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wolfTPM/IDE/Espressif/components/wolfssl/CMakeLists.txt

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CMake
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#
# Copyright (C) 2006-2025 wolfSSL Inc.
#
# This file is part of wolfTPM.
#
# wolfTPM is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# wolfTPM is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
#
# cmake for wolfssl Espressif projects
#
# Version 5.6.6.1 template update
#
# See https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/build-system.html
#
cmake_minimum_required(VERSION 3.16)
set(VERBOSE_COMPONENT_MESSAGES 1)
# The scope of this CMAKE_C_FLAGS is just this component:
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_USER_SETTINGS")
set(CMAKE_CURRENT_SOURCE_DIR ".")
# set(COMPONENT_REQUIRES lwip) # we typically don't need lwip directly in wolfssl component
# Optionally set your source to wolfSSL in your project CMakeLists.txt like this:
# set(WOLFSSL_ROOT "c:/test/my_wolfssl" )
if ( "${WOLFSSL_ROOT}" STREQUAL "")
set(WOLFSSL_ROOT "$ENV{WOLFSSL_ROOT}" )
endif()
# Optional compiler definitions to help with system name detection (typically printed by app diagnostics)
if(VERBOSE_COMPONENT_MESSAGES)
if(WIN32)
# Windows-specific configuration here
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_CMAKE_SYSTEM_NAME_WINDOWS")
message("Detected Windows")
endif()
if(CMAKE_HOST_UNIX)
message("Detected UNIX")
endif()
if(APPLE)
message("Detected APPLE")
endif()
if(CMAKE_HOST_UNIX AND (NOT APPLE) AND EXISTS "/proc/sys/fs/binfmt_misc/WSLInterop")
# Windows-specific configuration here
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_CMAKE_SYSTEM_NAME_WSL")
message("Detected WSL")
endif()
if(CMAKE_HOST_UNIX AND (NOT APPLE) AND (NOT WIN32))
# Windows-specific configuration here
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_CMAKE_SYSTEM_NAME_LINUX")
message("Detected Linux")
endif()
if(APPLE)
# Windows-specific configuration here
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_CMAKE_SYSTEM_NAME_APPLE")
message("Detected Apple")
endif()
endif() # End optional WOLFSSL_CMAKE_SYSTEM_NAME
message(STATUS "CONFIG_TARGET_PLATFORM = ${CONFIG_TARGET_PLATFORM}")
# Check that there are not conflicting wolfSSL components
# The ESP Registry Component will be in ./managed_components/wolfssl__wolfssl
# The local component wolfSSL directory will be in ./components/wolfssl
if( EXISTS "${CMAKE_HOME_DIRECTORY}/managed_components/wolfssl__wolfssl" AND EXISTS "${CMAKE_HOME_DIRECTORY}/components/wolfssl" )
# These exclude statements don't seem to be honored by the $ENV{IDF_PATH}/tools/cmake/project.cmake'
# add_subdirectory("${CMAKE_HOME_DIRECTORY}/managed_components/wolfssl__wolfssl" EXCLUDE_FROM_ALL)
# add_subdirectory("${CMAKE_HOME_DIRECTORY}/managed_components/wolfssl__wolfssl/include" EXCLUDE_FROM_ALL)
# So we'll error out and let the user decide how to proceed:
message(WARNING "\nFound wolfSSL components in\n"
"./managed_components/wolfssl__wolfssl\n"
"and\n"
"./components/wolfssl\n"
"in project directory: \n"
"${CMAKE_HOME_DIRECTORY}")
message(FATAL_ERROR "\nPlease use either the ESP Registry Managed Component or the wolfSSL component directory but not both.\n"
"If removing the ./managed_components/wolfssl__wolfssl directory, remember to also remove "
"or rename the idf_component.yml file typically found in ./main/")
else()
message(STATUS "No conflicting wolfSSL components found.")
endif()
# Don't include lwip requirement for benchmark and test apps.
if( ("${CMAKE_PROJECT_NAME}" STREQUAL "wolfssl_benchmark") OR ("${CMAKE_PROJECT_NAME}" STREQUAL "wolfssl_test") )
message(STATUS "Not including lwip for ${CMAKE_PROJECT_NAME}")
else()
# benchmark and test do not need wifi, everything else probably does:
set(COMPONENT_REQUIRES lwip) # we typically don't need lwip directly in wolfssl component
endif()
# find the user name to search for possible "wolfssl-username"
message(STATUS "USERNAME = $ENV{USERNAME}")
if( "$ENV{USER}" STREQUAL "" ) # the bash user
if( "$ENV{USERNAME}" STREQUAL "" ) # the Windows user
message(STATUS "could not find USER or USERNAME")
else()
# the bash user is not blank, so we'll use it.
set(THIS_USER "$ENV{USERNAME}")
endif()
else()
# the bash user is not blank, so we'll use it.
set(THIS_USER "$ENV{USER}")
endif()
message(STATUS "THIS_USER = ${THIS_USER}")
if( "$ENV{IDF_PATH}" STREQUAL "" )
message(FATAL_ERROR "IDF_PATH Environment variable not set!")
