C++ header files and crash issue

[Steve the Fiddle]

Running in gdb, I see this error on crash (full output attached):

---- Parsing FAILED ----
libclang: crash detected during parsing: {
  'source_filename' :
'/home/steve/Sourcecode/audacity/src/tracks/playabletrack/ui/PlayableTrackControls.cpp'
  'command_line_args' : ['clang', '-ferror-limit=100', '-fspell-checking',
'', '-Wunused-parameter', '-Wunreachable-code', '-Wall', '-std=c++11',
'-nostdinc', '-nostdinc++', '-xc++', '-isystem/usr/include/wx-3.0',
'-isystem/usr/include/c++/7',
'-isystem/usr/include/x86_64-linux-gnu/c++/7',
'-isystem/usr/include/c++/7/backward', '-isystem/usr/local/include',
'-isystem/usr/lib/gcc/x86_64-linux-gnu/7/include-fixed',
'-isystem/usr/include/x86_64-linux-gnu', '-isystem/usr/include',
'-I/home/steve/Sourcecode/audacity/lib-src/FileDialog',
'-I/home/steve/Sourcecode/audacity/lib-src/header-substitutes',
'-I/home/steve/Sourcecode/audacity/src/toolbars',
'-I/home/steve/Sourcecode/audacity/lib-src/lib-widget-extra',
'-I/home/steve/Sourcecode/audacity/src/blockfile',
'-I/home/steve/Sourcecode/audacity/src/effects',
'-I/home/steve/Sourcecode/audacity/scripts',
'-I/home/steve/Sourcecode/audacity/src/export',
'-I/home/steve/Sourcecode/audacity/src/menus',
'-I/home/steve/Sourcecode/audacity/src/import',
'-I/home/steve/Sourcecode/audacity/lib-src',
'-I/home/steve/Sourcecode/audacity/src/ondemand',
'-I/home/steve/Sourcecode/audacity/src/prefs',
'-I/home/steve/Sourcecode/audacity/src/tracks',
'-I/home/steve/Sourcecode/audacity/nyquist',
'-I/home/steve/Sourcecode/audacity/src/widgets',
'-I/home/steve/Sourcecode/audacity/src/xml',
'-I/home/steve/Sourcecode/audacity/src',
'-I/home/steve/Sourcecode/audacity',
'-I/home/steve/Sourcecode/audacity/include',
'-I/home/steve/Sourcecode/audacity/linux',
'-I/home/steve/Sourcecode/audacity/src/commands',
'-I/home/steve/Sourcecode/audacity/locale',
'-I/home/steve/Sourcecode/audacity/m4',
'-I/home/steve/Sourcecode/audacity/plug-ins',
'-I/home/steve/Sourcecode/audacity/autotools',
'-I/home/steve/Sourcecode/audacity/include/audacity', '-isystem',
'/tmp/.mount_KDevelwWsGsf/opt/llvm/lib/clang/6.0.1/include', '-imacros',
'/tmp/kdevelop.rw3810'],
  'unsaved_files' : [],
  'options' : 781,
}
/tmp/.mount_KDevelwWsGsf/AppRun: line 36:  3810 Segmentation fault
 (core dumped) kdevelop $@
[Inferior 1 (process 3798) exited with code 0213]

(See also attachment)
Steve

On Sat, 6 Jul 2019 at 09:50, René J.V. Bertin <rjvbertin at gmail.com> wrote:

> On Friday July 05 2019 17:53:36 Steve the Fiddle wrote:
>
> >Attempting to use kDevelop with the Audacity source code (
> >https://github.com/audacity/audacity) on Xubuntu 18.04 (and 16.04).
>
> I dabble with that too, and have been wondering if I shouldn't point
> KDevelop to the CMake file that is now included with Audacity.
>
> Let me guess, the consistent crash occurs in libclang, and usually doesn't
> allow DrKonqi to obtain a backtrace? That's something that's been happening
> more and more for me (and which seems to be related to interference from
> libclang's own internal crash handling). The only way I found around that
> is to launch kdevelop through a debugger (or attach one when kdevelop is
> just about to start loading/parsing the trouble project; that's usually
> faster).
>
> Not that you can do much with a backtrace that confirms an issue in
> libclang; KDevelop would have to start using an external parser process in
> order to prevent crashing itself when libclang goes down. Qt Creator does
> that; does it also crash on Audacity for you?
>
> R.
>
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Starting program: /home/steve/Sourcecode/KDevelop.AppImage 
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
process 3798 is executing new program: /bin/bash
kdevplatform.util: Path::init: invalid/unsupported Path encountered:  http://clang-tidy
Connecting to deprecated signal QDBusConnectionInterface::serviceOwnerChanged(QString,QString,QString)
kf5.kservice.sycoca: Parse error in  "/home/steve/.config/menus/applications-merged/xdg-desktop-menu-dummy.menu" , line  1 , col  1 :  "unexpected end of file"
kf5.kservice.sycoca: Parse error in  "/home/steve/.config/menus/applications-merged/xdg-desktop-menu-dummy.menu" , line  1 , col  1 :  "unexpected end of file"
kf5.kservice.sycoca: The menu spec file contains a Layout or DefaultLayout tag without the mandatory Merge tag inside. Please fix your file.
created new snippet repo "/home/steve/.local/share/ktexteditor_snippets/data/Wx.xml" SnippetRepository(0x6a87d0)
created new snippet repo "/home/steve/.local/share/ktexteditor_snippets/ghns/C++ 11 Basic Completion-0.2.xml" SnippetRepository(0x119a1b0)
created new snippet repo "/home/steve/.local/share/ktexteditor_snippets/ghns/C++ Snippets-0.6.xml" SnippetRepository(0x105dc80)
kdevplatform.shell: Broken text-document:  QUrl("file:///tmp/kdevelop_T26081.patch")
kdevplatform.shell: Broken text-document:  QUrl("file:///home/steve/Sourcecode/audacity/plug-ins/crossfadetracks.ny")
kdevelop.plugins.python.duchain:  [ !!! ] did not get a typetrack container object when expecting one! Fix code / setup.
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kdevelop.plugins.python.duchain:  [ !!! ] did not get a typetrack container object when expecting one! Fix code / setup.
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kdevelop.plugins.python.duchain:  [ !!! ] did not get a typetrack container object when expecting one! Fix code / setup.
kdevelop.plugins.python.duchain:  [ !!! ] did not get a typetrack container object when expecting one! Fix code / setup.
kdevelop.plugins.python.duchain:  [ !!! ] did not get a typetrack container object when expecting one! Fix code / setup.
kdevelop.plugins.python.duchain:  [ !!! ] did not get a typetrack container object when expecting one! Fix code / setup.
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kdevelop.plugins.python.duchain:  [ !!! ] did not get a typetrack container object when expecting one! Fix code / setup.
kdevelop.plugins.python.duchain:  [ !!! ] did not get a typetrack container object when expecting one! Fix code / setup.
kdevelop.plugins.python.duchain:  [ !!! ] did not get a typetrack container object when expecting one! Fix code / setup.
kdevelop.plugins.python.duchain:  [ !!! ] did not get a typetrack container object when expecting one! Fix code / setup.
kdevelop.plugins.python.duchain: tuple type object is not available
kdevelop.plugins.python.duchain: tuple type object is not available
kdevelop.plugins.python.duchain: tuple type object is not available
kdevelop.plugins.python.duchain: tuple type object is not available
kdevplatform.util: Path::init: invalid/unsupported Path encountered:  http://clang-tidy
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
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kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevastyle" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevcustomscript" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevcustomscript" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevcustomscript" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevcustomscript" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevcustomscript" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevcustomscript" supports unknown mimetype entry "text/x-objchdr"
kdevplatform.shell: formatter plugin "kdevcustomscript" supports unknown mimetype entry "text/x-objc++src"
kdevplatform.shell: formatter plugin "kdevcustomscript" supports unknown mimetype entry "text/x-objchdr"
/bin/sh: 1: indent: not found
