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diff --git a/CMakeLists.txt b/CMakeLists.txt
index d6368096e5..cff9157f70 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@
#
# Centos Stream 9, https://www.centos.org/cl-vs-cs/#end-of-life, EOL in May 2027:
# - CMake 3.26.5, https://mirror.stream.centos.org/9-stream/AppStream/x86_64/os/Packages/
-cmake_minimum_required(VERSION 3.22)
+cmake_minimum_required(VERSION 3.25)
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
message(FATAL_ERROR "In-source builds are not allowed.")
@@ -150,6 +150,9 @@ if(ENABLE_IPC AND WITH_EXTERNAL_LIBMULTIPROCESS)
)
endif()
+option(WITH_SYSTEM_LIBSECP256K1 "Link with system-installed libsecp256k1." OFF)
+mark_as_advanced(WITH_SYSTEM_LIBSECP256K1)
+
cmake_dependent_option(BUILD_GUI_TESTS "Build test_bitcoin-qt executable." ON "BUILD_GUI;BUILD_TESTS" OFF)
if(BUILD_GUI)
set(qt_components Core Gui Widgets LinguistTools)
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a6fb12c009..810d793ae6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -23,9 +23,50 @@ if (ENABLE_IPC AND NOT WITH_EXTERNAL_LIBMULTIPROCESS)
include(../cmake/libmultiprocess.cmake)
add_libmultiprocess(ipc/libmultiprocess)
endif()
+
+if(WITH_SYSTEM_LIBSECP256K1)
+
+find_package(PkgConfig REQUIRED)
+pkg_check_modules(libsecp256k1 REQUIRED IMPORTED_TARGET libsecp256k1)
+add_library(secp256k1 ALIAS PkgConfig::libsecp256k1)
+block()
+ string(APPEND CMAKE_REQUIRED_FLAGS " ${libsecp256k1_CFLAGS_OTHER}")
+ list(APPEND CMAKE_REQUIRED_INCLUDES ${libsecp256k1_INCLUDE_DIRS})
+ list(APPEND CMAKE_REQUIRED_LINK_OPTIONS ${libsecp256k1_LDFLAGS})
+ list(APPEND CMAKE_REQUIRED_LIBRARIES ${libsecp256k1_LIBRARIES})
+ unset(missing_modules)
+ include(CheckSymbolExists)
+ macro(check_secp256k1_module module symbol)
+ string(TOUPPER "${symbol}" VAR)
+ set(VAR "libsecp256k1_HAS_${VAR}")
+ unset(${VAR})
+ check_symbol_exists("${symbol}" "secp256k1_${module}.h" ${VAR})
+ if(NOT ${VAR})
+ list(APPEND missing_modules "${module}")
+ endif()
+ endmacro()
+ message(CHECK_START "Checking for required libsecp256k1 modules")
+ list(APPEND CMAKE_MESSAGE_INDENT " ")
+ check_secp256k1_module(ellswift secp256k1_ellswift_create)
+ check_secp256k1_module(extrakeys secp256k1_xonly_pubkey_parse)
+ check_secp256k1_module(musig secp256k1_musig_pubnonce_parse)
+ check_secp256k1_module(recovery secp256k1_ecdsa_recover)
+ check_secp256k1_module(schnorrsig secp256k1_schnorrsig_verify)
+ list(POP_BACK CMAKE_MESSAGE_INDENT)
+ if(missing_modules)
+ list(JOIN missing_modules ", " missing_modules)
+ message(FATAL_ERROR "System-installed libsecp256k1 lacks these required modules: ${missing_modules}.")
+ endif()
+ message(CHECK_PASS "all were found")
+endblock()
+
+else() # !WITH_SYSTEM_LIBSECP256K1
+
include(../cmake/secp256k1.cmake)
add_secp256k1(secp256k1)
+endif() # !WITH_SYSTEM_LIBSECP256K1
+
# Set top-level target output locations.
if(NOT CMAKE_RUNTIME_OUTPUT_DIRECTORY)
set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR}/bin)
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