else()
string(REPLACE "\\" "/" THIS_IDF_PATH "$ENV{IDF_PATH}")
endif()
# COMPONENT_NAME = wolfssl
# The component name is the directory name. "No feature to change this".
# See https://github.com/espressif/esp-idf/issues/8978#issuecomment-1129892685
# set the root of wolfSSL in top-level project CMakelists.txt:
# set(WOLFSSL_ROOT "C:/some path/with/spaces")
# set(WOLFSSL_ROOT "c:/workspace/wolfssl-[username]")
# set(WOLFSSL_ROOT "/mnt/c/some path/with/spaces")
# or use this logic to assign value from Environment Variable WOLFSSL_ROOT,
# or assume this is an example 7 subdirectories below:
# We are typically in [root]/IDE/Espressif/ESP-IDF/examples/wolfssl_test/components/wolfssl
# The root of wolfSSL is 7 directories up from here:
# function: IS_WOLFSSL_SOURCE
# parameter: DIRECTORY_PARAMETER - the directory to test
# output: RESULT = contains contents of DIRECTORY_PARAMETER for wolfssl directory, otherwise blank.
function(IS_WOLFSSL_SOURCE DIRECTORY_PARAMETER RESULT)
if (EXISTS "${DIRECTORY_PARAMETER}/wolfcrypt/src")
set(${RESULT} "${DIRECTORY_PARAMETER}" PARENT_SCOPE)
else()
set(${RESULT} "" PARENT_SCOPE)
endif()
endfunction()
# *********************************************************************************************
# function: FIND_WOLFSSL_DIRECTORY
# parameter: OUTPUT_FOUND_WOLFSSL_DIRECTORY contains root of source code, otherwise blank
#
# Example usage:
# FIND_WOLFSSL_DIRECTORY(WOLFSSL_ROOT)
# *********************************************************************************************
function(FIND_WOLFSSL_DIRECTORY OUTPUT_FOUND_WOLFSSL_DIRECTORY)
message(STATUS "Starting FIND_WOLFSSL_DIRECTORY: ${${OUTPUT_FOUND_WOLFSSL_DIRECTORY}}")
if ( "${${OUTPUT_FOUND_WOLFSSL_DIRECTORY}}" STREQUAL "" )
set(CURRENT_SEARCH_DIR "$ENV{WOLFSSL_ROOT}")
if( "${CURRENT_SEARCH_DIR}" STREQUAL "" )
message(STATUS "The WOLFSSL_ROOT environment variable is not set. Searching...")
else()
get_filename_component(CURRENT_SEARCH_DIR "$ENV{WOLFSSL_ROOT}" ABSOLUTE)
IS_WOLFSSL_SOURCE("${CURRENT_SEARCH_DIR}" FOUND_WOLFSSL)
if( FOUND_WOLFSSL )
message(STATUS "Found WOLFSSL_ROOT via Environment Variable:")
else()
message(FATAL_ERROR "WOLFSSL_ROOT Environment Variable defined, but path not found:")
message(STATUS "$ENV{WOLFSSL_ROOT}")
endif()
endif()
else()
get_filename_component(CURRENT_SEARCH_DIR "${${OUTPUT_FOUND_WOLFSSL_DIRECTORY}}" ABSOLUTE)
IS_WOLFSSL_SOURCE("${CURRENT_SEARCH_DIR}" FOUND_WOLFSSL)
if( FOUND_WOLFSSL )
message(STATUS "Found WOLFSSL_ROOT via prior specification.")
else()
message(FATAL_ERROR "WOLFSSL_ROOT Variable defined, but path not found: ${${OUTPUT_FOUND_WOLFSSL_DIRECTORY}}")
endif()
endif()
# we'll start in the CMAKE_CURRENT_SOURCE_DIR, typically [something]/projectname/components/wolfssl
message(STATUS "CMAKE_CURRENT_SOURCE_DIR = ${CMAKE_CURRENT_SOURCE_DIR}")
get_filename_component(CURRENT_SEARCH_DIR "${CMAKE_CURRENT_SOURCE_DIR}" ABSOLUTE)
message(STATUS "CURRENT_SEARCH_DIR = ${CURRENT_SEARCH_DIR}")
string(LENGTH ${CURRENT_SEARCH_DIR} CURRENT_SEARCH_DIR_LENGTH)
# loop through all the parents, looking for wolfssl
while(NOT CURRENT_SEARCH_DIR STREQUAL "/" AND NOT CURRENT_SEARCH_DIR STREQUAL "" )
string(LENGTH ${CURRENT_SEARCH_DIR} CURRENT_SEARCH_DIR_LENGTH)
# wolfSSL may simply be in a parent directory, such as for local examples in wolfssl repo
IS_WOLFSSL_SOURCE("${CURRENT_SEARCH_DIR}" FOUND_WOLFSSL)
if( FOUND_WOLFSSL )
message(STATUS "Found wolfssl in CURRENT_SEARCH_DIR = ${CURRENT_SEARCH_DIR}")
set(${OUTPUT_FOUND_WOLFSSL_DIRECTORY} ${CURRENT_SEARCH_DIR} PARENT_SCOPE)
return()
endif()
# Maintain CURRENT_SEARCH_DIR, but check various suffixes with CURRENT_SEARCH_DIR_ALT
if( THIS_USER )
# Check for "wolfssl-[username]" subdirectory as we recurse up the directory tree
set(CURRENT_SEARCH_DIR_ALT ${CURRENT_SEARCH_DIR}/wolfssl-${THIS_USER})
message(STATUS "Looking in ${CURRENT_SEARCH_DIR_ALT}")
IS_WOLFSSL_SOURCE("${CURRENT_SEARCH_DIR_ALT}" FOUND_WOLFSSL )
if ( FOUND_WOLFSSL )
message(STATUS "Found wolfssl in user-suffix CURRENT_SEARCH_DIR_ALT = ${CURRENT_SEARCH_DIR_ALT}")
set(CURRENT_SEARCH_DIR "${CURRENT_SEARCH_DIR_ALT}")
set(${OUTPUT_FOUND_WOLFSSL_DIRECTORY} ${CURRENT_SEARCH_DIR} PARENT_SCOPE)
return()
endif()
endif()
if ( FOUND_WOLFSSL )
# if we already found the source, skip attempt of "wolfssl-master"
else()
set(CURRENT_SEARCH_DIR_ALT ${CURRENT_SEARCH_DIR}/wolfssl-master)
message(STATUS "Looking in ${CURRENT_SEARCH_DIR_ALT}")
IS_WOLFSSL_SOURCE("${CURRENT_SEARCH_DIR_ALT}" FOUND_WOLFSSL )
if ( FOUND_WOLFSSL )
message(STATUS "Found wolfssl in master-suffix CURRENT_SEARCH_DIR_ALT = ${CURRENT_SEARCH_DIR_ALT}")
set(CURRENT_SEARCH_DIR "${CURRENT_SEARCH_DIR_ALT}")
set(${OUTPUT_FOUND_WOLFSSL_DIRECTORY} ${CURRENT_SEARCH_DIR} PARENT_SCOPE)
return()
endif()
endif()
if ( FOUND_WOLFSSL )
# if we already found the source, skip attempt of "wolfssl"
else()
set(CURRENT_SEARCH_DIR_ALT ${CURRENT_SEARCH_DIR}/wolfssl)
message(STATUS "Looking in ${CURRENT_SEARCH_DIR_ALT}")
IS_WOLFSSL_SOURCE("${CURRENT_SEARCH_DIR_ALT}" FOUND_WOLFSSL )
if ( FOUND_WOLFSSL )
message(STATUS "Found wolfssl in CURRENT_SEARCH_DIR_ALT = ${CURRENT_SEARCH_DIR_ALT}")
set(CURRENT_SEARCH_DIR "${CURRENT_SEARCH_DIR_ALT}")
set(${OUTPUT_FOUND_WOLFSSL_DIRECTORY} ${CURRENT_SEARCH_DIR} PARENT_SCOPE)
return()
endif()
endif()
# Next check for no user suffix "wolfssl" subdirectory as we recurse up the directory tree
set(CURRENT_SEARCH_DIR_ALT ${CURRENT_SEARCH_DIR}/wolfssl)
# if(EXISTS ${CURRENT_SEARCH_DIR} AND IS_DIRECTORY ${CURRENT_SEARCH_DIR} AND EXISTS "${CURRENT_SEARCH_DIR}/wolfcrypt/src")
IS_WOLFSSL_SOURCE("${CURRENT_SEARCH_DIR_ALT}" FOUND_WOLFSSL )
if ( FOUND_WOLFSSL )
message(STATUS "Found wolfssl in CURRENT_SEARCH_DIR = ${CURRENT_SEARCH_DIR}")
set(${OUTPUT_FOUND_WOLFSSL_DIRECTORY} ${CURRENT_SEARCH_DIR} PARENT_SCOPE)
return()
endif()
# Move up one directory level
set(PRIOR_SEARCH_DIR "${CURRENT_SEARCH_DIR}")
get_filename_component(CURRENT_SEARCH_DIR "${CURRENT_SEARCH_DIR}" DIRECTORY)
message(STATUS "Next CURRENT_SEARCH_DIR = ${CURRENT_SEARCH_DIR}")
if( "${PRIOR_SEARCH_DIR}" STREQUAL "${CURRENT_SEARCH_DIR}" )