kdevelop.plugins.customscript: indent returned empty text for style "GNU_indent_GNU" "indent"
/bin/sh: 1: indent: not found
kdevelop.plugins.customscript: indent returned empty text for style "GNU_indent_GNU" "indent"
kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevplatform.shell: Broken text-document:  QUrl("file:///tmp/kdevelop_T26081.patch")
kdevplatform.shell: Broken text-document:  QUrl("file:///home/steve/Sourcecode/audacity/plug-ins/crossfadetracks.ny")
kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevplatform.language: invalid item for index 56 0 0
kdevplatform.language: invalid item for index 56 0 0
kdevplatform.language: invalid item for index 56 0 0
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
kdevplatform.language: invalid item for index 56 0 0
kdevplatform.language: invalid item for index 56 0 0
kdevplatform.language: invalid item for index 56 0 0
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.definesandincludes: error while fetching includes for the compiler: "gcc" "Using built-in specs.\nCOLLECT_GCC=gcc\nOFFLOAD_TARGET_NAMES=nvptx-none\nOFFLOAD_TARGET_DEFAULT=1\ngcc: error: unrecognized command line option \xE2\x80\x98-std=CL1.1\xE2\x80\x99; did you mean \xE2\x80\x98-std=c11\xE2\x80\x99?\nTarget: x86_64-linux-gnu\nConfigured with: ../src/configure -v --with-pkgversion='Ubuntu 7.4.0-1ubuntu1~18.04.1' --with-bugurl=file:///usr/share/doc/gcc-7/README.Bugs --enable-languages=c,ada,c++,go,brig,d,fortran,objc,obj-c++ --prefix=/usr --with-gcc-major-version-only --program-suffix=-7 --program-prefix=x86_64-linux-gnu- --enable-shared --enable-linker-build-id --libexecdir=/usr/lib --without-included-gettext --enable-threads=posix --libdir=/usr/lib --enable-nls --with-sysroot=/ --enable-clocale=gnu --enable-libstdcxx-debug --enable-libstdcxx-time=yes --with-default-libstdcxx-abi=new --enable-gnu-unique-object --disable-vtable-verify --enable-libmpx --enable-plugin --enable-default-pie --with-system-zlib --with-target-system-zlib --enable-objc-gc=auto --enable-multiarch --disable-werror --with-arch-32=i686 --with-abi=m64 --with-multilib-list=m32,m64,mx32 --enable-multilib --with-tune=generic --enable-offload-targets=nvptx-none --without-cuda-driver --enable-checking=release --build=x86_64-linux-gnu --host=x86_64-linux-gnu --target=x86_64-linux-gnu\nThread model: posix\ngcc version 7.4.0 (Ubuntu 7.4.0-1ubuntu1~18.04.1) \n"
kdevelop.plugins.definesandincludes: error while fetching defines for the compiler: "gcc" "gcc: error: unrecognized command line option \xE2\x80\x98-std=CL1.1\xE2\x80\x99; did you mean \xE2\x80\x98-std=c11\xE2\x80\x99?\n"
kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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kdevelop.plugins.python.parser: Discarding parts of the code to be parsed because of previous errors
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libclang: crash detected during parsing: {
  'source_filename' : '/home/steve/Sourcecode/audacity/src/tracks/playabletrack/ui/PlayableTrackControls.cpp'
  'command_line_args' : ['clang', '-ferror-limit=100', '-fspell-checking', '', '-Wunused-parameter', '-Wunreachable-code', '-Wall', '-std=c++11', '-nostdinc', '-nostdinc++', '-xc++', '-isystem/usr/include/wx-3.0', '-isystem/usr/include/c++/7', '-isystem/usr/include/x86_64-linux-gnu/c++/7', '-isystem/usr/include/c++/7/backward', '-isystem/usr/local/include', '-isystem/usr/lib/gcc/x86_64-linux-gnu/7/include-fixed', '-isystem/usr/include/x86_64-linux-gnu', '-isystem/usr/include', '-I/home/steve/Sourcecode/audacity/lib-src/FileDialog', '-I/home/steve/Sourcecode/audacity/lib-src/header-substitutes', '-I/home/steve/Sourcecode/audacity/src/toolbars', '-I/home/steve/Sourcecode/audacity/lib-src/lib-widget-extra', '-I/home/steve/Sourcecode/audacity/src/blockfile', '-I/home/steve/Sourcecode/audacity/src/effects', '-I/home/steve/Sourcecode/audacity/scripts', '-I/home/steve/Sourcecode/audacity/src/export', '-I/home/steve/Sourcecode/audacity/src/menus', '-I/home/steve/Sourcecode/audacity/src/import', '-I/home/steve/Sourcecode/audacity/lib-src', '-I/home/steve/Sourcecode/audacity/src/ondemand', '-I/home/steve/Sourcecode/audacity/src/prefs', '-I/home/steve/Sourcecode/audacity/src/tracks', '-I/home/steve/Sourcecode/audacity/nyquist', '-I/home/steve/Sourcecode/audacity/src/widgets', '-I/home/steve/Sourcecode/audacity/src/xml', '-I/home/steve/Sourcecode/audacity/src', '-I/home/steve/Sourcecode/audacity', '-I/home/steve/Sourcecode/audacity/include', '-I/home/steve/Sourcecode/audacity/linux', '-I/home/steve/Sourcecode/audacity/src/commands', '-I/home/steve/Sourcecode/audacity/locale', '-I/home/steve/Sourcecode/audacity/m4', '-I/home/steve/Sourcecode/audacity/plug-ins', '-I/home/steve/Sourcecode/audacity/autotools', '-I/home/steve/Sourcecode/audacity/include/audacity', '-isystem', '/tmp/.mount_KDevelwWsGsf/opt/llvm/lib/clang/6.0.1/include', '-imacros', '/tmp/kdevelop.rw3810'],
  'unsaved_files' : [],
  'options' : 781,
}
/tmp/.mount_KDevelwWsGsf/AppRun: line 36:  3810 Segmentation fault      (core dumped) kdevelop $@
[Inferior 1 (process 3798) exited with code 0213]