fix editable install collisions

Author: rok

docs/source/developers/python/building.rst

@@ -204,6 +204,7 @@ Windows tab under the :ref:`pyarrow_build_section` section.
 
          $ export ARROW_HOME=$(pwd)/dist
          $ export LD_LIBRARY_PATH=$(pwd)/dist/lib:$LD_LIBRARY_PATH
+         $ export DYLD_LIBRARY_PATH=$(pwd)/dist/lib:$DYLD_LIBRARY_PATH
          $ export CMAKE_PREFIX_PATH=$ARROW_HOME:$CMAKE_PREFIX_PATH
 
    .. tab-item:: Windows

python/CMakeLists.txt

@@ -927,6 +927,11 @@ if(CYTHON_VERSION VERSION_GREATER_EQUAL "3.1.0a0")
   list(APPEND CYTHON_FLAGS "-Xfreethreading_compatible=True")
 endif()
 
+set(PYARROW_EDITABLE_BUILD OFF)
+if(SKBUILD_STATE STREQUAL "editable")
+  set(PYARROW_EDITABLE_BUILD ON)
+endif()
+
 foreach(module ${CYTHON_EXTENSIONS})
   string(REPLACE "." ";" directories ${module})
   list(GET directories -1 module_name)
@@ -968,6 +973,9 @@ foreach(module ${CYTHON_EXTENSIONS})
         continue()
       endif()
     endif()
+    if(PYARROW_EDITABLE_BUILD AND module_name STREQUAL "lib" AND output STREQUAL "lib.h")
+      continue()
+    endif()
     install(FILES ${CMAKE_CURRENT_BINARY_DIR}/${output} DESTINATION ".")
   endforeach()
 endforeach()
@@ -1033,10 +1041,15 @@ endif()
 # alongside the package so type checkers can find them (PEP 561).
 set(PYARROW_STUBS_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/pyarrow-stubs/pyarrow")
 if(EXISTS "${PYARROW_STUBS_SOURCE_DIR}")
+  set(PYARROW_STUB_INSTALL_ARGS
+      FILES_MATCHING
+      PATTERN "*.pyi")
+  if(PYARROW_EDITABLE_BUILD)
+    list(APPEND PYARROW_STUB_INSTALL_ARGS PATTERN "lib.pyi" EXCLUDE)
+  endif()
   install(DIRECTORY "${PYARROW_STUBS_SOURCE_DIR}/"
           DESTINATION "."
-          FILES_MATCHING
-          PATTERN "*.pyi")
+          ${PYARROW_STUB_INSTALL_ARGS})
 
   if(PYARROW_REQUIRE_STUB_DOCSTRINGS)
     install(CODE "