# When the parent is current directory, cannot go any further. We didn't find wolfssl.
# When the search directory is empty, we'll give up.
set(CURRENT_SEARCH_DIR "")
endif()
endwhile()
# If not found, set the output variable to empty before exiting
set(${OUTPUT_FOUND_WOLFSSL_DIRECTORY} "" PARENT_SCOPE)
endfunction()
# Example usage:
#
# Simply find the WOLFSSL_DIRECTORY by searching parent directories:
# FIND_WOLFSSL_DIRECTORY(WOLFSSL_ROOT)
#
if(CMAKE_BUILD_EARLY_EXPANSION)
message(STATUS "wolfssl component CMAKE_BUILD_EARLY_EXPANSION:")
idf_component_register(
REQUIRES "${COMPONENT_REQUIRES}"
PRIV_REQUIRES # esp_hw_support
"${THIS_INCLUDE_TIMER}"
"${THIS_INCLUDE_DRIVER}" # this will typically only be needed for wolfSSL benchmark
)
else()
# not CMAKE_BUILD_EARLY_EXPANSION
message(STATUS "************************************************************************************************")
message(STATUS "wolfssl component config:")
message(STATUS "************************************************************************************************")
if ( "${CONFIG_TARGET_PLATFORM}" STREQUAL "esp8266")
# There's no esp_timer, no driver components for the ESP8266
set(THIS_INCLUDE_TIMER "")
set(THIS_INCLUDE_DRIVER "")
else()
set(THIS_INCLUDE_TIMER "esp_timer")
set(THIS_INCLUDE_DRIVER "driver")
endif()
# search for wolfSSL
if(WOLFSSL_ROOT)
IS_WOLFSSL_SOURCE("${WOLFSSL_ROOT}" FOUND_WOLFSSL)
if(FOUND_WOLFSSL)
message(STATUS "Found WOLFSSL_ROOT via CMake specification.")
else()
# WOLFSSL_ROOT Path specified in CMakeLists.txt is not a valid path
message(FATAL_ERROR "WOLFSSL_ROOT CMake Variable defined, but path not found: ${WOLFSSL_ROOT}\n"
"Try correcting WOLFSSL_ROOT in your project CMakeFile.txt or setting environment variable.")
# Abort CMake after fatal error.
endif()
else()
message(STATUS "Searching for wolfSL source code...")
FIND_WOLFSSL_DIRECTORY(WOLFSSL_ROOT)
endif()
if(WOLFSSL_ROOT)
message(STATUS "Confirmed wolfssl directory at: ${WOLFSSL_ROOT}")
else()
message(STATUS "Failed: wolfssl directory not found.")
# Abort. We need wolfssl _somewhere_.
message(FATAL_ERROR "Could not find wolfssl in any parent directory named wolfssl-${THIS_USER}, wolfssl-master, or wolfssl.\n"
"Try setting WOLFSSL_ROOT environment variable, cmake variable in project, copy source, or use managed components.")
# Abort CMake after fatal error.
endif()
set(INCLUDE_PATH ${WOLFSSL_ROOT})
set(WOLFSSL_EXTRA_PROJECT_DIR "${WOLFSSL_ROOT}/src/")
# During regression tests, optionally copy source locally and use: set(USE_LOCAL_TEST_BENCH 1)
set(USE_LOCAL_TEST_BENCH 0)
if(NOT USE_LOCAL_TEST_BENCH)
if( "${CMAKE_PROJECT_NAME}" STREQUAL "hello-world" )
message(STATUS "Include ${WOLFSSL_ROOT}/wolfcrypt/benchmark")
set(WOLFSSL_EXTRA_PROJECT_DIR "${WOLFSSL_ROOT}/wolfcrypt/benchmark")
endif()
if( "${CMAKE_PROJECT_NAME}" STREQUAL "wolfssl_benchmark" )
message(STATUS "Include ${WOLFSSL_ROOT}/wolfcrypt/benchmark")
set(WOLFSSL_EXTRA_PROJECT_DIR "${WOLFSSL_ROOT}/wolfcrypt/benchmark")
endif()
if( "${CMAKE_PROJECT_NAME}" STREQUAL "wolfssl_test" )
message(STATUS "Include ${WOLFSSL_ROOT}/wolfcrypt/test")
set(WOLFSSL_EXTRA_PROJECT_DIR "${WOLFSSL_ROOT}/wolfcrypt/test")
endif()
endif()
set(COMPONENT_SRCDIRS "\"${WOLFSSL_ROOT}/src/\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/port/Espressif\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/port/atmel\""
"\"${WOLFSSL_EXTRA_PROJECT_DIR}\""
) # COMPONENT_SRCDIRS
message(STATUS "This COMPONENT_SRCDIRS = ${COMPONENT_SRCDIRS}")
