https://github.com/fcitx/fcitx/issues/475

--- a/cmake/FindEnchant.cmake
+++ b/cmake/FindEnchant.cmake
@@ -16,15 +16,15 @@
 endif(ENCHANT_INCLUDE_DIR AND ENCHANT_LIBRARIES)
 
 find_package(PkgConfig)
-pkg_check_modules(PC_ENCHANT enchant)
+pkg_check_modules(PC_ENCHANT enchant-2 enchant)
 
 find_path(ENCHANT_INCLUDE_DIR
   NAMES enchant.h
   HINTS ${PC_ENCHANT_INCLUDE_DIRS}
-  PATH_SUFFIXES "enchant")
+  PATH_SUFFIXES enchant-2 enchant)
 
 find_library(ENCHANT_LIBRARIES
-  NAMES enchant
+  NAMES enchant-2 enchant
   HINTS ${PC_ENCHANT_LIBRARY_DIRS})
 
 if(ENCHANT_INCLUDE_DIR AND ENCHANT_LIBRARIES)
@@ -39,7 +39,7 @@
   #include <stdlib.h>
   #include <stddef.h>
   #include <string.h>
-  #include <enchant/enchant.h>
+  #include <enchant.h>
 
   EnchantBroker *enchant_broker_init();
   char **enchant_dict_suggest(EnchantDict *dict, const char *str,