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#
# Copyright (C) 2004-2025 ZNC, see the NOTICE file for details.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# perl 5.20 will fix this warning:
# https://rt.perl.org/Public/Bug/Display.html?id=120670
set(PERL_CFLAGS -Wno-reserved-user-defined-literal -Wno-literal-suffix
CACHE STRING "Perl compiler flags")
if(PerlLibs_FIND_VERSION_EXACT)
set(_PerlLibs_exact EXACT)
else()
set(_PerlLibs_exact)
endif()
find_package(Perl ${PerlLibs_FIND_VERSION} ${PerlLibs_exact} QUIET)
if(PERL_FOUND)
if(PERL_INCLUDE_DIR AND PERL_LIBRARIES)
else()
execute_process(
COMMAND "${PERL_EXECUTABLE}" -MExtUtils::Embed -e perl_inc
OUTPUT_VARIABLE _PerlLibs_inc_output
OUTPUT_STRIP_TRAILING_WHITESPACE)
string(REGEX REPLACE "^ *-I" "" _PerlLibs_include
"${_PerlLibs_inc_output}")
execute_process(
COMMAND "${PERL_EXECUTABLE}" -MExtUtils::Embed -e ldopts
OUTPUT_VARIABLE _PerlLibs_ld_output
OUTPUT_STRIP_TRAILING_WHITESPACE)
separate_arguments(_PerlLibs_ld_output)
set(_PerlLibs_ldflags)
set(_PerlLibs_libraries)
foreach(_PerlLibs_i ${_PerlLibs_ld_output})
if("${_PerlLibs_i}" MATCHES "^-l")
list(APPEND _PerlLibs_libraries "${_PerlLibs_i}")
else()
set(_PerlLibs_ldflags "${_PerlLibs_ldflags} ${_PerlLibs_i}")
endif()
endforeach()
get_filename_component(_PerlLibs_dir "${CMAKE_CURRENT_LIST_FILE}"
DIRECTORY)
try_compile(_PerlLibs_try
"${CMAKE_CURRENT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/perl_check"
"${_PerlLibs_dir}/perl_check" perl_check
CMAKE_FLAGS
"-DPERL_INCLUDE_DIRS=${_PerlLibs_include}"
"-DPERL_LDFLAGS=${_PerlLibs_ldflags}"
"-DPERL_LIBRARIES=${_PerlLibs_libraries}"
"-DPERL_CFLAGS=${PERL_CFLAGS}"
OUTPUT_VARIABLE _PerlLibs_tryout)
if(_PerlLibs_try)
set(PERL_INCLUDE_DIR "${_PerlLibs_include}" CACHE PATH
"Perl include dir")
set(PERL_LDFLAGS "${_PerlLibs_ldflags}" CACHE STRING
"Perl linker flags")
set(PERL_LIBRARIES "${_PerlLibs_libraries}" CACHE STRING
"Perl libraries")
file(APPEND
"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeOutput.log"
"Output using Perl:\n${_PerlLibs_tryout}\n")
else()
set(_PerlLibs_failmsg FAIL_MESSAGE "Attempt to use Perl failed")
file(APPEND
"${CMAKE_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/CMakeError.log"
"Error using Perl:\n${_PerlLibs_tryout}\n")
endif()
endif()
else()
set(_PerlLibs_failmsg FAIL_MESSAGE "Perl not found")
endif()
find_package_handle_standard_args(PerlLibs
REQUIRED_VARS PERL_INCLUDE_DIR PERL_LIBRARIES
VERSION_VAR PERL_VERSION_STRING
${_PerlLibs_failmsg})
set(PERL_INCLUDE_DIRS "${PERL_INCLUDE_DIR}")
mark_as_advanced(PERL_INCLUDE_DIR PERL_LDFLAGS PERL_LIBRARIES PERL_CFLAGS)
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