diff options
Diffstat (limited to 'cmake')
| -rw-r--r-- | cmake/BundleUtilities.cmake | 786 | ||||
| -rw-r--r-- | cmake/GetPrerequisites.cmake | 895 |
2 files changed, 1681 insertions, 0 deletions
diff --git a/cmake/BundleUtilities.cmake b/cmake/BundleUtilities.cmake new file mode 100644 index 00000000..0f6cd059 --- /dev/null +++ b/cmake/BundleUtilities.cmake @@ -0,0 +1,786 @@ +# - Functions to help assemble a standalone bundle application. +# A collection of CMake utility functions useful for dealing with .app +# bundles on the Mac and bundle-like directories on any OS. +# +# The following functions are provided by this module: +# fixup_bundle +# copy_and_fixup_bundle +# verify_app +# get_bundle_main_executable +# get_dotapp_dir +# get_bundle_and_executable +# get_bundle_all_executables +# get_item_key +# clear_bundle_keys +# set_bundle_key_values +# get_bundle_keys +# copy_resolved_item_into_bundle +# copy_resolved_framework_into_bundle +# fixup_bundle_item +# verify_bundle_prerequisites +# verify_bundle_symlinks +# Requires CMake 2.6 or greater because it uses function, break and +# PARENT_SCOPE. Also depends on GetPrerequisites.cmake. +# +# FIXUP_BUNDLE(<app> <libs> <dirs>) +# Fix up a bundle in-place and make it standalone, such that it can be +# drag-n-drop copied to another machine and run on that machine as long as all +# of the system libraries are compatible. +# +# If you pass plugins to fixup_bundle as the libs parameter, you should install +# them or copy them into the bundle before calling fixup_bundle. The "libs" +# parameter is a list of libraries that must be fixed up, but that cannot be +# determined by otool output analysis. (i.e., plugins) +# +# Gather all the keys for all the executables and libraries in a bundle, and +# then, for each key, copy each prerequisite into the bundle. Then fix each one +# up according to its own list of prerequisites. +# +# Then clear all the keys and call verify_app on the final bundle to ensure +# that it is truly standalone. +# +# COPY_AND_FIXUP_BUNDLE(<src> <dst> <libs> <dirs>) +# Makes a copy of the bundle <src> at location <dst> and then fixes up the +# new copied bundle in-place at <dst>... +# +# VERIFY_APP(<app>) +# Verifies that an application <app> appears valid based on running analysis +# tools on it. Calls "message(FATAL_ERROR" if the application is not verified. +# +# GET_BUNDLE_MAIN_EXECUTABLE(<bundle> <result_var>) +# The result will be the full path name of the bundle's main executable file +# or an "error:" prefixed string if it could not be determined. +# +# GET_DOTAPP_DIR(<exe> <dotapp_dir_var>) +# Returns the nearest parent dir whose name ends with ".app" given the full +# path to an executable. If there is no such parent dir, then simply return +# the dir containing the executable. +# +# The returned directory may or may not exist. +# +# GET_BUNDLE_AND_EXECUTABLE(<app> <bundle_var> <executable_var> <valid_var>) +# Takes either a ".app" directory name or the name of an executable +# nested inside a ".app" directory and returns the path to the ".app" +# directory in <bundle_var> and the path to its main executable in +# <executable_var> +# +# GET_BUNDLE_ALL_EXECUTABLES(<bundle> <exes_var>) +# Scans the given bundle recursively for all executable files and accumulates +# them into a variable. +# +# GET_ITEM_KEY(<item> <key_var>) +# Given a file (item) name, generate a key that should be unique considering +# the set of libraries that need copying or fixing up to make a bundle +# standalone. This is essentially the file name including extension with "." +# replaced by "_" +# +# This key is used as a prefix for CMake variables so that we can associate a +# set of variables with a given item based on its key. +# +# CLEAR_BUNDLE_KEYS(<keys_var>) +# Loop over the list of keys, clearing all the variables associated with each +# key. After the loop, clear the list of keys itself. +# +# Caller of get_bundle_keys should call clear_bundle_keys when done with list +# of keys. +# +# SET_BUNDLE_KEY_VALUES(<keys_var> <context> <item> <exepath> <dirs> +# <copyflag>) +# Add a key to the list (if necessary) for the given item. If added, +# also set all the variables associated with that key. +# +# GET_BUNDLE_KEYS(<app> <libs> <dirs> <keys_var>) +# Loop over all the executable and library files within the bundle (and given +# as extra <libs>) and accumulate a list of keys representing them. Set +# values associated with each key such that we can loop over all of them and +# copy prerequisite libs into the bundle and then do appropriate +# install_name_tool fixups. +# +# COPY_RESOLVED_ITEM_INTO_BUNDLE(<resolved_item> <resolved_embedded_item>) +# Copy a resolved item into the bundle if necessary. Copy is not necessary if +# the resolved_item is "the same as" the