+<code>
+target_include_directories(MyApp PRIVATE ${ROOT_INCLUDE_DIRS})
+target_link_libraries(MyApp ${ROOT_LIBRARIES})
+</code>
+とすれば使えるはず．
+===boost===
+boost のライブラリを CMake で見つける方法．\\
+以下を CMakeLists.txt に追加する．
+<code>
+set(Boost_USER_STATIC_LIBS OFF)
+find_package(Boost 1.73 COMPONENTS system filesystem log regex) # 必要なものを追加
+if (Boost_FOUND)
+    message(STATUS "Boost library -- found")
+    message(STATUS "BNoost library include dir : ${Boost_INCLUDE_DIRS}")
+    include_directories("${Boost_INCLUDE_DIRS}")
+endif()
+</code>
+===Geant4===
+Geant4 のライブラリを CMake で見つける方法．\\
+以下を CMakeLists.txt に追加する．
+<code>
+find_package(Geant4 REQUIRED)
+#find_package(Geant4 REQUIRED COMPONENTS ui_tcsh) # GUI が必要な場合
+include(${Geant4_USE_FILE})
+message(STATUS "Found Geant4: ${Geant4_INCLUDE_DIRS}")
+</code>
+===自作ライブラリ===
+いろいろ調べてコピペしたので間違ってても保証はできない．\\
+少なくとも KEKCC の僕の環境では動いた．
+<code>
+SET(MYLIB_SERACH_PATHS
+  /usr/local
+  /opt/local
+  ${MYLIB_PATH}
+)
+FIND_PATH(MYLIB_INCLUDE_DIR MyLib.hpp
+  HINTS
+  $ENV{MYLIBDIR}
+  PATH_SUFFIXES include/mylib/dir include
+  PATHS ${MYLIB_SEARCH_PATHS}
+)
+FIND_LIBRARY(MYLIB_TEMP
+  NAMES MyLib
+  HINTS
+  ${ENV{MYLIBDIR}
+  PATH_SUFFIXES lib64/mylib/dir lib/mylib/dir
+  PATHS ${MYLIB_SEARCH_PATHS}
+)
+IF(MYLIB_TEMP)
+  SET(MYLIB ${MCLIB_TEMP} CACHE STRING "Where mylib Library can be found")
+  SET(MCLIB_TEMP "${MYLIB_TEMP}" CACHE INTERNAL "")
+ENDIF(MYLIB_TEMP)
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(MyLib REQUIRED_VARS MYLIB MYLIB_INCLUDE_DIR)
+</code>

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