3 files changed, 273 insertions, 62 deletions
diff --git a/ext/fcntl/depend b/ext/fcntl/depend
index 61d7dc20ee..57ea0f2106 100644
--- a/ext/fcntl/depend
+++ b/ext/fcntl/depend
@@ -1,13 +1,163 @@
 # AUTOGENERATED DEPENDENCIES START
 fcntl.o: $(RUBY_EXTCONF_H)
 fcntl.o: $(arch_hdrdir)/ruby/config.h
+fcntl.o: $(hdrdir)/ruby.h
+fcntl.o: $(hdrdir)/ruby/assert.h
 fcntl.o: $(hdrdir)/ruby/backward.h
+fcntl.o: $(hdrdir)/ruby/backward/2/assume.h
+fcntl.o: $(hdrdir)/ruby/backward/2/attributes.h
+fcntl.o: $(hdrdir)/ruby/backward/2/bool.h
+fcntl.o: $(hdrdir)/ruby/backward/2/inttypes.h
+fcntl.o: $(hdrdir)/ruby/backward/2/limits.h
+fcntl.o: $(hdrdir)/ruby/backward/2/long_long.h
+fcntl.o: $(hdrdir)/ruby/backward/2/stdalign.h
+fcntl.o: $(hdrdir)/ruby/backward/2/stdarg.h
 fcntl.o: $(hdrdir)/ruby/defines.h
 fcntl.o: $(hdrdir)/ruby/intern.h
+fcntl.o: $(hdrdir)/ruby/internal/abi.h
+fcntl.o: $(hdrdir)/ruby/internal/anyargs.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/char.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/double.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/fixnum.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/gid_t.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/int.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/intptr_t.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/long.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/long_long.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/mode_t.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/off_t.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/pid_t.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/short.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/size_t.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/st_data_t.h
+fcntl.o: $(hdrdir)/ruby/internal/arithmetic/uid_t.h
+fcntl.o: $(hdrdir)/ruby/internal/assume.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/alloc_size.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/artificial.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/cold.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/const.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/constexpr.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/deprecated.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/diagnose_if.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/enum_extensibility.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/error.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/flag_enum.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/forceinline.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/format.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/maybe_unused.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/noalias.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/nodiscard.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/noexcept.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/noinline.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/nonnull.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/noreturn.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/packed_struct.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/pure.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/restrict.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/returns_nonnull.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/warning.h
+fcntl.o: $(hdrdir)/ruby/internal/attr/weakref.h
+fcntl.o: $(hdrdir)/ruby/internal/cast.h
+fcntl.o: $(hdrdir)/ruby/internal/compiler_is.h
+fcntl.o: $(hdrdir)/ruby/internal/compiler_is/apple.h
+fcntl.o: $(hdrdir)/ruby/internal/compiler_is/clang.h
+fcntl.o: $(hdrdir)/ruby/internal/compiler_is/gcc.h
+fcntl.o: $(hdrdir)/ruby/internal/compiler_is/intel.h
+fcntl.o: $(hdrdir)/ruby/internal/compiler_is/msvc.h
+fcntl.o: $(hdrdir)/ruby/internal/compiler_is/sunpro.h
+fcntl.o: $(hdrdir)/ruby/internal/compiler_since.h
+fcntl.o: $(hdrdir)/ruby/internal/config.h
+fcntl.o: $(hdrdir)/ruby/internal/constant_p.h
+fcntl.o: $(hdrdir)/ruby/internal/core.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rarray.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rbasic.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rbignum.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rclass.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rdata.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rfile.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rhash.h
+fcntl.o: $(hdrdir)/ruby/internal/core/robject.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rregexp.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rstring.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rstruct.h
