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  1. Funtoo Linux
  2. FL-5816

GCC 7.3.1-r5 fails on -march=skylake

Details

    • Bug
    • Status: Closed
    • Normal
    • Resolution: Fixed
    • None
    • None

    Description

      Two computers of mine fail to compile gcc-7.3.1-r5 with -march=skylake.

      Processors affected:

      • Intel(R) Xeon(R) CPU E3-1535M v5 @ 2.90GHz
      • Intel(R) Xeon(R) CPU E3-1240 v5 @ 3.50GHz

      epro subarch isĀ  intel64-skylake

      make.conf has CFLAGS manually set to:

      CFLAGS="-march=skylake -O2 -pipe"

      I am not sure if this is a bug as Gentoo Safe CFLAGS says march should possibly better set to "native".

      Previously building gcc-7.3.1-r3 succeded with the above settings.

      Attachments

        1. build.log.gz
          68 kB
        2. cpu-info.txt
          0.4 kB
        3. emerge-info.txt
          10 kB
        4. emerge-pqv.txt
          0.9 kB
        5. gcc7-skylake.patch
          0.7 kB

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            Dates

              Created:
              Updated:
              Resolved: