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Diffstat (limited to 'Modules/GetPrerequisites.cmake')
| -rw-r--r-- | Modules/GetPrerequisites.cmake | 877 |
1 files changed, 877 insertions, 0 deletions
diff --git a/Modules/GetPrerequisites.cmake b/Modules/GetPrerequisites.cmake new file mode 100644 index 000000000..d215685dd --- /dev/null +++ b/Modules/GetPrerequisites.cmake @@ -0,0 +1,877 @@ +# - Functions to analyze and list executable file prerequisites. +# This module provides functions to list the .dll, .dylib or .so +# files that an executable or shared library file depends on. (Its +# prerequisites.) +# +# It uses various tools to obtain the list of required shared library files: +# dumpbin (Windows) +# ldd (Linux/Unix) +# otool (Mac OSX) +# The following functions are provided by this module: +# get_prerequisites +# list_prerequisites +# list_prerequisites_by_glob +# gp_append_unique +# is_file_executable +# gp_item_default_embedded_path +# (projects can override with gp_item_default_embedded_path_override) +# gp_resolve_item +# (projects can override with gp_resolve_item_override) +# gp_resolved_file_type +# (projects can override with gp_resolved_file_type_override) +# gp_file_type +# Requires CMake 2.6 or greater because it uses function, break, return and +# PARENT_SCOPE. +# +# GET_PREREQUISITES(<target> <prerequisites_var> <exclude_system> <recurse> +# <exepath> <dirs>) +# Get the list of shared library files required by <target>. The list in +# the variable named <prerequisites_var> should be empty on first entry to +# this function. On exit, <prerequisites_var> will contain the list of +# required shared library files. +# +# <target> is the full path to an executable file. <prerequisites_var> is the +# name of a CMake variable to contain the results. <exclude_system> must be 0 +# or 1 indicating whether to include or exclude "system" prerequisites. If +# <recurse> is set to 1 all prerequisites will be found recursively, if set to +# 0 only direct prerequisites are listed. <exepath> is the path to the top +# level executable used for @executable_path replacment on the Mac. <dirs> is +# a list of paths where libraries might be found: these paths are searched +# first when a target without any path info is given. Then standard system +# locations are also searched: PATH, Framework locations, /usr/lib... +# +# LIST_PREREQUISITES(<target> [<recurse> [<exclude_system> [<verbose>]]]) +# Print a message listing the prerequisites of <target>. +# +# <target> is the name of a shared library or executable target or the full +# path to a shared library or executable file. If <recurse> is set to 1 all +# prerequisites will be found recursively, if set to 0 only direct +# prerequisites are listed. <exclude_system> must be 0 or 1 indicating whether +# to include or exclude "system" prerequisites. With <verbose> set to 0 only +# the full path names of the prerequisites are printed, set to 1 extra +# informatin will be displayed. +# +# LIST_PREREQUISITES_BY_GLOB(<glob_arg> <glob_exp>) +# Print the prerequisites of shared library and executable files matching a +# globbing pattern. <glob_arg> is GLOB or GLOB_RECURSE and <glob_exp> is a +# globbing expression used with "file(GLOB" or "file(GLOB_RECURSE" to retrieve +# a list of matching files. If a matching file is executable, its prerequisites +# are listed. +# +# Any additional (optional) arguments provided are passed along as the +# optional arguments to the list_prerequisites calls. +# +# GP_APPEND_UNIQUE(<list_var> <value>) +# Append <value> to the list variable <list_var> only if the value is not +# already in the list. +# +# IS_FILE_EXECUTABLE(<file> <result_var>) +# Return 1 in <result_var> if <file> is a binary executable, 0 otherwise. +# +# GP_ITEM_DEFAULT_EMBEDDED_PATH(<item> <default_embedded_path_var>) +# Return the path that others should refer to the item by when the item +# is embedded inside a bundle. +# +# Override on a per-project basis by providing a project-specific +# gp_item_default_embedded_path_override function. +# +# GP_RESOLVE_ITEM(<context> <item> <exepath> <dirs> <resolved_item_var>) +# Resolve an item into an existing full path file. +# +# Override on a per-project basis by providing a project-specific +# gp_resolve_item_override function. +# +# GP_RESOLVED_FILE_TYPE(<original_file> <file> <exepath> <dirs> <type_var>) +# Return the type of <file> with respect to <original_file>. String +# describing type of prerequisite is returned in variable named <type_var>. +# +# Use <exepath> and <dirs> if necessary to resolve non-absolute <file> +# values -- but only for non-embedded items. +# +# Possible types are: +# system +# local +# embedded +# other +# Override on a per-project basis by providing a project-specific +# gp_resolved_file_type_override function. +# +# GP_FILE_TYPE(<original_file> <file> <type_var>) +# Return the type of <file> with respect to <original_file>. String +# describing type of prerequisite is returned in variable named <type_var>. +# +# Possible types are: +# system +# local +# embedded +# other + +#============================================================================= +# Copyright 2008-2009 Kitware, Inc. +# +# Distributed under the OSI-approved BSD License (the "License"); +# see accompanying file Copyright.txt for details. +# +# This software is distributed WITHOUT ANY WARRANTY; without even the +# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. +# See the License for more information. +#============================================================================= +# (To distribute this file outside of CMake, substitute the full +# License text for the above reference.) + +function(gp_append_unique list_var value) + set(contains 0) + + foreach(item ${${list_var}}) + if("${item}" STREQUAL "${value}") + set(contains 1) + break() + endif("${item}" STREQUAL "${value}") + endforeach(item) + + if(NOT contains) + set(${list_var} ${${list_var}} "${value}" PARENT_SCOPE) + endif(NOT contains) +endfunction(gp_append_unique) + + +function(is_file_executable file result_var) + # + # A file is not executable until proven otherwise: + # + set(${result_var} 0 PARENT_SCOPE) + + get_filename_component(file_full "${file}" ABSOLUTE) + string(TOLOWER "${file_full}" file_full_lower) + + # If file name ends in .exe on Windows, *assume* executable: + # + if(WIN32 AND NOT UNIX) + if("${file_full_lower}" MATCHES "\\.exe$") + set(${result_var} 1 PARENT_SCOPE) + return() + endif("${file_full_lower}" MATCHES "\\.exe$") + + # A clause could be added here that uses output or return value of dumpbin + # to determine ${result_var}. In 99%+? practical cases, the exe name + # match will be sufficient... + # + endif(WIN32 AND NOT UNIX) + + # Use the information returned from the Unix shell command "file" to + # determine if ${file_full} should be considered an executable file... + # + # If the file command's output contains "executable" and does *not* contain + # "text" then it is likely an executable suitable for prerequisite analysis + # via the get_prerequisites macro. + # + if(UNIX) + if(NOT file_cmd) + find_program(file_cmd "file") + endif(NOT file_cmd) + + if(file_cmd) + execute_process(COMMAND "${file_cmd}" "${file_full}" + OUTPUT_VARIABLE file_ov + OUTPUT_STRIP_TRAILING_WHITESPACE + ) + + # Replace the name of the file in the output with a placeholder token + # (the string " _file_full_ ") so that just in case the path name of + # the file contains