CMake: Move build of the crypto library to tf-psa-crypto

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
diff --git a/CMakeLists.txt b/CMakeLists.txt
index a83721a..21c9925 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -101,14 +101,11 @@
 option(LINK_WITH_TRUSTED_STORAGE "Explicitly link Mbed TLS library to trusted_storage." OFF)
 
 set(mbedcrypto_target "${MBEDTLS_TARGET_PREFIX}mbedcrypto")
-set(builtin_target "${MBEDTLS_TARGET_PREFIX}builtin")
 if (USE_STATIC_MBEDTLS_LIBRARY)
     set(mbedcrypto_static_target ${mbedcrypto_target})
-    set(builtin_static_target ${builtin_target})
 endif()
 if(USE_STATIC_MBEDTLS_LIBRARY AND USE_SHARED_MBEDTLS_LIBRARY)
     string(APPEND mbedcrypto_static_target "_static")
-    string(APPEND builtin_static_target    "_static")
 endif()
 
 # Warning string - created as a list for compatibility with CMake 2.8
diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index da635db..007aa35 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -5,27 +5,6 @@
     set(MBEDTLS_DIR ${CMAKE_SOURCE_DIR})
 endif()
 
-set(TF_PSA_CRYPTO_CORE_DIR ../tf-psa-crypto/core)
-
-set(src_crypto
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_aead.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_cipher.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_client.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_driver_wrappers_no_static.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_ecp.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_ffdh.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_hash.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_mac.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_pake.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_rsa.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_se.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_slot_management.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_storage.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_its_file.c
-    ${TF_PSA_CRYPTO_CORE_DIR}/psa_util.c
-)
-
 set(src_x509
     pkcs7.c
     x509.c
@@ -72,24 +51,8 @@
             ${CMAKE_CURRENT_SOURCE_DIR}/../scripts/generate_ssl_debug_helpers.py
             ${tls_error_headers}
     )
-
-    add_custom_command(
-        OUTPUT
-            ${CMAKE_CURRENT_BINARY_DIR}/${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_driver_wrappers.h
-            ${CMAKE_CURRENT_BINARY_DIR}/${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_driver_wrappers_no_static.c
-        COMMAND
-            ${MBEDTLS_PYTHON_EXECUTABLE}
-                ${CMAKE_CURRENT_SOURCE_DIR}/../scripts/generate_driver_wrappers.py
-                ${CMAKE_CURRENT_BINARY_DIR}/${TF_PSA_CRYPTO_CORE_DIR}
-        DEPENDS
-            ${CMAKE_CURRENT_SOURCE_DIR}/../scripts/generate_driver_wrappers.py
-            ${CMAKE_CURRENT_SOURCE_DIR}/../scripts/data_files/driver_templates/psa_crypto_driver_wrappers.h.jinja
-            ${CMAKE_CURRENT_SOURCE_DIR}/../scripts/data_files/driver_templates/psa_crypto_driver_wrappers_no_static.c.jinja
-    )
 else()
     link_to_source(ssl_debug_helpers_generated.c)
-    link_to_source(${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_driver_wrappers.h)
-    link_to_source(${TF_PSA_CRYPTO_CORE_DIR}/psa_crypto_driver_wrappers_no_static.c)
 endif()
 
 if(CMAKE_COMPILER_IS_GNUCC)
@@ -129,10 +92,6 @@
     set(libs ${libs} ${CMAKE_THREAD_LIBS_INIT})
 endif()
 
-if(LINK_WITH_TRUSTED_STORAGE)
-    set(libs ${libs} trusted_storage)
-endif()
-
 if (NOT USE_STATIC_MBEDTLS_LIBRARY AND NOT USE_SHARED_MBEDTLS_LIBRARY)
     message(FATAL_ERROR "Need to choose static or shared mbedtls build!")
 endif(NOT USE_STATIC_MBEDTLS_LIBRARY AND NOT USE_SHARED_MBEDTLS_LIBRARY)
@@ -148,36 +107,18 @@
     set(mbedx509_static_target ${mbedx509_target})
 endif()
 
