Merge topic 'FindPython-python2-soabi-suffix-fix' into release-3.19

afb0ffcac7 FindPython2: avoid doubling the extension in CPython2 SOABI

Acked-by: Kitware Robot <[email protected]>
Merge-request: !5574

Modules/FindPython/Support.cmake

@@ -453,7 +453,11 @@ function (_PYTHON_GET_CONFIG_VAR _PYTHON_PGCV_VALUE NAME)
         list (REMOVE_DUPLICATES _values)
       elseif (NAME STREQUAL "SOABI")
         # clean-up: remove prefix character and suffix
-        string (REGEX REPLACE "^[.-](.+)(${CMAKE_SHARED_LIBRARY_SUFFIX}|\\.(so|pyd))$" "\\1" _values "${_values}")
+        if (_values MATCHES "^(\\.${CMAKE_SHARED_LIBRARY_SUFFIX}|\\.so|\\.pyd)$")
+          set(_values "")
+        else()
+          string (REGEX REPLACE "^[.-](.+)(${CMAKE_SHARED_LIBRARY_SUFFIX}|\\.(so|pyd))$" "\\1" _values "${_values}")
+        endif()
       endif()
     endif()
   endif()
@@ -505,7 +509,11 @@ function (_PYTHON_GET_CONFIG_VAR _PYTHON_PGCV_VALUE NAME)
         endforeach()
         if (_values)
           # clean-up: remove prefix character and suffix
-          string (REGEX REPLACE "^[.-](.+)(${CMAKE_SHARED_LIBRARY_SUFFIX}|\\.(so|pyd))$" "\\1" _values "${_values}")
+          if (_values MATCHES "^(\\.${CMAKE_SHARED_LIBRARY_SUFFIX}|\\.so|\\.pyd)$")
+            set(_values "")
+          else()
+            string (REGEX REPLACE "^[.-](.+)(${CMAKE_SHARED_LIBRARY_SUFFIX}|\\.(so|pyd))$" "\\1" _values "${_values}")
+          endif()
         endif()
       endif()
     else()