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ruby--ruby/ext/tk/extconf.rb
nobu cf508bfeda * ext/tk: check proper conditions. [ruby-dev:35047]
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@17099 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2008-06-11 15:56:22 +00:00

419 lines
12 KiB
Ruby

# extconf.rb for tcltklib
require 'mkmf'
is_win32 = (/mswin|mingw|cygwin|bccwin|wince/ =~ RUBY_PLATFORM)
#is_macosx = (/darwin/ =~ RUBY_PLATFORM)
have_header("ruby/ruby.h")
have_header("ruby/encoding.h")
have_func("ruby_native_thread_p", "ruby.h")
have_func("rb_errinfo", "ruby.h")
have_func("rb_safe_level", "ruby.h")
have_struct_member("struct RArray", "ptr", "ruby.h")
have_struct_member("struct RArray", "len", "ruby.h")
def find_framework(tcl_hdr, tk_hdr)
if framework_dir = with_config("tcltk-framework")
paths = [framework_dir]
else
unless tcl_hdr || tk_hdr ||
enable_config("tcltk-framework", false) ||
enable_config("mac-tcltk-framework", false)
return false
end
paths = ["/Library/Frameworks", "/System/Library/Frameworks"]
end
checking_for('Tcl/Tk Framework') {
paths.find{|dir|
dir.strip!
dir.chomp!('/')
(tcl_hdr || FileTest.directory?(dir + "/Tcl.framework/") ) &&
(tk_hdr || FileTest.directory?(dir + "/Tk.framework/") )
}
}
end
tcl_framework_header = with_config("tcl-framework-header")
tk_framework_header = with_config("tk-framework-header")
tcltk_framework = find_framework(tcl_framework_header, tk_framework_header)
unless is_win32
have_library("nsl", "t_open")
have_library("socket", "socket")
have_library("dl", "dlopen")
have_library("m", "log")
end
tk_idir, tk_ldir = dir_config("tk")
tcl_idir, tcl_ldir = dir_config("tcl")
x11_idir, x11_ldir = dir_config("X11")
tk_ldir2 = with_config("tk-lib")
tcl_ldir2 = with_config("tcl-lib")
x11_ldir2 = with_config("X11-lib")
tk_ldir_list = [tk_ldir2, tk_ldir]
tcl_ldir_list = [tcl_ldir2, tcl_ldir]
tklib = with_config("tklib")
tcllib = with_config("tcllib")
stubs = enable_config("tcltk_stubs") || with_config("tcltk_stubs")
tcltk_version = with_config("tcltkversion")
use_X = with_config("X11", (! is_win32))
def check_tcltk_version(version)
return [nil, nil] unless version
version = version.strip
tclver = version.dup
tkver = version.dup
major = dot = minor = dot = plvl = ext = nil
if version =~ /^(\d)(\.?)(\d)(\.?)(\d*)(.*)$/
major = $1; minor_dot = $2; minor = $3; plvl_dot = $4; plvl = $5; ext = $6
dot = ! minor_dot.empty?
if plvl_dot.empty? && ! plvl.empty?
minor << plvl
end
elsif version =~ /^(\d)(\.?)(\d?)(.*)$/
major = $1; minor_dot = $2; minor = $3; ext = $4
dot = ! minor_dot.empty?
else # unknown -> believe user
return [tclver, tkver]
end
# check Tcl7.6 / Tk4.2 ?
if major == "7" # Tcl7.6 ( not support Tclversion < 7.6 )
# Tk4.2
tkver = "4" + ((dot)? ".": "") + ((minor.empty)? "": "2") + ext
elsif major == "4" # Tk4.2 ( not support Tkversion < 4.2 )
# Tcl7.6
tclver = "7" + ((dot)? ".": "") + ((minor.empty)? "": "6") + ext
end
[tclver, tkver]
end
def find_tcl(tcllib, stubs, version, *opt_paths)
default_paths = ["/usr/local/lib", "/usr/pkg/lib", "/usr/lib"]
default_paths << "/Tcl/lib" # default for ActiveTcl
if (paths = opt_paths.compact).empty?
paths = default_paths
end
if stubs
func = "Tcl_InitStubs"
lib = "tclstub"
else
func = "Tcl_FindExecutable"
lib = "tcl"
end
if version && ! version.empty?
versions = [version]
else
versions = %w[8.6 8.5 8.4 8.3 8.2 8.1 8.0 7.6]
end
if tcllib
st = find_library(tcllib, func, *paths)
else
st = versions.find { |ver|
find_library("#{lib}#{ver}", func, *paths) or
find_library("#{lib}#{ver.delete('.')}", func, *paths) or
find_library("#{lib}#{ver}g", func, *paths) or
find_library("#{lib}#{ver.delete('.')}g", func, *paths) or
find_library("tcl#{ver}", func, *paths) or
find_library("tcl#{ver.delete('.')}", func, *paths) or
find_library("tcl#{ver}g", func, *paths) or
find_library("tcl#{ver.delete('.')}g", func, *paths)
} || (!version && find_library(lib, func, *paths))
end
unless st
puts("Warning:: cannot find Tcl library. tcltklib will not be compiled (tcltklib is disabled on your Ruby == Ruby/Tk will not work). Please check configure options.")
end
st
end
def find_tk(tklib, stubs, version, *opt_paths)
default_paths = ["/usr/local/lib", "/usr/pkg/lib", "/usr/lib"]
default_paths << "/Tcl/lib" # default for ActiveTcl
if (paths = opt_paths.compact).empty?
