better cmake

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.1)
+cmake_minimum_required(VERSION 3.11)
 
 project(
   Geodesy
@@ -9,20 +9,61 @@ project(
 # We need Eigen
 find_package(Eigen3 3.3 REQUIRED)
 
-# The library
-add_subdirectory(src)
-
-# The tests
 include(CTest)
-add_subdirectory(test//unit_tests)
+add_subdirectory(test/unit_tests)
 enable_testing()
 
-add_compile_options(
-  -Wall -Wextra -Werror -pedantic -W -Wshadow -march=native -DEIGEN_NO_AUTOMATIC_RESIZING
-  $<$<CONFIG:RELEASE>:-O2 -march=native -DEIGEN_NO_AUTOMATIC_RESIZING>
-  $<$<CONFIG:DEBUG>:-g -pg -Wdisabled-optimization -DDEBUG>
-)
-
 set(CMAKE_CXX_STANDARD 17)
 set(CMAKE_CXX_STANDARD_REQUIRED On)
 set(CMAKE_CXX_EXTENSIONS Off)
+add_compile_options(-Wall 
+  -Wextra 
+  -Werror 
+  -pedantic 
+  -W 
+  -Wshadow 
+  $<$<CONFIG:Release>:-O2>
+  $<$<CONFIG:Release>:-march=native>
+  $<$<CONFIG:Debug>:-g>
+  $<$<CONFIG:Debug>:-pg> 
+  $<$<CONFIG:Debug>:-Wdisabled-optimization>
+  )
+add_compile_definitions(
+  $<$<CONFIG:Debug>:DEBUG>
+)
+
+add_library(geodesy)
+target_include_directories(geodesy PUBLIC
+  $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/>
+  $<INSTALL_INTERFACE:include/geodesy>
+)
+
+add_subdirectory(src)
+
+# Install headers at: $PREFIX/datetime/...
+install(DIRECTORY ${CMAKE_SOURCE_DIR}/include/
+	DESTINATION include/geodesy
+)
+
+# install library
+install(TARGETS geodesy
+        EXPORT geodesyTargets
+         ARCHIVE DESTINATION lib
+         LIBRARY DESTINATION lib
+         RUNTIME DESTINATION bin
+)
+
+install(EXPORT geodesyTargets
+      FILE geodesyTargets.cmake
+      NAMESPACE dso::
+      DESTINATION lib/cmake/geodesy
+)
+include(CMakePackageConfigHelpers)
+write_basic_package_version_file(
+  "geodesyConfigVersion.cmake"
+  VERSION ${geodesy_version}
+  COMPATIBILITY AnyNewerVersion
+  )
+install(FILES "geodesyConfig.cmake" "${CMAKE_CURRENT_BINARY_DIR}/geodesyConfigVersion.cmake"
+  DESTINATION lib/cmake/dso
+  )

geodesyConfig.cmake

@@ -0,0 +1,3 @@
+include(CMakeFindDependencyMacro)
+# find_dependency(xxx 2.0)
+include(${CMAKE_CURRENT_LIST_DIR}/geodesyTargets.cmake)

src/CMakeLists.txt

@@ -1,28 +1,6 @@
-add_library(geodesy)
-
 target_sources(geodesy 
   PRIVATE
-    cartesian_to_spherical.cpp  
-    geodetic_to_lvlh.cpp
-    spherical_to_cartesian.cpp
+    ${CMAKE_SOURCE_DIR}/src/cartesian_to_spherical.cpp  
+    ${CMAKE_SOURCE_DIR}/src/geodetic_to_lvlh.cpp
+    ${CMAKE_SOURCE_DIR}/src/spherical_to_cartesian.cpp
 )
-
-target_include_directories(geodesy
-  PUBLIC
-    ${CMAKE_CURRENT_SOURCE_DIR}/../include
-    ${CMAKE_CURRENT_SOURCE_DIR}/../include/core
-)
-
-# We need the Eigen-3 library
-target_link_libraries(geodesy PRIVATE Eigen3::Eigen)
-
-# Install headers at: $PREFIX/geodesy/...
-install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR}/../include/
-	DESTINATION include/geodesy
-)
-
-# install library
-install(TARGETS geodesy
-         ARCHIVE DESTINATION lib
-         LIBRARY DESTINATION lib
-         RUNTIME DESTINATION bin)