cmake/FindPatch.cmake

   1 # .rst:
   2 # FindPatch
   3 # ----------
   4 #
   5 # Find patch executable.
   6 #
   7 # Result Variables
   8 # ^^^^^^^^^^^^^^^^
   9 #
  10 # This module defines the following variables:
  11 #
  12 # ``Patch_FOUND``
  13 #
  14 # ``Patch_EXECUTABLE``
  15 #
  16 # ``Patch_VERSION``
  17 #
  18 include(${CMAKE_ROOT}/Modules/FindPackageHandleStandardArgs.cmake)
  19
  20 if(CMAKE_HOST_WIN32)
  21   find_program(Patch_EXECUTABLE NAMES patch
  22     PATHS
  23       "$ENV{LOCALAPPDATA}/Programs/Git/bin"
  24       "$ENV{LOCALAPPDATA}/Programs/Git/usr/bin"
  25       "$ENV{APPDATA}/Programs/Git/bin"
  26       "$ENV{APPDATA}/Programs/Git/usr/bin"
  27   )
  28   mark_as_advanced(Patch_EXECUTABLE)
  29 else()
  30   find_program(Patch_EXECUTABLE NAMES patch)
  31   mark_as_advanced(Patch_EXECUTABLE)
  32 endif()
  33
  34 if(EXISTS "${Patch_EXECUTABLE}")
  35   execute_process(COMMAND ${Patch_EXECUTABLE} --version ERROR_QUIET OUTPUT_VARIABLE Patch_VERSION)
  36   string(REGEX REPLACE ".*patch ([^\n ]+).*" "\\1" Patch_VERSION "${Patch_VERSION}")
  37 endif()
  38
  39 find_package_handle_standard_args(Patch
  40   FOUND_VAR
  41     Patch_FOUND
  42   REQUIRED_VARS
  43     Patch_EXECUTABLE
  44   VERSION_VAR
  45     Patch_VERSION
  46 )