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# CMakeList.txt : CMake project for noscrypt, include source and define
# project specific logic here.
#
cmake_minimum_required (VERSION 3.10)
project(noscrypt C)
option(BUILD_TESTS "Build tests" TRUE)
set(NOSCRYPT_SRCS
"src/noscrypt.c"
)
set(NOSCRYPT_HEADERS
"src/noscrypt.h"
)
include_directories(include)
#static/shared library
add_library(${CMAKE_PROJECT_NAME} SHARED ${NOSCRYPT_SRCS} ${NOSCRYPT_HEADERS})
add_library(${CMAKE_PROJECT_NAME}_static STATIC ${NOSCRYPT_SRCS} ${NOSCRYPT_HEADERS})
#Setup the compiler options for c90 shared library
set(CMAKE_C_STANDARD 90)
set(CMAKE_C_STANDARD_REQUIRED ON)
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
target_compile_features(${CMAKE_PROJECT_NAME} PUBLIC c_std_90)
#if debug
add_compile_definitions($<$<CONFIG:Debug>:DEBUG>)
#when building we are in libary mode, we need to export our symbols
add_compile_definitions(NOSCRYPT_EXPORTING)
#setup flags for windows compilation
if(MSVC)
#global windows cl flags
add_compile_options(
/sdl #enable additional security checks
/TC #compile as c
/GS #buffer security check
$<$<CONFIG:Debug>:/FC> #show full path in diagnostics
$<$<CONFIG:Debug>:/showIncludes> #show a list of all included header files during build
$<$<CONFIG:Debug>:/wd4820> #disable warnings for struct padding and spectre mitigation wuen WX is enabled
$<$<CONFIG:Debug>:/wd5045> #disable warnings for spectre mitigation insertion
#for debug configs
$<$<CONFIG:Debug>:/options:strict>
$<$<CONFIG:Debug>:/Wall> #enable all warnings
$<$<CONFIG:Debug>:/WX> #warnings as errors (only for our project)
$<$<CONFIG:Debug>:/Zi> #enable rich debug info
$<$<CONFIG:Debug>:/Zo>
)
#set build macros
add_compile_definitions(
$<$<CONFIG:DEBUG>:DEBUG>
$<$<CONFIG:RELEASE>:RELEASE>
)
#configure gcc flags
elseif(CMAKE_COMPILER_IS_GNUCC)
add_compile_options(
-Wextra
-fstack-protector
$<$<CONFIG:Debug>:-g>
$<$<CONFIG:Debug>:-Og>
$<$<CONFIG:Debug>:-Wall>
$<$<CONFIG:Debug>:-Werror>
$<$<CONFIG:Debug>:-Wall>
$<$<CONFIG:Debug>:-pedantic>
)
endif()
# Setup secp256k1 shared libary
unset(SECP256K1_LIB CACHE)
find_library(SECP256K1_LIB
NAMES secp256k1 libsecp256k1 lib_secp256k1
PATHS ${LOCAL_SECP256K1_DIR}/src
)
if(NOT SECP256K1_LIB)
message(FATAL_ERROR "secp256k1 library not found on local system")
endif()
message(STATUS "secp256k1 library found at ${SECP256K1_LIB}")
target_link_libraries(${CMAKE_PROJECT_NAME} ${SECP256K1_LIB})
#link mbedtls and mbedcrypto shared libraries
unset(MBEDCRYPTO_LIB CACHE)
unset(MBEDTLS_LIB CACHE)
find_library(MBEDTLS_LIB
NAMES mbedtls libmbedtls
PATHS ${LOCAL_MBEDTLS_DIR}/library
)
find_library(MBEDCRYPTO_LIB
NAMES mbedcrypto libmbedcrypto
PATHS ${LOCAL_MBEDTLS_DIR}/library
)
if(NOT MBEDCRYPTO_LIB)
message(FATAL_ERROR "mbedcrypto library not found on local system")
endif()
if(NOT MBEDTLS_LIB)
message(FATAL_ERROR "mbedtls library not found on local system")
endif()
message(STATUS "mbedtls library found at ${MBEDTLS_LIB}")
message(STATUS "mbedcrypto library found at ${MBEDCRYPTO_LIB}")
target_link_libraries(${CMAKE_PROJECT_NAME} ${MBEDCRYPTO_LIB} ${MBEDTLS_LIB})
#TESTS
if(BUILD_TESTS)
#add test executable and link to library
add_executable(nctest tests/test.c)
target_link_libraries(nctest ${CMAKE_PROJECT_NAME})
#link mbedtls crypto shared library directly
target_link_libraries(nctest ${MBEDCRYPTO_LIB} ${MBEDTLS_LIB})
target_include_directories(nctest PRIVATE "src")
#enable c11 for testing
target_compile_features(nctest PRIVATE c_std_11)
endif()
# Enable Hot Reload for MSVC compilers if supported.
if (POLICY CMP0141)
cmake_policy(SET CMP0141 NEW)
set(CMAKE_MSVC_DEBUG_INFORMATION_FORMAT "$<IF:$<AND:$<C_COMPILER_ID:MSVC>,$<CXX_COMPILER_ID:MSVC>>,$<$<CONFIG:Debug,RelWithDebInfo>:EditAndContinue>,$<$<CONFIG:Debug,RelWithDebInfo>:ProgramDatabase>>")
endif()
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