From: Masahiro TANAKA Date: Tue, 5 Mar 2013 18:46:58 +0900 Subject: extconf.rb: * need to check extra-libs before auto-build. * need to define $found_lib. * define methods to make program structure clear. * merge extconf-auto.rb. --- ext/extconf.rb | 280 +++++++++++++++++++++++++++++++++++---------------------- 1 file changed, 171 insertions(+), 109 deletions(-) diff --git a/ext/extconf.rb b/ext/extconf.rb index 48d1c1b..02a1672 100644 --- a/ext/extconf.rb +++ b/ext/extconf.rb @@ -1,30 +1,67 @@ -# extconf.rb : Configure script for Ruby/PGPLOT -# -# Copyright (c) 2000,2001 Masahiro TANAKA -# -# This program is free software. -# You can distribute/modify this program -# under the same terms as Ruby itself. -# NO WARRANTY. -# -# usage: ruby extconf.rb [configure options] - -# Narray is now Gem based, so require rubygems -# so that we can use Gem class to find narray. require "mkmf" -#$DEBUG = true +def main + extconf_start + check_narray -# configure options: -# --with-pgplot-dir=path -# --with-pgplot-include=path -# --with-pgplot-lib=path -dir_config("pgplot") + $objs = %w(rb_pgplot.o kwarg.o) + $enable_autobuild = enable_config('autobuild', false) + $found_lib = [] + + # Check PGPLOT Header + if have_header("cpgplot.h") + if have_library("cpgplot","cpgbeg") + create_makefile("pgplot") + exit + end + + # Check for extra libs then re-check for PGPLOT library + puts "First check for PGPLOT library failed." + check_extra_libs + $libs = append_library($libs, "pgplot") + + if have_library("cpgplot","cpgbeg") + create_makefile("pgplot") + exit + end + elsif $enable_autobuild + check_extra_libs + end + + if $enable_autobuild + autobuild_pgplot + else + puts " +The PGPLOT library was not found. To auto-build PGPLOT library +as part of installing Ruby/PGPLOT, pass the --enable-autobuild option. + +Examples: + Gem install: gem install pgplot -- --enable-autobuild + Manual install: ruby extconf.rb --enable-autobuild +" + end +end + + +def extconf_start + # configure options: + # --with-pgplot-dir=path + # --with-pgplot-include=path + # --with-pgplot-lib=path + dir_config("pgplot") + + # configure options: + # --with-x11-dir=path + # --with-x11-include=path + # --with-x11-lib=path + dir_config("x11") + + # Otherwise you can also specify: + # --with-opt-dir=path + # --with-opt-include=path + # --with-opt-lib=path +end -# Otherwise you can also specify: -# --with-opt-dir=path -# --with-opt-include=path -# --with-opt-lib=path def find_dir_w_file(d,h) g = Dir.glob(RbConfig.expand(d+"/"+h)) @@ -42,107 +79,132 @@ def find_dir_in_gemspec nil end -# Check NArray -gems_dir="$(rubylibprefix)/gems/$(ruby_version)/gems/" -narray_d="narray-0.[56].*" -narray_h="narray.h" -if narray_h_dir = - find_dir_in_gemspec || - find_dir_w_file("../"+narray_d,narray_h) || - find_dir_w_file(gems_dir+narray_d,narray_h) || - find_dir_w_file(CONFIG['vendorarchdir'],narray_h) || - find_dir_w_file(CONFIG['sitearchdir'],narray_h) || - find_dir_w_file(CONFIG['archdir'],narray_h) - $CPPFLAGS = " -I#{narray_h_dir} " + $CPPFLAGS -end -exit unless have_header("narray.h") -if RUBY_PLATFORM =~ /cygwin|mingw/ - $LDFLAGS = " -L#{CONFIG['sitearchdir']} "+$LDFLAGS - exit unless have_library("narray","na_make_object") -end +def check_narray + gems_dir="$(rubylibprefix)/gems/$(ruby_version)/gems/" + narray_d="narray-0.[56].