# wolfSSL user_settings.h is in the local project.
set(WOLFSSL_PROJECT_DIR "${CMAKE_HOME_DIRECTORY}/components/wolfssl")
string(REPLACE "/" "//" STR_WOLFSSL_PROJECT_DIR "${WOLFSSL_PROJECT_DIR}")
add_definitions(-DWOLFSSL_USER_SETTINGS_DIR="${STR_WOLFSSL_PROJECT_DIR}//include//user_settings.h")
# Espressif may take several passes through this makefile. Check to see if we found IDF
string(COMPARE EQUAL "${PROJECT_SOURCE_DIR}" "" WOLFSSL_FOUND_IDF)
# get a list of all wolfcrypt assembly files; we'll exclude them as they don't target Xtensa
file(GLOB EXCLUDE_ASM *.S)
file(GLOB EXCLUDE_ASM ${CMAKE_SOURCE_DIR} "${WOLFSSL_ROOT}/wolfcrypt/src/*.S")
message(STATUS "IDF_PATH = $ENV{IDF_PATH}")
message(STATUS "PROJECT_SOURCE_DIR = ${PROJECT_SOURCE_DIR}")
message(STATUS "EXCLUDE_ASM = ${EXCLUDE_ASM}")
#
# Check to see if there's both a local copy and EDP-IDF copy of the wolfssl and/or wolfssh components.
#
if( EXISTS "${WOLFSSL_PROJECT_DIR}" AND EXISTS "$ENV{IDF_PATH}/components/wolfssl/" )
#
# wolfSSL found in both ESP-IDF and local project - needs to be resolved by user
#
message(STATUS "")
message(STATUS "**************************************************************************************")
message(STATUS "")
message(STATUS "Error: Found components/wolfssl in both local project and IDF_PATH")
message(STATUS "")
message(STATUS "To proceed: ")
message(STATUS "")
message(STATUS "Remove either the local project component: ${WOLFSSL_PROJECT_DIR} ")
message(STATUS "or the Espressif shared component installed at: $ENV{IDF_PATH}/components/wolfssl/ ")
message(STATUS "")
message(STATUS "")
message(STATUS "**************************************************************************************")
message(STATUS "")
message(FATAL_ERROR "Please use wolfSSL in either local project or Espressif components, but not both.")
# Abort CMake after fatal error.
# Optional: if you change the above FATAL_ERROR to STATUS you can warn at runtime with this macro definition:
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DWOLFSSL_MULTI_INSTALL_WARNING")
else()
if( EXISTS "$ENV{IDF_PATH}/components/wolfssl/" )
#
# wolfSSL found in ESP-IDF components and is assumed to be already configured in user_settings.h via setup.
#
message(STATUS "")
message(STATUS "Using components/wolfssl in IDF_PATH = $ENV{IDF_PATH}")
message(STATUS "")
else()
#
# wolfSSL is not an ESP-IDF component.
# We need to now determine if it is local and if so if it is part of the wolfSSL repo,
# or if wolfSSL is simply installed as a local component.
#
if( EXISTS "${WOLFSSL_PROJECT_DIR}" )
#
# wolfSSL found in local project.
#
if( EXISTS "${WOLFSSL_PROJECT_DIR}/wolfcrypt/" )
message(STATUS "")
message(STATUS "Using installed project ./components/wolfssl in CMAKE_HOME_DIRECTORY = ${CMAKE_HOME_DIRECTORY}")
message(STATUS "")
#
# Note we already checked above and confirmed there's not another wolfSSL installed in the ESP-IDF components.
#
# We won't do anything else here, as it will be assumed the original install completed successfully.
#
else() # full wolfSSL not installed in local project
#
# This is the developer repo mode. wolfSSL will be assumed to be not installed to ESP-IDF nor local project
# In this configuration, we are likely running a wolfSSL example found directly in the repo.
#
message(STATUS "")
message(STATUS "Using developer repo ./components/wolfssl in CMAKE_HOME_DIRECTORY = ${CMAKE_HOME_DIRECTORY}")
message(STATUS "")
message(STATUS "************************************************************************************************")
# When in developer mode, we are typically running wolfSSL examples such as benchmark or test directories.
# However, the as-cloned or distributed wolfSSL does not have the ./include/ directory, so we'll add it as needed.
#
# first check if there's a [root]/include/user_settings.h
if( EXISTS "${WOLFSSL_ROOT}/include/user_settings.h" )
message(FATAL_ERROR "Found stray wolfSSL user_settings.h in "
"${WOLFSSL_ROOT}/include/user_settings.h "
" (please move it to ${WOLFSSL_PROJECT_DIR}/include/user_settings.h )")
