ruby/extconf.rb now builds all sigar srcs

bindings/ruby/.gitignore

@@ -0,0 +1,19 @@
+Makefile
+rbsigar_generated.rx
+mkmf.log
+*.o
+*.so
+*.bundle
+*.obj
+*.def
+*.exp
+*.lib
+*.pdb
+*.
+*_sigar.c
+sigar.c
+sigar_*.c
+get_mib2.c
+kstats.c
+procfs.c
+peb.c

bindings/ruby/extconf.rb

@@ -1,16 +1,77 @@
 require 'mkmf'
+require 'ftools'
 
 extension_name = 'rbsigar'
 
-installdir = '../java/sigar-bin'
-#XXX hardwired for the moment
-libname = 'sigar-universal-macosx'
+print 'Ruby platform=' + RUBY_PLATFORM + "\n"
 
-$CPPFLAGS += ' -I' + installdir + '/include'
-$LOCAL_LIBS += '-L' + installdir + '/lib -l' + libname
+case RUBY_PLATFORM
+when /darwin/
+  os = 'darwin'
+  sdks = Dir.glob('/Developer/SDKs/MacOSX10.*.sdk').sort.reverse
+  if sdks.length == 0
+    print "Xcode Developer Tools not installed\n"
+    print "Download from http://developer.apple.com/technology/xcode.html\n"
+    exit 1
+  else
+    print "Available SDKs...\n(*) " + sdks.join("\n    ") + "\n"
+    sdk = sdks[0]
+  end
+  if File.file?("/usr/include/libproc.h")
+    $CPPFLAGS += ' -DDARWIN_HAS_LIBPROC_H'
+  end
+  $CPPFLAGS += ' -DDARWIN -I/Developer/Headers/FlatCarbon -isysroot ' + sdk
+  $LDFLAGS += ' -Wl,-syslibroot,' + sdk + ' -framework CoreServices -framework IOKit'
+when /bsd/
+  os = 'darwin'
+  have_library("kvm")
+when /mswin32|mingw|cygwin|bccwin32/
+  os = 'win32'
+  $CPPFLAGS += ' -DWIN32'
+  is_win32 = true
+  have_library("kernel32")
+  have_library("user32")
+  have_library("advapi32")
+  have_library("ws2_32")
+  have_library("netapi32")
+  have_library("shell32")
+  have_library("pdh")
+  have_library("version")
+when /linux/
+  os = 'linux'
+when /solaris|sun/
+  os = 'solaris'
+  have_library("nsl")
+  have_library("socket")
+  have_library("kstat")
+when /hpux/
+  os = 'hpux'
+when /aix/
+  os = 'aix'
+else
+  os = RUBY_PLATFORM
+end
 
-dir_config(extension_name)
+osdir = "../../src/os/#{os}"
+$CPPFLAGS += ' -I../../include' + ' -I' + osdir
+$CPPFLAGS += ' -U_FILE_OFFSET_BITS' unless is_win32
 
 system('perl -Mlib=.. -MSigarWrapper -e generate Ruby .')
 
+$distcleanfiles = ['rbsigar_generated.rx']
+#XXX seems mkmf forces basename on srcs
+#XXX should be linking against libsigar anyhow
+Dir["../../src/*.c","#{osdir}/*.c"].each do |file|
+  cf = File.basename(file)
+  print file + ' -> ' + cf + "\n"
+  if is_win32
+    File.copy(file, cf)
+  else
+    File.symlink(file, cf) unless File.file?(cf)
+  end
+  $distcleanfiles.push(cf)
+end
+
+dir_config(extension_name)
+
 create_makefile(extension_name)