Use "modern" CMake facilities to manage includes and libs

[ginac.git] / doc / examples / CMakeLists.txt

diff --git a/doc/examples/CMakeLists.txt b/doc/examples/CMakeLists.txt
index afdc67d206fcb65dea2ee633925fb12b67bc6822..ea5f64d7619f39d74a93e4b82d069bb4d8fc7d54 100644 (file)
--- a/doc/examples/CMakeLists.txt
+++ b/doc/examples/CMakeLists.txt
@@ -1,23 +1,34 @@
-add_info_file(ginac-examples)
+cmake_minimum_required(VERSION 3.1)
 
-add_definitions(-DIN_GINAC)
-include_directories(${CMAKE_SOURCE_DIR}/ginac ${CMAKE_BUILD_DIR}/ginac)
+project(GiNaC_examples)
+
+if (TARGET ginac)
+       add_info_file(ginac-examples)
+endif()
+
+if (NOT TARGET ginac AND EXISTS ${CMAKE_CURRENT_LIST_DIR}/ginac/CMakeLists.txt)
+       add_subdirectory(${CMAKE_CURRENT_LIST_DIR}/ginac ${CMAKE_CURRENT_BINARY_DIR}/ginac)
+endif()
+
+if (NOT TARGET ginac)
+       find_package(ginac REQUIRED 1.7.0)
+endif()
 
 add_executable(archive1 archive1.cpp)
-target_link_libraries(archive1 ginac ${LIBDL_LIBRARIES})
+target_link_libraries(archive1 ginac::ginac)
 
 add_executable(compile1 compile1.cpp)
-target_link_libraries(compile1 ginac ${LIBDL_LIBRARIES})
+target_link_libraries(compile1 ginac::ginac)
 
 # XXX: compile2 example uses the Cuba library (http://www.feynarts.de/cuba)
 # add_executable(compile2 compile2.cpp)
-# target_link_libraries(compile2 ginac ${LIBDL_LIBRARIES})
+# target_link_libraries(compile2 ginac::ginac)
 
 add_executable(compile3 compile3.cpp)
-target_link_libraries(compile3 ginac ${LIBDL_LIBRARIES})
+target_link_libraries(compile3 ginac::ginac)
 
 add_executable(mystring mystring.cpp)
-target_link_libraries(mystring ginac ${LIBDL_LIBRARIES})
+target_link_libraries(mystring ginac::ginac)
 
 add_executable(derivative derivative.cpp)
-target_link_libraries(derivative ginac ${LIBDL_LIBRARIES})
+target_link_libraries(derivative ginac::ginac)