From f376be898030cf08c7a53ae578a86c9d7afadcb0 Mon Sep 17 00:00:00 2001
From: Andreas Schneider <asn@cryptomilk.org>
Date: Sun, 16 Jan 2011 12:26:51 +0100
Subject: [PATCH 1/2] Modules: Added an improved version of OpenSSL.

This adds missing direcotries on Windows to find OpenSSL and uses
pkg-config on UNIX. It adds directories for Solaris.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
---
 Modules/FindOpenSSL.cmake |  309 +++++++++++++++++++++++++++++----------------
 1 files changed, 197 insertions(+), 112 deletions(-)

diff --git a/Modules/FindOpenSSL.cmake b/Modules/FindOpenSSL.cmake
index d3d7fc2..565190c 100644
--- a/Modules/FindOpenSSL.cmake
+++ b/Modules/FindOpenSSL.cmake
@@ -1,123 +1,208 @@
-# - Try to find the OpenSSL encryption library
+# - Try to find OpenSSL
 # Once done this will define
 #
 #  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
-
+#  OPENSSL_FOUND - system has OpenSSL
+#  OPENSSL_INCLUDE_DIRS - the OpenSSL include directory
+#  OPENSSL_LIBRARIES - Link these to use OpenSSL
+#  OPENSSL_DEFINITIONS - Compiler switches required for using OpenSSL
+#
 #=============================================================================
-# Copyright 2006-2009 Kitware, Inc.
-# Copyright 2006 Alexander Neundorf <neundorf@kde.org>
-# Copyright 2009-2010 Mathieu Malaterre <mathieu.malaterre@gmail.com>
+#  Copyright (c) 2006-2009 Kitware, Inc.
+#  Copyright (c) 2006      Alexander Neundorf <neundorf@kde.org>
+#  Copyright (c) 2009-2010 Mathieu Malaterre <mathieu.malaterre@gmail.com>
+#  Copyright (c) 2011      Andreas Schneider <asn@cryptomilk.org>
 #
-# Distributed under the OSI-approved BSD License (the "License");
-# see accompanying file Copyright.txt for details.
+#  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.
+#  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 distribute this file outside of CMake, substitute the full
-#  License text for the above reference.)
-
-# 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)
-
-# Re-use the previous path:
-FIND_PATH(OPENSSL_INCLUDE_DIR openssl/ssl.h
-  PATHS ${OPENSSL_ROOT_DIR}/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
-      PATHS ${OPENSSL_ROOT_DIR}/lib/VC
-      )
-    FIND_LIBRARY(LIB_EAY_RELEASE NAMES libeay32MD libeay32
-      PATHS ${OPENSSL_ROOT_DIR}/lib/VC
-      )
-    FIND_LIBRARY(SSL_EAY_DEBUG NAMES ssleay32MDd ssleay32 ssl
-      PATHS ${OPENSSL_ROOT_DIR}/lib/VC
-      )
-    FIND_LIBRARY(SSL_EAY_RELEASE NAMES ssleay32MD ssleay32 ssl
-      PATHS ${OPENSSL_ROOT_DIR}/lib/VC
-      )
-    if( CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE )
-      set( OPENSSL_LIBRARIES
-        optimized ${SSL_EAY_RELEASE} debug ${SSL_EAY_DEBUG}
-        optimized ${LIB_EAY_RELEASE} debug ${LIB_EAY_DEBUG}
+#
+
+if (OPENSSL_LIBRARIES AND OPENSSL_INCLUDE_DIRS)
+    # in cache already
+    set(OPENSSL_FOUND TRUE)
+else (OPENSSL_LIBRARIES AND OPENSSL_INCLUDE_DIRS)
+
+    if (UNIX)
+        find_package(PkgConfig)
+        if (PKG_CONFIG_FOUND)
+            pkg_check_modules(_OPENSSL openssl)
+        endif (PKG_CONFIG_FOUND)
+    endif (UNIX)
+
+    # http://www.slproweb.com/products/Win32OpenSSL.html
+    set(_OPENSSL_ROOT_HINTS
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (32-bit)_is1;Inno Setup: App Path]"
+        "[HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows\\CurrentVersion\\Uninstall\\OpenSSL (64-bit)_is1;Inno Setup: App Path]"
+    )
+
+    set(_OPENSSL_ROOT_PATHS
+        "C:/OpenSSL/"
+        "C:/OpenSSL-Win32/"
+        "C:/OpenSSL-Win64/"
+        "$ENV{PROGRAMFILES}/OpenSSL"
+        "$ENV{PROGRAMFILES}/OpenSSL-Win32"
+        "$ENV{PROGRAMFILES}/OpenSSL-Win64"
+    )
+
+    find_path(OPENSSL_ROOT_DIR
+        NAMES
+            include/openssl/ssl.h
+        HINTS
+            ${_OPENSSL_ROOT_HINTS}
+        PATHS
+            ${_OPENSSL_ROOT_PATHS}
+    )
+    mark_as_advanced(OPENSSL_ROOT_DIR)
+
+    find_path(OPENSSL_INCLUDE_DIR
+        NAMES
+            openssl/ssl.h
+        PATHS
