Allow to build against packaged version of hunspell library.

Signed-off-by: Vitaly Zaitsev <vitaly@easycoding.org>

external/hunspell/CMakeLists.txt

@@ -4,49 +4,60 @@
 # For license and copyright information please follow this link:
 # https://github.com/desktop-app/legal/blob/master/LEGAL
 
-add_library(external_hunspell OBJECT)
-add_library(desktop-app::external_hunspell ALIAS external_hunspell)
-init_target(external_hunspell "(external)")
+if (DESKTOP_APP_USE_PACKAGED)
+    add_library(external_hunspell INTERFACE IMPORTED)
+    add_library(desktop-app::external_hunspell ALIAS external_hunspell)
 
-set(hunspell_loc ${third_party_loc}/hunspell)
-set(hunspell_src ${hunspell_loc}/src)
+    find_package(PkgConfig REQUIRED)
+    pkg_check_modules(HUNSPELL REQUIRED hunspell)
 
-nice_target_sources(external_hunspell ${hunspell_src}
-PRIVATE
-	hunspell/affentry.cxx
-	hunspell/affentry.hxx
-	hunspell/affixmgr.cxx
-	hunspell/affixmgr.hxx
-	hunspell/atypes.hxx
-	hunspell/baseaffix.hxx
-	hunspell/csutil.cxx
-	hunspell/csutil.hxx
-	hunspell/filemgr.cxx
-	hunspell/filemgr.hxx
-	hunspell/hashmgr.cxx
-	hunspell/hashmgr.hxx
-	hunspell/htypes.hxx
-	hunspell/hunspell.cxx
-	hunspell/hunspell.h
-	hunspell/hunspell.hxx
-	hunspell/hunvisapi.h
-	hunspell/hunzip.cxx
-	hunspell/hunzip.hxx
-	hunspell/phonet.cxx
-	hunspell/phonet.hxx
-	hunspell/replist.cxx
-	hunspell/replist.hxx
-	hunspell/suggestmgr.cxx
-	hunspell/suggestmgr.hxx
-	hunspell/utf_info.hxx
-)
+    target_include_directories(external_hunspell INTERFACE ${HUNSPELL_INCLUDE_DIRS})
+    target_link_libraries(external_hunspell INTERFACE ${HUNSPELL_LIBRARIES})
+else()
+    add_library(external_hunspell OBJECT)
+    add_library(desktop-app::external_hunspell ALIAS external_hunspell)
+    init_target(external_hunspell "(external)")
 
-target_include_directories(external_hunspell
-PUBLIC
-    ${hunspell_src}
-)
+    set(hunspell_loc ${third_party_loc}/hunspell)
+    set(hunspell_src ${hunspell_loc}/src)
 
-target_compile_definitions(external_hunspell
-PUBLIC
-	HUNSPELL_STATIC
-)
+    nice_target_sources(external_hunspell ${hunspell_src}
+    PRIVATE
+        hunspell/affentry.cxx
+        hunspell/affentry.hxx
+        hunspell/affixmgr.cxx
+        hunspell/affixmgr.hxx
+        hunspell/atypes.hxx
+        hunspell/baseaffix.hxx
+        hunspell/csutil.cxx
+        hunspell/csutil.hxx
+        hunspell/filemgr.cxx
+        hunspell/filemgr.hxx
+        hunspell/hashmgr.cxx
+        hunspell/hashmgr.hxx
+        hunspell/htypes.hxx
+        hunspell/hunspell.cxx
+        hunspell/hunspell.h
+        hunspell/hunspell.hxx
+        hunspell/hunvisapi.h
+        hunspell/hunzip.cxx
+        hunspell/hunzip.hxx
+        hunspell/phonet.cxx
+        hunspell/phonet.hxx
+        hunspell/replist.cxx
+        hunspell/replist.hxx
+        hunspell/suggestmgr.cxx
+        hunspell/suggestmgr.hxx
+        hunspell/utf_info.hxx
+    )
+
+    target_include_directories(external_hunspell
+    PUBLIC
+        ${hunspell_src}
+    )
+
+    target_compile_definitions(external_hunspell
+    PUBLIC
+        HUNSPELL_STATIC
+    )
+endif()