the word "text" or "executable" we are not fooled + # into thinking "the wrong thing" because the file name matches the + # other 'file' command output we are looking for... + # + string(REPLACE "${file_full}" " _file_full_ " file_ov "${file_ov}") + string(TOLOWER "${file_ov}" file_ov) + + #message(STATUS "file_ov='${file_ov}'") + if("${file_ov}" MATCHES "executable") + #message(STATUS "executable!") + if("${file_ov}" MATCHES "text") + #message(STATUS "but text, so *not* a binary executable!") + else("${file_ov}" MATCHES "text") + set(${result_var} 1 PARENT_SCOPE) + return() + endif("${file_ov}" MATCHES "text") + endif("${file_ov}" MATCHES "executable") + + # Also detect position independent executables on Linux, + # where "file" gives "shared object ... (uses shared libraries)" + if("${file_ov}" MATCHES "shared object.*\(uses shared libs\)") + set(${result_var} 1 PARENT_SCOPE) + return() + endif() + + else(file_cmd) + message(STATUS "warning: No 'file' command, skipping execute_process...") + endif(file_cmd) + endif(UNIX) +endfunction(is_file_executable) + + +function(gp_item_default_embedded_path item default_embedded_path_var) + + # On Windows and Linux, "embed" prerequisites in the same directory + # as the executable by default: + # + set(path "@executable_path") + set(overridden 0) + + # On the Mac, relative to the executable depending on the type + # of the thing we are embedding: + # + if(APPLE) + # + # The assumption here is that all executables in the bundle will be + # in same-level-directories inside the bundle. The parent directory + # of an executable inside the bundle should be MacOS or a sibling of + # MacOS and all embedded paths returned from here will begin with + # "@executable_path/../" and will work from all executables in all + # such same-level-directories inside the bundle. + # + + # By default, embed things right next to the main bundle executable: + # + set(path "@executable_path/../../Contents/MacOS") + + # Embed .dylibs right next to the main bundle executable: + # + if(item MATCHES "\\.dylib$") + set(path "@executable_path/../MacOS") + set(overridden 1) + endif(item MATCHES "\\.dylib$") + + # Embed frameworks in the embedded "Frameworks" directory (sibling of MacOS): + # + if(NOT overridden) + if(item MATCHES "[^/]+\\.framework/") + set(path "@executable_path/../Frameworks") + set(overridden 1) + endif(item MATCHES "[^/]+\\.framework/") + endif(NOT overridden) + endif() + + # Provide a hook so that projects can override the default embedded location + # of any given library by whatever logic they choose: + # + if(COMMAND gp_item_default_embedded_path_override) + gp_item_default_embedded_path_override("${item}" path) + endif(COMMAND gp_item_default_embedded_path_override) + + set(${default_embedded_path_var} "${path}" PARENT_SCOPE) +endfunction(gp_item_default_embedded_path) + + +function(gp_resolve_item context item exepath dirs resolved_item_var) + set(resolved 0) + set(resolved_item "${item}") + + # Is it already resolved? + # + if(IS_ABSOLUTE "${resolved_item}" AND EXISTS "${resolved_item}") + set(resolved 1) + endif(IS_ABSOLUTE "${resolved_item}" AND EXISTS "${resolved_item}") + + if(NOT resolved) + if(item MATCHES "@executable_path") + # + # @executable_path references are assumed relative to exepath + # + string(REPLACE "@executable_path" "${exepath}" ri "${item}") + get_filename_component(ri "${ri}" ABSOLUTE) + + if(EXISTS "${ri}") + #message(STATUS "info: embedded item exists (${ri})") + set(resolved 1) + set(resolved_item "${ri}") + else(EXISTS "${ri}") + message(STATUS "warning: embedded item does not exist '${ri}'") + endif(EXISTS "${ri}") + endif(item MATCHES "@executable_path") + endif(NOT resolved) + + if(NOT resolved) + if(item