resolved_embedded_item. +# +# COPY_RESOLVED_FRAMEWORK_INTO_BUNDLE(<resolved_item> <resolved_embedded_item>) +# Copy a resolved framework into the bundle if necessary. Copy is not necessary +# if the resolved_item is "the same as" the resolved_embedded_item. +# +# By default, BU_COPY_FULL_FRAMEWORK_CONTENTS is not set. If you want full +# frameworks embedded in your bundles, set BU_COPY_FULL_FRAMEWORK_CONTENTS to +# ON before calling fixup_bundle. By default, +# COPY_RESOLVED_FRAMEWORK_INTO_BUNDLE copies the framework dylib itself plus +# the framework Resources directory. +# +# FIXUP_BUNDLE_ITEM(<resolved_embedded_item> <exepath> <dirs>) +# Get the direct/non-system prerequisites of the resolved embedded item. For +# each prerequisite, change the way it is referenced to the value of the +# _EMBEDDED_ITEM keyed variable for that prerequisite. (Most likely changing to +# an "@executable_path" style reference.) +# +# This function requires that the resolved_embedded_item be "inside" the bundle +# already. In other words, if you pass plugins to fixup_bundle as the libs +# parameter, you should install them or copy them into the bundle before +# calling fixup_bundle. The "libs" parameter is a list of libraries that must +# be fixed up, but that cannot be determined by otool output analysis. (i.e., +# plugins) +# +# Also, change the id of the item being fixed up to its own _EMBEDDED_ITEM +# value. +# +# Accumulate changes in a local variable and make *one* call to +# install_name_tool at the end of the function with all the changes at once. +# +# If the BU_CHMOD_BUNDLE_ITEMS variable is set then bundle items will be +# marked writable before install_name_tool tries to change them. +# +# VERIFY_BUNDLE_PREREQUISITES(<bundle> <result_var> <info_var>) +# Verifies that the sum of all prerequisites of all files inside the bundle +# are contained within the bundle or are "system" libraries, presumed to exist +# everywhere. +# +# VERIFY_BUNDLE_SYMLINKS(<bundle> <result_var> <info_var>) +# Verifies that any symlinks found in the bundle point to other files that are +# already also in the bundle... Anything that points to an external file causes +# this function to fail the verification. + +#============================================================================= +# 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.) + +# The functions defined in this file depend on the get_prerequisites function +# (and possibly others) found in: +# +get_filename_component(BundleUtilities_cmake_dir "${CMAKE_CURRENT_LIST_FILE}" PATH) +include("${BundleUtilities_cmake_dir}/GetPrerequisites.cmake") + + +function(get_bundle_main_executable bundle result_var) + set(result "error: '${bundle}/Contents/Info.plist' file does not exist") + + if(EXISTS "${bundle}/Contents/Info.plist") + set(result "error: no CFBundleExecutable in '${bundle}/Contents/Info.plist' file") + set(line_is_main_executable 0) + set(bundle_executable "") + + # Read Info.plist as a list of lines: + # + set(eol_char "E") + file(READ "${bundle}/Contents/Info.plist" info_plist) + string(REGEX REPLACE ";" "\\\\;" info_plist "${info_plist}") + string(REGEX REPLACE "\n" "${eol_char};" info_plist "${info_plist}") + + # Scan the lines for "<key>CFBundleExecutable</key>" - the line after that + # is the name of the main executable. + # + foreach(line ${info_plist}) + if(line_is_main_executable) + string(REGEX REPLACE "^.*<string>(.*)</string>.*$" "\\1" bundle_executable "${line}") + break() + endif() + + if(line MATCHES "^.*<key>CFBundleExecutable</key>.*$") + set(line_is_main_executable 1) + endif() + endforeach() + + if(NOT "${bundle_executable}" STREQUAL "") + if(EXISTS "${bundle}/Contents/MacOS/${bundle_executable}") + set(result "${bundle}/Contents/MacOS/${bundle_executable}") + else() + + # Ultimate goal: + # If not in "Contents/MacOS" then scan the bundle for matching files. If + # there is only one executable file that matches, then use it, otherwise + # it's an error... + # + #file(GLOB_RECURSE file_list "${bundle}/${bundle_executable}") + + # But for now, pragmatically, it's an error. Expect the main executable + # for the bundle to be in Contents/MacOS, it's an error if it's not: + # + set(result "error: '${bundle}/Contents/MacOS/${bundle_executable}' does not exist") + endif() + endif() + else() + # + # More inclusive technique... (This one would work on Windows and Linux + # too, if a developer followed the typical Mac bundle naming convention...) + # + # If there is no Info.plist file, try to find an executable with the same + # base name as the .app directory: + # + endif() + + set(${result_var} "${result}" PARENT_SCOPE) +endfunction() + + +function(get_dotapp_dir exe dotapp_dir_var) + set(s "${exe}") + + if(s MATCHES "^.*/.*\\.app/.