From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/ext/readline/extconf.rb | 109 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 jni/ruby/ext/readline/extconf.rb

(limited to 'jni/ruby/ext/readline/extconf.rb')

diff --git a/jni/ruby/ext/readline/extconf.rb b/jni/ruby/ext/readline/extconf.rb
new file mode 100644
index 0000000..c79370b
--- /dev/null
+++ b/jni/ruby/ext/readline/extconf.rb
@@ -0,0 +1,109 @@
+require "mkmf"
+
+readline = Struct.new(:headers, :extra_check).new(["stdio.h"])
+
+def readline.have_header(header)
+  if super(header, &extra_check)
+    headers.push(header)
+    return true
+  else
+    return false
+  end
+end
+
+def readline.have_var(var)
+  return super(var, headers)
+end
+
+def readline.have_func(func)
+  return super(func, headers)
+end
+
+def readline.have_type(type)
+  return super(type, headers)
+end
+
+dir_config('curses')
+dir_config('ncurses')
+dir_config('termcap')
+dir_config("readline")
+enable_libedit = enable_config("libedit")
+
+have_library("user32", nil) if /cygwin/ === RUBY_PLATFORM
+have_library("ncurses", "tgetnum") ||
+  have_library("termcap", "tgetnum") ||
+  have_library("curses", "tgetnum")
+
+case enable_libedit
+when true
+  # --enable-libedit
+  unless (readline.have_header("editline/readline.h") ||
+          readline.have_header("readline/readline.h")) &&
+          have_library("edit", "readline")
+    raise "libedit not found"
+  end
+when false
+  # --disable-libedit
+  unless ((readline.have_header("readline/readline.h") &&
+           readline.have_header("readline/history.h")) &&
+           have_library("readline", "readline"))
+    raise "readline not found"
+  end
+else
+  # does not specify
+  unless ((readline.have_header("readline/readline.h") &&
+           readline.have_header("readline/history.h")) &&
+           (have_library("readline", "readline") ||
+            have_library("edit", "readline"))) ||
+            (readline.have_header("editline/readline.h") &&
+             have_library("edit", "readline"))
+    raise "readline nor libedit not found"
+  end
+end
+
+readline.have_func("rl_getc")
+readline.have_func("rl_getc_function")
+readline.have_func("rl_filename_completion_function")
+readline.have_func("rl_username_completion_function")
+readline.have_func("rl_completion_matches")
+readline.have_func("rl_refresh_line")
+readline.have_var("rl_deprep_term_function")
+readline.have_var("rl_completion_append_character")
+readline.have_var("rl_basic_word_break_characters")
+readline.have_var("rl_completer_word_break_characters")
+readline.have_var("rl_basic_quote_characters")
+readline.have_var("rl_completer_quote_characters")
+readline.have_var("rl_filename_quote_characters")
+readline.have_var("rl_attempted_completion_over")
+readline.have_var("rl_library_version")
+readline.have_var("rl_editing_mode")
+readline.have_var("rl_line_buffer")
+readline.have_var("rl_point")
+# workaround for native windows.
+/mswin|bccwin|mingw/ !~ RUBY_PLATFORM && readline.have_var("rl_event_hook")
+/mswin|bccwin|mingw/ !~ RUBY_PLATFORM && readline.have_var("rl_catch_sigwinch")
+/mswin|bccwin|mingw/ !~ RUBY_PLATFORM && readline.have_var("rl_catch_signals")
+readline.have_var("rl_pre_input_hook")
+readline.have_var("rl_special_prefixes")
+readline.have_func("rl_cleanup_after_signal")
+readline.have_func("rl_free_line_state")
+readline.have_func("rl_clear_signals")
+readline.have_func("rl_set_screen_size")
+readline.have_func("rl_get_screen_size")
+readline.have_func("rl_vi_editing_mode")
+readline.have_func("rl_emacs_editing_mode")
+readline.have_func("replace_history_entry")
+readline.have_func("remove_history")
+readline.have_func("clear_history")
+readline.have_func("rl_redisplay")
+readline.have_func("rl_insert_text")
+readline.have_func("rl_delete_text")
+unless readline.have_type("rl_hook_func_t*")
+  # rl_hook_func_t is available since readline-4.2 (2001).
+  # Function is removed at readline-6.3 (2014).
+  # However, editline (NetBSD 6.1.3, 2014) doesn't have rl_hook_func_t.
+  $defs << "-Drl_hook_func_t=Function"
+end
+
+$INCFLAGS << " -I$(top_srcdir)"
+create_makefile("readline")
-- 
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