Fixed linker errors in OSX under macports

1. Added cmake module to find ICU
2. Added link instructions to include icu libs
3. mime roundtrip tests doesn't need to be linked with boost libs. It
throws multiple defn errors. Fixed.

.gitignore

@@ -1,4 +1,3 @@
-*.cmake
 *.swp
 *.pyc
 CMakeCache.txt

CMakeLists.txt

@@ -6,6 +6,10 @@
 
 cmake_minimum_required(VERSION 2.8)
 project(CPP-NETLIB)
+
+set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR})
+find_package( ICU )
+
 set(Boost_USE_STATIC_LIBS ON)
 set(Boost_USE_MULTITHREADED ON)
 find_package( Boost 1.45.0 REQUIRED unit_test_framework system regex date_time thread chrono filesystem program_options )

FindICU.cmake

@@ -0,0 +1,97 @@
+# Finds the International Components for Unicode (ICU) Library
+#
+#  ICU_FOUND          - True if ICU found.
+#  ICU_I18N_FOUND     - True if ICU's internationalization library found.
+#  ICU_INCLUDE_DIRS   - Directory to include to get ICU headers
+#                       Note: always include ICU headers as, e.g.,
+#                       unicode/utypes.h
+#  ICU_LIBRARIES      - Libraries to link against for the common ICU
+#  ICU_I18N_LIBRARIES - Libraries to link against for ICU internationaliation
+#                       (note: in addition to ICU_LIBRARIES)
+
+# Look for the header file.
+find_path(
+  ICU_INCLUDE_DIR
+  NAMES unicode/utypes.h
+  DOC "Include directory for the ICU library")
+mark_as_advanced(ICU_INCLUDE_DIR)
+
+# Look for the library.
+find_library(
+  ICU_LIBRARY
+  NAMES icuuc cygicuuc cygicuuc32
+  DOC "Libraries to link against for the common parts of ICU")
+mark_as_advanced(ICU_LIBRARY)
+
+# Copy the results to the output variables.
+if(ICU_INCLUDE_DIR AND ICU_LIBRARY)
+  set(ICU_FOUND 1)
+  set(ICU_LIBRARIES ${ICU_LIBRARY})
+  set(ICU_INCLUDE_DIRS ${ICU_INCLUDE_DIR})
+
+  set(ICU_VERSION 0)
+  set(ICU_MAJOR_VERSION 0)
+  set(ICU_MINOR_VERSION 0)
+  if (EXISTS "${ICU_INCLUDE_DIR}/unicode/uvernum.h")
+    FILE(READ "${ICU_INCLUDE_DIR}/unicode/uvernum.h" _ICU_VERSION_CONENTS)
+  else()
+    FILE(READ "${ICU_INCLUDE_DIR}/unicode/uversion.h" _ICU_VERSION_CONENTS)
+  endif()
+
+  STRING(REGEX REPLACE ".*#define U_ICU_VERSION_MAJOR_NUM ([0-9]+).*" "\\1" ICU_MAJOR_VERSION "${_ICU_VERSION_CONENTS}")
+  STRING(REGEX REPLACE ".*#define U_ICU_VERSION_MINOR_NUM ([0-9]+).*" "\\1" ICU_MINOR_VERSION "${_ICU_VERSION_CONENTS}")
+
+  set(ICU_VERSION "${ICU_MAJOR_VERSION}.${ICU_MINOR_VERSION}")
+
+  # Look for the ICU internationalization libraries
+  find_library(
+    ICU_I18N_LIBRARY
+    NAMES icuin icui18n cygicuin cygicuin32
+    DOC "Libraries to link against for ICU internationalization")
+  mark_as_advanced(ICU_I18N_LIBRARY)
+  if (ICU_I18N_LIBRARY)
+    set(ICU_I18N_FOUND 1)
+    set(ICU_I18N_LIBRARIES ${ICU_I18N_LIBRARY})
+  else (ICU_I18N_LIBRARY)
+    set(ICU_I18N_FOUND 0)
+    set(ICU_I18N_LIBRARIES)
+  endif (ICU_I18N_LIBRARY)
+
+  # Look for the ICU data libraries
+  find_library(
+      ICU_DATA_LIBRARY
+    NAMES icudata cygicudata cygicudata32
+    DOC "Libraries to link against for ICU data")
+  mark_as_advanced(ICU_DATA_LIBRARY)
+  if (ICU_DATA_LIBRARY)
+    set(ICU_DATA_FOUND 1)
+    set(ICU_DATA_LIBRARIES ${ICU_DATA_LIBRARY})
+  else (ICU_DATA_LIBRARY)
+    set(ICU_DATA_FOUND 0)
+    set(ICU_DATA_LIBRARIES)
+  endif (ICU_DATA_LIBRARY)
+else(ICU_INCLUDE_DIR AND ICU_LIBRARY)
+  set(ICU_FOUND 0)
+  set(ICU_I18N_FOUND 0)
+  set(ICU_DATA_FOUND 0)
+  set(ICU_LIBRARIES)
+  set(ICU_I18N_LIBRARIES)
+  set(ICU_DATA_LIBRARIES)
+  set(ICU_INCLUDE_DIRS)
+  set(ICU_VERSION)
+  set(ICU_MAJOR_VERSION)
+  set(ICU_MINOR_VERSION)
+endif(ICU_INCLUDE_DIR AND ICU_LIBRARY)
+
+IF(ICU_FOUND)
+  IF( NOT ICU_FIND_QUIETLY )
+    MESSAGE( STATUS "Found ICU header files in ${ICU_INCLUDE_DIRS}")
+    MESSAGE( STATUS "Found ICU libraries: ${ICU_LIBRARIES}")
+  ENDIF( NOT ICU_FIND_QUIETLY )
+ELSE(ICU_FOUND)
+	IF(ICU_FIND_REQUIRED)
+		MESSAGE( FATAL_ERROR "Could not find ICU" )
+	ELSE(ICU_FIND_REQUIRED)
+		MESSAGE( STATUS "Optional package ICU was not found" )
+	ENDIF(ICU_FIND_REQUIRED)
+ENDIF(ICU_FOUND)

