| |
| #============================================================================= |
| # Copyright 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 parse implicit linker options. |
| # This is used internally by CMake and should not be included by user |
| # code. |
| |
| function(CMAKE_PARSE_IMPLICIT_LINK_INFO text lib_var dir_var log_var obj_regex) |
| set(implicit_libs_tmp "") |
| set(implicit_dirs_tmp) |
| set(log "") |
| |
| # Parse implicit linker arguments. |
| set(linker "CMAKE_LINKER-NOTFOUND") |
| if(CMAKE_LINKER) |
| get_filename_component(linker ${CMAKE_LINKER} NAME) |
| endif() |
| # Construct a regex to match linker lines. It must match both the |
| # whole line and just the command (argv[0]). |
| set(linker_regex "^( *|.*[/\\])(${linker}|ld|collect2)[^/\\]*( |$)") |
| set(linker_exclude_regex "collect2 version ") |
| set(log "${log} link line regex: [${linker_regex}]\n") |
| string(REGEX REPLACE "\r?\n" ";" output_lines "${text}") |
| foreach(line IN LISTS output_lines) |
| set(cmd) |
| if("${line}" MATCHES "${linker_regex}" AND |
| NOT "${line}" MATCHES "${linker_exclude_regex}") |
| if(UNIX) |
| separate_arguments(args UNIX_COMMAND "${line}") |
| else() |
| separate_arguments(args WINDOWS_COMMAND "${line}") |
| endif() |
| list(GET args 0 cmd) |
| endif() |
| if("${cmd}" MATCHES "${linker_regex}") |
| set(log "${log} link line: [${line}]\n") |
| string(REGEX REPLACE ";-([LYz]);" ";-\\1" args "${args}") |
| foreach(arg IN LISTS args) |
| if("${arg}" MATCHES "^-L(.:)?[/\\]") |
| # Unix search path. |
| string(REGEX REPLACE "^-L" "" dir "${arg}") |
| list(APPEND implicit_dirs_tmp ${dir}) |
| set(log "${log} arg [${arg}] ==> dir [${dir}]\n") |
| elseif("${arg}" MATCHES "^-l[^:]") |
| # Unix library. |
| string(REGEX REPLACE "^-l" "" lib "${arg}") |
| list(APPEND implicit_libs_tmp ${lib}) |
| set(log "${log} arg [${arg}] ==> lib [${lib}]\n") |
| elseif("${arg}" MATCHES "^(.:)?[/\\].*\\.a$") |
| # Unix library full path. |
| list(APPEND implicit_libs_tmp ${arg}) |
| set(log "${log} arg [${arg}] ==> lib [${arg}]\n") |
| elseif("${arg}" MATCHES "^(.:)?[/\\].*\\.o$" |
| AND obj_regex AND "${arg}" MATCHES "${obj_regex}") |
| # Object file full path. |
| list(APPEND implicit_libs_tmp ${arg}) |
| set(log "${log} arg [${arg}] ==> obj [${arg}]\n") |
| elseif("${arg}" MATCHES "^-Y(P,)?[^0-9]") |
| # Sun search path ([^0-9] avoids conflict with Mac -Y<num>). |
| string(REGEX REPLACE "^-Y(P,)?" "" dirs "${arg}") |
| string(REPLACE ":" ";" dirs "${dirs}") |
| list(APPEND implicit_dirs_tmp ${dirs}) |
| set(log "${log} arg [${arg}] ==> dirs [${dirs}]\n") |
| elseif("${arg}" MATCHES "^-l:") |
| # HP named library. |
| list(APPEND implicit_libs_tmp ${arg}) |
| set(log "${log} arg [${arg}] ==> lib [${arg}]\n") |
| elseif("${arg}" MATCHES "^-z(all|default|weak)extract") |
| # Link editor option. |
| list(APPEND implicit_libs_tmp ${arg}) |
| set(log "${log} arg [${arg}] ==> opt [${arg}]\n") |
| else() |
| set(log "${log} arg [${arg}] ==> ignore\n") |
| endif() |
| endforeach() |
| break() |
| elseif("${line}" MATCHES "LPATH(=| is:? )") |
| set(log "${log} LPATH line: [${line}]\n") |
| # HP search path. |
| string(REGEX REPLACE ".*LPATH(=| is:? *)" "" paths "${line}") |
| string(REPLACE ":" ";" paths "${paths}") |
| list(APPEND implicit_dirs_tmp ${paths}) |
| set(log "${log} dirs [${paths}]\n") |
| else() |
| set(log "${log} ignore line: [${line}]\n") |
| endif() |
| endforeach() |
| |
| # Cleanup list of libraries and flags. |
| # We remove items that are not language-specific. |
| set(implicit_libs "") |
| foreach(lib IN LISTS implicit_libs_tmp) |
| if("${lib}" MATCHES "^(crt.*\\.o|gcc.*|System.*)$") |
| set(log "${log} remove lib [${lib}]\n") |
| else() |
| list(APPEND implicit_libs "${lib}") |
| endif() |
| endforeach() |
| |
| # Cleanup list of directories. |
| set(implicit_dirs "") |
| foreach(d IN LISTS implicit_dirs_tmp) |
| get_filename_component(dir "${d}" ABSOLUTE) |
| list(APPEND implicit_dirs "${dir}") |
| set(log "${log} collapse dir [${d}] ==> [${dir}]\n") |
| endforeach() |
| list(REMOVE_DUPLICATES implicit_dirs) |
| |
| # Log results. |
| set(log "${log} implicit libs: [${implicit_libs}]\n") |
| set(log "${log} implicit dirs: [${implicit_dirs}]\n") |
| |
| # Return results. |
| set(${lib_var} "${implicit_libs}" PARENT_SCOPE) |
| set(${dir_var} "${implicit_dirs}" PARENT_SCOPE) |
| set(${log_var} "${log}" PARENT_SCOPE) |
| endfunction() |