From f13ed355f444d4217a6ba293bce54ac66d3bf2b8 Mon Sep 17 00:00:00 2001
From: Sergey Seroshtan <sergey.seroshtan@gmail.com>
Date: Sun, 17 Apr 2016 22:43:09 +0300
Subject: [PATCH] [VLIB-132] Create and install CMake package configuration
 files only if this feature is supported #2

---
 library/CMakeLists.txt | 45 ++++++++++++++++++++++++++++--------------
 1 file changed, 30 insertions(+), 15 deletions(-)

diff --git a/library/CMakeLists.txt b/library/CMakeLists.txt
index 74d4b18b0ac3..7d75ac02b08a 100644
--- a/library/CMakeLists.txt
+++ b/library/CMakeLists.txt
@@ -138,7 +138,7 @@ elseif(USE_STATIC_MBEDTLS_LIBRARY)
     set(ed25519_static_target "ed25519")
 endif()
 
-if(CMAKE_VERSION VERSION_GREATER 2.8.7)
+if(NOT CMAKE_VERSION VERSION_LESS 3.0)
     ## Define names for configuration files
     set (generated_dir "${CMAKE_CURRENT_BINARY_DIR}/generated")
     set (version_config "${generated_dir}/mbedtls-config-version.cmake")
@@ -156,7 +156,7 @@ if(CMAKE_VERSION VERSION_GREATER 2.8.7)
             "cmake/config.cmake.in"
             "${project_config}"
             INSTALL_DESTINATION "${LIB_INSTALL_DIR}/cmake")
-endif(CMAKE_VERSION VERSION_GREATER 2.8.7)
+endif(NOT CMAKE_VERSION VERSION_LESS 3.0)
 
 # Create and install targets
 if(USE_STATIC_MBEDTLS_LIBRARY)
@@ -176,12 +176,20 @@ if(USE_STATIC_MBEDTLS_LIBRARY)
     set_target_properties(${mbedtls_static_target} PROPERTIES OUTPUT_NAME mbedtls)
     target_link_libraries(${mbedtls_static_target} ${libs} ${mbedx509_static_target})
 
-    install(TARGETS ${mbedtls_static_target} ${mbedx509_static_target} ${mbedcrypto_static_target}
-                    ${ed25519_static_target}
-            EXPORT "mbedtls-targets"
-            DESTINATION "${LIB_INSTALL_DIR}"
-            PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
-            INCLUDES DESTINATION "include")
+    if(CMAKE_VERSION VERSION_LESS 3.0)
+        install(TARGETS ${mbedtls_static_target} ${mbedx509_static_target} ${mbedcrypto_static_target}
+                        ${ed25519_static_target}
+                DESTINATION "${LIB_INSTALL_DIR}"
+                PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
+    else(CMAKE_VERSION VERSION_LESS 3.0)
+        install(TARGETS ${mbedtls_static_target} ${mbedx509_static_target} ${mbedcrypto_static_target}
+                        ${ed25519_static_target}
+                EXPORT "mbedtls-targets"
+                DESTINATION "${LIB_INSTALL_DIR}"
+                PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
+                INCLUDES DESTINATION "include")
+    endif (CMAKE_VERSION VERSION_LESS 3.0)
+
 endif(USE_STATIC_MBEDTLS_LIBRARY)
 
 if(USE_SHARED_MBEDTLS_LIBRARY)
@@ -201,11 +209,18 @@ if(USE_SHARED_MBEDTLS_LIBRARY)
     set_target_properties(mbedtls PROPERTIES VERSION 2.2.1 SOVERSION 10)
     target_link_libraries(mbedtls ${libs} mbedx509)
 
-    install(TARGETS mbedtls mbedx509 mbedcrypto ed25519
-            EXPORT "mbedtls-targets"
-            DESTINATION "${LIB_INSTALL_DIR}"
-            PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
-            INCLUDES DESTINATION "include")
+    if(CMAKE_VERSION VERSION_LESS 3.0)
+        install(TARGETS mbedtls mbedx509 mbedcrypto ed25519
+                DESTINATION "${LIB_INSTALL_DIR}"
+                PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE)
+    else(CMAKE_VERSION VERSION_LESS 3.0)
+        install(TARGETS mbedtls mbedx509 mbedcrypto ed25519
+                EXPORT "mbedtls-targets"
+                DESTINATION "${LIB_INSTALL_DIR}"
+                PERMISSIONS OWNER_READ OWNER_WRITE OWNER_EXECUTE GROUP_READ GROUP_EXECUTE WORLD_READ WORLD_EXECUTE
+                INCLUDES DESTINATION "include")
+    endif (CMAKE_VERSION VERSION_LESS 3.0)
+
 endif(USE_SHARED_MBEDTLS_LIBRARY)
 
 add_custom_target(lib DEPENDS mbedcrypto mbedx509 mbedtls ed25519)
@@ -213,7 +228,7 @@ if(USE_STATIC_MBEDTLS_LIBRARY AND USE_SHARED_MBEDTLS_LIBRARY)
     add_dependencies(lib mbedcrypto_static mbedx509_static mbedtls_static ed25519_static)
 endif()
 
-if(CMAKE_VERSION VERSION_GREATER 2.8.7)
+if(NOT CMAKE_VERSION VERSION_LESS 3.0)
     # Install configuration files
     install(FILES "${project_config}" "${version_config}"
             DESTINATION "${LIB_INSTALL_DIR}/cmake/MbedTLS"
@@ -223,4 +238,4 @@ if(CMAKE_VERSION VERSION_GREATER 2.8.7)
             NAMESPACE "mbedtls::"
             DESTINATION "${LIB_INSTALL_DIR}/cmake/MbedTLS"
             PERMISSIONS OWNER_READ OWNER_WRITE GROUP_READ WORLD_READ)
-endif(CMAKE_VERSION VERSION_GREATER 2.8.7)
+endif(NOT CMAKE_VERSION VERSION_LESS 3.0)