diff options
| author | Vincent Ambo <tazjin@google.com> | 2020-05-27T00·26+0100 |
|---|---|---|
| committer | Vincent Ambo <tazjin@google.com> | 2020-05-27T00·26+0100 |
| commit | afe04691aca3f669f517adaeb5bd4a87a481fb4a (patch) | |
| tree | 60ae6c91a3959b2f6486256e26ff126e598d1e5d /cmake/FindUnwind.cmake | |
Squashed 'third_party/glog/' content from commit 9ef754a3023
git-subtree-dir: third_party/glog git-subtree-split: 9ef754a3023e6fd10f20fe53dfca96dd898182e3
Diffstat (limited to 'cmake/FindUnwind.cmake')
| -rw-r--r-- | cmake/FindUnwind.cmake | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/cmake/FindUnwind.cmake b/cmake/FindUnwind.cmake new file mode 100644 index 000000000000..8941bb0dacca --- /dev/null +++ b/cmake/FindUnwind.cmake @@ -0,0 +1,78 @@ +# - Try to find libunwind +# Once done this will define +# +# Unwind_FOUND - system has libunwind +# unwind::unwind - cmake target for libunwind + +include (FindPackageHandleStandardArgs) + +find_path (Unwind_INCLUDE_DIR NAMES unwind.h libunwind.h DOC "unwind include directory") +find_library (Unwind_LIBRARY NAMES unwind DOC "unwind library") + +if (CMAKE_SYSTEM_PROCESSOR MATCHES "^arm") + set (Unwind_ARCH "arm") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^aarch64") + set (Unwind_ARCH "aarch64") +elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "x86_64" OR + CMAKE_SYSTEM_PROCESSOR STREQUAL "amd64" OR + CMAKE_SYSTEM_PROCESSOR STREQUAL "corei7-64") + set (Unwind_ARCH "x86_64") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^i.86$") + set (Unwind_ARCH "x86") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc64") + set (Unwind_ARCH "ppc64") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^ppc") + set (Unwind_ARCH "ppc32") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^mips") + set (Unwind_ARCH "mips") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^hppa") + set (Unwind_ARCH "hppa") +elseif (CMAKE_SYSTEM_PROCESSOR MATCHES "^ia64") + set (Unwind_ARCH "ia64") +endif (CMAKE_SYSTEM_PROCESSOR MATCHES "^arm") + +find_library (Unwind_PLATFORM_LIBRARY NAMES "unwind-${Unwind_ARCH}" + DOC "unwind library platform") + +mark_as_advanced (Unwind_INCLUDE_DIR Unwind_LIBRARY Unwind_PLATFORM_LIBRARY) + +# Extract version information +if (Unwind_LIBRARY) + set (_Unwind_VERSION_HEADER ${Unwind_INCLUDE_DIR}/libunwind-common.h) + + if (EXISTS ${_Unwind_VERSION_HEADER}) + FILE (READ ${_Unwind_VERSION_HEADER} _Unwind_VERSION_CONTENTS) + + string (REGEX REPLACE ".*#define UNW_VERSION_MAJOR[ \t]+([0-9]+).*" "\\1" + Unwind_VERSION_MAJOR "${_Unwind_VERSION_CONTENTS}") + string (REGEX REPLACE ".*#define UNW_VERSION_MINOR[ \t]+([0-9]+).*" "\\1" + Unwind_VERSION_MINOR "${_Unwind_VERSION_CONTENTS}") + string (REGEX REPLACE ".*#define UNW_VERSION_EXTRA[ \t]+([0-9]+).*" "\\1" + Unwind_VERSION_PATCH "${_Unwind_VERSION_CONTENTS}") + + set (Unwind_VERSION + ${Unwind_VERSION_MAJOR}.${Unwind_VERSION_MINOR}.${Unwind_VERSION_PATCH}) + set (Unwind_VERSION_COMPONENTS 3) + endif (EXISTS ${_Unwind_VERSION_HEADER}) +endif (Unwind_LIBRARY) + +# handle the QUIETLY and REQUIRED arguments and set Unwind_FOUND to TRUE +# if all listed variables are TRUE +find_package_handle_standard_args (Unwind REQUIRED_VARS Unwind_INCLUDE_DIR + Unwind_LIBRARY Unwind_PLATFORM_LIBRARY VERSION_VAR Unwind_VERSION) + +if (Unwind_FOUND) + if (NOT TARGET unwind::unwind) + add_library (unwind::unwind INTERFACE IMPORTED) + + set_property (TARGET unwind::unwind PROPERTY + INTERFACE_INCLUDE_DIRECTORIES ${Unwind_INCLUDE_DIR} + ) + set_property (TARGET unwind::unwind PROPERTY + INTERFACE_LINK_LIBRARIES ${Unwind_LIBRARY} ${Unwind_PLATFORM_LIBRARY} + ) + set_property (TARGET unwind::unwind PROPERTY + IMPORTED_CONFIGURATIONS RELEASE + ) + endif (NOT TARGET unwind::unwind) +endif (Unwind_FOUND) |