Remove references to Objective C.

README.md

@@ -16,9 +16,8 @@ Caveats:
 
 COMPILATION AND INSTALL
 
-Tarantool is written in C and Objective C.
-To build, you will need GCC Objective C frontend
-(gcc-objc package on most systems) or Apple CLang compiler.
+Tarantool is written in C and C++.
+To build, you will need GCC or Apple CLang compiler.
 
 CMake is used for configuration management.
 3 standard CMake build types are supported:

cmake/compiler.cmake

@@ -16,7 +16,6 @@ if (CMAKE_C_COMPILER_ID STREQUAL Clang)
     set(CMAKE_COMPILER_IS_GNUCXX OFF)
 endif()
 
-# TODO: clang version is not checked
 if(CMAKE_COMPILER_IS_GNUCC)
     # gcc and g++ >= 4.5 are supported
     execute_process(COMMAND ${CMAKE_C_COMPILER} -dumpversion
@@ -77,43 +76,6 @@ if (NOT CMAKE_BUILD_TYPE STREQUAL "Debug")
     add_definitions("-DNDEBUG" "-DNVALGRIND")
 endif()
 
-#
-# Enable @try/@catch/@finaly syntax in Objective C code.
-#
-add_compile_flags("OBJC;OBJCXX"
-    "-fobjc-exceptions")
-
-#
-# Invoke C++ constructors/destructors in the Objective C class instances.
-#
-add_compile_flags("OBJCXX" "-fobjc-call-cxx-cdtors")
-
-#
-# Assume that all Objective-C message dispatches (e.g., [receiver message:arg])
-# ensure that the receiver is not nil. This allows for more efficient entry
-# points in the runtime to be used
-#
-if (CMAKE_COMPILER_IS_GNUCC)
-    add_compile_flags("OBJC;OBJCXX"
-        "-fno-nil-receivers")
-endif()
-
-if (CMAKE_COMPILER_IS_CLANG)
-    add_compile_flags("OBJC"
-        "-fobjc-nonfragile-abi"
-        "-fno-objc-legacy-dispatch")
-endif()
-
-if (CMAKE_COMPILER_IS_CLANGXX)
-    add_compile_flags("OBJCXX"
-        "-fobjc-nonfragile-abi"
-        "-fno-objc-legacy-dispatch")
-elseif(CMAKE_COMPILER_IS_GNUCXX)
-    # Suppress deprecated warnings in objc/runtime-deprecated.h
-    add_compile_flags("OBJCXX"
-        " -Wno-deprecated-declarations")
-endif()
-
 macro(enable_tnt_compile_flags)
     # Tarantool code is written in GNU C dialect.
     # Additionally, compile it with more strict flags than the rest

doc/user/tutorial.xml

@@ -53,8 +53,7 @@
     To build Tarantool from source, additionally:
   <itemizedlist>
     <listitem><para>CMake 2.6 or newer,</para></listitem>
-    <listitem><para>GCC 4.4 or newer, with gcc-objc (ObjectiveC)
-    language frontend or Clang 3.1 or newer,</para></listitem>
+    <listitem><para>GCC 4.5 or newer or Clang 3.1 or newer,</para></listitem>
     <listitem><para>libreadline-dev, when compiling the
     command line client.
     </para></listitem>