1# Copyright (c) 2023-present The Bitcoin Core developers
2# Distributed under the MIT software license, see the accompanying
3# file COPYING or https://opensource.org/license/mit/.
4
5# This file is expected to be highly volatile and may still change substantially.
6
7# If CMAKE_SYSTEM_NAME is set within a toolchain file, CMake will also
8# set CMAKE_CROSSCOMPILING to TRUE, even if CMAKE_SYSTEM_NAME matches
9# CMAKE_HOST_SYSTEM_NAME. To avoid potential misconfiguration of CMake,
10# it is best not to touch CMAKE_SYSTEM_NAME unless cross-compiling is
11# intended.
12if(@depends_crosscompiling@)
13  set(CMAKE_SYSTEM_NAME @host_system_name@)
14  set(CMAKE_SYSTEM_VERSION @host_system_version@)
15  set(CMAKE_SYSTEM_PROCESSOR @host_arch@)
16
17  set(CMAKE_C_COMPILER_TARGET @host@)
18  set(CMAKE_CXX_COMPILER_TARGET @host@)
19  set(CMAKE_OBJCXX_COMPILER_TARGET @host@)
20endif()
21
22if(NOT DEFINED CMAKE_C_FLAGS_INIT)
23  set(CMAKE_C_FLAGS_INIT "@CFLAGS@")
24endif()
25if(NOT DEFINED CMAKE_C_FLAGS_RELWITHDEBINFO_INIT)
26  set(CMAKE_C_FLAGS_RELWITHDEBINFO_INIT "@CFLAGS_RELEASE@")
27endif()
28if(NOT DEFINED CMAKE_C_FLAGS_DEBUG_INIT)
29  set(CMAKE_C_FLAGS_DEBUG_INIT "@CFLAGS_DEBUG@")
30endif()
31
32if(NOT DEFINED CMAKE_C_COMPILER)
33  set(CMAKE_C_COMPILER @CC@)
34endif()
35
36if(NOT DEFINED CMAKE_CXX_FLAGS_INIT)
37  set(CMAKE_CXX_FLAGS_INIT "@CXXFLAGS@")
38  set(CMAKE_OBJCXX_FLAGS_INIT "@CXXFLAGS@")
39endif()
40if(NOT DEFINED CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT)
41  set(CMAKE_CXX_FLAGS_RELWITHDEBINFO_INIT "@CXXFLAGS_RELEASE@")
42  set(CMAKE_OBJCXX_FLAGS_RELWITHDEBINFO_INIT "@CXXFLAGS_RELEASE@")
43endif()
44if(NOT DEFINED CMAKE_CXX_FLAGS_DEBUG_INIT)
45  set(CMAKE_CXX_FLAGS_DEBUG_INIT "@CXXFLAGS_DEBUG@")
46  set(CMAKE_OBJCXX_FLAGS_DEBUG_INIT "@CXXFLAGS_DEBUG@")
47endif()
48
49if(NOT DEFINED CMAKE_CXX_COMPILER)
50  set(CMAKE_CXX_COMPILER @CXX@)
51  set(CMAKE_OBJCXX_COMPILER ${CMAKE_CXX_COMPILER})
52endif()
53
54# The DEPENDS_COMPILE_DEFINITIONS* variables are to be treated as lists.
55set(DEPENDS_COMPILE_DEFINITIONS @CPPFLAGS@)
56set(DEPENDS_COMPILE_DEFINITIONS_RELWITHDEBINFO @CPPFLAGS_RELEASE@)
57set(DEPENDS_COMPILE_DEFINITIONS_DEBUG @CPPFLAGS_DEBUG@)
58
59if(NOT DEFINED CMAKE_EXE_LINKER_FLAGS_INIT)
60  set(CMAKE_EXE_LINKER_FLAGS_INIT "@LDFLAGS@")
61endif()
62if(NOT DEFINED CMAKE_SHARED_LINKER_FLAGS_INIT)
63  set(CMAKE_SHARED_LINKER_FLAGS_INIT "@LDFLAGS@")
64endif()
65if(NOT DEFINED CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO_INIT)
66  set(CMAKE_EXE_LINKER_FLAGS_RELWITHDEBINFO_INIT "@LDFLAGS_RELEASE@")
67endif()
68if(NOT DEFINED CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO_INIT)
69  set(CMAKE_SHARED_LINKER_FLAGS_RELWITHDEBINFO_INIT "@LDFLAGS_RELEASE@")
70endif()
71if(NOT DEFINED CMAKE_EXE_LINKER_FLAGS_DEBUG_INIT)
72  set(CMAKE_EXE_LINKER_FLAGS_DEBUG_INIT "@LDFLAGS_DEBUG@")
73endif()
74if(NOT DEFINED CMAKE_SHARED_LINKER_FLAGS_DEBUG_INIT)
75  set(CMAKE_SHARED_LINKER_FLAGS_DEBUG_INIT "@LDFLAGS_DEBUG@")
76endif()
77
78set(CMAKE_AR "@AR@")
79set(CMAKE_RANLIB "@RANLIB@")
80set(CMAKE_STRIP "@STRIP@")
81set(CMAKE_OBJCOPY "@OBJCOPY@")
82set(CMAKE_OBJDUMP "@OBJDUMP@")
83
84# Using our own built dependencies should not be
85# affected by a potentially random environment.
86set(CMAKE_FIND_USE_CMAKE_ENVIRONMENT_PATH OFF)
87
88set(CMAKE_FIND_ROOT_PATH "${CMAKE_CURRENT_LIST_DIR}")
89set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
90set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
91set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
92set(CMAKE_FIND_ROOT_PATH_MODE_PACKAGE ONLY)
93set(QT_TRANSLATIONS_DIR "${CMAKE_CURRENT_LIST_DIR}/translations")
94
95# The following is only necessary when using cmake from Nix or NixOS, because
96# Nix patches cmake to remove the root directory `/` from
97# CMAKE_SYSTEM_PREFIX_PATH. Adding it back is harmless on other platforms and
98# necessary on Nix because without it cmake find_path, find_package, etc
99# functions do not know where to look in CMAKE_FIND_ROOT_PATH for dependencies
100# (https://github.com/bitcoin/bitcoin/issues/32428).
101#
102# TODO: longer term, it may be possible to use a dependency provider, which
103# would bring the find_package calls completely under our control, making this
104# patch unnecessary.
105#
106# Make sure we only append once, as this file may be called repeatedly.
107if(NOT "/" IN_LIST CMAKE_PREFIX_PATH)
108  list(APPEND CMAKE_PREFIX_PATH "/")
109endif()
110
111if(CMAKE_SYSTEM_NAME STREQUAL "Darwin" AND NOT CMAKE_HOST_APPLE)
112  # The find_package(Qt ...) function internally uses find_library()
113  # calls for all dependencies to ensure their availability.
114  # In turn, the find_library() inspects the well-known locations
115  # on the file system; therefore, a hint is required.
116  set(CMAKE_FRAMEWORK_PATH "@OSX_SDK@/System/Library/Frameworks")
117endif()
118
119
120if(CMAKE_SYSTEM_NAME MATCHES "^(Linux|FreeBSD|OpenBSD)$")
121  # Customize pkg-config behavior for finding dependencies
122  # of the xcb QPA platform plugin:
123  # 1. Restrict search paths to the depends.
124  # 2. Make output suitable for static linking.
125  cmake_path(APPEND CMAKE_CURRENT_LIST_DIR "lib" "pkgconfig" OUTPUT_VARIABLE pkg_config_path)
126  set(ENV{PKG_CONFIG_PATH} ${pkg_config_path})
127  set(ENV{PKG_CONFIG_LIBDIR} ${pkg_config_path})
128  unset(pkg_config_path)
129  set(PKG_CONFIG_ARGN --static)
130endif()
131
132
133# Set configuration options for the main build system.
134# The depends/Makefile can generate values with "not-set"
135# semantics as empty strings or strings containing only spaces.
136# Therefore, MATCHES must be used rather than STREQUAL.
137if("@qt_packages@" MATCHES "^[ ]*$")
138  set(BUILD_GUI OFF CACHE BOOL "")
139else()
140  set(BUILD_GUI ON CACHE BOOL "")
141  set(Qt6_ROOT "${CMAKE_CURRENT_LIST_DIR}" CACHE PATH "")
142endif()
143
144if("@qrencode_packages@" MATCHES "^[ ]*$")
145  set(WITH_QRENCODE OFF CACHE BOOL "")
146else()
147  set(WITH_QRENCODE ON CACHE BOOL "")
148endif()
149
150if("@zmq_packages@" MATCHES "^[ ]*$")
151  set(WITH_ZMQ OFF CACHE BOOL "")
152else()
153  set(WITH_ZMQ ON CACHE BOOL "")
154endif()
155
156if("@wallet_packages@" MATCHES "^[ ]*$")
157  set(ENABLE_WALLET OFF CACHE BOOL "")
158else()
159  set(ENABLE_WALLET ON CACHE BOOL "")
160endif()
161
162if("@usdt_packages@" MATCHES "^[ ]*$")
163  set(WITH_USDT OFF CACHE BOOL "")
164else()
165  set(WITH_USDT ON CACHE BOOL "")
166  set(USDT_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}/systemtap/include" CACHE PATH "")
167endif()
168
169set(ipc_packages @ipc_packages@)
170if("${ipc_packages}" STREQUAL "")
171  set(ENABLE_IPC OFF CACHE BOOL "")
172else()
173  set(ENABLE_IPC ON CACHE BOOL "")
174  set(MPGEN_EXECUTABLE "${CMAKE_CURRENT_LIST_DIR}/native/bin/mpgen" CACHE FILEPATH "")
175  set(CAPNP_EXECUTABLE "${CMAKE_CURRENT_LIST_DIR}/native/bin/capnp" CACHE FILEPATH "")
176  set(CAPNPC_CXX_EXECUTABLE "${CMAKE_CURRENT_LIST_DIR}/native/bin/capnpc-c++" CACHE FILEPATH "")
177endif()
178