feat : pybind disabled by default + error messages

CMakeLists.txt

@@ -15,7 +15,7 @@ set(CXX_STANDARD 14)
 
 ##############################################
 # Define options
-option(PYBIND "python binding" ON)
+option(PYBIND "python binding" OFF)
 option(WERROR "Warning as error" OFF)
 option(TEST "Enable tests" ON)
 option(COVERAGE "Enable coverage" OFF)
@@ -79,14 +79,16 @@ endif()
 
 # PYTHON BINDING
 if (PYBIND)
+    find_package(Python REQUIRED)
+    if (${Python_VERSION_MAJOR} LESS 3)
+        MESSAGE(FATAL_ERROR "Unsupported Python version. Python 3.0.0+ is required")
+    endif()
     generate_python_binding(${project} ${module_name})
 
     # Handles Python + pybind11 headers dependencies
     target_link_libraries(${module_name}
         PUBLIC
             pybind11::pybind11
-        PRIVATE
-            Python::Python
         )
 endif()
 
@@ -133,6 +135,11 @@ endif()
 
 ##############################################
 # Installation instructions
+message("$ENV{AIDGE_INSTALL}")
+if(NOT $ENV{AIDGE_INSTALL} STREQUAL "")
+    set(CMAKE_INSTALL_PREFIX $ENV{AIDGE_INSTALL})
+    message(WARNING "CMAKE_INSTALL_PREFIX set to env variable AIDGE_INSTALL by default = ${CMAKE_INSTALL_PREFIX}")
+endif()
 
 include(GNUInstallDirs)
 set(INSTALL_CONFIGDIR ${CMAKE_INSTALL_LIBDIR}/cmake/${project})
@@ -177,6 +184,7 @@ install(FILES
 
 ##############################################
 ## Exporting from the build tree
+message(STATUS "Exporting created targets to use them in another build")
 export(EXPORT ${project}-targets
     FILE "${CMAKE_CURRENT_BINARY_DIR}/${project}-targets.cmake")
 
@@ -187,3 +195,4 @@ if(TEST)
     enable_testing()
     add_subdirectory(unit_tests)
 endif()
+