Fix PCRECPP detection in CMake script

CMakeLists.txt

@@ -56,12 +56,9 @@ LINK_DIRECTORIES(${YAML_CPP_LIBRARY_DIRS})
 INCLUDE_DIRECTORIES(${YAML_CPP_INCLUDE_DIRS})
 TARGET_LINK_LIBRARIES(subconverter ${YAML_CPP_LIBRARY})
 
-PKG_CHECK_MODULES(PCRE libpcre REQUIRED)
-FIND_PATH(PCRE_INCLUDE_DIR NAMES pcre.h PATHS ${PCRE_INCLUDE_DIRS})
-FIND_LIBRARY(PCRE_LIBRARY NAMES pcrecpp pcre PATHS ${PCRE_LIBRARY_DIRS})
-LINK_DIRECTORIES(${PCRE_LIBRARY_DIRS})
-INCLUDE_DIRECTORIES(${PCRE_INCLUDE_DIR})
-TARGET_LINK_LIBRARIES(subconverter ${PCRE_LIBRARY})
+FIND_PACKAGE(PCRECPP REQUIRED)
+INCLUDE_DIRECTORIES(${PCRECPP_INCLUDE_DIRS})
+TARGET_LINK_LIBRARIES(subconverter ${PCRECPP_LIBRARIES})
 ADD_DEFINITIONS(-DPCRE_STATIC)
 
 IF(WIN32)

cmake/FindPCRECPP.cmake

@@ -0,0 +1,33 @@
+# - Find PCRECPP
+# Find the native PCRECPP headers and libraries.
+#
+#  PCRECPP_INCLUDE_DIRS - where to find pcre.h, etc.
+#  PCRECPP_LIBRARIES    - List of libraries when using pcrecpp
+#  PCRECPP_FOUND        - True if pcrecpp found.
+
+# Look for the header file.
+FIND_PATH(PCRECPP_INCLUDE_DIR NAMES pcrecpp.h)
+MARK_AS_ADVANCED(PCRECPP_INCLUDE_DIR)
+
+# Look for the library.
+FIND_LIBRARY(PCRECPP_LIBRARY NAMES 
+    pcrecpp
+    pcrecppd
+)
+MARK_AS_ADVANCED(PCRECPP_LIBRARY)
+
+FIND_LIBRARY(PCRE_LIBRARY NAMES
+    pcre
+    pcred
+)
+MARK_AS_ADVANCED(PCRE_LIBRARY)
+
+# handle the QUIETLY and REQUIRED arguments and set PCRECPP_FOUND to TRUE if 
+# all listed variables are TRUE
+INCLUDE(FindPackageHandleStandardArgs)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRECPP DEFAULT_MSG PCRECPP_LIBRARY PCRECPP_INCLUDE_DIR PCRE_LIBRARY)
+
+IF(PCRECPP_FOUND)
+  SET(PCRECPP_LIBRARIES ${PCRECPP_LIBRARY} ${PCRE_LIBRARY})
+  SET(PCRECPP_INCLUDE_DIRS ${PCRECPP_INCLUDE_DIR})
+ENDIF(PCRECPP_FOUND)