require 'mkmf'

if RbConfig::CONFIG['GCC'] == 'yes'
  (have_macro("__clang__") ? $LDFLAGS : $CFLAGS) << " -fno-defer-pop"
  $CFLAGS << " -fno-omit-frame-pointer"
end

$INSTALLFILES = [
  ["dl.h", "$(HDRDIR)"],
]

check = true
if( have_header("dlfcn.h") )
  have_library("dl")
  check &&= have_func("dlopen")
  check &&= have_func("dlclose")
  check &&= have_func("dlsym")
  have_func("dlerror")
elsif( have_header("windows.h") )
  check &&= have_func("LoadLibrary")
  check &&= have_func("FreeLibrary")
  check &&= have_func("GetProcAddress")
else
  check = false
end

if check
  config = File.read(RbConfig.expand(File.join($arch_hdrdir, "ruby/config.h")))
  types = {"SIZE_T"=>"SSIZE_T", "PTRDIFF_T"=>nil, "INTPTR_T"=>nil}
  types.each do |type, signed|
    if /^\#define\s+SIZEOF_#{type}\s+(SIZEOF_(.+)|\d+)/ =~ config
      if size = $2 and size != 'VOIDP'
        size = types.fetch(size) {size}
        $defs << format("-DDLTYPE_%s=DLTYPE_%s", signed||type, size)
      end
      if signed
        check_signedness(type.downcase, "stddef.h")
      end
    end
  end
  $defs << %[-DRUBY_VERSION=\\"#{RUBY_VERSION}\\"]
  create_makefile("dl")
end
3'>ruby_1_9_3</option>
<option value='ruby_2_0_0'>ruby_2_0_0</option>
<option value='ruby_2_1'>ruby_2_1</option>
<option value='ruby_2_2'>ruby_2_2</option>
<option value='ruby_2_3'>ruby_2_3</option>
<option value='ruby_2_4'>ruby_2_4</option>
<option value='ruby_2_5'>ruby_2_5</option>
<option value='ruby_2_6'>ruby_2_6</option>
<option value='ruby_2_7'>ruby_2_7</option>
<option value='ruby_3_0'>ruby_3_0</option>
<option value='ruby_3_1'>ruby_3_1</option>
<option value='ruby_3_2'>ruby_3_2</option>
<option value='ruby_3_3'>ruby_3_3</option>
<option value='v1_0r'>v1_0r</option>
<option value='v1_1dev'>v1_1dev</option>
<option value='v1_1r'>v1_1r</option>
</select> <input type='submit' value='switch'/></form></td></tr>
<tr><td class='sub'>The Ruby Programming Language</td><td class='sub right'></td></tr></table>
<table class='tabs'><tr><td>
<a href='/ruby.git/?h=v1_8_6_229'>summary</a><a href='/ruby.git/refs/?h=v1_8_6_229&amp;id=40a2afd08fe1b921f1052b29031abfa1869e0557'>refs</a><a class='active' href='/ruby.git/log/internal/parse.h?h=v1_8_6_229'>log</a><a href='/ruby.git/tree/internal/parse.h?h=v1_8_6_229&amp;id=40a2afd08fe1b921f1052b29031abfa1869e0557'>tree</a><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=40a2afd08fe1b921f1052b29031abfa1869e0557'>commit</a><a href='/ruby.git/diff/internal/parse.h?h=v1_8_6_229&amp;id=40a2afd08fe1b921f1052b29031abfa1869e0557'>diff</a></td><td class='form'><form class='right' method='get' action='/ruby.git/log/internal/parse.h'>
<input type='hidden' name='h' value='v1_8_6_229'/><input type='hidden' name='id' value='40a2afd08fe1b921f1052b29031abfa1869e0557'/><select name='qt'>
<option value='grep'>log msg</option>
<option value='author'>author</option>
<option value='committer'>committer</option>
<option value='range'>range</option>
</select>
<input class='txt' type='search' size='10' name='q' value=''/>
<input type='submit' value='search'/>
</form>
</td></tr></table>
