ENH: Improve detection of perl.h/libperl, issue #7898
This commit is contained in:
Philip Lowman
parent
eb5d0a7f61
commit
a94af4df64
@ -3,63 +3,226 @@
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# and libraries are. It also determines what the name of the library is. This
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# code sets the following variables:
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#
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# PERLLIBS_FOUND = True if perl.h & libperl were found
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# PERL_INCLUDE_PATH = path to where perl.h is found
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# PERL_LIBRARY = path to libperl
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# PERL_EXECUTABLE = full path to the perl binary
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#
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SET(PERL_POSSIBLE_INCLUDE_PATHS
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/usr/lib/perl/5.8.3/CORE
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/usr/lib/perl/5.8.2/CORE
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/usr/lib/perl/5.8.1/CORE
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/usr/lib/perl/5.8.0/CORE
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/usr/lib/perl/5.8/CORE
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)
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SET(PERL_POSSIBLE_LIB_PATHS
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/usr/lib
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)
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FIND_PATH(PERL_INCLUDE_PATH perl.h
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${PERL_POSSIBLE_INCLUDE_PATHS})
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# The following variables are also available if needed
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# (introduced after CMake 2.6.4)
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#
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# PERL_SITESEARCH = path to the sitesearch install dir
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# PERL_SITELIB = path to the sitelib install directory
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# PERL_VENDORARCH = path to the vendor arch install directory
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# PERL_VENDORLIB = path to the vendor lib install directory
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# PERL_ARCHLIB = path to the arch lib install directory
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# PERL_PRIVLIB = path to the priv lib install directory
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# PERL_EXTRA_C_FLAGS = Compilation flags used to build perl
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#
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# find the perl executable
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INCLUDE(FindPerl)
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include(FindPerl)
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IF(PERL_EXECUTABLE)
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EXEC_PROGRAM(${PERL_EXECUTABLE}
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ARGS -e "'use Config; print \$Config{libperl}, \"\\n\"'"
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OUTPUT_VARIABLE PERL_LIBRARY_OUTPUT_VARIABLE
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RETURN_VALUE PERL_LIBRARY_RETURN_VALUE
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)
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IF(NOT PERL_LIBRARY_RETURN_VALUE)
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FOREACH(path ${PERL_POSSIBLE_LIB_PATHS})
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SET(PERL_POSSIBLE_LIBRARY_NAME ${PERL_POSSIBLE_LIBRARY_NAME} "${path}/${PERL_LIBRARY_OUTPUT_VARIABLE}")
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ENDFOREACH(path ${PERL_POSSIBLE_LIB_PATHS})
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ENDIF(NOT PERL_LIBRARY_RETURN_VALUE)
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EXEC_PROGRAM(${PERL_EXECUTABLE}
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ARGS -e "'use Config; print \$Config{cppflags}, \"\\n\"'"
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OUTPUT_VARIABLE PERL_CPPFLAGS_OUTPUT_VARIABLE
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RETURN_VALUE PERL_CPPFLAGS_RETURN_VALUE
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)
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IF(NOT PERL_CPPFLAGS_RETURN_VALUE)
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SET(PERL_EXTRA_C_FLAGS ${PERL_CPPFLAGS_OUTPUT_VARIABLE})
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ENDIF(NOT PERL_CPPFLAGS_RETURN_VALUE)
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ENDIF(PERL_EXECUTABLE)
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FIND_LIBRARY(PERL_LIBRARY
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NAMES ${PERL_POSSIBLE_LIBRARY_NAME} perl5.8.0
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PATHS ${PERL_POSSIBLE_LIB_PATHS}
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if (PERL_EXECUTABLE)
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### PERL_PREFIX
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:prefix
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OUTPUT_VARIABLE
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PERL_PREFIX_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_PREFIX_RESULT_VARIABLE
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)
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if (NOT PERL_PREFIX_RESULT_VARIABLE)
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string(REGEX REPLACE "prefix='([^']+)'.*" "\\1" PERL_PREFIX ${PERL_PREFIX_OUTPUT_VARIABLE})