MATCHES "@loader_path") + # + # @loader_path references are assumed relative to the + # PATH of the given "context" (presumably another library) + # + get_filename_component(contextpath "${context}" PATH) + string(REPLACE "@loader_path" "${contextpath}" ri "${item}") + get_filename_component(ri "${ri}" ABSOLUTE) + + if(EXISTS "${ri}") + #message(STATUS "info: embedded item exists (${ri})") + set(resolved 1) + set(resolved_item "${ri}") + else(EXISTS "${ri}") + message(STATUS "warning: embedded item does not exist '${ri}'") + endif(EXISTS "${ri}") + endif(item MATCHES "@loader_path") + endif(NOT resolved) + + if(NOT resolved) + if(item MATCHES "@rpath") + # + # @rpath references are relative to the paths built into the binaries with -rpath + # We handle this case like we do for other Unixes + # + string(REPLACE "@rpath/" "" norpath_item "${item}") + + set(ri "ri-NOTFOUND") + find_file(ri "${norpath_item}" ${exepath} ${dirs} NO_DEFAULT_PATH) + if(ri) + #message(STATUS "info: 'find_file' in exepath/dirs (${ri})") + set(resolved 1) + set(resolved_item "${ri}") + set(ri "ri-NOTFOUND") + endif(ri) + + endif(item MATCHES "@rpath") + endif(NOT resolved) + + if(NOT resolved) + set(ri "ri-NOTFOUND") + find_file(ri "${item}" ${exepath} ${dirs} NO_DEFAULT_PATH) + find_file(ri "${item}" ${exepath} ${dirs} /usr/lib) + if(ri) + #message(STATUS "info: 'find_file' in exepath/dirs (${ri})") + set(resolved 1) + set(resolved_item "${ri}") + set(ri "ri-NOTFOUND") + endif(ri) + endif(NOT resolved) + + if(NOT resolved) + if(item MATCHES "[^/]+\\.framework/") + set(fw "fw-NOTFOUND") + find_file(fw "${item}" + "~/Library/Frameworks" + "/Library/Frameworks" + "/System/Library/Frameworks" + ) + if(fw) + #message(STATUS "info: 'find_file' found framework (${fw})") + set(resolved 1) + set(resolved_item "${fw}") + set(fw "fw-NOTFOUND") + endif(fw) + endif(item MATCHES "[^/]+\\.framework/") + endif(NOT resolved) + + # Using find_program on Windows will find dll files that are in the PATH. + # (Converting simple file names into full path names if found.) + # + if(WIN32 AND NOT UNIX) + if(NOT resolved) + set(ri "ri-NOTFOUND") + find_program(ri "${item}" PATHS "${exepath};${dirs}" NO_DEFAULT_PATH) + find_program(ri "${item}" PATHS "${exepath};${dirs}") + if(ri) + #message(STATUS "info: 'find_program' in exepath/dirs (${ri})") + set(resolved 1) + set(resolved_item "${ri}") + set(ri "ri-NOTFOUND") + endif(ri) + endif(NOT resolved) + endif(WIN32 AND NOT UNIX) + + # Provide a hook so that projects can override item resolution + # by whatever logic they choose: + # + if(COMMAND gp_resolve_item_override) + gp_resolve_item_override("${context}" "${item}" "${exepath}" "${dirs}" resolved_item resolved) + endif(COMMAND gp_resolve_item_override) + + if(NOT resolved) + message(STATUS " +warning: cannot resolve item '${item}' + + possible problems: + need more directories? + need to use InstallRequiredSystemLibraries? + run in install tree instead of build tree? +") +# message(STATUS " +#****************************************************************************** +#warning: cannot resolve item '${item}' +# +# possible problems: +# need more directories? +# need to use InstallRequiredSystemLibraries? +# run in install tree instead of build tree? +# +# context='${context}' +# item='${item}' +# exepath='${exepath}' +# dirs='${dirs}' +# resolved_item_var='${resolved_item_var}' +#****************************************************************************** +#") + endif(NOT resolved) + + set(${resolved_item_var} "${resolved_item}" PARENT_SCOPE) +endfunction(gp_resolve_item) + + +function(gp_resolved_file_type original_file file exepath dirs type_var) + #message(STATUS "**") + + if(NOT IS_ABSOLUTE "${original_file}") + message(STATUS "warning: gp_resolved_file_type expects absolute full path for first arg original_file") + endif() + + set(is_embedded 0) + set(is_local 0) + set(is_system 0) + + set(resolved_file "${file}") + + if("${file}" MATCHES "^@(executable|loader)_path") + set(is_embedded 1) + endif() + + if(NOT is_embedded) + if(NOT IS_ABSOLUTE "${file}") + gp_resolve_item("${original_file}" "${file}" "${exepath}" "${dirs}" resolved_file) + endif() + + string(TOLOWER "${original_file}" original_lower) + string(TOLOWER "${resolved_file}" lower) + + if(UNIX) + if(resolved_file MATCHES "^(/lib/|/lib32/|/lib64/|/usr/lib/|/usr/lib32/|/usr/lib64/|/usr/X11R6/|/usr/bin/)") + set(is_system 1) + endif() + endif() + + if(APPLE) + if(resolved_file MATCHES "^(/System/Library/|/usr/lib/)") + set(is_system 1) + endif() + endif() + + if(WIN32) + string(TOLOWER "$ENV{SystemRoot}" sysroot) + string(REGEX REPLACE "\\\\" "/" sysroot "${sysroot}") + + string(TOLOWER "$ENV{windir}" windir) + string(REGEX REPLACE "\\\\" "/" windir "${windir}") + + if(lower MATCHES "^(${sysroot}/sys(tem|wow)|${windir}/sys(tem|wow)|(.*/)*msvc[^/]+dll)") + set(is_system 1) + endif() + + if(UNIX) + # if cygwin, we can get the properly formed windows paths from cygpath + find_program(CYGPATH_EXECUTABLE cygpath) + + if(CYGPATH_EXECUTABLE) + execute_process(COMMAND ${CYGPATH_EXECUTABLE} -W + OUTPUT_VARIABLE env_windir + OUTPUT_STRIP_TRAILING_WHITESPACE) + execute_process(COMMAND ${CYGPATH_EXECUTABLE} -S + OUTPUT_VARIABLE env_sysdir + OUTPUT_STRIP_TRAILING_WHITESPACE) + string(TOLOWER "${env_windir}" windir) + string(TOLOWER "${env_sysdir}" sysroot) + + if(lower MATCHES "^(${sysroot}/sys(tem|wow)|${windir}/sys(tem|wow)|(.*/)*msvc[^/]+dll)") + set(is_system 1) + endif() + endif(CYGPATH_EXECUTABLE) + endif(UNIX) + endif(WIN32) + + if(NOT is_system) + get_filename_component(original_path "${original_lower}" PATH) + get_filename_component(path "${lower}" PATH) + if("${original_path}" STREQUAL "${path}") + set(is_local 1) + else() + string(LENGTH "${original_path}/" original_length) + string(LENGTH "${lower}" path_length) + if(${path_length} GREATER ${original_length}) + string(SUBSTRING "${lower}" 0 ${original_length} path) + if("${original_path}/" STREQUAL "${path}") + set(is_embedded 1) + endif() + endif() + endif() + endif() + endif() + + # Return type string based on computed booleans: + # + set(type "other") + + if(is_system) + set(type "system") + elseif(is_embedded) + set(type "embedded") + elseif(is_local) + set(type "local") + endif() + + #message(STATUS "gp_resolved_file_type: '${file}' '${resolved_file}'") + #message(STATUS " type: '${type}'") + + if(NOT is_embedded) + if(NOT IS_ABSOLUTE "${resolved_file}") + if(lower MATCHES "^msvc[^/]+dll" AND is_system) + message(STATUS "info: non-absolute msvc file '${file}' returning type '${type}'") + else() + message(STATUS "warning: gp_resolved_file_type non-absolute file '${file}' returning type '${type}' -- possibly incorrect") + endif() + endif() + endif() + + # Provide a hook so that projects can override the decision on whether a + # library belongs to the system or not by whatever logic they choose: + # + if(COMMAND gp_resolved_file_type_override) + gp_resolved_file_type_override("${resolved_file}" type) + endif() + + set(${type_var} "${type}" PARENT_SCOPE) + + #message(STATUS "**") +endfunction() + + +function(gp_file_type original_file file type_var) + if(NOT IS_ABSOLUTE "${original_file}") + message(STATUS "warning: gp_file_type expects absolute full path for first arg original_file") + endif() + + get_filename_component(exepath "${original_file}" PATH) + + set(type "") + gp_resolved_file_type("${original_file}" "${file}" "${exepath}" "" type) + + set(${type_var} "${type}" PARENT_SCOPE) +endfunction(gp_file_type) + + +function(get_prerequisites