Re: [blfs-book] [BLFS Trac] #7915: openjade segfaults when built with gcc-6.1

[BLFS Trac via blfs-book]

#7915: openjade segfaults when built with gcc-6.1
+-
 Reporter:  ken@…   |   Owner:  ken@…
 Type:  defect  |  Status:  closed
 Priority:  normal  |   Milestone:  7.10
Component:  BOOK| Version:  SVN
 Severity:  normal  |  Resolution:  fixed
 Keywords:  |
+-
Changes (by ken@…):

 * status:  assigned => closed
 * resolution:   => fixed


Comment:

 Fixed at r17453.

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Re: [blfs-book] [BLFS Trac] #7915: openjade segfaults when built with gcc-6.1

[BLFS Trac via blfs-book]

#7915: openjade segfaults when built with gcc-6.1
+---
 Reporter:  ken@…   |   Owner:  ken@…
 Type:  defect  |  Status:  assigned
 Priority:  normal  |   Milestone:  7.10
Component:  BOOK| Version:  SVN
 Severity:  normal  |  Resolution:
 Keywords:  |
+---
Changes (by ken@…):

 * owner:  blfs-book@… => ken@…
 * status:  new => assigned


Comment:

 And then I finally got around to looking at fedora - their most recent
 change was

 {{{
 -export CXXFLAGS="%optflags -fno-tree-dse"
 +export CXXFLAGS="%optflags -fno-lifetime-dse"
 }}}

 Not sure why neither worked for me, perhaps the export is critical (/me
 tests) - yes, it is.

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Re: [blfs-book] [BLFS Trac] #7915: openjade segfaults when built with gcc-6.1

[BLFS Trac via blfs-book]

#7915: openjade segfaults when built with gcc-6.1
+--
 Reporter:  ken@…   |   Owner:  blfs-book@…
 Type:  defect  |  Status:  new
 Priority:  normal  |   Milestone:  7.10
Component:  BOOK| Version:  SVN
 Severity:  normal  |  Resolution:
 Keywords:  |
+--

Comment (by ken@…):

 Thanks for the suggestion, but neither variant, nor -O0, fixes openjade
 for me. I'll take a look in more detail later, it is possible that
 CXXFLAGS are not automatically picked up.

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Re: [blfs-book] [BLFS Trac] #7915: openjade segfaults when built with gcc-6.1

[BLFS Trac via blfs-book]

#7915: openjade segfaults when built with gcc-6.1
+--
 Reporter:  ken@…   |   Owner:  blfs-book@…
 Type:  defect  |  Status:  new
 Priority:  normal  |   Milestone:  7.10
Component:  BOOK| Version:  SVN
 Severity:  normal  |  Resolution:
 Keywords:  |
+--

Comment (by dj@…):

 If I'm reading that right, looks like -fno-lifetime-dse is a bit less
 agressive. https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69534  Possibly
 useful for startup crash on firefox too.

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Re: [blfs-book] [BLFS Trac] #7915: openjade segfaults when built with gcc-6.1

[BLFS Trac via blfs-book]

#7915: openjade segfaults when built with gcc-6.1
+--
 Reporter:  ken@…   |   Owner:  blfs-book@…
 Type:  defect  |  Status:  new
 Priority:  normal  |   Milestone:  7.10
Component:  BOOK| Version:  SVN
 Severity:  normal  |  Resolution:
 Keywords:  |
+--

Comment (by ken@…):

 Taking a look while I'm waiting: it was flagged up at gcc earlier this
 year, but without resolution other than noting that -O0 worked. But at
 https://www.mail-archive.com/openembedded-
 c...@lists.openembedded.org/msg80678.html there is an apparent fix by
 adding CXXFLAGS += "-fno-tree-dse" to their recipe.

 For us, if it works, I suppose that means CXXFLAGS="$CXXFLAGS -fno-tree-
 dse".

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