Commit a94af4df authored by Philip Lowman's avatar Philip Lowman

ENH: Improve detection of perl.h/libperl, issue #7898

parent eb5d0a7f
......@@ -3,63 +3,226 @@
# and libraries are. It also determines what the name of the library is. This
# code sets the following variables:
#
# PERLLIBS_FOUND = True if perl.h & libperl were found
# PERL_INCLUDE_PATH = path to where perl.h is found
# PERL_LIBRARY = path to libperl
# PERL_EXECUTABLE = full path to the perl binary
#
# The following variables are also available if needed
# (introduced after CMake 2.6.4)
#
# PERL_SITESEARCH = path to the sitesearch install dir
# PERL_SITELIB = path to the sitelib install directory
# PERL_VENDORARCH = path to the vendor arch install directory
# PERL_VENDORLIB = path to the vendor lib install directory
# PERL_ARCHLIB = path to the arch lib install directory
# PERL_PRIVLIB = path to the priv lib install directory
# PERL_EXTRA_C_FLAGS = Compilation flags used to build perl
#
# find the perl executable
include(FindPerl)
SET(PERL_POSSIBLE_INCLUDE_PATHS
/usr/lib/perl/5.8.3/CORE
/usr/lib/perl/5.8.2/CORE
/usr/lib/perl/5.8.1/CORE
/usr/lib/perl/5.8.0/CORE
/usr/lib/perl/5.8/CORE
if (PERL_EXECUTABLE)
### PERL_PREFIX
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:prefix
OUTPUT_VARIABLE
PERL_PREFIX_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_PREFIX_RESULT_VARIABLE
)
SET(PERL_POSSIBLE_LIB_PATHS
/usr/lib
if (NOT PERL_PREFIX_RESULT_VARIABLE)
string(REGEX REPLACE "prefix='([^']+)'.*" "\\1" PERL_PREFIX ${PERL_PREFIX_OUTPUT_VARIABLE})
endif (NOT PERL_PREFIX_RESULT_VARIABLE)
### PERL_VERSION
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:version
OUTPUT_VARIABLE
PERL_VERSION_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_VERSION_RESULT_VARIABLE
)
if (NOT PERL_VERSION_RESULT_VARIABLE)
string(REGEX REPLACE "version='([^']+)'.*" "\\1" PERL_VERSION ${PERL_VERSION_OUTPUT_VARIABLE})
endif (NOT PERL_VERSION_RESULT_VARIABLE)
FIND_PATH(PERL_INCLUDE_PATH perl.h
${PERL_POSSIBLE_INCLUDE_PATHS})
### PERL_ARCHNAME
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:archname
OUTPUT_VARIABLE
PERL_ARCHNAME_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_ARCHNAME_RESULT_VARIABLE
)
if (NOT PERL_ARCHNAME_RESULT_VARIABLE)
string(REGEX REPLACE "archname='([^']+)'.*" "\\1" PERL_ARCHNAME ${PERL_ARCHNAME_OUTPUT_VARIABLE})
endif (NOT PERL_ARCHNAME_RESULT_VARIABLE)
# find the perl executable
INCLUDE(FindPerl)
IF(PERL_EXECUTABLE)
EXEC_PROGRAM(${PERL_EXECUTABLE}
ARGS -e "'use Config; print \$Config{libperl}, \"\\n\"'"
OUTPUT_VARIABLE PERL_LIBRARY_OUTPUT_VARIABLE
RETURN_VALUE PERL_LIBRARY_RETURN_VALUE
### PERL_EXTRA_C_FLAGS
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:cppflags
OUTPUT_VARIABLE
PERL_CPPFLAGS_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_CPPFLAGS_RESULT_VARIABLE
)
IF(NOT PERL_LIBRARY_RETURN_VALUE)
FOREACH(path ${PERL_POSSIBLE_LIB_PATHS})
SET(PERL_POSSIBLE_LIBRARY_NAME ${PERL_POSSIBLE_LIBRARY_NAME} "${path}/${PERL_LIBRARY_OUTPUT_VARIABLE}")
ENDFOREACH(path ${PERL_POSSIBLE_LIB_PATHS})
ENDIF(NOT PERL_LIBRARY_RETURN_VALUE)
EXEC_PROGRAM(${PERL_EXECUTABLE}
ARGS -e "'use Config; print \$Config{cppflags}, \"\\n\"'"
OUTPUT_VARIABLE PERL_CPPFLAGS_OUTPUT_VARIABLE
RETURN_VALUE PERL_CPPFLAGS_RETURN_VALUE
if (NOT PERL_CPPFLAGS_RESULT_VARIABLE)
string(REGEX REPLACE "cppflags='([^']+)'.*" "\\1" PERL_EXTRA_C_FLAGS ${PERL_CPPFLAGS_OUTPUT_VARIABLE})
endif (NOT PERL_CPPFLAGS_RESULT_VARIABLE)
### PERL_SITESEARCH
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:installsitesearch
OUTPUT_VARIABLE
PERL_SITESEARCH_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_SITESEARCH_RESULT_VARIABLE
)
if (NOT PERL_SITESEARCH_RESULT_VARIABLE)
string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_SITESEARCH ${PERL_SITESEARCH_OUTPUT_VARIABLE})
endif (NOT PERL_SITESEARCH_RESULT_VARIABLE)
### PERL_SITELIB
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:installsitelib
OUTPUT_VARIABLE
