Move System.Security.Cryptography.Native to corefx repo

Author: bartonjs

src/Native/System.Security.Cryptography.Native/CMakeLists.txt

@@ -0,0 +1,33 @@
+
+project(System.Security.Cryptography.Native)
+
+set(CMAKE_INCLUDE_CURRENT_DIR ON)
+
+add_definitions(-DPIC=1)
+add_definitions(-DBIT64=1)
+
+find_library(CRYPTO NAMES crypto)
+if(CRYPTO STREQUAL CRYPTO-NOTFOUND)
+    message(WARNING "Cannot find libcrypto, skipping build for System.Security.Cryptography.Native. .NET cryptography is not expected to function. Try installing libssl-dev (or the appropriate package for your platform)")
+    return()
+endif()
+
+add_compile_options(-fPIC)
+
+set(NATIVECRYPTO_SOURCES
+    openssl.c
+)
+
+add_library(System.Security.Cryptography.Native
+    SHARED
+    ${NATIVECRYPTO_SOURCES}
+)
+
+# Disable the "lib" prefix.
+set_target_properties(System.Security.Cryptography.Native PROPERTIES PREFIX "")
+
+target_link_libraries(System.Security.Cryptography.Native
+  ${CRYPTO}
+)
+
+install (TARGETS System.Security.Cryptography.Native DESTINATION .)