+            /usr/local/include
+            /opt/local/include
+            /sw/include
+            /usr/lib/sfw/include
+            ${OPENSSL_ROOT_DIR}/include
+    )
+
+    set(OPENSSL_INCLUDE_DIRS ${OPENSSL_INCLUDE_DIR})
+    mark_as_advanced(OPENSSL_INCLUDE_DIRS)
+
+    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
+                PATHS
+                    ${OPENSSL_ROOT_DIR}/lib/VC
+            )
+
+            find_library(LIB_EAY_RELEASE
+                NAMES
+                    libeay32MD
+                    libeay32
+                PATHS
+                    ${OPENSSL_ROOT_DIR}/lib/VC
+            )
+
+            find_library(SSL_EAY_DEBUG
+                NAMES
+                    ssleay32MDd
+                    ssleay32
+                    ssl
+                PATHS ${OPENSSL_ROOT_DIR}/lib/VC
+            )
+
+            find_library(SSL_EAY_RELEASE
+                NAMES
+                    ssleay32MD
+                    ssleay32
+                    ssl
+                PATHS
+                    ${OPENSSL_ROOT_DIR}/lib/VC
+            )
+
+            if (CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE)
+                set(OPENSSL_LIBRARIES
+                    optimized ${SSL_EAY_RELEASE} debug ${SSL_EAY_DEBUG}
+                    optimized ${LIB_EAY_RELEASE} debug ${LIB_EAY_DEBUG}
+                )
+            else (CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE)
+                set( OPENSSL_LIBRARIES ${SSL_EAY_RELEASE} ${LIB_EAY_RELEASE} )
+            endif (CMAKE_CONFIGURATION_TYPES OR CMAKE_BUILD_TYPE)
+
+            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
+                PATHS
+                    ${OPENSSL_ROOT_DIR}/lib/MinGW
+            )
+
+            find_library(SSL_EAY
+                NAMES
+                    ssleay32
+                PATHS
+                    ${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
+                PATHS
+                    ${OPENSSL_ROOT_DIR}/lib
+            )
+
+            find_library(SSL_EAY
+                NAMES
+                    ssleay32
+                PATHS
+                    ${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_library(OPENSSL_SSL_LIBRARIES
+            NAMES
+                ssl
+                ssleay32
+                ssleay32MD
+            PATHS
+                ${_OPENSSL_LIBDIR}
+                /opt/local/lib
+                /sw/lib
+                /usr/sfw/lib/64
+                /usr/sfw/lib
+        )
+
+        find_library(OPENSSL_CRYPTO_LIBRARIES
+            NAMES
+                crypto
+            PATHS
+                ${_OPENSSL_LIBDIR}
+                /opt/local/lib
+                /sw/lib
+                /usr/sfw/lib/64
+                /usr/sfw/lib
         )
-    else()
-      set( OPENSSL_LIBRARIES ${SSL_EAY_RELEASE} ${LIB_EAY_RELEASE} )
-    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
-      PATHS ${OPENSSL_ROOT_DIR}/lib/MinGW
-      )
-    FIND_LIBRARY(SSL_EAY NAMES ssleay32
-      PATHS ${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
-      PATHS ${OPENSSL_ROOT_DIR}/lib
-      )
-    FIND_LIBRARY(SSL_EAY NAMES ssleay32
-      PATHS ${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_LIBRARY(OPENSSL_SSL_LIBRARIES NAMES ssl ssleay32 ssleay32MD)
-  FIND_LIBRARY(OPENSSL_CRYPTO_LIBRARIES NAMES crypto)
-  MARK_AS_ADVANCED(OPENSSL_CRYPTO_LIBRARIES OPENSSL_SSL_LIBRARIES)
-
-  SET(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARIES} ${OPENSSL_CRYPTO_LIBRARIES})
-
-ENDIF(WIN32 AND NOT CYGWIN)
-
-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_CRYPTO_LIBRARIES OPENSSL_SSL_LIBRARIES)
+        set(OPENSSL_LIBRARIES ${OPENSSL_SSL_LIBRARIES} ${OPENSSL_CRYPTO_LIBRARIES})
+    endif (WIN32 AND NOT CYGWIN)
+
+    include(FindPackageHandleStandardArgs)
+    find_package_handle_standard_args(OpenSSL DEFAULT_MSG OPENSSL_LIBRARIES OPENSSL_INCLUDE_DIRS)
+
+endif (OPENSSL_LIBRARIES AND OPENSSL_INCLUDE_DIRS)
-- 
1.7.3.4