target prerequisites_var exclude_system recurse exepath dirs) + set(verbose 0) + set(eol_char "E") + + if(NOT IS_ABSOLUTE "${target}") + message("warning: target '${target}' is not absolute...") + endif(NOT IS_ABSOLUTE "${target}") + + if(NOT EXISTS "${target}") + message("warning: target '${target}' does not exist...") + endif(NOT EXISTS "${target}") + + # <setup-gp_tool-vars> + # + # Try to choose the right tool by default. Caller can set gp_tool prior to + # calling this function to force using a different tool. + # + if("${gp_tool}" STREQUAL "") + set(gp_tool "ldd") + if(APPLE) + set(gp_tool "otool") + endif(APPLE) + if(WIN32 AND NOT UNIX) # This is how to check for cygwin, har! + set(gp_tool "dumpbin") + endif(WIN32 AND NOT UNIX) + endif("${gp_tool}" STREQUAL "") + + set(gp_tool_known 0) + + if("${gp_tool}" STREQUAL "ldd") + set(gp_cmd_args "") + set(gp_regex "^[\t ]*[^\t ]+ => ([^\t\(]+) .*${eol_char}$") + set(gp_regex_error "not found${eol_char}$") + set(gp_regex_fallback "^[\t ]*([^\t ]+) => ([^\t ]+).*${eol_char}$") + set(gp_regex_cmp_count 1) + set(gp_tool_known 1) + endif("${gp_tool}" STREQUAL "ldd") + + if("${gp_tool}" STREQUAL "otool") + set(gp_cmd_args "-L") + set(gp_regex "^\t([^\t]+) \\(compatibility version ([0-9]+.[0-9]+.[0-9]+), current version ([0-9]+.[0-9]+.[0-9]+)\\)${eol_char}$") + set(gp_regex_error "") + set(gp_regex_fallback "") + set(gp_regex_cmp_count 3) + set(gp_tool_known 1) + endif("${gp_tool}" STREQUAL "otool") + + if("${gp_tool}" STREQUAL "dumpbin") + set(gp_cmd_args "/dependents") + set(gp_regex "^ ([^ ].*[Dd][Ll][Ll])${eol_char}$") + set(gp_regex_error "") + set(gp_regex_fallback "") + set(gp_regex_cmp_count 1) + set(gp_tool_known 1) + set(ENV{VS_UNICODE_OUTPUT} "") # Block extra output from inside VS IDE. + endif("${gp_tool}" STREQUAL "dumpbin") + + if(NOT gp_tool_known) + message(STATUS "warning: gp_tool='${gp_tool}' is an unknown tool...") + message(STATUS "CMake function get_prerequisites needs more code to handle '${gp_tool}'") + message(STATUS "Valid gp_tool values are dumpbin, ldd and otool.") + return() + endif(NOT gp_tool_known) + + set(gp_cmd_paths ${gp_cmd_paths} + "C:/Program Files/Microsoft Visual Studio 9.0/VC/bin" + "C:/Program Files (x86)/Microsoft Visual Studio 9.0/VC/bin" + "C:/Program Files/Microsoft Visual Studio 8/VC/BIN" + "C:/Program Files (x86)/Microsoft Visual Studio 8/VC/BIN" + "C:/Program Files/Microsoft Visual Studio .NET 2003/VC7/BIN" + "C:/Program Files (x86)/Microsoft Visual Studio .NET 2003/VC7/BIN" + "/usr/local/bin" + "/usr/bin" + ) + + find_program(gp_cmd ${gp_tool} PATHS ${gp_cmd_paths}) + + if(NOT gp_cmd) + message(STATUS "warning: could not find '${gp_tool}' - cannot analyze prerequisites...") + return() + endif(NOT gp_cmd) + + if("${gp_tool}" STREQUAL "dumpbin") + # When running dumpbin, it also needs the "Common7/IDE" directory in the + # PATH. It will already be in the PATH if being run from a Visual Studio + # command prompt. Add it to the PATH here in case we are running from a + # different command prompt. + # + get_filename_component(gp_cmd_dir "${gp_cmd}" PATH) + get_filename_component(gp_cmd_dlls_dir "${gp_cmd_dir}/../../Common7/IDE" ABSOLUTE) + # Use cmake paths as a user may have a PATH element ending with a backslash. + # This will escape the list delimiter and create havoc! + if(EXISTS "${gp_cmd_dlls_dir}") + # only add to the path if it is not already in the path + set(gp_found_cmd_dlls_dir 0) + file(TO_CMAKE_PATH "$ENV{PATH}" env_path) + foreach(gp_env_path_element ${env_path}) + if("${gp_env_path_element}" STREQUAL "${gp_cmd_dlls_dir}") + set(gp_found_cmd_dlls_dir 1) + endif() + endforeach(gp_env_path_element) + + if(NOT