bdb/ext/extconf.rb

67 lines
2 KiB
Ruby
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2008-12-28 03:12:49 +01:00
#!/usr/bin/env ruby
require 'mkmf'
# This list is checked in reverse order, so this order allows mkmf on my Mac
# to find BDB installed via Homebrew (/usr/local) before system installs
%w[/usr / /usr/local /usr/local/db* /usr/local/BerkeleyDB*].each do |pdir|
Dir[pdir].each do |dir|
dir_config('db', "#{dir}/include", "#{dir}/lib")
end
end
# MacPorts installs the directories "inside-out" compared to the structure expected above
macports_db_versions = Dir["/opt/local/include/db*"].map { |dir| /\d\d$/.match(dir)[0] }
macports_db_versions.each do |version|
dir_config('db', "/opt/local/include/db#{version}", "/opt/local/lib/db#{version}")
end
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%w(db-5.1 db-5.0 db-4.9 db-4.8 db-4.7 db-4.6 db-4.5 db-4.4 db-4.3 db-4.2).each do |ver|
have_library ver, 'db_version', 'db.h'
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end
def create_header
if File.exist?("bdb_aux._c")
message("Not writing bdb_aux._c (defines), already exists\n")
return
end
message("Writing bdb_aux._c (defines), this takes a while\n")
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db_header = $CPPFLAGS.split.select { |f| f =~ /^-I/ }.map { |e|
f = File.join(e[2..-1], 'db.h')
File.exists?(f) ? f : nil
}.select { |e| e }.first
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n=0
defines=[]
File.open(db_header) {|fd|
File.open("bdb_aux._c","w") {|hd|
hd.puts("/* This file automatically generated by extconf.rb */\n")
fd.each_line {|l|
if l =~ %r{^#define\s+(DBC?_\w*)\s+([^\/]*)\s*(.*?)(\/\*.*)?$}
name = $1
value = $2
if macro_defined?(name,"#include <db.h>")
case value
when /^"/
hd.print(%Q{cs(mBdb,%s);\n}%[name])
when /^\(?(0x|\d)/
hd.print(%Q{cu(mBdb,%s);\n}%[name])
when /^\(?-/
hd.print(%Q{ci(mBdb,%s);\n}%[name])
else
$stderr.puts "don't know how to handle #{name} #{value.strip}, guessing UINT"
hd.print(%Q{cu(mBdb,%s);\n}%[name])
end
n+=1
end
end
}
}
message("\nwrote #{n} defines\n")
}
end
create_header
create_makefile('bdb')