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-rw-r--r--ext/dl/extconf.rb13
1 files changed, 13 insertions, 0 deletions
diff --git a/ext/dl/extconf.rb b/ext/dl/extconf.rb
index 6d4d6c5d517..4ef46f85fb1 100644
--- a/ext/dl/extconf.rb
+++ b/ext/dl/extconf.rb
@@ -25,6 +25,19 @@ else
end
if check
+ config = File.read(RbConfig.expand(File.join($arch_hdrdir, "ruby/config.h")))
+ types = {"SIZE_T"=>"SSIZE_T", "PTRDIFF_T"=>nil, "INTPTR_T"=>nil}
+ types.each do |type, signed|
+ if /^\#define\s+SIZEOF_#{type}\s+(SIZEOF_(.+)|\d+)/ =~ config
+ if size = $2 and size != 'VOIDP'
+ size = types.fetch(size) {size}
+ $defs << format("-DDLTYPE_%s=DLTYPE_%s", signed||type, size)
+ end
+ if signed
+ check_signedness(type.downcase, "stddef.h")
+ end
+ end
+ end
$defs << %[-DRUBY_VERSION=\\"#{RUBY_VERSION}\\"]
create_makefile("dl")
end