Restore CMake stuff for PinkIndexer

See 3fe28041 where it was temporarily removed.

libcrystfel/CMakeLists.txt

@@ -2,6 +2,7 @@ project(libcrystfel VERSION ${CRYSTFEL_SHORT_VERSION} LANGUAGES C)
 
 find_package(Curses)
 find_package(XGANDALF)
+find_package(PINKINDEXER)
 find_package(FDIP)
 find_package(ZLIB REQUIRED)
 find_package(FLEX REQUIRED)
@@ -154,6 +155,11 @@ if (FDIP_FOUND)
   target_link_libraries(${PROJECT_NAME} PRIVATE ${FDIP_LIBRARIES})
 endif (FDIP_FOUND)
 
+if (PINKINDEXER_FOUND)
+  target_include_directories(${PROJECT_NAME} PRIVATE ${PINKINDEXER_INCLUDES})
+  target_link_libraries(${PROJECT_NAME} PRIVATE ${PINKINDEXER_LIBRARIES})
+endif (PINKINDEXER_FOUND)
+
 if (FFTW_FOUND)
   target_include_directories(${PROJECT_NAME} PRIVATE ${FFTW_INCLUDE_DIRS})
   target_link_libraries(${PROJECT_NAME} PRIVATE ${FFTW_LDFLAGS})