Use "modern" CMake facilities to manage includes and libs

[ginac.git] / ginac / CMakeLists.txt

diff --git a/ginac/CMakeLists.txt b/ginac/CMakeLists.txt
index 98bd89b80fec372b4518480cff0dc19a9b8b9145..086665511c974f92d12a1151b0cf745b57ee4f04 100644 (file)
--- a/ginac/CMakeLists.txt
+++ b/ginac/CMakeLists.txt
@@ -1,4 +1,3 @@
-cmake_minimum_required(VERSION 2.6)
 
 set(ginaclib_sources
     add.cpp
@@ -147,12 +146,21 @@ set(ginaclib_private_headers
 )
 
 add_library(ginac ${ginaclib_sources})
-add_definitions(-DLIBEXECDIR="${LIBEXECDIR}/")
+add_library(ginac::ginac ALIAS ginac)
 set_target_properties(ginac PROPERTIES
        SOVERSION ${ginaclib_soversion}
        VERSION ${ginaclib_version})
-target_link_libraries(ginac ${CLN_LIBRARIES})
-include_directories(${CMAKE_SOURCE_DIR}/ginac)
+target_compile_definitions(ginac
+       PUBLIC $<BUILD_INTERFACE:IN_GINAC>
+       PRIVATE -DLIBEXECDIR="${LIBEXECDIR}/" HAVE_CONFIG_H
+)
+target_link_libraries(ginac PUBLIC cln::cln ${LIBDL_LIBRARIES})
+target_include_directories(ginac PUBLIC
+       $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}>
+       $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}>
+       $<BUILD_INTERFACE:${CMAKE_CURRENT_BINARY_DIR}/..>
+       $<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>
+)
 
 if (WIN32 AND CMAKE_COMPILER_IS_GNUCXX AND BUILD_SHARED_LIBS)
        set_target_properties(ginac PROPERTIES
@@ -167,10 +175,18 @@ if (NOT BUILD_SHARED_LIBS)
        set_target_properties(ginac PROPERTIES PREFIX "lib")
 endif()
 
-install(TARGETS ginac LIBRARY DESTINATION "${LIB_INSTALL_DIR}"
-                     RUNTIME DESTINATION "${BIN_INSTALL_DIR}"
-                     ARCHIVE DESTINATION "${LIB_INSTALL_DIR}")
-install(FILES ${ginaclib_public_headers} DESTINATION "${INCLUDE_INSTALL_DIR}/ginac")
+install(TARGETS ginac
+                     EXPORT ginac-exports
+                     LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+                     RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
+                     ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}"
+)
+install(FILES ${ginaclib_public_headers} DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/ginac")
+install(EXPORT ginac-exports
+       FILE ginac-targets.cmake
+       NAMESPACE ginac::
+       DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/ginac
+)
 
 add_custom_command(
        OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/function.h