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endif (NOT PERL_PREFIX_RESULT_VARIABLE)
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### PERL_VERSION
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execute_process(
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COMMAND
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${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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)
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if (NOT PERL_VERSION_RESULT_VARIABLE)
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string(REGEX REPLACE "version='([^']+)'.*" "\\1" PERL_VERSION ${PERL_VERSION_OUTPUT_VARIABLE})
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endif (NOT PERL_VERSION_RESULT_VARIABLE)
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### PERL_ARCHNAME
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:archname
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OUTPUT_VARIABLE
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PERL_ARCHNAME_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_ARCHNAME_RESULT_VARIABLE
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)
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if (NOT PERL_ARCHNAME_RESULT_VARIABLE)
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string(REGEX REPLACE "archname='([^']+)'.*" "\\1" PERL_ARCHNAME ${PERL_ARCHNAME_OUTPUT_VARIABLE})
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endif (NOT PERL_ARCHNAME_RESULT_VARIABLE)
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### PERL_EXTRA_C_FLAGS
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:cppflags
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OUTPUT_VARIABLE
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PERL_CPPFLAGS_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_CPPFLAGS_RESULT_VARIABLE
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)
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if (NOT PERL_CPPFLAGS_RESULT_VARIABLE)
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string(REGEX REPLACE "cppflags='([^']+)'.*" "\\1" PERL_EXTRA_C_FLAGS ${PERL_CPPFLAGS_OUTPUT_VARIABLE})
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endif (NOT PERL_CPPFLAGS_RESULT_VARIABLE)
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### PERL_SITESEARCH
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:installsitesearch
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OUTPUT_VARIABLE
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PERL_SITESEARCH_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_SITESEARCH_RESULT_VARIABLE
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)
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if (NOT PERL_SITESEARCH_RESULT_VARIABLE)
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string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_SITESEARCH ${PERL_SITESEARCH_OUTPUT_VARIABLE})
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endif (NOT PERL_SITESEARCH_RESULT_VARIABLE)
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### PERL_SITELIB
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:installsitelib
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OUTPUT_VARIABLE
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PERL_SITELIB_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_SITELIB_RESULT_VARIABLE
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)
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if (NOT PERL_SITELIB_RESULT_VARIABLE)
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string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_SITELIB ${PERL_SITELIB_OUTPUT_VARIABLE})
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endif (NOT PERL_SITELIB_RESULT_VARIABLE)
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### PERL_VENDORARCH
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:installvendorarch
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OUTPUT_VARIABLE
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PERL_VENDORARCH_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_VENDORARCH_RESULT_VARIABLE
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)
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if (NOT PERL_VENDORARCH_RESULT_VARIABLE)
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string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_VENDORARCH ${PERL_VENDORARCH_OUTPUT_VARIABLE})
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endif (NOT PERL_VENDORARCH_RESULT_VARIABLE)
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### PERL_VENDORLIB
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:installvendorlib
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OUTPUT_VARIABLE
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PERL_VENDORLIB_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_VENDORLIB_RESULT_VARIABLE
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)
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if (NOT PERL_VENDORLIB_RESULT_VARIABLE)
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string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_VENDORLIB ${PERL_VENDORLIB_OUTPUT_VARIABLE})
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endif (NOT PERL_VENDORLIB_RESULT_VARIABLE)
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### PERL_ARCHLIB
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:installarchlib
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OUTPUT_VARIABLE
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PERL_ARCHLIB_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_ARCHLIB_RESULT_VARIABLE
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)
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if (NOT PERL_ARCHLIB_RESULT_VARIABLE)
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string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_ARCHLIB ${PERL_ARCHLIB_OUTPUT_VARIABLE})
