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FindPerl{,Libs}: move version detection into FindPerl 

If the first attempt of getting the version doesn't succeed, try a second
approach.
This commit is contained in:
Rolf Eike Beer 2012-01-18 18:08:43 +01:00
parent b2838626dd
commit 31826b5166
2 changed files with 48 additions and 27 deletions
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39
Modules/FindPerl.cmake
View File

@ -1,8 +1,9 @@
# - 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_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.
@ -39,12 +40,44 @@ FIND_PROGRAM(PERL_EXECUTABLE
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 DEFAULT_MSG PERL_EXECUTABLE)
FIND_PACKAGE_HANDLE_STANDARD_ARGS(Perl
REQUIRED_VARS PERL_EXECUTABLE
VERSION_VAR PERL_VERSION_STRING)
MARK_AS_ADVANCED(PERL_EXECUTABLE)

36
Modules/FindPerlLibs.cmake
View File

@ -55,19 +55,6 @@ if (PERL_EXECUTABLE)
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)
### PERL_ARCHNAME
execute_process(
COMMAND
@ -206,19 +193,19 @@ if (PERL_EXECUTABLE)
### PERL_POSSIBLE_INCLUDE_PATHS
set(PERL_POSSIBLE_INCLUDE_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/${PERL_VERSION}/CORE
/usr/lib/perl5/${PERL_VERSION_STRING}/${PERL_ARCHNAME}/CORE
/usr/lib/perl/${PERL_VERSION_STRING}/${PERL_ARCHNAME}/CORE
/usr/lib/perl5/${PERL_VERSION_STRING}/CORE
/usr/lib/perl/${PERL_VERSION_STRING}/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/${PERL_VERSION}/CORE
/usr/lib/perl5/${PERL_VERSION_STRING}/${PERL_ARCHNAME}/CORE
/usr/lib/perl/${PERL_VERSION_STRING}/${PERL_ARCHNAME}/CORE
/usr/lib/perl5/${PERL_VERSION_STRING}/CORE
/usr/lib/perl/${PERL_VERSION_STRING}/CORE
)
### PERL_POSSIBLE_LIBRARY_NAME
@ -249,7 +236,7 @@ if (PERL_EXECUTABLE)
find_library(PERL_LIBRARY
NAMES
${PERL_POSSIBLE_LIBRARY_NAME}
perl${PERL_VERSION}
perl${PERL_VERSION_STRING}
perl
PATHS
${PERL_POSSIBLE_LIB_PATHS}
@ -261,15 +248,16 @@ endif (PERL_EXECUTABLE)
# all listed variables are TRUE
include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
find_package_handle_standard_args(PerlLibs REQUIRED_VARS PERL_LIBRARY PERL_INCLUDE_PATH
VERSION_VAR PERL_VERSION)
VERSION_VAR PERL_VERSION_STRING)
# 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})
# For backward compatibility with CMake before 2.8.7
set(PERL_VERSION ${PERL_VERSION_STRING})
mark_as_advanced(
PERL_INCLUDE_PATH
PERL_EXECUTABLE
PERL_LIBRARY
)