-set(target_libraries ${mbedcrypto_target} ${mbedx509_target} ${mbedtls_target})
+set(target_libraries ${mbedx509_target} ${mbedtls_target})
 
 if(USE_STATIC_MBEDTLS_LIBRARY AND USE_SHARED_MBEDTLS_LIBRARY)
     string(APPEND mbedtls_static_target    "_static")
     string(APPEND mbedx509_static_target   "_static")
 
     list(APPEND target_libraries
-        ${mbedcrypto_static_target}
         ${mbedx509_static_target}
         ${mbedtls_static_target})
 endif()
 
-set(p256m_target "${MBEDTLS_TARGET_PREFIX}p256m")
-set(everest_target "${MBEDTLS_TARGET_PREFIX}everest")
-
 if(USE_STATIC_MBEDTLS_LIBRARY)
-    add_library(${mbedcrypto_static_target} STATIC ${src_crypto})
-    set_target_properties(${mbedcrypto_static_target} PROPERTIES OUTPUT_NAME mbedcrypto)
-    target_link_libraries(${mbedcrypto_static_target} PUBLIC ${libs})
-
-    target_link_libraries(${mbedcrypto_static_target} PUBLIC ${builtin_static_target})
-
-    if(TARGET ${everest_target})
-        target_link_libraries(${mbedcrypto_static_target} PUBLIC ${everest_target})
-    endif()
-
-    if(TARGET ${p256m_target})
-        target_link_libraries(${mbedcrypto_static_target} PUBLIC ${p256m_target})
-    endif()
-
     add_library(${mbedx509_static_target} STATIC ${src_x509})
     set_target_properties(${mbedx509_static_target} PROPERTIES OUTPUT_NAME mbedx509)
     target_link_libraries(${mbedx509_static_target} PUBLIC ${libs} ${mbedcrypto_static_target})
@@ -188,21 +129,6 @@
 endif(USE_STATIC_MBEDTLS_LIBRARY)
 
 if(USE_SHARED_MBEDTLS_LIBRARY)
-    set(CMAKE_LIBRARY_PATH ${CMAKE_CURRENT_BINARY_DIR})
-    add_library(${mbedcrypto_target} SHARED ${src_crypto})
-    set_target_properties(${mbedcrypto_target} PROPERTIES VERSION 4.0.0 SOVERSION 16)
-    target_link_libraries(${mbedcrypto_target} PUBLIC ${libs})
-
-    target_link_libraries(${mbedcrypto_target} PUBLIC ${builtin_target})
-
-    if(TARGET ${everest_target})
-        target_link_libraries(${mbedcrypto_target} PUBLIC ${everest_target})
-    endif()
-
-    if(TARGET ${p256m_target})
-        target_link_libraries(${mbedcrypto_target} PUBLIC ${p256m_target})
-    endif()
-
     add_library(${mbedx509_target} SHARED ${src_x509})
     set_target_properties(${mbedx509_target} PROPERTIES VERSION 4.0.0 SOVERSION 7)
     target_link_libraries(${mbedx509_target} PUBLIC ${libs} ${mbedcrypto_target})
@@ -224,9 +150,7 @@
                $<INSTALL_INTERFACE:include/>
         PRIVATE ${MBEDTLS_DIR}/library/
                 ${MBEDTLS_DIR}/tf-psa-crypto/core
-                ${MBEDTLS_DIR}/tf-psa-crypto/drivers/builtin/src
-                # Needed to include psa_crypto_driver_wrappers.h
-                ${CMAKE_CURRENT_BINARY_DIR}/../tf-psa-crypto/core)
+                ${MBEDTLS_DIR}/tf-psa-crypto/drivers/builtin/src)
     # Pass-through MBEDTLS_CONFIG_FILE and MBEDTLS_USER_CONFIG_FILE
     if(MBEDTLS_CONFIG_FILE)
         target_compile_definitions(${target}
@@ -247,7 +171,7 @@
 
 set(lib_target "${MBEDTLS_TARGET_PREFIX}lib")
 
