From 6b4d5f3b4fe7f4c396cb1564cdb98e5fbf9a16bf Mon Sep 17 00:00:00 2001
From: Guilhem Saurel <guilhem.saurel@laas.fr>
Date: Wed, 13 Jul 2022 12:45:52 +0200
Subject: [PATCH] cmake: relocatable package for recent CMake versions
---
CMakeLists.txt | 42 ++++++++++++++++++++++++++++++++++++------
1 file changed, 36 insertions(+), 6 deletions(-)
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9b68806..01d96bb 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,8 +68,23 @@ ELSE(WIN32)
SET(LINK create_symlink)
ENDIF(WIN32)
+set(PYTHON_COMPONENTS Interpreter)
+if(CMAKE_VERSION VERSION_LESS "3.18")
+ # Development.Module only require headers, so it's best for our module
+ # But it's not available before CMake 3.18
+ set(PYTHON_COMPONENTS ${PYTHON_COMPONENTS} Development)
+else()
+ set(PYTHON_COMPONENTS ${PYTHON_COMPONENTS} Development.Module)
+endif()
+if(NOT CMAKE_VERSION VERSION_LESS "3.14")
+ # NumPy provides a standard CMake imported target,
+ # But it's not available before CMake 3.14
+ set(PYTHON_COMPONENTS ${PYTHON_COMPONENTS} NumPy)
+endif()
FINDPYTHON()
-FIND_NUMPY()
+if(CMAKE_VERSION VERSION_LESS "3.14")
+ FIND_NUMPY()
+endif()
IF(WIN32)
LINK_DIRECTORIES(${PYTHON_LIBRARY_DIRS})
@@ -200,13 +215,23 @@ SET(${PROJECT_NAME}_SOURCES
ADD_LIBRARY(${PROJECT_NAME} SHARED ${${PROJECT_NAME}_SOURCES} ${${PROJECT_NAME}_HEADERS})
TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME}
SYSTEM PUBLIC
- ${Boost_INCLUDE_DIRS}
- ${EIGEN3_INCLUDE_DIR}
- ${PYTHON_INCLUDE_DIRS}
- ${NUMPY_INCLUDE_DIRS}
$<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/include>
$<INSTALL_INTERFACE:include>)
+if(TARGET Eigen3::Eigen)
+ TARGET_LINK_LIBRARIES(${PROJECT_NAME} PUBLIC Eigen3::Eigen)
+else()
+ TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} SYSTEM PUBLIC ${EIGEN3_INCLUDE_DIR})
+endif()
+
+if(TARGET Python3::NumPy)
+ TARGET_LINK_LIBRARIES(${PROJECT_NAME} PUBLIC Python3::NumPy)
+ TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} SYSTEM PRIVATE ${Python3_INCLUDE_DIRS})
+else()
+ TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} SYSTEM PUBLIC ${NUMPY_INCLUDE_DIRS})
+ TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} SYSTEM PRIVATE ${PYTHON_INCLUDE_DIRS})
+endif()
+
IF(SUFFIX_SO_VERSION)
SET_TARGET_PROPERTIES(${PROJECT_NAME} PROPERTIES SOVERSION ${PROJECT_VERSION})
ENDIF(SUFFIX_SO_VERSION)
@@ -217,7 +242,12 @@ ELSE()
TARGET_COMPILE_OPTIONS(${PROJECT_NAME} PRIVATE $<$<CXX_COMPILER_ID:MSVC>:-bigobj>)
ENDIF()
-TARGET_LINK_BOOST_PYTHON(${PROJECT_NAME} PUBLIC)
+if(TARGET Boost::python3${Python3_VERSION_MINOR} AND NOT APPLE)
+ TARGET_LINK_LIBRARIES(${PROJECT_NAME} PUBLIC Boost::python3${Python3_VERSION_MINOR})
+else()
+ TARGET_LINK_BOOST_PYTHON(${PROJECT_NAME} PUBLIC)
+ TARGET_INCLUDE_DIRECTORIES(${PROJECT_NAME} SYSTEM PUBLIC ${Boost_INCLUDE_DIRS})
+endif()
INSTALL(TARGETS ${PROJECT_NAME}
EXPORT ${TARGETS_EXPORT_NAME}
PUBLIC_HEADER DESTINATION ${CMAKE_INSTALL_FULL_INCLUDEDIR}
--
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