gp_found_cmd_dlls_dir) + file(TO_NATIVE_PATH "${gp_cmd_dlls_dir}" gp_cmd_dlls_dir) + set(ENV{PATH} "$ENV{PATH};${gp_cmd_dlls_dir}") + endif() + endif(EXISTS "${gp_cmd_dlls_dir}") + endif("${gp_tool}" STREQUAL "dumpbin") + # + # </setup-gp_tool-vars> + + if("${gp_tool}" STREQUAL "ldd") + set(old_ld_env "$ENV{LD_LIBRARY_PATH}") + foreach(dir ${exepath} ${dirs}) + set(ENV{LD_LIBRARY_PATH} "${dir}:$ENV{LD_LIBRARY_PATH}") + endforeach(dir) + endif("${gp_tool}" STREQUAL "ldd") + + + # Track new prerequisites at each new level of recursion. Start with an + # empty list at each level: + # + set(unseen_prereqs) + + # Run gp_cmd on the target: + # + execute_process( + COMMAND ${gp_cmd} ${gp_cmd_args} ${target} + OUTPUT_VARIABLE gp_cmd_ov + ) + + if("${gp_tool}" STREQUAL "ldd") + set(ENV{LD_LIBRARY_PATH} "${old_ld_env}") + endif("${gp_tool}" STREQUAL "ldd") + + if(verbose) + message(STATUS "<RawOutput cmd='${gp_cmd} ${gp_cmd_args} ${target}'>") + message(STATUS "gp_cmd_ov='${gp_cmd_ov}'") + message(STATUS "</RawOutput>") + endif(verbose) + + get_filename_component(target_dir "${target}" PATH) + + # Convert to a list of lines: + # + string(REGEX REPLACE ";" "\\\\;" candidates "${gp_cmd_ov}") + string(REGEX REPLACE "\n" "${eol_char};" candidates "${candidates}") + + # check for install id and remove it from list, since otool -L can include a + # reference to itself + set(gp_install_id) + if("${gp_tool}" STREQUAL "otool") + execute_process( + COMMAND otool -D ${target} + OUTPUT_VARIABLE gp_install_id_ov + ) + # second line is install name + string(REGEX REPLACE ".*:\n" "" gp_install_id "${gp_install_id_ov}") + if(gp_install_id) + # trim + string(REGEX MATCH "[^\n ].*[^\n ]" gp_install_id "${gp_install_id}") + #message("INSTALL ID is \"${gp_install_id}\"") + endif(gp_install_id) + endif("${gp_tool}" STREQUAL "otool") + + # Analyze each line for file names that match the regular expression: + # + foreach(candidate ${candidates}) + if("${candidate}" MATCHES "${gp_regex}") + + # Extract information from each candidate: + if(gp_regex_error AND "${candidate}" MATCHES "${gp_regex_error}") + string(REGEX REPLACE "${gp_regex_fallback}" "\\1" raw_item "${candidate}") + else(gp_regex_error AND "${candidate}" MATCHES "${gp_regex_error}") + string(REGEX REPLACE "${gp_regex}" "\\1" raw_item "${candidate}") + endif(gp_regex_error AND "${candidate}" MATCHES "${gp_regex_error}") + + if(gp_regex_cmp_count GREATER 1) + string(REGEX REPLACE "${gp_regex}" "\\2" raw_compat_version "${candidate}") + string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+)$" "\\1" compat_major_version "${raw_compat_version}") + string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+)$" "\\2" compat_minor_version "${raw_compat_version}") + string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+)$" "\\3" compat_patch_version "${raw_compat_version}") + endif(gp_regex_cmp_count GREATER 1) + + if(gp_regex_cmp_count GREATER 2) + string(REGEX REPLACE "${gp_regex}" "\\3" raw_current_version "${candidate}") + string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+)$" "\\1" current_major_version "${raw_current_version}") + string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+)$" "\\2" current_minor_version "${raw_current_version}") + string(REGEX REPLACE "^([0-9]+)\\.([0-9]+)\\.