# Abort CMake after fatal error.
else()
# we won't overwrite an existing user settings file, just note that we already have one:
if( EXISTS "${WOLFSSL_PROJECT_DIR}/include/user_settings.h" )
message(STATUS "Using existing wolfSSL user_settings.h in "
"${WOLFSSL_PROJECT_DIR}/include/user_settings.h")
else()
message(STATUS "Installing wolfSSL user_settings.h to "
"${WOLFSSL_PROJECT_DIR}/include/user_settings.h")
file(COPY "${WOLFSSL_ROOT}/IDE/Espressif/ESP-IDF/user_settings.h"
DESTINATION "${CMAKE_HOME_DIRECTORY}/wolfssl/include/")
endif()
endif() # user_settings.h
# next check if there's a [root]/include/config.h
if( EXISTS "${WOLFSSL_ROOT}/include/config.h" )
message(STATUS "******************************************************************************")
message(STATUS "******************************************************************************")
message(STATUS "Found stray wolfSSL config.h in ${WOLFSSL_ROOT}/include/config.h" )
message(STATUS " Please move it to ${WOLFSSL_PROJECT_DIR}/include/config.h" )
message(STATUS "******************************************************************************")
message(STATUS "******************************************************************************")
else()
# we won't overwrite an existing user settings file, just note that we already have one:
if( EXISTS "${WOLFSSL_PROJECT_DIR}/include/config.h" )
message(STATUS "Using existing wolfSSL config.h ${WOLFSSL_PROJECT_DIR}/include/config.h")
else()
message(STATUS "Installing wolfSSL config.h to ${WOLFSSL_PROJECT_DIR}/include/config.h")
file(COPY "${WOLFSSL_ROOT}/IDE/Espressif/ESP-IDF/dummy_config_h" DESTINATION "${WOLFSSL_PROJECT_DIR}/include/")
file(RENAME "${WOLFSSL_PROJECT_DIR}/include/dummy_config_h" "${WOLFSSL_PROJECT_DIR}/include/config.h")
endif() # Project config.h
endif() # WOLFSSL_ROOT config.h
message(STATUS "************************************************************************************************")
message(STATUS "")
endif()
else()
# we did not find a ./components/wolfssl/include/ directory from this pass of cmake.
if($WOLFSSL_FOUND_IDF)
message(STATUS "")
message(STATUS "WARNING: wolfSSL not found.")
message(STATUS "")
else()
# probably needs to be re-parsed by Espressif
message(STATUS "wolfSSL found IDF. Project Source:${PROJECT_SOURCE_DIR}")
endif() # else we have not found ESP-IDF yet
endif() # else not a local wolfSSL component
endif() #else not an ESP-IDF component
endif() # else not local copy and EDP-IDF wolfSSL
# RTOS_IDF_PATH is typically:
# "/Users/{username}/Desktop/esp-idf/components/freertos/include/freertos"
# depending on the environment, we may need to swap backslashes with forward slashes
string(REPLACE "\\" "/" RTOS_IDF_PATH "$ENV{IDF_PATH}/components/freertos/FreeRTOS-Kernel/include/freertos")
string(REPLACE "\\" "/" WOLFSSL_ROOT ${WOLFSSL_ROOT})
if(IS_DIRECTORY "${RTOS_IDF_PATH}")
message(STATUS "Found current RTOS path: ${RTOS_IDF_PATH}")
else()
# ESP-IDF prior version 4.4x has a different RTOS directory structure
string(REPLACE "\\" "/" RTOS_IDF_PATH "$ENV{IDF_PATH}/components/freertos/include/freertos")
if(IS_DIRECTORY "${RTOS_IDF_PATH}")
message(STATUS "Found legacy RTOS path: ${RTOS_IDF_PATH}")
else()
message(STATUS "Could not find RTOS path")
endif()
endif()
# wolfSSL-specific include directories
set(COMPONENT_ADD_INCLUDEDIRS
"./include" # this is the location of local project wolfssl user_settings.h
"\"${WOLFSSL_ROOT}/\""
"\"${WOLFSSL_ROOT}/wolfssl/\""
"\"${WOLFSSL_ROOT}/wolfssl/wolfcrypt/\""
"\"${WOLFSSL_ROOT}/wolfssl/wolfcrypt/port/Espressif\""
"\"${RTOS_IDF_PATH}/\""
)
# Optionally include cryptoauthlib if present
if(IS_DIRECTORY ${IDF_PATH}/components/cryptoauthlib)
list(APPEND COMPONENT_ADD_INCLUDEDIRS "../cryptoauthlib/lib")
endif()
list(APPEND COMPONENT_ADD_INCLUDEDIRS "\"${WOLFSSL_ROOT}/wolfssl/\"")
list(APPEND COMPONENT_ADD_INCLUDEDIRS "\"${WOLFSSL_ROOT}/wolfssl/wolfcrypt/\"")
# Some files are known to be included elsewhere, or not used for Espressif
set(COMPONENT_SRCEXCLUDE
