Add CMake options for Win32 to require PCRE

cmake/modules/FindPCRE.cmake

@@ -0,0 +1,40 @@
+# This CMake script wants to use pcre functionality needed for windows 
+# compilation. However, since PCRE isn't really a default install location
+# there isn't much to search.
+#
+# Operating Systems Supported:
+# - Windows (requires MinGW)
+#   Tested with Windows XP/Windows 7
+#
+# This should work for both 32 bit and 64 bit systems.
+#
+# Author: A. Lian <alex.lian@gmail.com>
+#
+
+IF(WIN32)
+  IF(NOT PCRE_FOUND)
+    FIND_PATH(PCRE_INCLUDE_DIRS regex.h)
+    FIND_LIBRARY(PCRE_LIBRARIES NAMES PCRE pcre)
+
+    IF(PCRE_INCLUDE_DIRS AND PCRE_LIBRARIES)
+       SET(PCRE_FOUND TRUE)
+    ENDIF(PCRE_INCLUDE_DIRS AND PCRE_LIBRARIES)
+  ENDIF(NOT PCRE_FOUND)
+
+  IF(PCRE_FOUND)
+    IF(NOT PCRE_FIND_QUIETLY)
+      MESSAGE(STATUS "Found PCRE: ${PCRE_LIBRARIES} ${PCRE_INCLUDE_DIRS}")
+    ENDIF (NOT PCRE_FIND_QUIETLY)
+  ELSE(PCRE_FOUND)
+    IF(PCRE_FIND_REQUIRED)
+      MESSAGE(FATAL_ERROR "Could not find PCRE")
+    ENDIF(PCRE_FIND_REQUIRED)
+  ENDIF(PCRE_FOUND)
+
+  INCLUDE(FindPackageHandleStandardArgs)
+  FIND_PACKAGE_HANDLE_STANDARD_ARGS(PCRE DEFAULT_MSG
+    PCRE_LIBRARIES
+    PCRE_INCLUDE_DIRS
+  )
+
+ENDIF(WIN32)

cmake/modules/Makefile.am

@@ -2,5 +2,6 @@ EXTRA_DIST = \
 	COPYING-CMAKE-SCRIPTS \
 	FindLIBUSB.cmake \
 	FindPCSC.cmake \
+	FindPCRE.cmake \
 	UseDoxygen.cmake \
 	LibnfcDrivers.cmake