<div class='path'>path: <a href='/ruby.git/log/?h=v1_8_6_229&amp;id=40a2afd08fe1b921f1052b29031abfa1869e0557'>root</a>/<a href='/ruby.git/log/internal?h=v1_8_6_229&amp;id=40a2afd08fe1b921f1052b29031abfa1869e0557'>internal</a>/<a href='/ruby.git/log/internal/parse.h?h=v1_8_6_229&amp;id=40a2afd08fe1b921f1052b29031abfa1869e0557'>parse.h</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/ruby.git/log/internal/parse.h?h=v1_8_6_229&amp;id=40a2afd08fe1b921f1052b29031abfa1869e0557&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2023-10-14 11:08:43 +0900'>2023-10-14</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=5fc9810bf3a0ac6eb9964ff30b0e1060270ab597'>Shorten `rb_strterm_literal_t` members</a></td><td>Nobuyoshi Nakada</td></tr>
<tr><td><span title='2023-10-14 11:08:43 +0900'>2023-10-14</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=a075c55d0c29fa5c99c5a3b6f25540cf14ddaefd'>Manage `rb_strterm_t` without imemo</a></td><td>Nobuyoshi Nakada</td></tr>
<tr><td><span title='2023-10-14 11:08:43 +0900'>2023-10-14</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=cb06b6632a0d6e33522d75cab7836ff457a452b5'>Remove unions in `rb_strterm` structs for alignment</a></td><td>Nobuyoshi Nakada</td></tr>
<tr><td><span title='2023-08-25 18:23:05 +0900'>2023-08-25</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=6aa16f9ec14a296f549dc955774ad2293d1c54d6'>Move SCRIPT_LINES__ away from parse.y</a></td><td>Nobuyoshi Nakada</td></tr>
<tr><td><span title='2023-06-12 20:22:01 +0900'>2023-06-12</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=81836c6cb9fceb4cc8e9e95317a6cbb3d0ad181a'>Fix duplicate symbol errors when statically linking ripper</a></td><td>Nobuyoshi Nakada</td></tr>
<tr><td><span title='2023-06-12 18:23:48 +0900'>2023-06-12</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=b481b673d753339204290d7582dbb91a6e14447a'>[Feature #19719] Universal Parser</a></td><td>yui-knk</td></tr>
<tr><td><span title='2023-02-27 09:24:45 -0800'>2023-02-27</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=526111290b2e01e798f436dfe4acc3bf10c6bbd1'>Revert "reuse open(2) from rb_file_load_ok on POSIX-like system"</a></td><td>Takashi Kokubun</td></tr>
<tr><td><span title='2023-02-26 20:39:41 +0000'>2023-02-26</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=35136e1e9c232ad7a03407b992b2e86b6df43f63'>reuse open(2) from rb_file_load_ok on POSIX-like system</a></td><td>Eric Wong</td></tr>
<tr><td><span title='2022-11-21 09:01:34 +0900'>2022-11-21</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=d8601621edcf29e3323b90dcf04b774edd9fb45e'>Enhance keep_tokens option for RubyVM::AbstractSyntaxTree parsing methods</a></td><td>yui-knk</td></tr>
<tr><td><span title='2022-10-08 17:59:11 +0900'>2022-10-08</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=fbbdbdd8911ffb24d98bb71c7c33d24609ce7dfe'>Add error_tolerant option to RubyVM::AST</a></td><td>yui-knk</td></tr>
<tr><td><span title='2021-09-10 20:00:06 +0900'>2021-09-10</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=daf0c04a47e5aaede2f2a3e3663148dff96ff770'>internal/*.h: skip doxygen</a></td><td>卜部昌平</td></tr>
<tr><td><span title='2021-08-20 16:18:36 +0900'>2021-08-20</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=cad83fa3c4491153df0561b06bb261e25a831d0f'>ast.c: Rename "save_script_lines" to "keep_script_lines"</a></td><td>Yusuke Endoh</td></tr>
<tr><td><span title='2021-06-18 02:34:27 +0900'>2021-06-18</span></td><td><a href='/ruby.git/commit/internal/parse.h?h=v1_8_6_229&amp;id=acae5f363dfaedd9c2873cee68c9498da3c072f5'>ast.rb: RubyVM::AST.parse and .of accepts `save_script_lines: true`</a></td><td>Yusuke Endoh</td></tr>