*" + narray_h="narray.h" + if narray_h_dir = + find_dir_in_gemspec || + find_dir_w_file("../"+narray_d,narray_h) || + find_dir_w_file(gems_dir+narray_d,narray_h) || + find_dir_w_file(CONFIG['vendorarchdir'],narray_h) || + find_dir_w_file(CONFIG['sitearchdir'],narray_h) || + find_dir_w_file(CONFIG['archdir'],narray_h) + $CPPFLAGS = " -I#{narray_h_dir} " + $CPPFLAGS + end + exit unless have_header("narray.h") -$have_pgplot = false + if RUBY_PLATFORM =~ /cygwin|mingw/ + $LDFLAGS = " -L#{CONFIG['sitearchdir']} "+$LDFLAGS + exit unless have_library("narray","na_make_object") + end +end -# Check PGPLOT Header -if have_header("cpgplot.h") - # Check PGPLOT Library without extra libs - if find_library("cpgplot","cpgbeg", "/usr/lib", - "/usr/local/lib", "/usr/local/pgplot" ) - $have_pgplot = true +def check_extra_libs + # 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 - # Check for extra libs then re-check for PGPLOT library - puts "First check for PGPLOT library failed," - puts "checking for auxiliary libraries and retrying." - - # 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 - $defs.push "-DGNU_FORTRAN" - else - puts "failed" - exit - end + puts "failed" + exit + end - # Check GrWin Library (for cygwin (and mingw32?)) - # configure options: --with-grwin - if with_config("grwin") - #$LDFLAGS = "-Wl,--subsystem,console "+$LDFLAGS - if RUBY_PLATFORM =~ /cygwin|mingw/ - $libs += " -mwindows" - end - exit unless have_library("GrWin", "GWinit") + # Check GrWin Library (for cygwin (and mingw32?)) + # configure options: --with-grwin + if with_config("grwin") + #$LDFLAGS = "-Wl,--subsystem,console "+$LDFLAGS + if RUBY_PLATFORM =~ /cygwin|mingw/ + $libs += " -mwindows" end + exit unless have_library("GrWin", "GWinit") + end + + # Check X11 Library + if have_library("X11", "XOpenDisplay") + $found_lib << 'X11' + end - $found_lib = [] + # Check PNG Library + libs_save = $libs + $libs = append_library($libs, "z") + if have_library("png","png_create_write_struct") + $found_lib << 'png' + else + $libs = libs_save + end +end - # configure options: - # --with-x11-dir=path - # --with-x11-include=path - # --with-x11-lib=path - dir_config("x11") - # Check X11 Library - if have_library("X11", "XOpenDisplay") - $found_lib << 'X11' - end +def autobuild_pgplot + # Exit unless a fortran compiler was found + exit unless %w[gfortran g77].any?{|cmd| system("which #{cmd}")} + puts "enabling auto-build PGPLOT Library..." - # Check PNG Library - libs_save = $libs - $libs = append_library($libs, "z") - if have_library("png","png_create_write_struct") - $found_lib << 'png' - else - $libs = libs_save - end + $subdir = 'build_lib' + $CFLAGS = "-I#{$subdir}/build "+$CFLAGS + $LDFLAGS = "-L#{$subdir}/build "+$LDFLAGS + $libs = append_library($libs, "cpgplot") + $defs.push '-DPGPLOT_DIR=\\"$(PGPLOT_DIR)\\"' - $libs = append_library($libs, "pgplot") + # Generate Makefile + create_makefile("pgplot") - if find_library("cpgplot","cpgbeg", "/usr/lib", - "/usr/local/lib", "/usr/local/pgplot" ) - $have_pgplot = true + # Append PGPLOT install task to Makefile + exit unless $makefile_created + puts "appending extra install tasks to Makefile" + File.open("Makefile","a") do |w| + w.print " +PGPLOT_DIR = $(RUBYARCHDIR)/pgplot +PGPLOT_BUILD = #{$subdir}/build + +$(PGPLOT_BUILD)/libcpgplot.a: + (cd #{$subdir}; make build/libcpgplot.a) +$(PGPLOT_BUILD)/cpgplot.h: $(PGPLOT_BUILD)/libcpgplot.a +rb_pgplot.o: $(PGPLOT_BUILD)/cpgplot.h +$(DLLIB): $(PGPLOT_BUILD)/libcpgplot.a + +install: install-pgplot +install-pgplot: + $(MAKEDIRS) $(PGPLOT_DIR) + $(INSTALL_DATA) $(PGPLOT_BUILD)/grfont.dat $(PGPLOT_DIR) + $(INSTALL_DATA) $(PGPLOT_BUILD)/rgb.txt $(PGPLOT_DIR) +" + if $found_lib.include? "X11" + w.print \ +" $(INSTALL_PROG) $(PGPLOT_BUILD)/pgxwin_server $(PGPLOT_DIR) + +$(PGPLOT_BUILD)/pgxwin_server: $(PGPLOT_BUILD)/cpgplot.h + (cd #{$subdir}; make build/pgxwin_server) +$(DLLIB): $(PGPLOT_BUILD)/pgxwin_server +" end end -end -$objs = %w(rb_pgplot.o kwarg.o) + puts "creating #{$subdir}/drivers.conf" + File.open("#{$subdir}/drivers.conf","w") do |w| + w.puts "GIDRIV PPDRIV PSDRIV" + w.puts "PNDRIV" if $found_lib.include? "png" + w.puts "WDDRIV XWDRIV" if $found_lib.include? "X11" + end -if $have_pgplot - # Generate Makefile - create_makefile("pgplot") + puts "Ready to download and auto-build PGPLOT !!" end + +main