summaryrefslogtreecommitdiffstats
path: root/Modules/FindPerl.cmake
diff options
context:
space:
mode:
authorRolf Eike Beer <eike@sf-mail.de>2012-01-18 17:08:43 (GMT)
committerRolf Eike Beer <eike@sf-mail.de>2012-02-01 18:31:17 (GMT)
commit31826b5166f0921d34625d86e82dd73fb47652d5 (patch)
tree3e44caa9513b502b7d38ba55cbcc8193773b355f /Modules/FindPerl.cmake
parentb2838626ddb451fbbffe0de5990d309696b28dfc (diff)
downloadCMake-31826b5166f0921d34625d86e82dd73fb47652d5.zip
CMake-31826b5166f0921d34625d86e82dd73fb47652d5.tar.gz
CMake-31826b5166f0921d34625d86e82dd73fb47652d5.tar.bz2
FindPerl{,Libs}: move version detection into FindPerl
If the first attempt of getting the version doesn't succeed, try a second approach.
Diffstat (limited to 'Modules/FindPerl.cmake')
-rw-r--r--Modules/FindPerl.cmake39
1 files changed, 36 insertions, 3 deletions
diff --git a/Modules/FindPerl.cmake b/Modules/FindPerl.cmake
index db393e7..ae686df 100644
--- a/Modules/FindPerl.cmake
+++ b/Modules/FindPerl.cmake
@@ -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)