-add_custom_target(${lib_target} DEPENDS ${mbedcrypto_target} ${mbedx509_target} ${mbedtls_target})
+add_custom_target(${lib_target} DEPENDS ${mbedx509_target} ${mbedtls_target})
 if(USE_STATIC_MBEDTLS_LIBRARY AND USE_SHARED_MBEDTLS_LIBRARY)
-    add_dependencies(${lib_target} ${mbedcrypto_static_target} ${mbedx509_static_target} ${mbedtls_static_target})
+    add_dependencies(${lib_target} ${mbedx509_static_target} ${mbedtls_static_target})
 endif()
diff --git a/tf-psa-crypto/core/CMakeLists.txt b/tf-psa-crypto/core/CMakeLists.txt
index e69de29..1e4a8c7 100644
--- a/tf-psa-crypto/core/CMakeLists.txt
+++ b/tf-psa-crypto/core/CMakeLists.txt
@@ -0,0 +1,187 @@
+set(src_crypto
+    psa_crypto.c
+    psa_crypto_aead.c
+    psa_crypto_cipher.c
+    psa_crypto_client.c
+    psa_crypto_driver_wrappers_no_static.c
+    psa_crypto_ecp.c
+    psa_crypto_ffdh.c
+    psa_crypto_hash.c
+    psa_crypto_mac.c
+    psa_crypto_pake.c
+    psa_crypto_rsa.c
+    psa_crypto_se.c
+    psa_crypto_slot_management.c
+    psa_crypto_storage.c
+    psa_its_file.c
+    psa_util.c
+)
+
+if(GEN_FILES)
+    add_custom_command(
+        OUTPUT
+            ${CMAKE_CURRENT_BINARY_DIR}/psa_crypto_driver_wrappers.h
+            ${CMAKE_CURRENT_BINARY_DIR}/psa_crypto_driver_wrappers_no_static.c
+        COMMAND
+            ${MBEDTLS_PYTHON_EXECUTABLE}
+                ${MBEDTLS_DIR}/scripts/generate_driver_wrappers.py
+                ${CMAKE_CURRENT_BINARY_DIR}
+        DEPENDS
+            ${MBEDTLS_DIR}/scripts/generate_driver_wrappers.py
+            ${MBEDTLS_DIR}/scripts/data_files/driver_templates/psa_crypto_driver_wrappers.h.jinja
+            ${MBEDTLS_DIR}/scripts/data_files/driver_templates/psa_crypto_driver_wrappers_no_static.c.jinja
+    )
+else()
+    link_to_source(psa_crypto_driver_wrappers.h)
+    link_to_source(psa_crypto_driver_wrappers_no_static.c)
+endif()
+
+if(CMAKE_COMPILER_IS_GNUCC)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-declarations -Wmissing-prototypes")
+endif(CMAKE_COMPILER_IS_GNUCC)
+
+if(CMAKE_COMPILER_IS_CLANG)
+    set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wmissing-declarations -Wmissing-prototypes -Wdocumentation -Wno-documentation-deprecated-sync -Wunreachable-code")
+endif(CMAKE_COMPILER_IS_CLANG)
+
+if(CMAKE_COMPILER_IS_MSVC)
+    option(MSVC_STATIC_RUNTIME "Build the libraries with /MT compiler flag" OFF)
+    if(MSVC_STATIC_RUNTIME)
+        foreach(flag_var
+            CMAKE_C_FLAGS CMAKE_C_FLAGS_DEBUG CMAKE_C_FLAGS_RELEASE
+            CMAKE_C_FLAGS_MINSIZEREL CMAKE_C_FLAGS_RELWITHDEBINFO
+            CMAKE_C_FLAGS_CHECK)
+            string(REGEX REPLACE "/MD" "/MT" ${flag_var} "${${flag_var}}")
+        endforeach(flag_var)
+    endif()
+endif()
+
+if(CMAKE_C_COMPILER_ID MATCHES "AppleClang")
+    set(CMAKE_C_ARCHIVE_CREATE   "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
