CMakeLists.txt: split ENABLE_TESTS in two options (needed on iOS / android)

CMakeLists.txt

@@ -37,12 +37,13 @@ set(PROJECT_VERSION_MINOR ${BCTOOLBOX_VERSION_MINOR})
 set(PROJECT_VERSION_PATCH ${BCTOOLBOX_VERSION_PATCH})
 set(PROJECT_VERSION "${BCTOOLBOX_VERSION}")
 
-option(ENABLE_SHARED "Build shared library." YES)
-option(ENABLE_STATIC "Build static library." YES)
+option(ENABLE_SHARED "Build shared library." ON)
+option(ENABLE_STATIC "Build static library." ON)
 option(ENABLE_POLARSSL "Enable polarssl support" ON)
 option(ENABLE_MBEDTLS "Enable mabedtls support" ON)
-option(ENABLE_TESTS "Enable compilation of tests helper library" ON)
 option(ENABLE_STRICT "Pass strict flags to the compiler" ON)
+option(ENABLE_TESTS_COMPONENT "Enable compilation of tests helper library" ON)
+option(ENABLE_TESTS "Enable compilation of tests" ON)
 
 include(CheckLibraryExists)
 include(CheckSymbolExists)
@@ -110,7 +111,7 @@ if(POLARSSL_FOUND)
 	set(LIBS_PRIVATE "${LIBS_PRIVATE} -L${polarssl_library_path} -lpolarssl")
 endif()
 
-if(ENABLE_TESTS)
+if(ENABLE_TESTS_COMPONENT)
 	find_package(CUnit)
 	if(CUNIT_FOUND)
 		cmake_push_check_state(RESET)
@@ -130,7 +131,7 @@ endif()
 configure_file(${CMAKE_CURRENT_SOURCE_DIR}/bctoolbox.pc.in ${CMAKE_CURRENT_BINARY_DIR}/bctoolbox.pc)
 install(FILES ${CMAKE_CURRENT_BINARY_DIR}/bctoolbox.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 
-if(ENABLE_TESTS AND CUNIT_FOUND)
+if(ENABLE_TESTS_COMPONENT AND CUNIT_FOUND)
 	configure_file(${CMAKE_CURRENT_SOURCE_DIR}/bctoolbox-tester.pc.in ${CMAKE_CURRENT_BINARY_DIR}/bctoolbox-tester.pc)
 	install(FILES ${CMAKE_CURRENT_BINARY_DIR}/bctoolbox-tester.pc DESTINATION ${CMAKE_INSTALL_LIBDIR}/pkgconfig)
 endif()
@@ -200,7 +201,7 @@ check_library_exists("rt" "clock_gettime" "" HAVE_LIBRT)
 
 add_subdirectory(include)
 add_subdirectory(src)
-if(ENABLE_TESTS AND CUNIT_FOUND)
+if(ENABLE_TESTS AND ENABLE_TESTS_COMPONENT AND CUNIT_FOUND)
 	add_subdirectory(tester)
 endif()