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CMakeLists.txt: Add support for compiling with either openssl or libsecp256k1 as EC library

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This commit is contained in:
Henrik Hautakoski 2023-03-14 20:59:49 +01:00
parent 54fc8614ef
commit f920c7edee
1 changed files with 27 additions and 7 deletions
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34
CMakeLists.txt
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@ -38,6 +38,11 @@ set( CMAKE_CXX_EXTENSIONS OFF )
# Adding this flag makes the compiler not spam warnings.
add_compile_options(-D OPENSSL_API_COMPAT=0x10100000L)
# --------------------------------
# Options
# --------------------------------
set(EC_LIB "libsecp256k1" CACHE STRING "What elliptic curve implementation to use")
# --------------------------------
# Library
# --------------------------------
@ -48,17 +53,31 @@ set( LIB_SOURCE
src/base58.cpp
src/ec.cpp
src/WIF.cpp
src/openssl/hash.cpp
)
# OpenSSL
include(OpenSSL)
set (LIB_SOURCE ${LIB_SOURCE}
src/openssl/ec.cpp
src/openssl/ecdsa.cpp
src/openssl/hash.cpp
src/openssl/helpers.c
src/openssl/recovery.c
)
# EC Implementation
if (${EC_LIB} STREQUAL "libsecp256k1")
add_subdirectory( vendor/secp256k1 )
# Note: this is a big hack to get cmake to not export this library.
# Must be a better way, but works so cba.
LIST(APPEND LIB_PRIVATE_INCLUDE $<BUILD_INTERFACE:$<TARGET_PROPERTY:secp256k1,INCLUDE_DIRECTORIES>>)
LIST(APPEND LIB_SOURCE src/libsecp256k1/ec.cpp $<TARGET_OBJECTS:secp256k1>)
elseif (${EC_LIB} STREQUAL "openssl")
LIST(APPEND LIB_SOURCE
src/openssl/ec.cpp
src/openssl/ecdsa.cpp
src/openssl/helpers.c
src/openssl/recovery.c
)
else()
message(FATAL_ERROR "Invalid ec implementation: " ${EC_LIB})
endif()
add_library( ${LIB_NAME} STATIC ${LIB_SOURCE} )
@ -73,6 +92,7 @@ target_link_libraries( ${LIB_NAME}
)
target_include_directories( ${LIB_NAME}
PRIVATE ${LIB_PRIVATE_INCLUDE}
PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_LIST_DIR}/include>
$<INSTALL_INTERFACE:include>