add rpath, fix typo, add option, clean cmake file

ADOL-C/c_interface/ADOLC_TB_interface.cpp

@@ -1,5 +1,5 @@
 #include <adolc/adolc.h>
-#include "ADOLC_TB_Interface.h"
+#include "ADOLC_TB_interface.h"
 
 /*
 Constructor & Destructor for class tape-based adouble

ADOL-C/c_interface/CMakeLists.txt

@@ -1,13 +1,3 @@
-cmake_minimum_required(VERSION 3.27)
 
-set(CMAKE_CXX_STANDARD 11)
-set(CMAKE_CXX_STANDARD_REQUIRED True)
-
-add_library(ExternalADOLC SHARED IMPORTED)
-set_target_properties(ExternalADOLC PROPERTIES
-    IMPORTED_LOCATION ${ADOLC_INSTALL_DIR}/lib/libadolc.dylib
-    INTERFACE_INCLUDE_DIRECTORIES ${ADOLC_INSTALL_DIR}/include
-)
 add_library(ADOLCInterface SHARED ADOLC_TB_interface.cpp ADOLC_TL_interface.cpp array_handler.cpp driver_interface.cpp)
-target_link_libraries(ADOLCInterface ExternalADOLC) 
-
+target_link_libraries(ADOLCInterface adolc) 

CMakeLists.txt

@@ -6,6 +6,7 @@ project(adol-c
   DESCRIPTION "A Package for Automatic Differentiation of Algorithms Written in C/C++"
   HOMEPAGE_URL "https://github.com/coin-or/ADOL-C")
 
+set(CMAKE_INSTALL_RPATH "${CMAKE_INSTALL_PREFIX}/lib")
 add_library(adolc SHARED)
 add_library(adolc::adolc ALIAS adolc)
 
@@ -49,6 +50,11 @@ set(USE_BOOST_POOL "#undef USE_BOOST_POOL")
 
 add_subdirectory(ADOL-C)
 
+option(BUILD_INTERFACE OFF)
+
+if(BUILD_INTERFACE)
+    add_subdirectory(ADOL-C/c_interface)
+endif()
 
 # export the targets
 # ------------------
@@ -57,9 +63,15 @@ include(CMakePackageConfigHelpers)
 include(GNUInstallDirs)
 
 install(TARGETS adolc EXPORT adolcTargets)
+install(TARGETS ADOLCInterface EXPORT ADOLCInterfaceTargets)
 install(EXPORT adolcTargets
   FILE adolc-targets.cmake
   NAMESPACE adolc::
   DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/adolc)
 
 
+install(EXPORT ADOLCInterfaceTargets 
+ DESTINATION ${CMAKE_INSTALL_LIBDIR}/cmake/adolc)
+
+
+