CMakeLists: remove extraneous checks, minimum required version is 3.5.1

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5a0c62eedf52ec0d9f66f638501350d2c0f8cc61..9b5bc9f8bf56178790f9926fb5eccc011eea84ea 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -238,7 +238,7 @@ OCV_OPTION(WITH_CAP_IOS "Enable iOS video capture" ON
   VISIBLE_IF IOS
   VERIFY HAVE_CAP_IOS)
 OCV_OPTION(WITH_CAROTENE "Use NVidia carotene acceleration library for ARM platform" ON
-  VISIBLE_IF (ARM OR AARCH64) AND NOT IOS AND NOT (CMAKE_VERSION VERSION_LESS "2.8.11"))
+  VISIBLE_IF (ARM OR AARCH64) AND NOT IOS)
 OCV_OPTION(WITH_CPUFEATURES "Use cpufeatures Android library" ON
   VISIBLE_IF ANDROID
   VERIFY HAVE_CPUFEATURES)
@@ -498,7 +498,7 @@ OCV_OPTION(OPENCV_WARNINGS_ARE_ERRORS "Treat warnings as errors"
 OCV_OPTION(ANDROID_EXAMPLES_WITH_LIBS "Build binaries of Android examples with native libraries" OFF  IF ANDROID )
 OCV_OPTION(ENABLE_IMPL_COLLECTION     "Collect implementation data on function call"             OFF )
 OCV_OPTION(ENABLE_INSTRUMENTATION     "Instrument functions to collect calls trace and performance" OFF )
-OCV_OPTION(ENABLE_GNU_STL_DEBUG       "Enable GNU STL Debug mode (defines _GLIBCXX_DEBUG)"       OFF IF ((NOT CMAKE_VERSION VERSION_LESS "2.8.11") AND CV_GCC) )
+OCV_OPTION(ENABLE_GNU_STL_DEBUG       "Enable GNU STL Debug mode (defines _GLIBCXX_DEBUG)"       OFF IF CV_GCC )
 OCV_OPTION(ENABLE_BUILD_HARDENING     "Enable hardening of the resulting binaries (against security attacks, detects memory corruption, etc)" OFF)
 OCV_OPTION(ENABLE_LTO                 "Enable Link Time Optimization" OFF IF CV_GCC OR MSVC)
 OCV_OPTION(ENABLE_THIN_LTO            "Enable Thin LTO" OFF IF CV_CLANG)
@@ -1041,7 +1041,6 @@ endif()
 status("")
 status("  Platform:")
 if(NOT DEFINED OPENCV_TIMESTAMP
-    AND NOT CMAKE_VERSION VERSION_LESS 2.8.11
     AND NOT BUILD_INFO_SKIP_TIMESTAMP
 )
   string(TIMESTAMP OPENCV_TIMESTAMP "" UTC)