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Diffstat (limited to 'contrib/backward-cpp/BackwardConfig.cmake')
| -rw-r--r-- | contrib/backward-cpp/BackwardConfig.cmake | 247 |
1 files changed, 247 insertions, 0 deletions
diff --git a/contrib/backward-cpp/BackwardConfig.cmake b/contrib/backward-cpp/BackwardConfig.cmake new file mode 100644 index 000000000..a982adcd6 --- /dev/null +++ b/contrib/backward-cpp/BackwardConfig.cmake @@ -0,0 +1,247 @@ +# +# BackwardMacros.cmake +# Copyright 2013 Google Inc. All Rights Reserved. +# +# Permission is hereby granted, free of charge, to any person obtaining a copy +# of this software and associated documentation files (the "Software"), to deal +# in the Software without restriction, including without limitation the rights +# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +# copies of the Software, and to permit persons to whom the Software is +# furnished to do so, subject to the following conditions: +# +# The above copyright notice and this permission notice shall be included in +# all copies or substantial portions of the Software. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +# SOFTWARE. + +############################################################################### +# OPTIONS +############################################################################### + +set(STACK_WALKING_UNWIND TRUE CACHE BOOL + "Use compiler's unwind API") +set(STACK_WALKING_BACKTRACE FALSE CACHE BOOL + "Use backtrace from (e)glibc for stack walking") +set(STACK_WALKING_LIBUNWIND FALSE CACHE BOOL + "Use libunwind for stack walking") + +set(STACK_DETAILS_AUTO_DETECT TRUE CACHE BOOL + "Auto detect backward's stack details dependencies") + +set(STACK_DETAILS_BACKTRACE_SYMBOL FALSE CACHE BOOL + "Use backtrace from (e)glibc for symbols resolution") +set(STACK_DETAILS_DW FALSE CACHE BOOL + "Use libdw to read debug info") +set(STACK_DETAILS_BFD FALSE CACHE BOOL + "Use libbfd to read debug info") +set(STACK_DETAILS_DWARF FALSE CACHE BOOL + "Use libdwarf/libelf to read debug info") + +if(CMAKE_SOURCE_DIR STREQUAL CMAKE_CURRENT_SOURCE_DIR AND NOT DEFINED BACKWARD_TESTS) + # If this is a top level CMake project, we most lixely want the tests + set(BACKWARD_TESTS ON CACHE BOOL "Enable tests") +else() + set(BACKWARD_TESTS OFF CACHE BOOL "Enable tests") +endif() +############################################################################### +# CONFIGS +############################################################################### +include(FindPackageHandleStandardArgs) + +if (STACK_WALKING_LIBUNWIND) + # libunwind works on the macOS without having to add special include + # paths or libraries + if (NOT APPLE) + find_path(LIBUNWIND_INCLUDE_DIR NAMES "libunwind.h") + find_library(LIBUNWIND_LIBRARY unwind) + + if (LIBUNWIND_LIBRARY) + include(CheckSymbolExists) + check_symbol_exists(UNW_INIT_SIGNAL_FRAME libunwind.h HAVE_UNW_INIT_SIGNAL_FRAME) + if (NOT HAVE_UNW_INIT_SIGNAL_FRAME) + message(STATUS "libunwind does not support unwinding from signal handler frames") + endif() + endif() + + set(LIBUNWIND_INCLUDE_DIRS ${LIBUNWIND_INCLUDE_DIR}) + set(LIBDWARF_LIBRARIES ${LIBUNWIND_LIBRARY}) + find_package_handle_standard_args(libunwind