PERL_SITELIB_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_SITELIB_RESULT_VARIABLE
)
if (NOT PERL_SITELIB_RESULT_VARIABLE)
string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_SITELIB ${PERL_SITELIB_OUTPUT_VARIABLE})
endif (NOT PERL_SITELIB_RESULT_VARIABLE)
### PERL_VENDORARCH
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:installvendorarch
OUTPUT_VARIABLE
PERL_VENDORARCH_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_VENDORARCH_RESULT_VARIABLE
)
IF(NOT PERL_CPPFLAGS_RETURN_VALUE)
SET(PERL_EXTRA_C_FLAGS ${PERL_CPPFLAGS_OUTPUT_VARIABLE})
ENDIF(NOT PERL_CPPFLAGS_RETURN_VALUE)
ENDIF(PERL_EXECUTABLE)
FIND_LIBRARY(PERL_LIBRARY
NAMES ${PERL_POSSIBLE_LIBRARY_NAME} perl5.8.0
PATHS ${PERL_POSSIBLE_LIB_PATHS}
if (NOT PERL_VENDORARCH_RESULT_VARIABLE)
string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_VENDORARCH ${PERL_VENDORARCH_OUTPUT_VARIABLE})
endif (NOT PERL_VENDORARCH_RESULT_VARIABLE)
### PERL_VENDORLIB
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:installvendorlib
OUTPUT_VARIABLE
PERL_VENDORLIB_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_VENDORLIB_RESULT_VARIABLE
)
if (NOT PERL_VENDORLIB_RESULT_VARIABLE)
string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_VENDORLIB ${PERL_VENDORLIB_OUTPUT_VARIABLE})
endif (NOT PERL_VENDORLIB_RESULT_VARIABLE)
### PERL_ARCHLIB
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:installarchlib
OUTPUT_VARIABLE
PERL_ARCHLIB_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_ARCHLIB_RESULT_VARIABLE
)
if (NOT PERL_ARCHLIB_RESULT_VARIABLE)
string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_ARCHLIB ${PERL_ARCHLIB_OUTPUT_VARIABLE})
endif (NOT PERL_ARCHLIB_RESULT_VARIABLE)
### PERL_PRIVLIB
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:installprivlib
OUTPUT_VARIABLE
PERL_PRIVLIB_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_PRIVLIB_RESULT_VARIABLE
)
if (NOT PERL_PRIVLIB_RESULT_VARIABLE)
string(REGEX REPLACE "install[a-z]+='([^']+)'.*" "\\1" PERL_PRIVLIB ${PERL_PRIVLIB_OUTPUT_VARIABLE})
endif (NOT PERL_PRIVLIB_RESULT_VARIABLE)
### PERL_POSSIBLE_INCLUDE_PATHS
set(PERL_POSSIBLE_INCLUDE_PATHS
/usr/lib/perl5/${PERL_VERSION}/${PERL_ARCHNAME}/CORE
/usr/lib/perl/${PERL_VERSION}/${PERL_ARCHNAME}/CORE
/usr/lib/perl5/${PERL_VERSION}/CORE
/usr/lib/perl/${PERL_VERSION}/CORE
)
### PERL_POSSIBLE_LIB_PATHS
set(PERL_POSSIBLE_LIB_PATHS
${PERL_ARCHLIB}/CORE
/usr/lib/perl5/${PERL_VERSION}/${PERL_ARCHNAME}/CORE
/usr/lib/perl/${PERL_VERSION}/${PERL_ARCHNAME}/CORE
/usr/lib/perl5/${PERL_VERSION}/CORE
/usr/lib/perl/${PERL_VERSION}/CORE
)
### PERL_POSSIBLE_LIBRARY_NAME
execute_process(
COMMAND
${PERL_EXECUTABLE} -V:libperl
OUTPUT_VARIABLE
PERL_LIBRARY_OUTPUT_VARIABLE
RESULT_VARIABLE
PERL_LIBRARY_RESULT_VARIABLE
)
if (NOT PERL_LIBRARY_RESULT_VARIABLE)
foreach(_perl_lib_path ${PERL_POSSIBLE_LIB_PATHS})
string(REGEX REPLACE "libperl='([^']+)'" "\\1" PERL_LIBRARY_OUTPUT_VARIABLE ${PERL_LIBRARY_OUTPUT_VARIABLE})
set(PERL_POSSIBLE_LIBRARY_NAME ${PERL_POSSIBLE_LIBRARY_NAME} "${_perl_lib_path}/${PERL_LIBRARY_OUTPUT_VARIABLE}")
endforeach(_perl_lib_path ${PERL_POSSIBLE_LIB_PATHS})
endif (NOT PERL_LIBRARY_RESULT_VARIABLE)
### PERL_INCLUDE_PATH
find_path(PERL_INCLUDE_PATH
NAMES
perl.h
PATHS
${PERL_POSSIBLE_INCLUDE_PATHS}
)
### PERL_LIBRARY
find_library(PERL_LIBRARY
NAMES
${PERL_POSSIBLE_LIBRARY_NAME}
perl${PERL_VERSION}
perl
PATHS
${PERL_POSSIBLE_LIB_PATHS}
)
endif (PERL_EXECUTABLE)
# handle the QUIETLY and REQUIRED arguments and set PERLLIBS_FOUND to TRUE if
# all listed variables are TRUE
INCLUDE(FindPackageHandleStandardArgs)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(PerlLibs DEFAULT_MSG PERL_LIBRARY PERL_INCLUDE_PATH)
# Introduced after CMake 2.6.4 to bring module into compliance
set(PERL_INCLUDE_DIR ${PERL_INCLUDE_PATH})
set(PERL_INCLUDE_DIRS ${PERL_INCLUDE_PATH})
set(PERL_LIBRARIES ${PERL_LIBRARY})
MARK_AS_ADVANCED(
mark_as_advanced(
PERL_INCLUDE_PATH
PERL_EXECUTABLE
PERL_LIBRARY
)
)
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