try to fix ca0be2f

Author: zdenop

CMakeLists.txt

@@ -150,20 +150,16 @@ if(CPPAN_BUILD)
     endif()
     add_subdirectory(.cppan)
 else()
-    if(Leptonica_DIR)
-        message(STATUS "Using Leptonica directory ${Leptonica_DIR} for build.")
+    find_package(PkgConfig)
+    if(PKG_CONFIG_EXECUTABLE)
+        pkg_check_modules(Leptonica REQUIRED lept>=${MINIMUM_LEPTONICA_VERSION})
+        link_directories(${Leptonica_LIBRARY_DIRS})
     else()
-        find_package(Leptonica ${MINIMUM_LEPTONICA_VERSION})
-        if (NOT Leptonica_FOUND)
-            find_package(PkgConfig)
-            if(PKG_CONFIG_EXECUTABLE)
-                pkg_check_modules(Leptonica REQUIRED lept>=${MINIMUM_LEPTONICA_VERSION})
-                link_directories(${Leptonica_LIBRARY_DIRS})
-            else()
-                message(FATAL_ERROR "Cannot find required library Leptonica. Quitting!")
-            endif(PKG_CONFIG_EXECUTABLE)
-        endif()
-    endif()
+        find_package(Leptonica ${MINIMUM_LEPTONICA_VERSION} REQUIRED CONFIG)
+    endif(PKG_CONFIG_EXECUTABLE)
+    if (NOT Leptonica_FOUND)
+        message(FATAL_ERROR "Cannot find required library Leptonica. Quitting!")
+    endif(NOT Leptonica_FOUND)
 endif()
 
 find_package(OpenCL QUIET)