DEFAULT_MSG + LIBUNWIND_LIBRARY LIBUNWIND_INCLUDE_DIR) + mark_as_advanced(LIBUNWIND_INCLUDE_DIR LIBUNWIND_LIBRARY) + list(APPEND _BACKWARD_LIBRARIES ${LIBUNWIND_LIBRARY}) + endif() + + # Disable other unwinders if libunwind is found + set(STACK_WALKING_UNWIND FALSE) + set(STACK_WALKING_BACKTRACE FALSE) +endif() + +if (${STACK_DETAILS_AUTO_DETECT}) + if(NOT CMAKE_VERSION VERSION_LESS 3.17) + set(_name_mismatched_arg NAME_MISMATCHED) + endif() + # find libdw + find_path(LIBDW_INCLUDE_DIR NAMES "elfutils/libdw.h" "elfutils/libdwfl.h") + find_library(LIBDW_LIBRARY dw) + set(LIBDW_INCLUDE_DIRS ${LIBDW_INCLUDE_DIR} ) + set(LIBDW_LIBRARIES ${LIBDW_LIBRARY} ) + find_package_handle_standard_args(libdw ${_name_mismatched_arg} + REQUIRED_VARS LIBDW_LIBRARY LIBDW_INCLUDE_DIR) + mark_as_advanced(LIBDW_INCLUDE_DIR LIBDW_LIBRARY) + + # find libbfd + find_path(LIBBFD_INCLUDE_DIR NAMES "bfd.h") + find_path(LIBDL_INCLUDE_DIR NAMES "dlfcn.h") + find_library(LIBBFD_LIBRARY bfd) + find_library(LIBDL_LIBRARY dl) + set(LIBBFD_INCLUDE_DIRS ${LIBBFD_INCLUDE_DIR} ${LIBDL_INCLUDE_DIR}) + set(LIBBFD_LIBRARIES ${LIBBFD_LIBRARY} ${LIBDL_LIBRARY}) + find_package_handle_standard_args(libbfd ${_name_mismatched_arg} + REQUIRED_VARS LIBBFD_LIBRARY LIBBFD_INCLUDE_DIR + LIBDL_LIBRARY LIBDL_INCLUDE_DIR) + mark_as_advanced(LIBBFD_INCLUDE_DIR LIBBFD_LIBRARY + LIBDL_INCLUDE_DIR LIBDL_LIBRARY) + + # find libdwarf + find_path(LIBDWARF_INCLUDE_DIR NAMES "libdwarf.h" PATH_SUFFIXES libdwarf) + find_path(LIBELF_INCLUDE_DIR NAMES "libelf.h") + find_path(LIBDL_INCLUDE_DIR NAMES "dlfcn.h") + find_library(LIBDWARF_LIBRARY dwarf) + find_library(LIBELF_LIBRARY elf) + find_library(LIBDL_LIBRARY dl) + set(LIBDWARF_INCLUDE_DIRS ${LIBDWARF_INCLUDE_DIR} ${LIBELF_INCLUDE_DIR} ${LIBDL_INCLUDE_DIR}) + set(LIBDWARF_LIBRARIES ${LIBDWARF_LIBRARY} ${LIBELF_LIBRARY} ${LIBDL_LIBRARY}) + find_package_handle_standard_args(libdwarf ${_name_mismatched_arg} + REQUIRED_VARS LIBDWARF_LIBRARY LIBDWARF_INCLUDE_DIR + LIBELF_LIBRARY LIBELF_INCLUDE_DIR + LIBDL_LIBRARY LIBDL_INCLUDE_DIR) + mark_as_advanced(LIBDWARF_INCLUDE_DIR LIBDWARF_LIBRARY + LIBELF_INCLUDE_DIR LIBELF_LIBRARY + LIBDL_INCLUDE_DIR LIBDL_LIBRARY) + + if (LIBDW_FOUND) + LIST(APPEND _BACKWARD_INCLUDE_DIRS ${LIBDW_INCLUDE_DIRS}) + LIST(APPEND _BACKWARD_LIBRARIES ${LIBDW_LIBRARIES}) + set(STACK_DETAILS_DW TRUE) + set(STACK_DETAILS_BFD FALSE) + set(STACK_DETAILS_DWARF FALSE) + set(STACK_DETAILS_BACKTRACE_SYMBOL FALSE) + elseif(LIBBFD_FOUND) + LIST(APPEND _BACKWARD_INCLUDE_DIRS ${LIBBFD_INCLUDE_DIRS}) + LIST(APPEND _BACKWARD_LIBRARIES ${LIBBFD_LIBRARIES}) + + # If we attempt to link against static bfd, make sure to link its dependencies, too + get_filename_component(bfd_lib_ext "${LIBBFD_LIBRARY}" EXT) + if (bfd_lib_ext STREQUAL "${CMAKE_STATIC_LIBRARY_SUFFIX}") + list(APPEND _BACKWARD_LIBRARIES iberty z) + endif() + + set(STACK_DETAILS_DW FALSE) + set(STACK_DETAILS_BFD TRUE) + set(STACK_DETAILS_DWARF FALSE) + set(STACK_DETAILS_BACKTRACE_SYMBOL FALSE) + elseif(LIBDWARF_FOUND) + LIST(APPEND _BACKWARD_INCLUDE_DIRS ${LIBDWARF_INCLUDE_DIRS}) + LIST(APPEND _BACKWARD_LIBRARIES ${LIBDWARF_LIBRARIES}) + + set(STACK_DETAILS_DW