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bug#17294: Bug - nm_test_func check is confused with -flto


From: Martin Liška
Subject: bug#17294: Bug - nm_test_func check is confused with -flto
Date: Fri, 18 Apr 2014 15:01:51 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.3.0

Hello,
starting with GCC 4.9.0, compiler will use just slim objects files during LTO compilation. That means, no assembly output is put to object files. I noticed that libtool uses nm tools to extract symbol from object file: http://pastebin.com/RF1VubdR. Would it be possible to add -fno-lto for this check?

I think there should be added '-fno-lto' at line 14:
  (eval $ac_compile -fno-lto) 2>&5

What do you think about that?

Thank you,
Martin









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