programs: cmake: Use list of executables

Use list of executables to:
- factorize the code to define executables
- highlight the similarities and differences of the executable definitions
- avoid list duplication

Use alphabetic order for executables in lists.

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/programs/ssl/CMakeLists.txt b/programs/ssl/CMakeLists.txt
index d6ba2ac..edd8b35 100644
--- a/programs/ssl/CMakeLists.txt
+++ b/programs/ssl/CMakeLists.txt
@@ -5,7 +5,15 @@
     mbedtls
 )
 
-set(targets
+if(USE_PKCS11_HELPER_LIBRARY)
+    set(libs ${libs} pkcs11-helper)
+endif(USE_PKCS11_HELPER_LIBRARY)
+
+if(ENABLE_ZLIB_SUPPORT)
+    set(libs ${libs} ${ZLIB_LIBRARIES})
+endif(ENABLE_ZLIB_SUPPORT)
+
+set(executables
     dtls_client
     dtls_server
     mini_client
@@ -18,52 +26,20 @@
     ssl_server2
 )
 
-if(USE_PKCS11_HELPER_LIBRARY)
-    set(libs ${libs} pkcs11-helper)
-endif(USE_PKCS11_HELPER_LIBRARY)
+foreach(exe IN LISTS executables)
+    add_executable(${exe} ${exe}.c)
+    target_link_libraries(${exe} ${libs})
+endforeach()
 
-if(ENABLE_ZLIB_SUPPORT)
-    set(libs ${libs} ${ZLIB_LIBRARIES})
-endif(ENABLE_ZLIB_SUPPORT)
-
-add_executable(dtls_client dtls_client.c)
-target_link_libraries(dtls_client ${libs})
-
-add_executable(dtls_server dtls_server.c)
-target_link_libraries(dtls_server ${libs})
-
-add_executable(mini_client mini_client.c)
-target_link_libraries(mini_client ${libs})
-
-add_executable(ssl_client1 ssl_client1.c)
-target_link_libraries(ssl_client1 ${libs})
-
-add_executable(ssl_client2 ssl_client2.c)
 target_sources(ssl_client2 PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../test/query_config.c)
-target_link_libraries(ssl_client2 ${libs})
-
-add_executable(ssl_context_info ssl_context_info.c)
-target_link_libraries(ssl_context_info ${libs})
-
-add_executable(ssl_fork_server ssl_fork_server.c)
-target_link_libraries(ssl_fork_server ${libs})
-
-add_executable(ssl_mail_client ssl_mail_client.c)
-target_link_libraries(ssl_mail_client ${libs})
-
-add_executable(ssl_server ssl_server.c)
-target_link_libraries(ssl_server ${libs})
-
-add_executable(ssl_server2 ssl_server2.c)
 target_sources(ssl_server2 PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/../test/query_config.c)
-target_link_libraries(ssl_server2 ${libs})
 
 if(THREADS_FOUND)
     add_executable(ssl_pthread_server ssl_pthread_server.c)
     target_link_libraries(ssl_pthread_server ${libs} ${CMAKE_THREAD_LIBS_INIT})
-    set(targets ${targets} ssl_pthread_server)
+    list(APPEND executables ssl_pthread_server)
 endif(THREADS_FOUND)
 
-install(TARGETS ${targets}
+install(TARGETS ${executables}
         DESTINATION "bin"
         PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)