CMake/Modules/FindPerl.cmake

84 lines
3.0 KiB
CMake

# - Find perl
# this module looks for Perl
#
# PERL_EXECUTABLE - the full path to perl
# PERL_FOUND - If false, don't attempt to use perl.
# PERL_VERSION_STRING - version of perl found (since CMake 2.8.8)
#=============================================================================
# Copyright 2001-2009 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.)
INCLUDE(FindCygwin)
SET(PERL_POSSIBLE_BIN_PATHS
${CYGWIN_INSTALL_PATH}/bin
)
IF(WIN32)
GET_FILENAME_COMPONENT(
ActivePerl_CurrentVersion
"[HKEY_LOCAL_MACHINE\\SOFTWARE\\ActiveState\\ActivePerl;CurrentVersion]"
NAME)
SET(PERL_POSSIBLE_BIN_PATHS ${PERL_POSSIBLE_BIN_PATHS}
"C:/Perl/bin"
[HKEY_LOCAL_MACHINE\\SOFTWARE\\ActiveState\\ActivePerl\\${ActivePerl_CurrentVersion}]/bin
)
ENDIF(WIN32)
FIND_PROGRAM(PERL_EXECUTABLE
NAMES perl
PATHS ${PERL_POSSIBLE_BIN_PATHS}
)
IF(PERL_EXECUTABLE)
### PERL_VERSION
EXECUTE_PROCESS(
COMMAND
${PERL_EXECUTABLE} -V:version
OUTPUT_VARIABLE
PERL_VERSION_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_VERSION_RESULT_VARIABLE
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
IF(NOT PERL_VERSION_RESULT_VARIABLE AND NOT PERL_VERSION_OUTPUT_VARIABLE MATCHES "^version='UNKNOWN'")
STRING(REGEX REPLACE "version='([^']+)'.*" "\\1" PERL_VERSION_STRING ${PERL_VERSION_OUTPUT_VARIABLE})
ELSE()
EXECUTE_PROCESS(
COMMAND ${PERL_EXECUTABLE} -v
OUTPUT_VARIABLE PERL_VERSION_OUTPUT_VARIABLE
RESULT_VARIABLE PERL_VERSION_RESULT_VARIABLE
ERROR_QUIET
OUTPUT_STRIP_TRAILING_WHITESPACE
)
IF(NOT PERL_VERSION_RESULT_VARIABLE AND PERL_VERSION_OUTPUT_VARIABLE MATCHES "This is perl.*[ \\(]v([0-9\\._]+)[ \\)]")
STRING(REGEX REPLACE ".*This is perl.*[ \\(]v([0-9\\._]+)[ \\)].*" "\\1" PERL_VERSION_STRING ${PERL_VERSION_OUTPUT_VARIABLE})
ELSEIF(NOT PERL_VERSION_RESULT_VARIABLE AND PERL_VERSION_OUTPUT_VARIABLE MATCHES "This is perl, version ([0-9\\._]+) +")
STRING(REGEX REPLACE ".*This is perl, version ([0-9\\._]+) +.*" "\\1" PERL_VERSION_STRING ${PERL_VERSION_OUTPUT_VARIABLE})
ENDIF()
ENDIF()
ENDIF(PERL_EXECUTABLE)
# Deprecated settings for compatibility with CMake1.4
SET(PERL ${PERL_EXECUTABLE})
# handle the QUIETLY and REQUIRED arguments and set PERL_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Perl
REQUIRED_VARS PERL_EXECUTABLE
VERSION_VAR PERL_VERSION_STRING)
MARK_AS_ADVANCED(PERL_EXECUTABLE)