paths = default_paths
end
if stubs
func = "Tk_InitStubs"
lib = "tkstub"
else
func = "Tk_Init"
lib = "tk"
end
if version && ! version.empty?
versions = [version]
else
versions = %w[8.6 8.5 8.4 8.3 8.2 8.1 8.0 4.2]
end
if tklib
st = find_library(tklib, func, *paths)
else
st = versions.find { |ver|
find_library("#{lib}#{ver}", func, *paths) or
find_library("#{lib}#{ver.delete('.')}", func, *paths) or
find_library("#{lib}#{ver}g", func, *paths) or
find_library("#{lib}#{ver.delete('.')}g", func, *paths) or
find_library("tk#{ver}", func, *paths) or
find_library("tk#{ver.delete('.')}", func, *paths) or
find_library("tk#{ver}g", func, *paths) or
find_library("tk#{ver.delete('.')}g", func, *paths)
} || (!version && find_library(lib, func, *paths))
end
unless st
puts("Warning:: cannot find Tk library. tcltklib will not be compiled (tcltklib is disabled on your Ruby == Ruby/Tk will not work). Please check configure options.")
end
st
end
def find_X11(*opt_paths)
default_paths =
[ "/usr/X11/lib", "/usr/lib/X11", "/usr/X11R6/lib", "/usr/openwin/lib" ]
paths = opt_paths.compact.concat(default_paths)
st = find_library("X11", "XOpenDisplay", *paths)
unless st
puts("Warning:: cannot find X11 library. tcltklib will not be compiled (tcltklib is disabled on your Ruby == Ruby/Tk will not work). Please check configure options. If your Tcl/Tk don't require X11, please try --without-X11.")
end
st
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 the Tcl/Tk library in your environment (are you perhaps
** cross-compiling?). If pthread support for these 2 packages is
** inconsistent you may find you get errors when running Ruby/Tk
** (e.g. hangs or segmentation faults). We strongly recommend
** you to check the consistency manually.
**
*****************************************************************************
')
return true
end
end
if tcl_enable_thread == nil
# tcl-thread is unknown
if try_run(<<EOF)
#include <tcl.h>
int main() {
Tcl_Interp *ip;
ip = Tcl_CreateInterp();
exit((Tcl_Eval(ip, "set tcl_platform(threaded)") == TCL_OK)? 0: 1);
}
EOF
tcl_enable_thread = true
elsif 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_NATIVETHREAD', '#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 library
** seems to be compiled without pthread support. Although you can
** create the tcltklib library, this combination may cause errors
** (e.g. hangs or segmentation faults). If you have no reason to
** keep the current pthread support status, we recommend you reconfigure
** and recompile the libraries so that both or neither support pthreads.
**
** 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/Tk 8.1).
**
*****************************************************************************
')
end
# ruby -> enable && tcl -> enable/disable
if tcl_enable_thread
$CPPFLAGS += ' -DWITH_TCL_ENABLE_THREAD=1'
else
$CPPFLAGS += ' -DWITH_TCL_ENABLE_THREAD=0'
end
return true
else
# ruby -> disable
if tcl_enable_thread
# ruby -> disable && tcl -> enable
puts(%Q'\
*****************************************************************************
**
** PTHREAD SUPPORT MODE ERROR:
**
** Ruby is not compiled with --enable-pthread, but your Tcl/Tk
** library seems to be compiled with pthread support. This
** combination may cause frequent hang or segmentation fault
** errors when Ruby/Tk is working. We recommend that you NEVER
** create the library with such a combination of pthread support.
**
** Please recompile Ruby with the "--enable-pthread" configure option
** or recompile Tcl/Tk with the "--disable-threads" configure option.
**
*****************************************************************************
')
$CPPFLAGS += ' -DWITH_TCL_ENABLE_THREAD=1'
return false
else
# ruby -> disable && tcl -> disable
$CPPFLAGS += ' -DWITH_TCL_ENABLE_THREAD=0'
return true
end
end
end
tclver, tkver = check_tcltk_version(tcltk_version)
if have_header("tcl.h") && have_header("tk.h") &&
( tcltk_framework ||
( ( !use_X || find_X11(x11_ldir2, x11_ldir) ) &&
find_tcl(tcllib, stubs, tclver, *tcl_ldir_list) &&
find_tk(tklib, stubs, tkver, *tk_ldir_list) ) )
$CPPFLAGS += ' -DUSE_TCL_STUBS -DUSE_TK_STUBS' if stubs
$CPPFLAGS += ' -D_WIN32' if /cygwin/ =~ RUBY_PLATFORM
if tcltk_framework
if tcl_framework_header
$CPPFLAGS += " -I#{tcl_framework_header}"
else
$CPPFLAGS += " -I#{tcltk_framework}/Tcl.framework/Headers"
end
if tk_framework_header
$CPPFLAGS += " -I#{tk_framework_header}"
else
$CPPFLAGS += " -I#{tcltk_framework}/Tk.framework/Headers"
end
$LDFLAGS += ' -framework Tk -framework Tcl'
end
if stubs or pthread_check
# create Makefile
# for SUPPORT_STATUS
$INSTALLFILES ||= []
$INSTALLFILES << ["lib/tkextlib/SUPPORT_STATUS", "$(RUBYLIBDIR)", "lib"]
have_func("rb_hash_lookup", "ruby.h")
# create
$defs << %[-DRUBY_VERSION=\\"#{RUBY_VERSION}\\"]
$defs << %[-DRUBY_RELEASE_DATE=\\"#{RUBY_RELEASE_DATE}\\"]
create_makefile("tcltklib")
end
end