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Strip debug symbols to separate file on MacOS X

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The standard Xcode toolchain on MacOS X uses strip and dsymutil, not
objcopy as the GNU toolchain does.
This commit is contained in:
Roland Kaufmann 2013-08-25 01:00:00 +02:00
parent 8337669389
commit 74fdd3e25b
1 changed files with 40 additions and 14 deletions
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54
cmake/Modules/UseDebugSymbols.cmake
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@ -29,10 +29,20 @@ if (CXX_COMPAT_GCC)
# extracting the debug info is done by a separate utility in the GNU # extracting the debug info is done by a separate utility in the GNU
# toolchain. check that this is actually installed. # toolchain. check that this is actually installed.
message (STATUS "Looking for strip utility") message (STATUS "Looking for strip utility")
find_program (OBJCOPY if (APPLE)
objcopy # MacOS X has a duo of utilities; we need both
${CYGWIN_INSTALL_PATH}/bin /usr/bin /usr/local/bin find_program (OBJCOPY strip)
) find_program (DSYMUTIL dsymutil)
mark_as_advanced (DSYMUTIL)
if (NOT DSYMUTIL)
set (OBJCOPY dsymutil-NOTFOUND)
endif (NOT DSYMUTIL)
else (APPLE)
find_program (OBJCOPY
objcopy
${CYGWIN_INSTALL_PATH}/bin /usr/bin /usr/local/bin
)
endif (APPLE)
mark_as_advanced (OBJCOPY) mark_as_advanced (OBJCOPY)
if (OBJCOPY) if (OBJCOPY)
message (STATUS "Looking for strip utility - found") message (STATUS "Looking for strip utility - found")
@ -80,21 +90,37 @@ function (strip_debug_symbols targets)
get_target_property (_target_soversion ${target} SOVERSION) get_target_property (_target_soversion ${target} SOVERSION)
get_target_property (_target_version ${target} VERSION) get_target_property (_target_version ${target} VERSION)
if (_target_soversion) if (_target_soversion)
set (_target_file_name "${_name}${_ext}.${_target_version}") # MacOS X puts the version number before the extension
if (APPLE)
set (_target_file_name "${_name}.${_target_version}${_ext}")
else (APPLE)
set (_target_file_name "${_name}${_ext}.${_target_version}")
endif (APPLE)
else (_target_soversion) else (_target_soversion)
set (_target_file_name "${_name}${_ext}") set (_target_file_name "${_name}${_ext}")
endif (_target_soversion) endif (_target_soversion)
set (_target_file "${_dir}${_target_file_name}") set (_target_file "${_dir}${_target_file_name}")
# do without generator expressions (which doesn't work everywhere) # do without generator expressions (which doesn't work everywhere)
set (_debug_ext ".debug") if (APPLE)
add_custom_command (TARGET ${target} set (_debug_ext ".dSYM")
POST_BUILD add_custom_command (TARGET ${target}
WORKING_DIRECTORY ${_dir} POST_BUILD
COMMAND ${OBJCOPY} ARGS --only-keep-debug ${_target_file} ${_target_file}${_debug_ext} WORKING_DIRECTORY ${_dir}
COMMAND ${OBJCOPY} ARGS ${_strip_args} ${_target_file} COMMAND ${DSYMUTIL} ARGS --flat --out=${_target_file}${_debug_ext} ${_target_file}
COMMAND ${OBJCOPY} ARGS --add-gnu-debuglink=${_target_file_name}${_debug_ext} ${_target_file} COMMAND ${OBJCOPY} ARGS -S ${_target_file}
VERBATIM VERBATIM
) )
else (APPLE)
set (_debug_ext ".debug")
add_custom_command (TARGET ${target}
POST_BUILD
WORKING_DIRECTORY ${_dir}
COMMAND ${OBJCOPY} ARGS --only-keep-debug ${_target_file} ${_target_file}${_debug_ext}
COMMAND ${OBJCOPY} ARGS ${_strip_args} ${_target_file}
COMMAND ${OBJCOPY} ARGS --add-gnu-debuglink=${_target_file_name}${_debug_ext} ${_target_file}
VERBATIM
)
endif (APPLE)
# add this .debug file to the list # add this .debug file to the list
file (RELATIVE_PATH _this_debug_file "${PROJECT_BINARY_DIR}" "${_target_file}${_debug_ext}") file (RELATIVE_PATH _this_debug_file "${PROJECT_BINARY_DIR}" "${_target_file}${_debug_ext}")
set (_debug_files ${_debug_files} ${_this_debug_file}) set (_debug_files ${_debug_files} ${_this_debug_file})