+    set(CMAKE_C_ARCHIVE_FINISH   "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
+endif()
+if(CMAKE_CXX_COMPILER_ID MATCHES "AppleClang")
+    set(CMAKE_CXX_ARCHIVE_CREATE "<CMAKE_AR> Scr <TARGET> <LINK_FLAGS> <OBJECTS>")
+    set(CMAKE_CXX_ARCHIVE_FINISH "<CMAKE_RANLIB> -no_warning_for_no_symbols -c <TARGET>")
+endif()
+
+if(LINK_WITH_PTHREAD)
+    set(libs ${libs} ${CMAKE_THREAD_LIBS_INIT})
+endif()
+
+if(LINK_WITH_TRUSTED_STORAGE)
+    set(libs ${libs} trusted_storage)
+endif()
+
+if (NOT USE_STATIC_MBEDTLS_LIBRARY AND NOT USE_SHARED_MBEDTLS_LIBRARY)
+    message(FATAL_ERROR "Need to choose static or shared mbedtls build!")
+endif(NOT USE_STATIC_MBEDTLS_LIBRARY AND NOT USE_SHARED_MBEDTLS_LIBRARY)
+
+set(mbedcrypto_target "${MBEDTLS_TARGET_PREFIX}mbedcrypto")
+set(builtin_target "${MBEDTLS_TARGET_PREFIX}builtin")
+
+if (USE_STATIC_MBEDTLS_LIBRARY)
+    set(mbedcrypto_static_target ${mbedcrypto_target})
+    set(builtin_static_target ${builtin_target})
+endif()
+
+set(target_libraries ${mbedcrypto_target})
+
+if(USE_STATIC_MBEDTLS_LIBRARY AND USE_SHARED_MBEDTLS_LIBRARY)
+    string(APPEND mbedcrypto_static_target "_static")
+    string(APPEND builtin_static_target "_static")
+
+    list(APPEND target_libraries
+        ${mbedcrypto_static_target})
+endif()
+
+set(p256m_target "${MBEDTLS_TARGET_PREFIX}p256m")
+set(everest_target "${MBEDTLS_TARGET_PREFIX}everest")
+
+if(USE_STATIC_MBEDTLS_LIBRARY)
+    add_library(${mbedcrypto_static_target} STATIC ${src_crypto})
+    set_target_properties(${mbedcrypto_static_target} PROPERTIES OUTPUT_NAME mbedcrypto)
+    target_link_libraries(${mbedcrypto_static_target} PUBLIC ${libs})
+
+    target_link_libraries(${mbedcrypto_static_target} PUBLIC ${builtin_static_target})
+
+    if(TARGET ${everest_target})
+        target_link_libraries(${mbedcrypto_static_target} PUBLIC ${everest_target})
+    endif()
+
+    if(TARGET ${p256m_target})
+        target_link_libraries(${mbedcrypto_static_target} PUBLIC ${p256m_target})
+    endif()
+endif(USE_STATIC_MBEDTLS_LIBRARY)
+
+if(USE_SHARED_MBEDTLS_LIBRARY)
+    set(CMAKE_LIBRARY_PATH ${CMAKE_CURRENT_BINARY_DIR})
+    add_library(${mbedcrypto_target} SHARED ${src_crypto})
+    set_target_properties(${mbedcrypto_target} PROPERTIES VERSION 4.0.0 SOVERSION 16)
+    target_link_libraries(${mbedcrypto_target} PUBLIC ${libs})
+
+    target_link_libraries(${mbedcrypto_target} PUBLIC ${builtin_target})
+
+    if(TARGET ${everest_target})
+        target_link_libraries(${mbedcrypto_target} PUBLIC ${everest_target})
+    endif()
+
+    if(TARGET ${p256m_target})
+        target_link_libraries(${mbedcrypto_target} PUBLIC ${p256m_target})
+    endif()
+endif(USE_SHARED_MBEDTLS_LIBRARY)
+
+foreach(target IN LISTS target_libraries)
+    add_library(MbedTLS::${target} ALIAS ${target})  # add_subdirectory support