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endif (NOT PERL_ARCHLIB_RESULT_VARIABLE)
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### PERL_PRIVLIB
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:installprivlib
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OUTPUT_VARIABLE
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PERL_PRIVLIB_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_PRIVLIB_RESULT_VARIABLE
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)
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if (NOT PERL_PRIVLIB_RESULT_VARIABLE)
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string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_PRIVLIB ${PERL_PRIVLIB_OUTPUT_VARIABLE})
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endif (NOT PERL_PRIVLIB_RESULT_VARIABLE)
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### PERL_POSSIBLE_INCLUDE_PATHS
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set(PERL_POSSIBLE_INCLUDE_PATHS
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/usr/lib/perl5/${PERL_VERSION}/${PERL_ARCHNAME}/CORE
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/usr/lib/perl/${PERL_VERSION}/${PERL_ARCHNAME}/CORE
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/usr/lib/perl5/${PERL_VERSION}/CORE
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/usr/lib/perl/${PERL_VERSION}/CORE
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)
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### PERL_POSSIBLE_LIB_PATHS
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set(PERL_POSSIBLE_LIB_PATHS
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${PERL_ARCHLIB}/CORE
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/usr/lib/perl5/${PERL_VERSION}/${PERL_ARCHNAME}/CORE
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/usr/lib/perl/${PERL_VERSION}/${PERL_ARCHNAME}/CORE
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/usr/lib/perl5/${PERL_VERSION}/CORE
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/usr/lib/perl/${PERL_VERSION}/CORE
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)
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### PERL_POSSIBLE_LIBRARY_NAME
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execute_process(
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COMMAND
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${PERL_EXECUTABLE} -V:libperl
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OUTPUT_VARIABLE
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PERL_LIBRARY_OUTPUT_VARIABLE
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RESULT_VARIABLE
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PERL_LIBRARY_RESULT_VARIABLE
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)
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if (NOT PERL_LIBRARY_RESULT_VARIABLE)
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foreach(_perl_lib_path ${PERL_POSSIBLE_LIB_PATHS})
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string(REGEX REPLACE "libperl='([^']+)'" "\\1" PERL_LIBRARY_OUTPUT_VARIABLE ${PERL_LIBRARY_OUTPUT_VARIABLE})
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set(PERL_POSSIBLE_LIBRARY_NAME ${PERL_POSSIBLE_LIBRARY_NAME} "${_perl_lib_path}/${PERL_LIBRARY_OUTPUT_VARIABLE}")
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endforeach(_perl_lib_path ${PERL_POSSIBLE_LIB_PATHS})
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endif (NOT PERL_LIBRARY_RESULT_VARIABLE)
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### PERL_INCLUDE_PATH
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find_path(PERL_INCLUDE_PATH
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NAMES
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perl.h
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PATHS
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${PERL_POSSIBLE_INCLUDE_PATHS}
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)
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### PERL_LIBRARY
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find_library(PERL_LIBRARY
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NAMES
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${PERL_POSSIBLE_LIBRARY_NAME}
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perl${PERL_VERSION}
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perl
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PATHS
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${PERL_POSSIBLE_LIB_PATHS}
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)
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endif (PERL_EXECUTABLE)
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# handle the QUIETLY and REQUIRED arguments and set PERLLIBS_FOUND to TRUE if
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# all listed variables are TRUE
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(PerlLibs DEFAULT_MSG PERL_LIBRARY PERL_INCLUDE_PATH)
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# Introduced after CMake 2.6.4 to bring module into compliance
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set(PERL_INCLUDE_DIR ${PERL_INCLUDE_PATH})
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set(PERL_INCLUDE_DIRS ${PERL_INCLUDE_PATH})
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set(PERL_LIBRARIES ${PERL_LIBRARY})
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MARK_AS_ADVANCED(
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mark_as_advanced(
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PERL_INCLUDE_PATH
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PERL_EXECUTABLE
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PERL_LIBRARY
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)
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)
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