FALSE) + set(STACK_DETAILS_BFD FALSE) + set(STACK_DETAILS_DWARF TRUE) + set(STACK_DETAILS_BACKTRACE_SYMBOL FALSE) + else() + set(STACK_DETAILS_DW FALSE) + set(STACK_DETAILS_BFD FALSE) + set(STACK_DETAILS_DWARF FALSE) + set(STACK_DETAILS_BACKTRACE_SYMBOL TRUE) + endif() +else() + if (STACK_DETAILS_DW) + LIST(APPEND _BACKWARD_LIBRARIES dw) + endif() + + if (STACK_DETAILS_BFD) + LIST(APPEND _BACKWARD_LIBRARIES bfd dl) + endif() + + if (STACK_DETAILS_DWARF) + LIST(APPEND _BACKWARD_LIBRARIES dwarf elf) + endif() +endif() + +macro(map_definitions var_prefix define_prefix) + foreach(def ${ARGN}) + if (${${var_prefix}${def}}) + LIST(APPEND _BACKWARD_DEFINITIONS "${define_prefix}${def}=1") + else() + LIST(APPEND _BACKWARD_DEFINITIONS "${define_prefix}${def}=0") + endif() + endforeach() +endmacro() + +if (NOT _BACKWARD_DEFINITIONS) + map_definitions("STACK_WALKING_" "BACKWARD_HAS_" UNWIND LIBUNWIND BACKTRACE) + map_definitions("STACK_DETAILS_" "BACKWARD_HAS_" BACKTRACE_SYMBOL DW BFD DWARF) +endif() + +if(WIN32) + list(APPEND _BACKWARD_LIBRARIES dbghelp psapi) + if(MINGW) + set(MINGW_MSVCR_LIBRARY "msvcr90$<$<CONFIG:DEBUG>:d>" CACHE STRING "Mingw MSVC runtime import library") + list(APPEND _BACKWARD_LIBRARIES ${MINGW_MSVCR_LIBRARY}) + endif() +endif() + +set(BACKWARD_INCLUDE_DIR "${CMAKE_CURRENT_LIST_DIR}") + +set(BACKWARD_HAS_EXTERNAL_LIBRARIES FALSE) +set(FIND_PACKAGE_REQUIRED_VARS BACKWARD_INCLUDE_DIR) +if(DEFINED _BACKWARD_LIBRARIES) + set(BACKWARD_HAS_EXTERNAL_LIBRARIES TRUE) + list(APPEND FIND_PACKAGE_REQUIRED_VARS _BACKWARD_LIBRARIES) +endif() + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(Backward + REQUIRED_VARS ${FIND_PACKAGE_REQUIRED_VARS} +) +list(APPEND _BACKWARD_INCLUDE_DIRS ${BACKWARD_INCLUDE_DIR}) + +macro(add_backward target) + target_include_directories(${target} PRIVATE ${BACKWARD_INCLUDE_DIRS}) + set_property(TARGET ${target} APPEND PROPERTY COMPILE_DEFINITIONS ${BACKWARD_DEFINITIONS}) + set_property(TARGET ${target} APPEND PROPERTY LINK_LIBRARIES ${BACKWARD_LIBRARIES}) +endmacro() + +set(BACKWARD_INCLUDE_DIRS ${_BACKWARD_INCLUDE_DIRS} CACHE INTERNAL "_BACKWARD_INCLUDE_DIRS") +set(BACKWARD_DEFINITIONS ${_BACKWARD_DEFINITIONS} CACHE INTERNAL "BACKWARD_DEFINITIONS") +set(BACKWARD_LIBRARIES ${_BACKWARD_LIBRARIES} CACHE INTERNAL "BACKWARD_LIBRARIES") +mark_as_advanced(BACKWARD_INCLUDE_DIRS BACKWARD_DEFINITIONS BACKWARD_LIBRARIES) + +# Expand each definition in BACKWARD_DEFINITIONS to its own cmake var and export +# to outer scope +foreach(var ${BACKWARD_DEFINITIONS}) + string(REPLACE "=" ";" var_as_list ${var}) + list(GET var_as_list 0 var_name) + list(GET var_as_list 1 var_value) + set(${var_name} ${var_value}) + mark_as_advanced(${var_name}) +endforeach() + +if (NOT TARGET Backward::Backward) + add_library(Backward::Backward INTERFACE IMPORTED) + set_target_properties(Backward::Backward PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES "${BACKWARD_INCLUDE_DIRS}" + INTERFACE_COMPILE_DEFINITIONS "${BACKWARD_DEFINITIONS}" + ) + if(BACKWARD_HAS_EXTERNAL_LIBRARIES) + set_target_properties(Backward::Backward PROPERTIES + INTERFACE_LINK_LIBRARIES "${BACKWARD_LIBRARIES}" + ) + endif() +endif() |