*$") + # If there is a ".app" parent directory, + # ascend until we hit it: + # (typical of a Mac bundle executable) + # + set(done 0) + while(NOT ${done}) + get_filename_component(snamewe "${s}" NAME_WE) + get_filename_component(sname "${s}" NAME) + get_filename_component(sdir "${s}" PATH) + set(s "${sdir}") + if(sname MATCHES "\\.app$") + set(done 1) + set(dotapp_dir "${sdir}/${sname}") + endif() + endwhile() + else() + # Otherwise use a directory containing the exe + # (typical of a non-bundle executable on Mac, Windows or Linux) + # + is_file_executable("${s}" is_executable) + if(is_executable) + get_filename_component(sdir "${s}" PATH) + set(dotapp_dir "${sdir}") + else() + set(dotapp_dir "${s}") + endif() + endif() + + + set(${dotapp_dir_var} "${dotapp_dir}" PARENT_SCOPE) +endfunction() + + +function(get_bundle_and_executable app bundle_var executable_var valid_var) + set(valid 0) + + if(EXISTS "${app}") + # Is it a directory ending in .app? + if(IS_DIRECTORY "${app}") + if(app MATCHES "\\.app$") + get_bundle_main_executable("${app}" executable) + if(EXISTS "${app}" AND EXISTS "${executable}") + set(${bundle_var} "${app}" PARENT_SCOPE) + set(${executable_var} "${executable}" PARENT_SCOPE) + set(valid 1) + #message(STATUS "info: handled .app directory case...") + else() + message(STATUS "warning: *NOT* handled - .app directory case...") + endif() + else() + message(STATUS "warning: *NOT* handled - directory but not .app case...") + endif() + else() + # Is it an executable file? + is_file_executable("${app}" is_executable) + if(is_executable) + get_dotapp_dir("${app}" dotapp_dir) + if(EXISTS "${dotapp_dir}") + set(${bundle_var} "${dotapp_dir}" PARENT_SCOPE) + set(${executable_var} "${app}" PARENT_SCOPE) + set(valid 1) + #message(STATUS "info: handled executable file in .app dir case...") + else() + get_filename_component(app_dir "${app}" PATH) + set(${bundle_var} "${app_dir}" PARENT_SCOPE) + set(${executable_var} "${app}" PARENT_SCOPE) + set(valid 1) + #message(STATUS "info: handled executable file in any dir case...") + endif() + else() + message(STATUS "warning: *NOT* handled - not .app dir, not executable file...") + endif() + endif() + else() + message(STATUS "warning: *NOT* handled - directory/file does not exist...") + endif() + + if(NOT valid) + set(${bundle_var} "error: not a bundle" PARENT_SCOPE) + set(${executable_var} "error: not a bundle" PARENT_SCOPE) + endif() + + set(${valid_var} ${valid} PARENT_SCOPE) +endfunction() + + +function(get_bundle_all_executables bundle exes_var) + set(exes "") + + file(GLOB_RECURSE file_list "${bundle}/*") + foreach(f ${file_list}) + is_file_executable("${f}" is_executable) + if(is_executable) + set(exes ${exes} "${f}") + endif() + endforeach() + + set(${exes_var} "${exes}" PARENT_SCOPE) +endfunction() + + +function(get_item_key item key_var) + get_filename_component(item_name "${item}" NAME) + if(WIN32) + string(TOLOWER "${item_name}" item_name) + endif() + string(REGEX REPLACE "\\." "_" ${key_var} "${item_name}") + set(${key_var} ${${key_var}} PARENT_SCOPE) +endfunction() + + +function(clear_bundle_keys keys_var) + foreach(key ${${keys_var}}) + set(${key}_ITEM PARENT_SCOPE) + set(${key}_RESOLVED_ITEM PARENT_SCOPE) + set(${key}_DEFAULT_EMBEDDED_PATH PARENT_SCOPE) + set(${key}_EMBEDDED_ITEM PARENT_SCOPE) + set(${key}_RESOLVED_EMBEDDED_ITEM PARENT_SCOPE) + set(${key}_COPYFLAG PARENT_SCOPE) + endforeach() + set(${keys_var} PARENT_SCOPE) +endfunction() + + +function(set_bundle_key_values keys_var context item exepath dirs copyflag) + get_filename_component(item_name "${item}" NAME) + + get_item_key("${item}" key) + + list(LENGTH ${keys_var} length_before) + gp_append_unique(${keys_var} "${key}") + list(LENGTH ${keys_var} length_after) + + if(NOT length_before EQUAL length_after) + gp_resolve_item("${context}" "${item}" "${exepath}" "${dirs}" resolved_item) + + gp_item_default_embedded_path("${item}" default_embedded_path) + + if(item MATCHES "[^/]+\\.framework/") + # For frameworks, construct the name under the embedded path from the + # opening "${item_name}.framework/" to the closing "/${item_name}": + # + string(REGEX REPLACE "^.*(${item_name}.framework/.*/?${item_name}).*$" "${default_embedded_path}/\\1" embedded_item "${item}") + else() + # For other items, just use the same name as the original, but in the + # embedded path: + # + set(embedded_item "${default_embedded_path}/${item_name}") + endif() + + # Replace @executable_path and resolve ".." references: + # + string(REPLACE "@executable_path" "${exepath}" resolved_embedded_item "${embedded_item}") + get_filename_component(resolved_embedded_item "${resolved_embedded_item}" ABSOLUTE) + + # *But* -- if we are not copying, then force resolved_embedded_item to be + # the same as resolved_item. In the case of multiple executables in the + # original bundle, using the default_embedded_path results in looking for + # the resolved executable next to the main bundle executable. This