+    # Include public header files include/, drivers/builtin/include/ and
+    # ${MBEDTLS_DIR}/include/ as we still need it. Include private header files
+    # from core/ and drivers/builtin/src/.
+    target_include_directories(${target}
+        PUBLIC $<BUILD_INTERFACE:${MBEDTLS_DIR}/include/>
+               $<BUILD_INTERFACE:${MBEDTLS_DIR}/tf-psa-crypto/include/>
+               $<BUILD_INTERFACE:${MBEDTLS_DIR}/tf-psa-crypto/drivers/builtin/include/>
+               $<INSTALL_INTERFACE:include/>
+        PRIVATE ${MBEDTLS_DIR}/tf-psa-crypto/core
+                ${MBEDTLS_DIR}/tf-psa-crypto/drivers/builtin/src
+                # Needed to include psa_crypto_driver_wrappers.h
+                ${CMAKE_CURRENT_BINARY_DIR})
+    # Pass-through MBEDTLS_CONFIG_FILE and MBEDTLS_USER_CONFIG_FILE
+    if(MBEDTLS_CONFIG_FILE)
+        target_compile_definitions(${target}
+            PUBLIC MBEDTLS_CONFIG_FILE="${MBEDTLS_CONFIG_FILE}")
+    endif()
+    if(MBEDTLS_USER_CONFIG_FILE)
+        target_compile_definitions(${target}
+            PUBLIC MBEDTLS_USER_CONFIG_FILE="${MBEDTLS_USER_CONFIG_FILE}")
+    endif()
+    install(
+        TARGETS ${target}
+        EXPORT MbedTLSTargets
+        ARCHIVE DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}
+        RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR}
+        PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
+endforeach(target)
+
+if(USE_STATIC_MBEDTLS_LIBRARY)
+    add_custom_command(
+        TARGET ${mbedcrypto_static_target}
+        POST_BUILD
+        COMMAND ${CMAKE_COMMAND}
+        ARGS -E copy $<TARGET_FILE:${mbedcrypto_static_target}> ${CMAKE_BINARY_DIR}/library)
+endif(USE_STATIC_MBEDTLS_LIBRARY)
+
+if(USE_SHARED_MBEDTLS_LIBRARY)
+    add_custom_command(
+        TARGET ${mbedcrypto_target}
+        POST_BUILD
+        COMMAND ${CMAKE_COMMAND}
+        ARGS -E copy $<TARGET_FILE:${mbedcrypto_target}>
+        ${CMAKE_BINARY_DIR}/library/$<TARGET_FILE_NAME:${mbedcrypto_target}>)
+    add_custom_command(
+        TARGET ${mbedcrypto_target}
+        POST_BUILD
+        COMMAND ${CMAKE_COMMAND}
+        ARGS -E copy $<TARGET_LINKER_FILE:${mbedcrypto_target}>
+        ${CMAKE_BINARY_DIR}/library/$<TARGET_LINKER_FILE_NAME:${mbedcrypto_target}>)
+endif(USE_SHARED_MBEDTLS_LIBRARY)
diff --git a/tf-psa-crypto/tests/CMakeLists.txt b/tf-psa-crypto/tests/CMakeLists.txt
index e7800c9..88f12f8 100644
--- a/tf-psa-crypto/tests/CMakeLists.txt
+++ b/tf-psa-crypto/tests/CMakeLists.txt
@@ -294,7 +294,7 @@
             ${CMAKE_CURRENT_SOURCE_DIR}/suites/main_test.function
             ${CMAKE_CURRENT_SOURCE_DIR}/suites/host_test.function
             ${CMAKE_CURRENT_SOURCE_DIR}/suites/helpers.function
-            ${mbedtls_target}
+            ${mbedcrypto_target}
         BYPRODUCTS
             test_suite_${data_name}.datax
     )