+fcntl.o: $(hdrdir)/ruby/internal/core/rtypeddata.h
+fcntl.o: $(hdrdir)/ruby/internal/ctype.h
+fcntl.o: $(hdrdir)/ruby/internal/dllexport.h
+fcntl.o: $(hdrdir)/ruby/internal/dosish.h
+fcntl.o: $(hdrdir)/ruby/internal/error.h
+fcntl.o: $(hdrdir)/ruby/internal/eval.h
+fcntl.o: $(hdrdir)/ruby/internal/event.h
+fcntl.o: $(hdrdir)/ruby/internal/fl_type.h
+fcntl.o: $(hdrdir)/ruby/internal/gc.h
+fcntl.o: $(hdrdir)/ruby/internal/glob.h
+fcntl.o: $(hdrdir)/ruby/internal/globals.h
+fcntl.o: $(hdrdir)/ruby/internal/has/attribute.h
+fcntl.o: $(hdrdir)/ruby/internal/has/builtin.h
+fcntl.o: $(hdrdir)/ruby/internal/has/c_attribute.h
+fcntl.o: $(hdrdir)/ruby/internal/has/cpp_attribute.h
+fcntl.o: $(hdrdir)/ruby/internal/has/declspec_attribute.h
+fcntl.o: $(hdrdir)/ruby/internal/has/extension.h
+fcntl.o: $(hdrdir)/ruby/internal/has/feature.h
+fcntl.o: $(hdrdir)/ruby/internal/has/warning.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/array.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/bignum.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/class.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/compar.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/complex.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/cont.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/dir.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/enum.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/enumerator.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/error.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/eval.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/file.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/hash.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/io.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/load.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/marshal.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/numeric.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/object.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/parse.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/proc.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/process.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/random.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/range.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/rational.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/re.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/ruby.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/select.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/select/largesize.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/set.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/signal.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/sprintf.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/string.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/struct.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/thread.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/time.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/variable.h
+fcntl.o: $(hdrdir)/ruby/internal/intern/vm.h
+fcntl.o: $(hdrdir)/ruby/internal/interpreter.h
+fcntl.o: $(hdrdir)/ruby/internal/iterator.h
+fcntl.o: $(hdrdir)/ruby/internal/memory.h
+fcntl.o: $(hdrdir)/ruby/internal/method.h
+fcntl.o: $(hdrdir)/ruby/internal/module.h
+fcntl.o: $(hdrdir)/ruby/internal/newobj.h
+fcntl.o: $(hdrdir)/ruby/internal/scan_args.h
+fcntl.o: $(hdrdir)/ruby/internal/special_consts.h
+fcntl.o: $(hdrdir)/ruby/internal/static_assert.h
+fcntl.o: $(hdrdir)/ruby/internal/stdalign.h
+fcntl.o: $(hdrdir)/ruby/internal/stdbool.h
+fcntl.o: $(hdrdir)/ruby/internal/stdckdint.h
+fcntl.o: $(hdrdir)/ruby/internal/symbol.h
+fcntl.o: $(hdrdir)/ruby/internal/value.h
+fcntl.o: $(hdrdir)/ruby/internal/value_type.h
+fcntl.o: $(hdrdir)/ruby/internal/variable.h
+fcntl.o: $(hdrdir)/ruby/internal/warning_push.h
+fcntl.o: $(hdrdir)/ruby/internal/xmalloc.h
 fcntl.o: $(hdrdir)/ruby/missing.h
 fcntl.o: $(hdrdir)/ruby/ruby.h
 fcntl.o: $(hdrdir)/ruby/st.h
 fcntl.o: $(hdrdir)/ruby/subst.h
-fcntl.o: $(top_srcdir)/include/ruby.h
 fcntl.o: fcntl.c
 # AUTOGENERATED DEPENDENCIES END
diff --git a/ext/fcntl/fcntl.c b/ext/fcntl/fcntl.c
index c93694c431..b987e237dd 100644
--- a/ext/fcntl/fcntl.c
+++ b/ext/fcntl/fcntl.c
@@ -28,7 +28,10 @@ pack up your own arguments to pass as args for locking functions, etc.
 #include "ruby.h"
 #include <fcntl.h>
 
-/* Fcntl loads the constants defined in the system's <fcntl.h> C header
+/*
+ * Document-module: Fcntl
+ *
+ * Fcntl loads the constants defined in the system's <fcntl.h> C header
  * file, and used with both the fcntl(2) and open(2) POSIX system calls.
  *
  * To perform a fcntl(2) operation, use IO::fcntl.