is here + # so that exes in the other sibling directories (like "bin") get fixed up + # properly... + # + if(NOT copyflag) + set(resolved_embedded_item "${resolved_item}") + endif() + + set(${keys_var} ${${keys_var}} PARENT_SCOPE) + set(${key}_ITEM "${item}" PARENT_SCOPE) + set(${key}_RESOLVED_ITEM "${resolved_item}" PARENT_SCOPE) + set(${key}_DEFAULT_EMBEDDED_PATH "${default_embedded_path}" PARENT_SCOPE) + set(${key}_EMBEDDED_ITEM "${embedded_item}" PARENT_SCOPE) + set(${key}_RESOLVED_EMBEDDED_ITEM "${resolved_embedded_item}" PARENT_SCOPE) + set(${key}_COPYFLAG "${copyflag}" PARENT_SCOPE) + else() + #message("warning: item key '${key}' already in the list, subsequent references assumed identical to first") + endif() +endfunction() + + +function(get_bundle_keys app libs dirs keys_var) + set(${keys_var} PARENT_SCOPE) + + get_bundle_and_executable("${app}" bundle executable valid) + if(valid) + # Always use the exepath of the main bundle executable for @executable_path + # replacements: + # + get_filename_component(exepath "${executable}" PATH) + + # But do fixups on all executables in the bundle: + # + get_bundle_all_executables("${bundle}" exes) + + # For each extra lib, accumulate a key as well and then also accumulate + # any of its prerequisites. (Extra libs are typically dynamically loaded + # plugins: libraries that are prerequisites for full runtime functionality + # but that do not show up in otool -L output...) + # + foreach(lib ${libs}) + set_bundle_key_values(${keys_var} "${lib}" "${lib}" "${exepath}" "${dirs}" 0) + + set(prereqs "") + get_prerequisites("${lib}" prereqs 1 1 "${exepath}" "${dirs}") + foreach(pr ${prereqs}) + set_bundle_key_values(${keys_var} "${lib}" "${pr}" "${exepath}" "${dirs}" 1) + endforeach() + endforeach() + + # For each executable found in the bundle, accumulate keys as we go. + # The list of keys should be complete when all prerequisites of all + # binaries in the bundle have been analyzed. + # + foreach(exe ${exes}) + # Add the exe itself to the keys: + # + set_bundle_key_values(${keys_var} "${exe}" "${exe}" "${exepath}" "${dirs}" 0) + + # Add each prerequisite to the keys: + # + set(prereqs "") + get_prerequisites("${exe}" prereqs 1 1 "${exepath}" "${dirs}") + foreach(pr ${prereqs}) + set_bundle_key_values(${keys_var} "${exe}" "${pr}" "${exepath}" "${dirs}" 1) + endforeach() + endforeach() + + # Propagate values to caller's scope: + # + set(${keys_var} ${${keys_var}} PARENT_SCOPE) + foreach(key ${${keys_var}}) + set(${key}_ITEM "${${key}_ITEM}" PARENT_SCOPE) + set(${key}_RESOLVED_ITEM "${${key}_RESOLVED_ITEM}" PARENT_SCOPE) + set(${key}_DEFAULT_EMBEDDED_PATH "${${key}_DEFAULT_EMBEDDED_PATH}" PARENT_SCOPE) + set(${key}_EMBEDDED_ITEM "${${key}_EMBEDDED_ITEM}" PARENT_SCOPE) + set(${key}_RESOLVED_EMBEDDED_ITEM "${${key}_RESOLVED_EMBEDDED_ITEM}" PARENT_SCOPE) + set(${key}_COPYFLAG "${${key}_COPYFLAG}" PARENT_SCOPE) + endforeach() + endif() +endfunction() + + +function(copy_resolved_item_into_bundle resolved_item resolved_embedded_item) + if(WIN32) + # ignore case on Windows + string(TOLOWER "${resolved_item}" resolved_item_compare) + string(TOLOWER "${resolved_embedded_item}" resolved_embedded_item_compare) + else() + set(resolved_item_compare "${resolved_item}") + set(resolved_embedded_item_compare "${resolved_embedded_item}") + endif() + + if("${resolved_item_compare}" STREQUAL "${resolved_embedded_item_compare}") + message(STATUS "warning: resolved_item == resolved_embedded_item - not copying...") + else() + #message(STATUS "copying COMMAND ${CMAKE_COMMAND} -E copy ${resolved_item} ${resolved_embedded_item}") + execute_process(COMMAND ${CMAKE_COMMAND} -E copy "${resolved_item}" "${resolved_embedded_item}") + if(UNIX AND NOT APPLE) + file(RPATH_REMOVE FILE "${resolved_embedded_item}") + endif() + endif() + +endfunction() + + +function(copy_resolved_framework_into_bundle resolved_item resolved_embedded_item) + if(WIN32) + # ignore case on Windows + string(TOLOWER "${resolved_item}" resolved_item_compare) + string(TOLOWER "${resolved_embedded_item}" resolved_embedded_item_compare) + else() + set(resolved_item_compare "${resolved_item}") + set(resolved_embedded_item_compare "${resolved_embedded_item}") + endif() + + if("${resolved_item_compare}" STREQUAL "${resolved_embedded_item_compare}") + message(STATUS "warning: resolved_item == resolved_embedded_item - not copying...") + else() + if(BU_COPY_FULL_FRAMEWORK_CONTENTS) + # Full Framework (everything): + get_filename_component(resolved_dir "${resolved_item}" PATH) + get_filename_component(resolved_dir "${resolved_dir}/../.." ABSOLUTE) + get_filename_component(resolved_embedded_dir "${resolved_embedded_item}" PATH) + get_filename_component(resolved_embedded_dir "${resolved_embedded_dir}/../.." ABSOLUTE) + #message(STATUS "copying COMMAND ${CMAKE_COMMAND} -E copy_directory '${resolved_dir}' '${resolved_embedded_dir}'") + execute_process(COMMAND ${CMAKE_COMMAND} -E copy_directory "${resolved_dir}" "${resolved_embedded_dir}") + else() + # Framework lib itself: + #message(STATUS "copying COMMAND ${CMAKE_COMMAND} -E copy ${resolved_item} ${resolved_embedded_item}") + execute_process(COMMAND ${CMAKE_COMMAND} -E copy "${resolved_item}" "${resolved_embedded_item}") + + # Plus Resources, if they exist: + string(REGEX REPLACE "^(.