"\"${WOLFSSL_ROOT}/src/bio.c\""
"\"${WOLFSSL_ROOT}/src/conf.c\""
"\"${WOLFSSL_ROOT}/src/misc.c\""
"\"${WOLFSSL_ROOT}/src/pk.c\""
"\"${WOLFSSL_ROOT}/src/ssl_asn1.c\"" # included by ssl.c
"\"${WOLFSSL_ROOT}/src/ssl_bn.c\"" # included by ssl.c
"\"${WOLFSSL_ROOT}/src/ssl_certman.c\"" # included by ssl.c
"\"${WOLFSSL_ROOT}/src/ssl_crypto.c\"" # included by ssl.c
"\"${WOLFSSL_ROOT}/src/ssl_misc.c\"" # included by ssl.c
"\"${WOLFSSL_ROOT}/src/x509.c\""
"\"${WOLFSSL_ROOT}/src/x509_str.c\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/evp.c\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/misc.c\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/sp_sm2_arm32.c\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/sp_sm2_arm64.c\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/sp_sm2_armthumb.c\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/sp_sm2_c32.c\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/sp_sm2_c64.c\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/sp_sm2_cortexm.c\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/sp_sm2_x86_64.c\""
"\"${WOLFSSL_ROOT}/wolfcrypt/src/sp_sm2_x86_64_asm.S\""
"\"${EXCLUDE_ASM}\""
)
spaces2list(COMPONENT_REQUIRES)
separate_arguments(COMPONENT_SRCDIRS NATIVE_COMMAND "${COMPONENT_SRCDIRS}")
separate_arguments(COMPONENT_SRCEXCLUDE NATIVE_COMMAND "${COMPONENT_SRCEXCLUDE}")
separate_arguments(COMPONENT_ADD_INCLUDEDIRS NATIVE_COMMAND "${COMPONENT_ADD_INCLUDEDIRS}")
#
# See https://docs.espressif.com/projects/esp-idf/en/latest/esp32/api-guides/build-system.html#example-component-requirements
#
message(STATUS "COMPONENT_SRCDIRS = ${COMPONENT_SRCDIRS}")
message(STATUS "COMPONENT_ADD_INCLUDEDIRS = ${COMPONENT_ADD_INCLUDEDIRS}")
message(STATUS "COMPONENT_REQUIRES = ${COMPONENT_REQUIRES}")
message(STATUS "COMPONENT_SRCEXCLUDE = ${COMPONENT_SRCEXCLUDE}")
#
# see https://docs.espressif.com/projects/esp-idf/en/stable/esp32/migration-guides/release-5.x/build-system.html?highlight=space%20path
#
set(EXTRA_COMPONENT_DIRS "${COMPONENT_SRCDIRS}")
idf_component_register(
SRC_DIRS "${COMPONENT_SRCDIRS}"
INCLUDE_DIRS "${COMPONENT_ADD_INCLUDEDIRS}"
REQUIRES "${COMPONENT_REQUIRES}"
EXCLUDE_SRCS "${COMPONENT_SRCEXCLUDE}"
PRIV_REQUIRES
"${THIS_INCLUDE_TIMER}"
"${THIS_INCLUDE_DRIVER}" # this will typically only be needed for wolfSSL benchmark
)
# Some optional diagnostics. Verbose ones are truncated.
if (VERBOSE_COMPONENT_MESSAGES)
get_cmake_property(_variableNames VARIABLES)
list (SORT _variableNames)
message(STATUS "")
message(STATUS "ALL VARIABLES BEGIN")
message(STATUS "")
foreach (_variableName ${_variableNames})
if ( ("${_variableName}" STREQUAL "bootloader_binary_files")
OR ("${_variableName}" STREQUAL "Component paths")
OR ("${_variableName}" STREQUAL "component_targets")
OR ("${_variableName}" STREQUAL "__COMPONENT_TARGETS")
OR ("${_variableName}" STREQUAL "CONFIGS_LIST")
OR ("${_variableName}" STREQUAL "__CONFIG_VARIABLES")
OR ("${_variableName}" STREQUAL "val")
OR ("${_variableName}" MATCHES "^__idf_")
)
# Truncate the displayed value:
string(SUBSTRING "${${_variableName}}" 0 70 truncatedValue)
message(STATUS "${_variableName} = ${truncatedValue} ... (truncated)")
else()
message(STATUS "${_variableName}=${${_variableName}}")
endif()
endforeach()
message(STATUS "")
message(STATUS "ALL VARIABLES END")
message(STATUS "")
endif()
# target_sources(wolfssl PRIVATE "\"${WOLFSSL_ROOT}/wolfssl/\"" "\"${WOLFSSL_ROOT}/wolfssl/wolfcrypt\"")
endif() # CMAKE_BUILD_EARLY_EXPANSION
# check to see if there's both a local copy and EDP-IDF copy of the wolfssl components
if( EXISTS "${WOLFSSL_PROJECT_DIR}" AND EXISTS "$ENV{IDF_PATH}/components/wolfssl/" )
message(STATUS "")
message(STATUS "")
message(STATUS "********************************************************************")
message(STATUS "WARNING: Found components/wolfssl in both local project and IDF_PATH")
message(STATUS "********************************************************************")
message(STATUS "")
endif()
