--- /dev/null +++ b/cmake/FindLibunwind.cmake @@ -0,0 +1,54 @@ +# - Try to find libunwind +# Once done this will define +# +# Libunwind_FOUND - system has libunwind +# unwind - cmake target for libunwind + +find_library (UNWIND_LIBRARY NAMES unwind DOC "unwind library") +include (CheckIncludeFile) +check_include_file (libunwind.h HAVE_LIBUNWIND_H) +check_include_file (unwind.h HAVE_UNWIND_H) + +if (CMAKE_SYSTEM_PROCESSOR MATCHES "^arm") + set(LIBUNWIND_ARCH "arm") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64") + set(LIBUNWIND_ARCH "aarch64") +elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR + CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64" OR + CMAKE_SYSTEM_PROCESSOR STREQUAL "corei7-64") + set(LIBUNWIND_ARCH "x86_64") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^i.86$") + set(LIBUNWIND_ARCH "x86") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc64") + set(LIBUNWIND_ARCH "ppc64") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc") + set(LIBUNWIND_ARCH "ppc32") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^mips") + set(LIBUNWIND_ARCH "mips") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^hppa") + set(LIBUNWIND_ARCH "hppa") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^ia64") + set(LIBUNWIND_ARCH "ia64") +endif() + +find_library (UNWIND_LIBRARY_PLATFORM NAMES "unwind-${LIBUNWIND_ARCH}" DOC "unwind library platform") +if (UNWIND_LIBRARY_PLATFORM) + set(HAVE_LIB_UNWIND "1") +endif() + +include(FindPackageHandleStandardArgs) +# handle the QUIETLY and REQUIRED arguments and set Libunwind_FOUND to TRUE +# if all listed variables are TRUE +find_package_handle_standard_args(Libunwind DEFAULT_MSG + UNWIND_LIBRARY HAVE_LIBUNWIND_H HAVE_UNWIND_H HAVE_LIB_UNWIND) + +mark_as_advanced (UNWIND_LIBRARY UNWIND_LIBRARY_PLATFORM) + +if (Libunwind_FOUND) + add_library(unwind INTERFACE IMPORTED) + set_target_properties(unwind PROPERTIES + INTERFACE_LINK_LIBRARIES "${UNWIND_LIBRARY};${UNWIND_LIBRARY_PLATFORM}" + ) +else() + message("Can't find libunwind library") +endif() --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -64,7 +64,6 @@ check_include_file (dlfcn.h HAVE_DLFCN_H check_include_file (execinfo.h HAVE_EXECINFO_H) check_include_file (glob.h HAVE_GLOB_H) check_include_file (inttypes.h HAVE_INTTYPES_H) -check_include_file (libunwind.h HAVE_LIBUNWIND_H) check_include_file (memory.h HAVE_MEMORY_H) check_include_file (pwd.h HAVE_PWD_H) check_include_file (stdint.h HAVE_STDINT_H) @@ -80,7 +79,6 @@ check_include_file (syscall.h HAVE_SYSCA check_include_file (syslog.h HAVE_SYSLOG_H) check_include_file (ucontext.h HAVE_UCONTEXT_H) check_include_file (unistd.h HAVE_UNISTD_H) -check_include_file (unwind.h HAVE_UNWIND_H) check_include_file (pwd.h HAVE_PWD_H) check_include_file_cxx ("ext/hash_map" HAVE_EXT_HASH_MAP) @@ -116,11 +114,9 @@ check_cxx_compiler_flag (-Wunnamed-type- # snprintf as an inline function check_symbol_exists (snprintf stdio.h HAVE_SNPRINTF) -check_library_exists (unwind get_static_proc_name "" HAVE_LIB_UNWIND) check_library_exists (dbghelp UnDecorateSymbolName "" HAVE_DBGHELP) -find_library (UNWIND_LIBRARY NAMES unwind DOC "unwind library") -mark_as_advanced (UNWIND_LIBRARY) +find_package(Libunwind) check_c_source_compiles (" #include @@ -471,9 +467,9 @@ add_library(glog::glog ALIAS glog) set_target_properties (glog PROPERTIES POSITION_INDEPENDENT_CODE ON) -if (UNWIND_LIBRARY) - target_link_libraries (glog PUBLIC ${UNWIND_LIBRARY}) -endif (UNWIND_LIBRARY) +if (Libunwind_FOUND) + target_link_libraries (glog PUBLIC unwind) +endif (Libunwind_FOUND) if (HAVE_DBGHELP) target_link_libraries (glog PUBLIC dbghelp) @@ -678,6 +674,7 @@ export (PACKAGE glog) install (FILES ${CMAKE_CURRENT_BINARY_DIR}/glog-config.cmake ${CMAKE_CURRENT_BINARY_DIR}/glog-config-version.cmake + ${CMAKE_CURRENT_SOURCE_DIR}/cmake/FindLibunwind.cmake DESTINATION ${_glog_CMake_INSTALLDIR}) install (EXPORT glog-targets NAMESPACE glog:: DESTINATION --- a/glog-config.cmake.in +++ b/glog-config.cmake.in @@ -8,4 +8,6 @@ include (CMakeFindDependencyMacro) @gflags_DEPENDENCY@ +find_dependency (Libunwind) + include ("${CMAKE_CURRENT_LIST_DIR}/glog-targets.cmake")