*)/[^/]+/[^/]+/[^/]+$" "\\1/Resources" resolved_resources "${resolved_item}") + string(REGEX REPLACE "^(.*)/[^/]+/[^/]+/[^/]+$" "\\1/Resources" resolved_embedded_resources "${resolved_embedded_item}") + if(EXISTS "${resolved_resources}") + #message(STATUS "copying COMMAND ${CMAKE_COMMAND} -E copy_directory '${resolved_resources}' '${resolved_embedded_resources}'") + execute_process(COMMAND ${CMAKE_COMMAND} -E copy_directory "${resolved_resources}" "${resolved_embedded_resources}") + endif() + endif() + if(UNIX AND NOT APPLE) + file(RPATH_REMOVE FILE "${resolved_embedded_item}") + endif() + endif() + +endfunction() + + +function(fixup_bundle_item resolved_embedded_item exepath dirs) + # This item's key is "ikey": + # + get_item_key("${resolved_embedded_item}" ikey) + + # Ensure the item is "inside the .app bundle" -- it should not be fixed up if + # it is not in the .app bundle... Otherwise, we'll modify files in the build + # tree, or in other varied locations around the file system, with our call to + # install_name_tool. Make sure that doesn't happen here: + # + get_dotapp_dir("${exepath}" exe_dotapp_dir) + string(LENGTH "${exe_dotapp_dir}/" exe_dotapp_dir_length) + string(LENGTH "${resolved_embedded_item}" resolved_embedded_item_length) + set(path_too_short 0) + set(is_embedded 0) + if(${resolved_embedded_item_length} LESS ${exe_dotapp_dir_length}) + set(path_too_short 1) + endif() + if(NOT path_too_short) + string(SUBSTRING "${resolved_embedded_item}" 0 ${exe_dotapp_dir_length} item_substring) + if("${exe_dotapp_dir}/" STREQUAL "${item_substring}") + set(is_embedded 1) + endif() + endif() + if(NOT is_embedded) + message(" exe_dotapp_dir/='${exe_dotapp_dir}/'") + message(" item_substring='${item_substring}'") + message(" resolved_embedded_item='${resolved_embedded_item}'") + message("") + message("Install or copy the item into the bundle before calling fixup_bundle.") + message("Or maybe there's a typo or incorrect path in one of the args to fixup_bundle?") + message("") + message(FATAL_ERROR "cannot fixup an item that is not in the bundle...") + endif() + + set(prereqs "") + get_prerequisites("${resolved_embedded_item}" prereqs 1 0 "${exepath}" "${dirs}") + + set(changes "") + + foreach(pr ${prereqs}) + # Each referenced item's key is "rkey" in the loop: + # + get_item_key("${pr}" rkey) + + if(NOT "${${rkey}_EMBEDDED_ITEM}" STREQUAL "") + set(changes ${changes} "-change" "${pr}" "${${rkey}_EMBEDDED_ITEM}") + else() + message("warning: unexpected reference to '${pr}'") + endif() + endforeach() + + if(BU_CHMOD_BUNDLE_ITEMS) + execute_process(COMMAND chmod u+w "${resolved_embedded_item}") + endif() + + # Change this item's id and all of its references in one call + # to install_name_tool: + # + execute_process(COMMAND install_name_tool + ${changes} -id "${${ikey}_EMBEDDED_ITEM}" "${resolved_embedded_item}" + ) +endfunction() + + +function(fixup_bundle app libs dirs) + message(STATUS "fixup_bundle") + message(STATUS " app='${app}'") + message(STATUS " libs='${libs}'") + message(STATUS " dirs='${dirs}'") + + get_bundle_and_executable("${app}" bundle executable valid) + if(valid) + get_filename_component(exepath "${executable}" PATH) + + message(STATUS "fixup_bundle: preparing...") + get_bundle_keys("${app}" "${libs}" "${dirs}" keys) + + message(STATUS "fixup_bundle: copying...") + list(LENGTH keys n) + math(EXPR n ${n}*2) + + set(i 0) + foreach(key ${keys}) + math(EXPR i ${i}+1) + if(${${key}_COPYFLAG}) + message(STATUS "${i}/${n}: copying '${${key}_RESOLVED_ITEM}'") + else() + message(STATUS "${i}/${n}: *NOT* copying '${${key}_RESOLVED_ITEM}'") + endif() + + set(show_status 0) + if(show_status) + message(STATUS "key='${key}'") + message(STATUS "item='${${key}_ITEM}'") + message(STATUS "resolved_item='${${key}_RESOLVED_ITEM}'") + message(STATUS "default_embedded_path='${${key}_DEFAULT_EMBEDDED_PATH}'") + message(STATUS "embedded_item='${${key}_EMBEDDED_ITEM}'") + message(STATUS "resolved_embedded_item='${${key}_RESOLVED_EMBEDDED_ITEM}'") + message(STATUS "copyflag='${${key}_COPYFLAG}'") + message(STATUS "") + endif() + + if(${${key}_COPYFLAG}) + set(item "${${key}_ITEM}") + if(item MATCHES "[^/]+\\.framework/") + copy_resolved_framework_into_bundle("${${key}_RESOLVED_ITEM}" + "${${key}_RESOLVED_EMBEDDED_ITEM}") + else() + copy_resolved_item_into_bundle("${${key}_RESOLVED_ITEM}" + "${${key}_RESOLVED_EMBEDDED_ITEM}") + endif() + endif() + endforeach() + + message(STATUS "fixup_bundle: fixing...") + foreach(key ${keys}) + math(EXPR i ${i}+1) + if(APPLE) + message(STATUS "${i}/${n}: fixing up '${${key}_RESOLVED_EMBEDDED_ITEM}'") + fixup_bundle_item("${${key}_RESOLVED_EMBEDDED_ITEM}" "${exepath}" "${dirs}") + else() + message(STATUS "${i}/${n}: fix-up not required on this platform '${${key}_RESOLVED_EMBEDDED_ITEM}'") + endif() + endforeach() + + message(STATUS "fixup_bundle: cleaning up...") + clear_bundle_keys(keys) + + message(STATUS "fixup_bundle: verifying...") + verify_app("${app}") + else() + message(SEND_ERROR "error: fixup_bundle: not a valid bundle") + endif() + + message(STATUS "fixup_bundle: done") +endfunction() + + +function(copy_and_fixup_bundle src dst libs dirs) + execute_process(COMMAND ${CMAKE_COMMAND} -E copy_directory "${src}" "${dst}") + fixup_bundle("${dst}" "${libs}" "${dirs}") +endfunction() + + +function(verify_bundle_prerequisites bundle result_var info_var) + set(result 1) + set(info "") + set(count 0) + + get_bundle_main_executable("${bundle}" main_bundle_exe) + + file(GLOB_RECURSE file_list "${bundle}/*") + foreach(f ${file_list}) + is_file_executable("${f}" is_executable) + if(is_executable) + get_filename_component(exepath "${f}" PATH) + math(EXPR count "${count} + 1") + + message(STATUS "executable file ${count}: ${f}") + + set(prereqs "") + get_prerequisites("${f}" prereqs 1 1 "${exepath}" "") + + # On the Mac, + # "embedded" and "system" prerequisites are fine... anything else means + # the bundle's prerequisites are not verified (i.e., the bundle is not + # really "standalone") + # + # On Windows (and others? Linux/Unix/...?) + # "local" and "system" prereqs are fine... + # + set(external_prereqs "") + + foreach(p ${prereqs}) + set(p_type "") + gp_file_type("${f}" "${p}" p_type) + + if(APPLE) + if(NOT "${p_type}" STREQUAL "embedded" AND NOT "${p_type}" STREQUAL "system") + set(external_prereqs ${external_prereqs} "${p}") + endif() + else() + if(NOT "${p_type}" STREQUAL "local" AND NOT "${p_type}" STREQUAL "system") + set(external_prereqs ${external_prereqs} "${p}") + endif() + endif() + endforeach() + + if(external_prereqs) + # Found non-system/somehow-unacceptable prerequisites: + set(result 0) + set(info ${info} "external prerequisites found:\nf='${f}'\nexternal_prereqs='${external_prereqs}'\n") + endif() + endif() + endforeach() + + if(result) + set(info "Verified ${count} executable files in '${bundle}'") + endif() + + set(${result_var} "${result}" PARENT_SCOPE) + set(${info_var} "${info}" PARENT_SCOPE) +endfunction() + + +function(verify_bundle_symlinks bundle result_var info_var) + set(result 1) + set(info "") + set(count 0) + + # TODO: implement this function for real... + # Right now, it is just a stub that verifies unconditionally... + + set(${result_var} "${result}" PARENT_SCOPE) + set(${info_var} "${info}" PARENT_SCOPE) +endfunction() + + +function(verify_app app) + set(verified 0) + set(info "") + + get_bundle_and_executable("${app}" bundle executable valid) + + message(STATUS "===========================================================================") + message(STATUS "Analyzing app='${app}'") + message(STATUS "bundle='${bundle}'") + message(STATUS "executable='${executable}'") + message(STATUS "valid='${valid}'") + + # Verify that the bundle does not have any "external" prerequisites: + # + verify_bundle_prerequisites("${bundle}" verified info) + message(STATUS "verified='${verified}'") + message(STATUS "info='${info}'") + message(STATUS "") + + if(verified) + # Verify that the bundle does not have any symlinks to external files: + # + verify_bundle_symlinks("${bundle}" verified info) + message(STATUS "verified='${verified}'") + message(STATUS "info='${info}'") + message(STATUS "") + endif() + + if(NOT verified) + message(FATAL_ERROR "error: verify_app failed") + endif() +endfunction() diff --git a/cmake/GetPrerequisites.cmake b/cmake/GetPrerequisites.cmake new file mode 100644 index 00000000..9cbbad95 --- /dev/null +++ b/cmake/GetPrerequisites.cmake @@ -0,0 +1,895 @@ +# - 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) +# objdump (MinGW on 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() + endforeach() + + if(NOT contains) + set(${list_var} ${${list_var}} "${value}" PARENT_SCOPE) + endif() +endfunction() + + +function(is_file_executable file result_var) + # + # A file is not executable until proven otherwise: + # + set(${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() + + # 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() + + # Use the information returned from the Unix shell command "file" to + # determine if ${file_full} should be considered an executable file... + # + # If the file command's output contains "executable" and does *not* contain + # "text" then it is likely an