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fiddle: modversion may be unavailable

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* ext/fiddle/extconf.rb: modversion may be unavailable.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48916 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2014-12-21 08:12:18 +00:00
parent 0c8b964ef7
commit 80036df9e3
1 changed files with 17 additions and 17 deletions
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8
ext/fiddle/extconf.rb
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@ -19,7 +19,10 @@ begin
ver = Dir.glob("#{$srcdir}/libffi-*/")
.map {|n| File.basename(n)}
.max_by {|n| n.scan(/\d+/).map(&:to_i)}
if ver
unless ver
raise "missing libffi. Please install libffi."
end
libffi = Struct.new(:dir, :srcdir, :builddir, :include, :lib, :a, :cflags).new
libffi.dir = ver
if $srcdir == "."
@ -35,14 +38,11 @@ begin
libffi.cflags = RbConfig.expand("$(CFLAGS)", CONFIG.merge("warnflags"=>""))
ver = ver[/libffi-(.*)/, 1]
end
end
if ver
ver = ver.gsub(/-rc\d+/, '') # If ver contains rc version, just ignored.
ver = (ver.split('.') + [0,0])[0,3]
$defs.push(%{-DRUBY_LIBFFI_MODVERSION=#{ '%d%03d%03d' % ver }})
else
raise "missing libffi. Please install libffi."
end
have_header 'sys/mman.h'