@@ -61,13 +64,19 @@ pack up your own arguments to pass as args for locking functions, etc.
  *   f.fcntl(Fcntl::F_SETFL, Fcntl::O_NONBLOCK|m)
  *
  */
+
+#define FCNTL_VERSION "1.3.0"
+
 void
 Init_fcntl(void)
 {
     VALUE mFcntl = rb_define_module("Fcntl");
+
+    /* The version string. */
+    rb_define_const(mFcntl, "VERSION", rb_str_new_cstr(FCNTL_VERSION));
+
 #ifdef F_DUPFD
-    /* Document-const: F_DUPFD
-     *
+    /*
      * Duplicate a file descriptor to the minimum unused file descriptor
      * greater than or equal to the argument.
      *
@@ -78,168 +87,214 @@ Init_fcntl(void)
     rb_define_const(mFcntl, "F_DUPFD", INT2NUM(F_DUPFD));
 #endif
 #ifdef F_GETFD
-    /* Document-const: F_GETFD
-     *
+    /*
      * Read the close-on-exec flag of a file descriptor.
      */
     rb_define_const(mFcntl, "F_GETFD", INT2NUM(F_GETFD));
 #endif
 #ifdef F_GETLK
-    /* Document-const: F_GETLK
-     *
+    /*
      * Determine whether a given region of a file is locked.  This uses one of
      * the F_*LK flags.
      */
     rb_define_const(mFcntl, "F_GETLK", INT2NUM(F_GETLK));
 #endif
 #ifdef F_SETFD
-    /* Document-const: F_SETFD
-     *
+    /*
      * Set the close-on-exec flag of a file descriptor.
      */
     rb_define_const(mFcntl, "F_SETFD", INT2NUM(F_SETFD));
 #endif
 #ifdef F_GETFL
-    /* Document-const: F_GETFL
-     *
+    /*
      * Get the file descriptor flags.  This will be one or more of the O_*
      * flags.
      */
     rb_define_const(mFcntl, "F_GETFL", INT2NUM(F_GETFL));
 #endif
 #ifdef F_SETFL
-    /* Document-const: F_SETFL
-     *
+    /*
      * Set the file descriptor flags.  This will be one or more of the O_*
      * flags.
      */
     rb_define_const(mFcntl, "F_SETFL", INT2NUM(F_SETFL));
 #endif
 #ifdef F_SETLK
-    /* Document-const: F_SETLK
-     *
+    /*
      * Acquire a lock on a region of a file.  This uses one of the F_*LCK
      * flags.
      */
     rb_define_const(mFcntl, "F_SETLK", INT2NUM(F_SETLK));
 #endif
 #ifdef F_SETLKW
-    /* Document-const: F_SETLKW
-     *
+    /*
      * Acquire a lock on a region of a file, waiting if necessary.  This uses
      * one of the F_*LCK flags
      */
     rb_define_const(mFcntl, "F_SETLKW", INT2NUM(F_SETLKW));
 #endif
 #ifdef FD_CLOEXEC
-    /* Document-const: FD_CLOEXEC
-     *
+    /*
      * the value of the close-on-exec flag.
      */
     rb_define_const(mFcntl, "FD_CLOEXEC", INT2NUM(FD_CLOEXEC));
 #endif
 #ifdef F_RDLCK
-    /* Document-const: F_RDLCK
-     *
+    /*
      * Read lock for a region of a file
      */
     rb_define_const(mFcntl, "F_RDLCK", INT2NUM(F_RDLCK));
 #endif
 #ifdef F_UNLCK
-    /* Document-const: F_UNLCK
-     *
+    /*
      * Remove lock for a region of a file
      */
     rb_define_const(mFcntl, "F_UNLCK", INT2NUM(F_UNLCK));
 #endif
 #ifdef F_WRLCK
-    /* Document-const: F_WRLCK
-     *
+    /*
      * Write lock for a region of a file
      */
     rb_define_const(mFcntl, "F_WRLCK", INT2NUM(F_WRLCK));
 #endif
+#ifdef F_SETPIPE_SZ
+    /*
+     * Change the capacity of the pipe referred to by fd to be at least arg bytes.