# end multiple component check
#
# LIBWOLFSSL_SAVE_INFO(VAR_OUPUT THIS_VAR VAR_RESULT)
#
# Save the THIS_VAR as a string in a macro called VAR_OUPUT
#
# VAR_OUPUT: the name of the macro to define
# THIS_VAR: the OUTPUT_VARIABLE result from a execute_process()
# VAR_RESULT: the RESULT_VARIABLE from a execute_process(); "0" if successful.
#
function ( LIBWOLFSSL_SAVE_INFO VAR_OUPUT THIS_VAR VAR_RESULT )
# is the RESULT_VARIABLE output value 0? If so, IS_VALID_VALUE is true.
string(COMPARE EQUAL "${VAR_RESULT}" "0" IS_VALID_VALUE)
# if we had a successful operation, save the THIS_VAR in VAR_OUPUT
if(${IS_VALID_VALUE})
# strip newline chars in THIS_VAR parameter and save in VAR_VALUE
string(REPLACE "\n" "" VAR_VALUE ${THIS_VAR})
# we'll could percolate the value to the parent for possible later use
# set(${VAR_OUPUT} ${VAR_VALUE} PARENT_SCOPE)
# but we're only using it here in this function
set(${VAR_OUPUT} ${VAR_VALUE})
# we'll print what we found to the console
message(STATUS "Found ${VAR_OUPUT}=${VAR_VALUE}")
# the interesting part is defining the VAR_OUPUT name a value to use in the app
add_definitions(-D${VAR_OUPUT}=\"${VAR_VALUE}\")
else()
# if we get here, check the execute_process command and parameters.
message(STATUS "LIBWOLFSSL_SAVE_INFO encountered a non-zero VAR_RESULT")
set(${VAR_OUPUT} "Unknown")
endif()
endfunction() # LIBWOLFSSL_SAVE_INFO
# create some programmatic #define values that will be used by ShowExtendedSystemInfo().
# see wolfcrypt\src\port\Espressif\esp32_utl.c
if(NOT CMAKE_BUILD_EARLY_EXPANSION)
set (git_cmd "git")
message(STATUS "Adding macro definitions:")
# LIBWOLFSSL_VERSION_GIT_ORIGIN: git config --get remote.origin.url
execute_process(WORKING_DIRECTORY ${WOLFSSL_ROOT} COMMAND ${git_cmd} "config" "--get" "remote.origin.url" OUTPUT_VARIABLE TMP_OUT RESULT_VARIABLE TMP_RES ERROR_QUIET )
LIBWOLFSSL_SAVE_INFO(LIBWOLFSSL_VERSION_GIT_ORIGIN "${TMP_OUT}" "${TMP_RES}")
# LIBWOLFSSL_VERSION_GIT_BRANCH: git rev-parse --abbrev-ref HEAD
execute_process(WORKING_DIRECTORY ${WOLFSSL_ROOT} COMMAND ${git_cmd} "rev-parse" "--abbrev-ref" "HEAD" OUTPUT_VARIABLE TMP_OUT RESULT_VARIABLE TMP_RES ERROR_QUIET )
LIBWOLFSSL_SAVE_INFO(LIBWOLFSSL_VERSION_GIT_BRANCH "${TMP_OUT}" "${TMP_RES}")
# LIBWOLFSSL_VERSION_GIT_HASH: git rev-parse HEAD
execute_process(WORKING_DIRECTORY ${WOLFSSL_ROOT} COMMAND ${git_cmd} "rev-parse" "HEAD" OUTPUT_VARIABLE TMP_OUT RESULT_VARIABLE TMP_RES ERROR_QUIET )
LIBWOLFSSL_SAVE_INFO(LIBWOLFSSL_VERSION_GIT_HASH "${TMP_OUT}" "${TMP_RES}")
# LIBWOLFSSL_VERSION_GIT_SHORT_HASH: git rev-parse --short HEAD
execute_process(WORKING_DIRECTORY ${WOLFSSL_ROOT} COMMAND ${git_cmd} "rev-parse" "--short" "HEAD" OUTPUT_VARIABLE TMP_OUT RESULT_VARIABLE TMP_RES ERROR_QUIET )
LIBWOLFSSL_SAVE_INFO(LIBWOLFSSL_VERSION_GIT_SHORT_HASH "${TMP_OUT}" "${TMP_RES}")
# LIBWOLFSSL_VERSION_GIT_HASH_DATE git show --no-patch --no-notes --pretty=\'\%cd\'
execute_process(WORKING_DIRECTORY ${WOLFSSL_ROOT} COMMAND ${git_cmd} "show" "--no-patch" "--no-notes" "--pretty=\'\%cd\'" OUTPUT_VARIABLE TMP_OUT RESULT_VARIABLE TMP_RES )
LIBWOLFSSL_SAVE_INFO(LIBWOLFSSL_VERSION_GIT_HASH_DATE "${TMP_OUT}" "${TMP_RES}")
LIBWOLFSSL_SAVE_INFO(LIBWOLFSSL_VERSION_WOLFSSL_ROOT "${WOLFSSL_ROOT}" "${TMP_RES}")
message(STATUS "************************************************************************************************")
message(STATUS "wolfssl component config complete!")
message(STATUS "************************************************************************************************")
endif()
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