executable suitable for prerequisite analysis + # via the get_prerequisites macro. + # + if(UNIX) + if(NOT file_cmd) + find_program(file_cmd "file") + mark_as_advanced(file_cmd) + endif() + + if(file_cmd) + execute_process(COMMAND "${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("${file_ov}" MATCHES "text") + #message(STATUS "but text, so *not* a binary executable!") + else() + set(${result_var} 1 PARENT_SCOPE) + return() + endif() + endif() + + # 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(${result_var} 1 PARENT_SCOPE) + return() + endif() + + else() + message(STATUS "warning: No 'file' command, skipping execute_process...") + endif() + endif() +endfunction() + + +function(gp_item_default_embedded_path item default_embedded_path_var) + + # On Windows and Linux, "embed" prerequisites in the same directory + # as the executable by default: + # + set(path "@executable_path") + set(overridden 0) + + # On the Mac, relative to the executable depending on the type + # of the thing we are embedding: + # + if(APPLE) + # + # The assumption here is that all executables in the bundle will be + # in same-level-directories inside the bundle. The parent directory + # of an executable inside the bundle should be MacOS or a sibling of + # MacOS and all embedded paths returned from here will begin with + # "@executable_path/../" and will work from all executables in all + # such same-level-directories inside the bundle. + # + + # By default, embed things right next to the main bundle executable: + # + set(path "@executable_path/../../Contents/MacOS") + + # Embed .dylibs right next to the main bundle executable: + # + if(item MATCHES "\\.dylib$") + set(path "@executable_path/../MacOS") + set(overridden 1) + endif() + + # 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() + endif() + 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("${item}" path) + endif() + + set(${default_embedded_path_var} "${path}" PARENT_SCOPE) +endfunction() + + +function(gp_resolve_item context item exepath dirs resolved_item_var) + set(resolved 0) + set(resolved_item "${item}") + + # Is it already resolved? + # + if(IS_ABSOLUTE "${resolved_item}" AND EXISTS "${resolved_item}") + set(resolved 1) + endif() + + 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() + message(STATUS "warning: embedded item does not exist '${ri}'") + endif() + endif() + endif() + + if(NOT resolved) + if(item MATCHES "@loader_path") + # + # @loader_path references are assumed relative to the + # PATH of the given "context" (presumably another library) + # + get_filename_component(contextpath "${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() + message(STATUS "warning: embedded item does not exist '${ri}'") + endif() + endif() + endif() + + if(NOT resolved) + if(item MATCHES "@rpath") + # + # @rpath references are relative to the paths built into the binaries with -rpath + # We handle this case like we do for other Unixes + # + string(REPLACE "@rpath/" "" norpath_item "${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 "${ri}") + set(ri "ri-NOTFOUND") + endif() + + endif() + endif() + + if(NOT resolved) + set(ri "ri-NOTFOUND") + find_file(ri "${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 "${ri}") + set(ri "ri-NOTFOUND") + endif() + endif() + + if(NOT resolved) + if(item MATCHES "[^/]+\\.framework/") + set(fw "fw-NOTFOUND") + find_file(fw "${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() + endif() + endif() + + # 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() + endif() + endif() + + # 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() + + 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='${resolved_item_var}' +#****************************************************************************** +#") + endif() + + set(${resolved_item_var} "${resolved_item}" PARENT_SCOPE) +endfunction() + + +function(gp_resolved_file_type original_file file exepath dirs type_var) + #message(STATUS "**") + + if(NOT IS_ABSOLUTE "${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)|${windir}/sys(tem|wow)|(.*/)*msvc[^/]+dll)") + set(is_system 1) + endif() + endif() + endif() + endif() + + if(NOT is_system) + get_filename_component(original_path "${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} "${type}" PARENT_SCOPE) +endfunction() + + +function(get_prerequisites target prerequisites_var exclude_system recurse exepath dirs) + set(verbose 0) + set(eol_char "E") + + if(NOT IS_ABSOLUTE "${target}") + message("warning: target '${target}' is not absolute...") + endif() + + if(NOT EXISTS "${target}") + message("warning: target '${target}' does not exist...") + endif() + + set(gp_cmd_paths ${gp_cmd_paths} + "C:/Program Files/Microsoft Visual Studio 9.0/VC/bin" + "C:/Program Files (x86)/Microsoft Visual Studio 9.0/VC/bin" + "C:/Program Files/Microsoft Visual Studio 