libs/mime/test/CMakeLists.txt

@@ -5,7 +5,7 @@ set ( Boost_USE_MULTITHREADED ON )
 
 if ( Boost_FOUND )
     add_executable ( mime-roundtrip mime-roundtrip.cpp )
-    target_link_libraries ( mime-roundtrip ${Boost_LIBRARIES} )
+    target_link_libraries ( mime-roundtrip )
     add_test ( mime-roundtrip mime-roundtrip )
 endif ()
 

libs/network/test/http/CMakeLists.txt

@@ -36,6 +36,7 @@ if (Boost_FOUND)
 	  )
         target_link_libraries(cpp-netlib-http-${test}
             ${Boost_LIBRARIES}
+            ${ICU_LIBRARIES} ${ICU_I18N_LIBRARIES}
 	    ${CMAKE_THREAD_LIBS_INIT}
             cppnetlib-message
             cppnetlib-message-wrappers
@@ -65,6 +66,7 @@ if (Boost_FOUND)
         add_executable(cpp-netlib-http-${test} ${test}.cpp)
         target_link_libraries(cpp-netlib-http-${test}
             ${Boost_LIBRARIES}
+            ${ICU_LIBRARIES} ${ICU_I18N_LIBRARIES}
             ${CMAKE_THREAD_LIBS_INIT}
             cppnetlib-constants
             cppnetlib-uri
@@ -96,6 +98,7 @@ if (Boost_FOUND)
         add_executable(cpp-netlib-http-${test} ${test}.cpp)
         target_link_libraries(cpp-netlib-http-${test}
             ${Boost_LIBRARIES}
+            ${ICU_LIBRARIES} ${ICU_I18N_LIBRARIES}
             ${CMAKE_THREAD_LIBS_INIT}
             cppnetlib-constants
             cppnetlib-uri

libs/network/test/uri/CMakeLists.txt

@@ -25,7 +25,7 @@ if (Boost_FOUND)
         add_executable(cpp-netlib-${test} ${test}.cpp)
         add_dependencies(cpp-netlib-${test} cppnetlib-uri)
         target_link_libraries(cpp-netlib-${test}
-            ${Boost_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} cppnetlib-uri)
+            ${Boost_LIBRARIES} ${ICU_LIBRARIES} ${ICU_I18N_LIBRARIES} ${CMAKE_THREAD_LIBS_INIT} cppnetlib-uri)
         if (OPENSSL_FOUND)
             target_link_libraries(cpp-netlib-${test} ${OPENSSL_LIBRARIES})
         endif()