([0-9]+)$" "\\3" current_patch_version "${raw_current_version}") + endif(gp_regex_cmp_count GREATER 2) + + # Use the raw_item as the list entries returned by this function. Use the + # gp_resolve_item function to resolve it to an actual full path file if + # necessary. + # + set(item "${raw_item}") + + # Add each item unless it is excluded: + # + set(add_item 1) + + if("${item}" STREQUAL "${gp_install_id}") + set(add_item 0) + endif("${item}" STREQUAL "${gp_install_id}") + + if(add_item AND ${exclude_system}) + set(type "") + gp_resolved_file_type("${target}" "${item}" "${exepath}" "${dirs}" type) + + if("${type}" STREQUAL "system") + set(add_item 0) + endif("${type}" STREQUAL "system") + endif(add_item AND ${exclude_system}) + + if(add_item) + list(LENGTH ${prerequisites_var} list_length_before_append) + gp_append_unique(${prerequisites_var} "${item}") + list(LENGTH ${prerequisites_var} list_length_after_append) + + if(${recurse}) + # If item was really added, this is the first time we have seen it. + # Add it to unseen_prereqs so that we can recursively add *its* + # prerequisites... + # + # But first: resolve its name to an absolute full path name such + # that the analysis tools can simply accept it as input. + # + if(NOT list_length_before_append EQUAL list_length_after_append) + gp_resolve_item("${target}" "${item}" "${exepath}" "${dirs}" resolved_item) + set(unseen_prereqs ${unseen_prereqs} "${resolved_item}") + endif(NOT list_length_before_append EQUAL list_length_after_append) + endif(${recurse}) + endif(add_item) + else("${candidate}" MATCHES "${gp_regex}") + if(verbose) + message(STATUS "ignoring non-matching line: '${candidate}'") + endif(verbose) + endif("${candidate}" MATCHES "${gp_regex}") + endforeach(candidate) + + list(LENGTH ${prerequisites_var} prerequisites_var_length) + if(prerequisites_var_length GREATER 0) + list(SORT ${prerequisites_var}) + endif(prerequisites_var_length GREATER 0) + if(${recurse}) + set(more_inputs ${unseen_prereqs}) + foreach(input ${more_inputs}) + get_prerequisites("${input}" ${prerequisites_var} ${exclude_system} ${recurse} "${exepath}" "${dirs}") + endforeach(input) + endif(${recurse}) + + set(${prerequisites_var} ${${prerequisites_var}} PARENT_SCOPE) +endfunction(get_prerequisites) + + +function(list_prerequisites target) + if("${ARGV1}" STREQUAL "") + set(all 1) + else("${ARGV1}" STREQUAL "") + set(all "${ARGV1}") + endif("${ARGV1}" STREQUAL "") + + if("${ARGV2}" STREQUAL "") + set(exclude_system 0) + else("${ARGV2}" STREQUAL "") + set(exclude_system "${ARGV2}") + endif("${ARGV2}" STREQUAL "") + + if("${ARGV3}" STREQUAL "") + set(verbose 0) + else("${ARGV3}" STREQUAL "") + set(verbose "${ARGV3}") + endif("${ARGV3}" STREQUAL "") + + set(count 0) + set(count_str "") + set(print_count "${verbose}") + set(print_prerequisite_type "${verbose}") + set(print_target "${verbose}") + set(type_str "") + + get_filename_component(exepath "${target}" PATH) + + set(prereqs "") + get_prerequisites("${target}" prereqs ${exclude_system} ${all} "${exepath}" "") + + if(print_target) + message(STATUS "File '${target}' depends on:") + endif(print_target) + + foreach(d ${prereqs}) + math(EXPR count "${count} + 1") + + if(print_count) + set(count_str "${count}. ") + endif(print_count) + + if(print_prerequisite_type) + gp_file_type("${target}" "${d}" type) + set(type_str " (${type})") + endif(print_prerequisite_type) + + message(STATUS "${count_str}${d}${type_str}") + endforeach(d) +endfunction(list_prerequisites) + + +function(list_prerequisites_by_glob glob_arg glob_exp) + message(STATUS "=============================================================================") + message(STATUS "List prerequisites of executables matching ${glob_arg} '${glob_exp}'") + message(STATUS "") + file(${glob_arg} file_list ${glob_exp}) + foreach(f ${file_list}) + is_file_executable("${f}" is_f_executable) + if(is_f_executable) + message(STATUS "=============================================================================") + list_prerequisites("${f}" ${ARGN}) + message(STATUS "") + endif(is_f_executable) + endforeach(f) +endfunction(list_prerequisites_by_glob) |