Core/Buildsystem: Fix linking of SSL under Fedora Core 14

cmake/macros/FindOpenSSL.cmake

@@ -1,88 +1,123 @@
+# - Try to find the OpenSSL encryption library
+# Once done this will define
 #
-# Find the OpenSSL client includes and library
-# 
+#  OPENSSL_ROOT_DIR - Set this variable to the root installation of OpenSSL
+#
+# Read-Only variables:
+#  OPENSSL_FOUND - system has the OpenSSL library
+#  OPENSSL_INCLUDE_DIR - the OpenSSL include directory
+#  OPENSSL_LIBRARIES - The libraries needed to use OpenSSL
 
-# This module defines
-# OPENSSL_INCLUDE_DIR, where to find openssl.h
-# OPENSSL_LIBRARIES, the libraries to link against to connect to MySQL
-# OPENSSL_FOUND, if false, you cannot build anything that requires MySQL.
+#=============================================================================
+# Copyright 2006-2009 Kitware, Inc.
+# Copyright 2006 Alexander Neundorf <neundorf@kde.org>
+# Copyright 2009-2010 Mathieu Malaterre <mathieu.malaterre@gmail.com>
+#
+# Distributed under the OSI-approved BSD License (the "License");
+# see accompanying file Copyright.txt for details.
+#
+# This software is distributed WITHOUT ANY WARRANTY; without even the
+# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+# See the License for more information.
+#=============================================================================
+# (To distributed this file outside of CMake, substitute the full
+#  License text for the above reference.)
 
-# also defined, but not for general use are
-# OPENSSL_LIBRARY, where to find the MySQL library.
+# http://www.slproweb.com/products/Win32OpenSSL.html
+SET(_OPENSSL_ROOT_HINTS
+  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;Inno Setup: App Path]"
+  "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (64-bit)_is1;Inno Setup: App Path]"
+  )
+SET(_OPENSSL_ROOT_PATHS
+  "C:/OpenSSL/"
+  )
+FIND_PATH(OPENSSL_ROOT_DIR
+  NAMES include/openssl/ssl.h
+  HINTS ${_OPENSSL_ROOT_HINTS}
+  PATHS ${_OPENSSL_ROOT_PATHS}
+)
+MARK_AS_ADVANCED(OPENSSL_ROOT_DIR)
 
-  set(OPENSSL_FOUND 0)
+# Re-use the previous path:
+FIND_PATH(OPENSSL_INCLUDE_DIR openssl/ssl.h
+  ${OPENSSL_ROOT_DIR}/include
+)
 
-  if( MSVC )
-    if(PLATFORM EQUAL 64)
-      set(TMP_OPENSSL_INCLUDE_DIR
-        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (64-bit)_is1;InstallLocation]/include"
+IF(WIN32 AND NOT CYGWIN)
+  # MINGW should go here too
+  IF(MSVC)
+    # /MD and /MDd are the standard values - if someone wants to use
+    # others, the libnames have to change here too
+    # use also ssl and ssleay32 in debug as fallback for openssl < 0.9.8b
+    # TODO: handle /MT and static lib
+    # In Visual C++ naming convention each of these four kinds of Windows libraries has it's standard suffix:
+    #   * MD for dynamic-release
+    #   * MDd for dynamic-debug
+    #   * MT for static-release
+    #   * MTd for static-debug
+
+    # Implementation details:
+    # We are using the libraries located in the VC subdir instead of the parent directory eventhough :
+    # libeay32MD.lib is identical to ../libeay32.lib, and
+    # ssleay32MD.lib is identical to ../ssleay32.lib
+    FIND_LIBRARY(LIB_EAY_DEBUG NAMES libeay32MDd libeay32
+      ${OPENSSL_ROOT_DIR}/lib/VC
       )
-      set(TMP_OPENSSL_LIBRARIES
-        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (64-bit)_is1;InstallLocation]/lib"
+    FIND_LIBRARY(LIB_EAY_RELEASE NAMES libeay32MD libeay32
+      ${OPENSSL_ROOT_DIR}/lib/VC
       )
+    FIND_LIBRARY(SSL_EAY_DEBUG NAMES ssleay32MDd ssleay32 ssl
+      ${OPENSSL_ROOT_DIR}/lib/VC
+      )
+    FIND_LIBRARY(SSL_EAY_RELEASE NAMES ssleay32MD ssleay32 ssl
+      ${OPENSSL_ROOT_DIR}/lib/VC
+      )
+    if( CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE )
+      set( OPENSSL_LIBRARIES
+        optimized ${SSL_EAY_RELEASE} ${LIB_EAY_RELEASE}
+        debug ${SSL_EAY_DEBUG} ${LIB_EAY_DEBUG}
+        )
     else()
-      set(TMP_OPENSSL_INCLUDE_DIR
-        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;InstallLocation]/include"
-        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;InstallLocation]/include"
-        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;InstallLocation]/include"
-      )
-      set(TMP_OPENSSL_LIBRARIES
-        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;InstallLocation]/lib"
-        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;InstallLocation]/lib"
-        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;InstallLocation]/lib"
-      )
+      set( OPENSSL_LIBRARIES ${SSL_EAY_RELEASE} ${LIB_EAY_RELEASE} )
     endif()
-  endif()
+    MARK_AS_ADVANCED(SSL_EAY_DEBUG SSL_EAY_RELEASE)
+    MARK_AS_ADVANCED(LIB_EAY_DEBUG LIB_EAY_RELEASE)
+  ELSEIF(MINGW)
+    # same player, for MingW
+    FIND_LIBRARY(LIB_EAY NAMES libeay32
+      ${OPENSSL_ROOT_DIR}/lib/MinGW
+      )
+    FIND_LIBRARY(SSL_EAY NAMES ssleay32
+      ${OPENSSL_ROOT_DIR}/lib/MinGW
+      )
+    MARK_AS_ADVANCED(SSL_EAY LIB_EAY)
+    set( OPENSSL_LIBRARIES ${SSL_EAY} ${LIB_EAY} )
+  ELSE(MSVC)
+    # Not sure what to pick for -say- intel, let's use the toplevel ones and hope someone report issues:
+    FIND_LIBRARY(LIB_EAY NAMES libeay32
+      ${OPENSSL_ROOT_DIR}/lib
+      )
+    FIND_LIBRARY(SSL_EAY NAMES ssleay32
+      ${OPENSSL_ROOT_DIR}/lib
+      )
+    MARK_AS_ADVANCED(SSL_EAY LIB_EAY)
+    set( OPENSSL_LIBRARIES ${SSL_EAY} ${LIB_EAY} )
+  ENDIF(MSVC)
+ELSE(WIN32 AND NOT CYGWIN)
 
