feat : added default install path to AIDGE_INSTALL

CMakeLists.txt

 cmake_minimum_required(VERSION 3.15)
-
+set(CXX_STANDARD 14)
 
 file(STRINGS "${CMAKE_SOURCE_DIR}/version.txt" version)
 
@@ -37,8 +37,6 @@ add_definitions(-DGIT_COMMIT_HASH="${GIT_COMMIT_HASH}")
 # Note : project name is {project} and python module name is also {project}
 set(module_name _${CMAKE_PROJECT_NAME}) # target name
 
-set(CXX_STANDARD 14)
-
 ##############################################
 # Define options
 option(PYBIND "python binding" OFF)
@@ -124,6 +122,10 @@ endif()
 
 ##############################################
 # Installation instructions
+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 ${CMAKE_INSTALL_LIBDIR}/cmake/${CMAKE_PROJECT_NAME})
@@ -169,7 +171,6 @@ install(FILES
 export(EXPORT ${CMAKE_PROJECT_NAME}-targets
     FILE "${CMAKE_CURRENT_BINARY_DIR}/${CMAKE_PROJECT_NAME}-targets.cmake")
 
-
 ##############################################
 ## Add test
 if(TEST)