+     */
+    rb_define_const(mFcntl, "F_SETPIPE_SZ", INT2NUM(F_SETPIPE_SZ));
+#endif
+#ifdef F_GETPIPE_SZ
+    /*
+     * Return (as the function result) the capacity of the pipe referred to by fd.
+     */
+    rb_define_const(mFcntl, "F_GETPIPE_SZ", INT2NUM(F_GETPIPE_SZ));
+#endif
 #ifdef O_CREAT
-    /* Document-const: O_CREAT
-     *
+    /*
      * Create the file if it doesn't exist
      */
     rb_define_const(mFcntl, "O_CREAT", INT2NUM(O_CREAT));
 #endif
 #ifdef O_EXCL
-    /* Document-const: O_EXCL
-     *
+    /*
      * Used with O_CREAT, fail if the file exists
      */
     rb_define_const(mFcntl, "O_EXCL", INT2NUM(O_EXCL));
 #endif
 #ifdef O_NOCTTY
-    /* Document-const: O_NOCTTY
-     *
+    /*
      * Open TTY without it becoming the controlling TTY
      */
     rb_define_const(mFcntl, "O_NOCTTY", INT2NUM(O_NOCTTY));
 #endif
 #ifdef O_TRUNC
-    /* Document-const: O_TRUNC
-     *
+    /*
      * Truncate the file on open
      */
     rb_define_const(mFcntl, "O_TRUNC", INT2NUM(O_TRUNC));
 #endif
 #ifdef O_APPEND
-    /* Document-const: O_APPEND
-     *
+    /*
      * Open the file in append mode
      */
     rb_define_const(mFcntl, "O_APPEND", INT2NUM(O_APPEND));
 #endif
 #ifdef O_NONBLOCK
-    /* Document-const: O_NONBLOCK
-     *
+    /*
      * Open the file in non-blocking mode
      */
     rb_define_const(mFcntl, "O_NONBLOCK", INT2NUM(O_NONBLOCK));
 #endif
 #ifdef O_NDELAY
-    /* Document-const: O_NDELAY
-     *
+    /*
      * Open the file in non-blocking mode
      */
     rb_define_const(mFcntl, "O_NDELAY", INT2NUM(O_NDELAY));
 #endif
 #ifdef O_RDONLY
-    /* Document-const: O_RDONLY
-     *
+    /*
      * Open the file in read-only mode
      */
     rb_define_const(mFcntl, "O_RDONLY", INT2NUM(O_RDONLY));
 #endif
 #ifdef O_RDWR
-    /* Document-const: O_RDWR
-     *
+    /*
      * Open the file in read-write mode
      */
     rb_define_const(mFcntl, "O_RDWR", INT2NUM(O_RDWR));
 #endif
 #ifdef O_WRONLY
-    /* Document-const: O_WRONLY
-     *
+    /*
      * Open the file in write-only mode.
      */
     rb_define_const(mFcntl, "O_WRONLY", INT2NUM(O_WRONLY));
 #endif
-#ifdef O_ACCMODE
-    /* Document-const: O_ACCMODE
-     *
+#ifndef O_ACCMODE
+    int O_ACCMODE = (O_RDONLY | O_WRONLY | O_RDWR);
+#endif
+    /*
      * Mask to extract the read/write flags
      */
     rb_define_const(mFcntl, "O_ACCMODE", INT2FIX(O_ACCMODE));
-#else
-    /* Document-const: O_ACCMODE
-     *
-     * Mask to extract the read/write flags
+#ifdef F_DUP2FD
+    /*
+     * It is a FreeBSD specific constant and equivalent
+     * to dup2 call.
+     */
+    rb_define_const(mFcntl, "F_DUP2FD", INT2NUM(F_DUP2FD));
+#endif
+#ifdef F_DUP2FD_CLOEXEC
+    /*
+     * It is a FreeBSD specific constant and acts
+     * similarly as F_DUP2FD but set the FD_CLOEXEC
+     * flag in addition.