-  find_path(OPENSSL_INCLUDE_DIR
-    NAMES
-      openssl/ssl.h
-    PATHS
-      ${TMP_OPENSSL_INCLUDE_DIR}
-      /usr/include
-      /usr/include/openssl
-      /usr/local/include
-      /usr/local/include/openssl
-      /usr/local/openssl/include
-    DOC
-      "Specify the directory containing openssl.h."
-  )
+  FIND_LIBRARY(OPENSSL_SSL_LIBRARIES NAMES ssl ssleay32 ssleay32MD)
+  FIND_LIBRARY(OPENSSL_CRYPTO_LIBRARIES NAMES crypto)
+  MARK_AS_ADVANCED(OPENSSL_CRYPTO_LIBRARIES OPENSSL_SSL_LIBRARIES)
 
-  find_library(OPENSSL_LIBRARIES
-    NAMES
-      ssleay32
-      ssl
-    PATHS
-      ${TMP_OPENSSL_LIBRARIES}
-      /usr/lib
-      /usr/lib/ssl
-      /usr/local/lib
-      /usr/local/lib/ssl
-      /usr/local/ssl/lib
-    DOC "Specify the OpenSSL library here."
-  )
+  SET(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARIES} ${OPENSSL_CRYPTO_LIBRARIES})
 
-  if( WIN32 )
-    find_library(OPENSSL_EXTRA_LIBRARIES
-    NAMES
-      libeay32
-    PATHS
-      ${TMP_OPENSSL_LIBRARIES}
-    DOC
-      "if more libraries are necessary to link in a OpenSSL client, specify them here."
-  )
-  endif( WIN32 )
+ENDIF(WIN32 AND NOT CYGWIN)
 
-  if( OPENSSL_LIBRARIES )
-    if( OPENSSL_INCLUDE_DIR )
-      set( OPENSSL_FOUND 1 )
-      message(STATUS "Found OpenSSL library: ${OPENSSL_LIBRARIES}")
-      message(STATUS "Found OpenSSL headers: ${OPENSSL_INCLUDE_DIR}")
-    else ( OPENSSL_INCLUDE_DIR )
-      message(FATAL_ERROR "Could not find OpenSSL headers! Please install the development-headers")
-    endif( OPENSSL_INCLUDE_DIR )
-  else( OPENSSL_LIBRARIES )
-    message(FATAL_ERROR "Could not find OpenSSL libraries! Please install the library before continuing")
-  endif( OPENSSL_LIBRARIES )
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(OpenSSL DEFAULT_MSG
+  OPENSSL_LIBRARIES 
+  OPENSSL_INCLUDE_DIR
+)
+
+MARK_AS_ADVANCED(OPENSSL_INCLUDE_DIR OPENSSL_LIBRARIES)
 
-  mark_as_advanced( OPENSSL_FOUND OPENSSL_LIBRARIES OPENSSL_EXTRA_LIBRARIES OPENSSL_INCLUDE_DIR )