cmake/CREAMacro_PreventInSourceBuild.cmake

   1
   2 MACRO(CREA_PREVENT_IN_SOURCE_BUILD)
   3   IF(NOT CREA_ALLOW_IN_SOURCE_BUILD)
   4     #------------------------------------------------------------------------
   5     # Building in the source tree is forbidden !
   6     # except if CREA_ALLOW_IN_SOURCE_BUILD is set,
   7     # e.g. for packaging with rpmbuild
   8     IF(PROJECT_BINARY_DIR STREQUAL ${PROJECT_SOURCE_DIR})
   9       MESSAGE(FATAL_ERROR "Building in the source tree is not allowed !! Quit; remove the file 'CMakeCache.txt' and the folder 'CMakeFiles' and build outside the sources")
  10     ENDIF(PROJECT_BINARY_DIR STREQUAL ${PROJECT_SOURCE_DIR})
  11     #------------------------------------------------------------------------
  12   ENDIF(NOT CREA_ALLOW_IN_SOURCE_BUILD)
  13 ENDMACRO(CREA_PREVENT_IN_SOURCE_BUILD)