8/VC/BIN" + "C:/Program Files (x86)/Microsoft Visual Studio 8/VC/BIN" + "C:/Program Files/Microsoft Visual Studio .NET 2003/VC7/BIN" + "C:/Program Files (x86)/Microsoft Visual Studio .NET 2003/VC7/BIN" + "/usr/local/bin" + "/usr/bin" + ) + + # <setup-gp_tool-vars> + # + # Try to choose the right tool by default. Caller can set gp_tool prior to + # calling this function to force using a different tool. + # + if("${gp_tool}" STREQUAL "") + set(gp_tool "ldd") + + if(APPLE) + set(gp_tool "otool") + endif() + + if(WIN32 AND NOT UNIX) # This is how to check for cygwin, har! + find_program(gp_dumpbin "dumpbin" PATHS ${gp_cmd_paths}) + if(gp_dumpbin) + set(gp_tool "dumpbin") + else() # Try harder. Maybe we're on MinGW + set(gp_tool "objdump") + endif() + endif() + endif() + + find_program(gp_cmd ${gp_tool} PATHS ${gp_cmd_paths}) + + if(NOT gp_cmd) + message(FATAL_ERROR "warning: could not find '${gp_tool}' - cannot analyze prerequisites!") + return() + endif() + + 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() + + 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}$") + set(gp_regex_error "") + set(gp_regex_fallback "") + set(gp_regex_cmp_count 3) + set(gp_tool_known 1) + endif() + + if("${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) + endif() + + if("${gp_tool}" STREQUAL "objdump") + set(gp_cmd_args "-p") + set(gp_regex "^\t*DLL Name: (.*\\.[Dd][Ll][Ll])${eol_char}$") + set(gp_regex_error "") + set(gp_regex_fallback "") + set(gp_regex_cmp_count 1) + set(gp_tool_known 1) + endif() + + if(NOT gp_tool_known) + message(STATUS "warning: gp_tool='${gp_tool}' is an unknown tool...") + message(STATUS "CMake function get_prerequisites needs more code to handle '${gp_tool}'") + message(STATUS "Valid gp_tool values are dumpbin, ldd, objdump and otool.") + return() + endif() + + + if("${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 "${gp_cmd_dlls_dir}") + set(gp_found_cmd_dlls_dir 1) + endif() + endforeach() + + if(NOT gp_found_cmd_dlls_dir) + file(TO_NATIVE_PATH "${gp_cmd_dlls_dir}" gp_cmd_dlls_dir) + set(ENV{PATH} "$ENV{PATH};${gp_cmd_dlls_dir}") + endif() + endif() + endif() + # + # </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() + endif() + + + # 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} "${old_ld_env}") + endif() + + if(verbose) + message(STATUS "<RawOutput cmd='${gp_cmd} ${gp_cmd_args} ${target}'>") + message(STATUS "gp_cmd_ov='${gp_cmd_ov}'") + message(STATUS "</RawOutput>") + endif() + + 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() + endif() + + # 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 "${candidate}") + else() + string(REGEX REPLACE "${gp_regex}" "\\1" raw_item "${candidate}") + endif() + + if(gp_regex_cmp_count GREATER 1) + string(REGEX REPLACE "${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 "${raw_compat_version}") + endif() + + if(gp_regex_cmp_count GREATER 2) + string(REGEX REPLACE "${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 "${raw_current_version}") + endif() + + # Use the raw_item as the list entries returned by this function. Use the + # gp_resolve_item function to resolve it to an actual full path file if + # necessary. + # + set(item "${raw_item}") + + # Add each item unless it is excluded: + # + set(add_item 1) + + if("${item}" STREQUAL "${gp_install_id}") + set(add_item 0) + endif() + + 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() + endif() + + 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() + endif() + endif() + else() + if(verbose) + message(STATUS "ignoring non-matching line: '${candidate}'") + endif() + endif() + endforeach() + + list(LENGTH ${prerequisites_var} prerequisites_var_length) + if(prerequisites_var_length GREATER 0) + list(SORT ${prerequisites_var}) + endif() + if(${recurse}) + set(more_inputs ${unseen_prereqs}) + foreach(input ${more_inputs}) + get_prerequisites("${input}" ${prerequisites_var} ${exclude_system} ${recurse} "${exepath}" "${dirs}") + endforeach() + endif() + + set(${prerequisites_var} ${${prerequisites_var}} PARENT_SCOPE) +endfunction() + + +function(list_prerequisites target) + if("${ARGV1}" STREQUAL "") + set(all 1) + else() + set(all "${ARGV1}") + endif() + + if("${ARGV2}" STREQUAL "") + set(exclude_system 0) + else() + set(exclude_system "${ARGV2}") + endif() + + if("${ARGV3}" STREQUAL "") + set(verbose 0) + else() + set(verbose "${ARGV3}") + endif() + + 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() + + foreach(d ${prereqs}) + math(EXPR count "${count} + 1") + + if(print_count) + set(count_str "${count}. ") + endif() + + if(print_prerequisite_type) + gp_file_type("${target}" "${d}" type) + set(type_str " (${type})") + endif() + + message(STATUS "${count_str}${d}${type_str}") + endforeach() +endfunction() + + +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() + endforeach() +endfunction() |