+     */
+    rb_define_const(mFcntl, "F_DUP2FD_CLOEXEC", INT2NUM(F_DUP2FD_CLOEXEC));
+#endif
+
+#ifdef F_PREALLOCATE
+    /*
+     * macOS specific flag used for preallocating file space.
+     */
+    rb_define_const(mFcntl, "F_PREALLOCATE", INT2NUM(F_PREALLOCATE));
+#endif
+
+#ifdef F_ALLOCATECONTIG
+    /*
+     * macOS specific flag used with F_PREALLOCATE for allocating contiguous
+     * space.
+     */
+    rb_define_const(mFcntl, "F_ALLOCATECONTIG", INT2NUM(F_ALLOCATECONTIG));
+#endif
+
+#ifdef F_ALLOCATEALL
+    /*
+     * macOS specific flag used with F_PREALLOCATE for allocating all contiguous
+     * space or no space.
+     */
+    rb_define_const(mFcntl, "F_ALLOCATEALL", INT2NUM(F_ALLOCATEALL));
+#endif
+
+#ifdef F_ALLOCATEPERSIST
+    /*
+     * macOS specific flag used with F_PREALLOCATE. Allocate space that is not
+     * freed when close is called.
+     */
+    rb_define_const(mFcntl, "F_ALLOCATEPERSIST", INT2NUM(F_ALLOCATEPERSIST));
+#endif
+
+#ifdef F_PEOFPOSMODE
+    /*
+     * macOS specific flag used with F_PREALLOCATE. Allocate from the physical
+     * end of file
+     */
+    rb_define_const(mFcntl, "F_PEOFPOSMODE", INT2NUM(F_PEOFPOSMODE));
+#endif
+
+#ifdef F_VOLPOSMODE
+    /*
+     * macOS specific flag used with F_PREALLOCATE. Allocate from the volume offset.
      */
-    rb_define_const(mFcntl, "O_ACCMODE", INT2FIX(O_RDONLY | O_WRONLY | O_RDWR));
+    rb_define_const(mFcntl, "F_VOLPOSMODE", INT2NUM(F_VOLPOSMODE));
 #endif
 }
diff --git a/ext/fcntl/fcntl.gemspec b/ext/fcntl/fcntl.gemspec
index 07922e1c25..613a90d1ae 100644
--- a/ext/fcntl/fcntl.gemspec
+++ b/ext/fcntl/fcntl.gemspec
@@ -1,26 +1,32 @@
 # coding: utf-8
 # frozen_string_literal: true
 
+source_version = ["", "ext/fcntl/"].find do |dir|
+  begin
+    break File.open(File.join(__dir__, "#{dir}fcntl.c")) {|f|
+      f.gets("\n#define FCNTL_VERSION ")
+      f.gets[/\s*"(.+)"/, 1]
+    }
+  rescue Errno::ENOENT
+  end
+end
+
 Gem::Specification.new do |spec|
   spec.name          = "fcntl"
-  spec.version       = "0.0.1"
-  spec.date          = '2017-02-10'
+  spec.version       = source_version
   spec.authors       = ["Yukihiro Matsumoto"]
   spec.email         = ["matz@ruby-lang.org"]
 
   spec.summary       = "Loads constants defined in the OS fcntl.h C header file"
   spec.description   = "Loads constants defined in the OS fcntl.h C header file"
   spec.homepage      = "https://github.com/ruby/fcntl"
-  spec.license       = "BSD-2-Clause"
+  spec.licenses      = ["Ruby", "BSD-2-Clause"]
 
   spec.files         = ["ext/fcntl/extconf.rb", "ext/fcntl/fcntl.c"]
+  spec.extra_rdoc_files = [".document", ".rdoc_options", "BSDL", "COPYING", "README.md"]
   spec.bindir        = "exe"
   spec.executables   = spec.files.grep(%r{^exe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
   spec.extensions    = "ext/fcntl/extconf.rb"
-  spec.required_ruby_version = ">= 2.5.0dev"
-
-  spec.add_development_dependency "bundler", "~> 1.14"
-  spec.add_development_dependency "rake", "~> 12"
-  spec.add_development_dependency "rake-compiler"
+  spec.required_ruby_version = ">= 2.5.0"
 end