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renamed and cleaned up the unwind find module

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This commit is contained in:
Sergiu Deitsch 2019-11-02 00:09:21 +01:00
parent 742fe94f22
commit 19570c69c9
3 changed files with 77 additions and 56 deletions
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2
CMakeLists.txt
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@ -117,7 +117,7 @@ check_symbol_exists (snprintf stdio.h HAVE_SNPRINTF)
check_library_exists (dbghelp UnDecorateSymbolName "" HAVE_DBGHELP)
find_package(Libunwind)
find_package (Unwind)
check_c_source_compiles ("
#include <stdlib.h>

55
cmake/FindLibunwind.cmake
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@ -1,55 +0,0 @@
# - 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()

76
cmake/FindUnwind.cmake Normal file
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@ -0,0 +1,76 @@
# - 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)
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 (Unwind_FOUND)