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# extconf.rb : Configure script for Ruby/PGPLOT
#
# Copyright (c) 2000,2001 Masahiro TANAKA <masa@ir.isas.ac.jp>
#
# This program is free software.
# You can distribute/modify this program
# under the same terms as Ruby itself.
# NO WARRANTY.
#
# usage: ruby extconf.rb [configure options]
require "mkmf"
#$DEBUG = true
# configure options:
# --with-x11-dir=path
# --with-x11-include=path
# --with-x11-lib=path
dir_config("x11")
# configure options:
# --with-pgplot-dir=path
# --with-pgplot-include=path
# --with-pgplot-lib=path
dir_config("pgplot")
# Otherwise you can also specify:
# --with-opt-dir=path
# --with-opt-include=path
# --with-opt-lib=path
# Check PGPLOT Header
exit unless have_header("cpgplot.h")
# Check NArray
$CPPFLAGS = " -I#{CONFIG['vendorarchdir']} "+$CPPFLAGS
exit unless have_header("narray.h")
if RUBY_PLATFORM =~ /cygwin|mingw/
$LDFLAGS = " -L#{CONFIG['archdir']} "+$LDFLAGS
exit unless have_library("narray","na_make_object")
end
# Check FORTRAN Libraries
#
# SUN WorkShop FORTRAN 77 compiler ver5.0
# configure options: --with-sunws
if with_config("sunws")
$libs = "-lM77 -lsunmath "+$libs
exit unless find_library("F77", "f77_init", "/opt/SUNWspro/lib")
$defs.push "-DSPARC_FORTRAN"
#
# GNU FORTRAN v4
elsif have_library("gfortran")
$CFLAGS = "-Wall "+$CFLAGS
$defs.push "-DGNU_FORTRAN"
#
# GNU FORTRAN v3
elsif have_library("g77")
$CFLAGS = "-Wall "+$CFLAGS
$defs.push "-DGNU_FORTRAN"
else
puts "failed"
exit
end
# Check GrWin Library (for cygwin (and mingw32?))
# configure options: --with-grwin
if with_config("grwin")
#$LDFLAGS = "-Wl,--subsystem,console "+$LDFLAGS
if RUBY_PLATFORM =~ /cygwin|mingw/
$libs += " -mwindows"
end
exit unless have_library("GrWin", "GWinit")
end
#
# Check X11 Library
have_library("X11", "XOpenDisplay")
# Check PNG Library
libs_save = $libs
$libs = append_library($libs, "z")
if !have_library("png","png_create_write_struct")
$libs = libs_save
end
# Check PGPLOT Library
$libs = append_library($libs, "pgplot")
exit unless find_library( "cpgplot", "cpgbeg", "/usr/lib",
"/usr/local/lib", "/usr/local/pgplot" )
$objs = %w(rb_pgplot.o kwarg.o)
# Generate Makefile
create_makefile("pgplot")
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