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95 lines
3.0 KiB
95 lines
3.0 KiB
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindPerl
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--------
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Find a Perl interpreter.
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This module defines the following variables:
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``PERL_EXECUTABLE``
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The full path to Perl.
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``PERL_FOUND``
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True if the Perl executable was found.
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``PERL_VERSION_STRING``
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.. versionadded:: 2.8.8
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The version of Perl found.
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#]=======================================================================]
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include(${CMAKE_CURRENT_LIST_DIR}/FindCygwin.cmake)
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include(${CMAKE_CURRENT_LIST_DIR}/FindMsys.cmake)
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set(PERL_POSSIBLE_BIN_PATHS
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${CYGWIN_INSTALL_PATH}/bin
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${MSYS_INSTALL_PATH}/usr/bin
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)
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if(WIN32)
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get_filename_component(
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ActivePerl_CurrentVersion
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"[HKEY_LOCAL_MACHINE\\SOFTWARE\\ActiveState\\ActivePerl;CurrentVersion]"
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NAME)
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set(PERL_POSSIBLE_BIN_PATHS ${PERL_POSSIBLE_BIN_PATHS}
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"C:/Perl/bin"
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"C:/Strawberry/perl/bin"
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[HKEY_LOCAL_MACHINE\\SOFTWARE\\ActiveState\\ActivePerl\\${ActivePerl_CurrentVersion}]/bin
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)
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endif()
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find_program(PERL_EXECUTABLE
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NAMES perl
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PATHS ${PERL_POSSIBLE_BIN_PATHS}
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)
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if(PERL_EXECUTABLE)
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### PERL_VERSION
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:version
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OUTPUT_VARIABLE
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PERL_VERSION_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_VERSION_RESULT_VARIABLE
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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if(NOT PERL_VERSION_RESULT_VARIABLE AND NOT PERL_VERSION_OUTPUT_VARIABLE MATCHES "^version='UNKNOWN'")
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string(REGEX REPLACE "version='([^']+)'.*" "\\1" PERL_VERSION_STRING ${PERL_VERSION_OUTPUT_VARIABLE})
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else()
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execute_process(
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COMMAND ${PERL_EXECUTABLE} -v
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OUTPUT_VARIABLE PERL_VERSION_OUTPUT_VARIABLE
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RESULT_VARIABLE PERL_VERSION_RESULT_VARIABLE
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE
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)
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if(NOT PERL_VERSION_RESULT_VARIABLE AND PERL_VERSION_OUTPUT_VARIABLE MATCHES "This is perl.*[ \\(]v([0-9\\._]+)[ \\)]")
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set(PERL_VERSION_STRING "${CMAKE_MATCH_1}")
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elseif(NOT PERL_VERSION_RESULT_VARIABLE AND PERL_VERSION_OUTPUT_VARIABLE MATCHES "This is perl, version ([0-9\\._]+) +")
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set(PERL_VERSION_STRING "${CMAKE_MATCH_1}")
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endif()
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endif()
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endif()
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# Deprecated settings for compatibility with CMake1.4
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set(PERL ${PERL_EXECUTABLE})
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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if (CMAKE_FIND_PACKAGE_NAME STREQUAL "PerlLibs")
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# FindPerlLibs include()'s this module. It's an old pattern, but rather than
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# trying to suppress this from outside the module (which is then sensitive to
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# the contents, detect the case in this module and suppress it explicitly.
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set(FPHSA_NAME_MISMATCHED 1)
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endif ()
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(Perl
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REQUIRED_VARS PERL_EXECUTABLE
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VERSION_VAR PERL_VERSION_STRING)
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unset(FPHSA_NAME_MISMATCHED)
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mark_as_advanced(PERL_EXECUTABLE)
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