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|
# extconf.rb for tcltklib
require 'mkmf'
is_win32 = (/mswin32|mingw|cygwin|bccwin32/ =~ RUBY_PLATFORM)
is_macosx = (/darwin/ =~ RUBY_PLATFORM)
mac_need_framework =
is_macosx &&
enable_config("mac-tcltk-framework", false) &&
FileTest.directory?("/Library/Frameworks/Tcl.framework/") &&
FileTest.directory?("/Library/Frameworks/Tk.framework/")
unless is_win32
have_library("nsl", "t_open")
have_library("socket", "socket")
have_library("dl", "dlopen")
have_library("m", "log")
end
dir_config("tk")
dir_config("tcl")
dir_config("X11")
tklib = with_config("tklib")
tcllib = with_config("tcllib")
stubs = enable_config("tcltk_stubs") || with_config("tcltk_stubs")
def find_tcl(tcllib, stubs)
paths = ["/usr/local/lib", "/usr/pkg/lib", "/usr/lib"]
if stubs
func = "Tcl_InitStubs"
lib = "tclstub"
else
func = "Tcl_FindExecutable"
lib = "tcl"
end
if tcllib
find_library(tcllib, func, *paths)
elsif find_library(lib, func, *paths)
true
else
%w[8.5 8.4 8.3 8.2 8.1 8.0 7.6].find { |ver|
find_library("tcl#{ver}", func, *paths) or
find_library("tcl#{ver.delete('.')}", func, *paths)
}
end
end
def find_tk(tklib, stubs)
paths = ["/usr/local/lib", "/usr/pkg/lib", "/usr/lib"]
if stubs
func = "Tk_InitStubs"
lib = "tkstub"
else
func = "Tk_Init"
lib = "tk"
end
if tklib
find_library(tklib, func, *paths)
elsif find_library(lib, func, *paths)
true
else
%w[8.5 8.4 8.3 8.2 8.1 8.0 4.2].find { |ver|
find_library("tk#{ver}", func, *paths) or
find_library("tk#{ver.delete('.')}", func, *paths)
}
end
end
def pthread_check()
tcl_major_ver = nil
tcl_minor_ver = nil
# Is tcl-thread given by user ?
case enable_config("tcl-thread")
when true
tcl_enable_thread = true
when false
tcl_enable_thread = false
else
tcl_enable_thread = nil
end
if (tclConfig = with_config("tclConfig-file"))
if tcl_enable_thread == true
puts("Warning: --with-tclConfig-file option is ignored, because --enable-tcl-thread option is given.")
elsif tcl_enable_thread == false
puts("Warning: --with-tclConfig-file option is ignored, because --disable-tcl-thread option is given.")
else
# tcl-thread is unknown and tclConfig.sh is given
begin
open(tclConfig, "r") do |cfg|
while line = cfg.gets()
if line =~ /^\s*TCL_THREADS=(0|1)/
tcl_enable_thread = ($1 == "1")
break
end
if line =~ /^\s*TCL_MAJOR_VERSION=("|')(\d+)\1/
tcl_major_ver = $2
if tcl_major_ver =~ /^[1-7]$/
tcl_enable_thread = false
break
end
if tcl_major_ver == "8" && tcl_minor_ver == "0"
tcl_enable_thread = false
break
end
end
if line =~ /^\s*TCL_MINOR_VERSION=("|')(\d+)\1/
tcl_minor_ver = $2
if tcl_major_ver == "8" && tcl_minor_ver == "0"
tcl_enable_thread = false
break
end
end
end
end
if tcl_enable_thread == nil
# not find definition
if tcl_major_ver
puts("Warning: '#{tclConfig}' doesn't include TCL_THREADS definition.")
else
puts("Warning: '#{tclConfig}' may not be a tclConfig file.")
end
tclConfig = false
end
rescue Exception
puts("Warning: fail to read '#{tclConfig}'!! --> ignore the file")
tclConfig = false
end
end
end
if tcl_enable_thread == nil && !tclConfig
# tcl-thread is unknown and tclConfig is unavailable
begin
try_run_available = try_run("int main() { exit(0); }")
rescue Exception
# cannot try_run. Is CROSS-COMPILE environment?
puts(%Q'\
*****************************************************************************
**
** PTHREAD SUPPORT CHECK WARNING:
**
** We cannot check the consistency of pthread support between Ruby
** and Tcl/Tk library on your environment (do coss-compile?). If the
** consistency is not kept, some memory troubles (e.g. "Hang-up" or
** "Segmentation Fault") may bother you. We strongly you to check the
** consistency by your own hand.
**
*****************************************************************************
')
return true
end
end
if tcl_enable_thread == nil
# tcl-thread is unknown
if try_run(<<EOF)
#include <tcl.h>
static Tcl_ThreadDataKey dataKey;
int main() { exit((Tcl_GetThreadData(&dataKey, 1) == dataKey)? 1: 0); }
EOF
tcl_enable_thread = true
else
tcl_enable_thread = false
end
end
# check pthread mode
if (macro_defined?('HAVE_LIBPTHREAD', '#include "ruby.h"'))
# ruby -> enable
unless tcl_enable_thread
# ruby -> enable && tcl -> disable
puts(%Q'\
*****************************************************************************
**
** PTHREAD SUPPORT MODE WARNING:
**
** Ruby is compiled with --enable-pthread, but your Tcl/Tk libraries
** seems to be compiled without "pthread support". Although You can
** create tcltklib library, this combination may cause memory trouble
** (e.g. "Hang-up" or "Segmentation Fault"). If you have no reason you
** must have to keep current pthread support status, we recommend you
** to make both or neither libraries to support pthread.
**
** If you want change the status of pthread support, please recompile
** Ruby without "--enable-pthread" configure option or recompile Tcl/Tk
** with "--enable-threads" configure option (if your Tcl/Tk is later
** than or equal to Tcl/Tk8.1).
**
*****************************************************************************
')
end
# ruby -> enable && tcl -> enable/disable
return true
else
# ruby -> disable
if tcl_enable_thread
# ruby -> disable && tcl -> enable
puts(%Q'\
*****************************************************************************
**
** PTHREAD SUPPORT MODE ERRROR:
**
** Ruby is not compiled with --enable-pthread, but your Tcl/Tk
** libararies seems to be compiled with "pthread support". This
** combination possibly cause "Hang-up" or "Segmentation Fault"
** frequently when Ruby/Tk is working. We NEVER recommend you to
** create the library under such combination of pthread support.
**
** Please recompile Ruby with "--enable-pthread" configure option
** or recompile Tcl/Tk with "--disable-threads" configure option.
**
*****************************************************************************
')
return false
else
# ruby -> disable && tcl -> disable
return true
end
end
end
if mac_need_framework ||
(have_header("tcl.h") && have_header("tk.h") &&
(is_win32 || find_library("X11", "XOpenDisplay",
"/usr/X11/lib", "/usr/lib/X11", "/usr/X11R6/lib", "/usr/openwin/lib")) &&
find_tcl(tcllib, stubs) &&
find_tk(tklib, stubs))
$CPPFLAGS += ' -DUSE_TCL_STUBS -DUSE_TK_STUBS' if stubs
$CPPFLAGS += ' -D_WIN32' if /cygwin/ =~ RUBY_PLATFORM
if mac_need_framework
$CPPFLAGS += ' -I/Library/Frameworks/Tcl.framework/headers -I/Library/Frameworks/Tk.framework/Headers'
$LDFLAGS += ' -framework Tk -framework Tcl'
end
create_makefile("tcltklib") if stubs or pthread_check
end
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