cmake: Rewrite FindSODIUM.

Signed-off-by: Andreas Schneider <asn@cryptomilk.org>
Signed-off-by: irungentoo <irungentoo@gmail.com>

1 files changed, 61 insertions, 9 deletions

diff --git a/cmake/FindSODIUM.cmake b/cmake/FindSODIUM.cmake
index ffb6a1f7..fd6206ff 100644
--- a/cmake/FindSODIUM.cmake
+++ b/cmake/FindSODIUM.cmake
@@ -1,15 +1,67 @@
-# Find SODIUM
+# - Try to find SODIUM
+# Once done this will define
 #
-# SODIUM_INCLUDE_DIR
-# SODIUM_LIBRARY
-# SODIUM_FOUND
+#  SODIUM_ROOT_DIR - Set this variable to the root installation of CMocka
 #
+# Read-Only variables:
+#  SODIUM_FOUND - system has SODIUM
+#  SODIUM_INCLUDE_DIR - the SODIUM include directory
+#  SODIUM_LIBRARIES - Link these to use SODIUM
+#  SODIUM_DEFINITIONS - Compiler switches required for using SODIUM
+#
+#=============================================================================
+#  Copyright (c) 2013 Andreas Schneider <asn@cryptomilk.org>
+#
+#  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.
+#=============================================================================
+#
+
+set(_SODIUM_ROOT_HINTS
+)
+
+set(_SODIUM_ROOT_PATHS
+    "$ENV{PROGRAMFILES}/sodium"
+)
+
+find_path(SODIUM_ROOT_DIR
+    NAMES
+        include/cmocka.h
+    HINTS
+        ${_SODIUM_ROOT_HINTS}
+    PATHS
+        ${_SODIUM_ROOT_PATHS}
+)
+mark_as_advanced(SODIUM_ROOT_DIR)
+
+find_path(SODIUM_INCLUDE_DIR
+    NAMES
+        sodium.h
+    PATHS
+        ${SODIUM_ROOT_DIR}/include
+)
+
+find_library(SODIUM_LIBRARY
+    NAMES
+        sodium
+    PATHS
+        ${SODIUM_ROOT_DIR}/lib
+)
 
-FIND_PATH(SODIUM_INCLUDE_DIR NAMES sodium.h)
+if (SODIUM_LIBRARY)
+    set(SODIUM_LIBRARIES
+        ${SODIUM_LIBRARIES}
+        ${SODIUM_LIBRARY}
+    )
+endif (SODIUM_LIBRARY)
 
-FIND_LIBRARY(SODIUM_LIBRARY NAMES sodium)
+include(FindPackageHandleStandardArgs)
+find_package_handle_standard_args(SODIUM DEFAULT_MSG SODIUM_LIBRARIES SODIUM_INCLUDE_DIR)
 
-INCLUDE(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(SODIUM DEFAULT_MSG SODIUM_LIBRARY SODIUM_INCLUDE_DIR)
+# show the SODIUM_INCLUDE_DIR and SODIUM_LIBRARIES variables only in the advanced view
+mark_as_advanced(SODIUM_INCLUDE_DIR SODIUM_LIBRARIES)
 
-MARK_AS_ADVANCED(SODIUM_INCLUDE_DIR SODIUM_LIBRARY)