[Buildroot] Problem Building QT5 in Buildroot in buildroot-2017.02.4

[Peter Seiderer <ps.report@gmx.net>]

Hello John,

On Tue, 26 Sep 2017 18:44:41 +0200, Peter Seiderer <ps.report@gmx.net> wrote:

> Hello John,
> 
> On Tue, 26 Sep 2017 16:19:08 +0000, John O'Sullivan <John.OSullivan@BlackBox.com> wrote:
> 
> > When I try and build QT5 in buildroot 2017.02.4 I get any error;
> > 
> > ERROR: Feature 'system-pcre' was enabled, but the pre-condition 'libs.pcre' failed.
> > 
> > 
> > Target packages                                                                                                                                                    ?
> >   ?       -> Libraries                                                                                                                                                        ?
> >   ?         -> Text and terminal handling
> > 
> > BR2_PACKAGE_PCRE and its available options have been selected
> > 
> > 
> > Any reason why I am getting this error  
> 
> Mind to share your defconfig? Will try to reproduce the failure...

And try 'make clean && make' (suspecting an incomplete build, pcre enabled/selected
and already build before enabling qt5 which selects additional PCRE_16 and PCRE_UTF
which has no effect without re-building the pcre package)...

Regards,
Peter

> 
> Regards,
> Peter
> 
> > 
> > 
> > ----------------------------
> > 
> > Full trace
> > 
> > --------------------------------
> > 
> > Running configuration tests...
> > Done running configuration tests.
> > 
> > Configure summary:
> > 
> > 
> > Building on:  x86_64
> > Building for: arm64
> > Configuration: cross_compile compile_examples enable_new_dtags largefile neon accessibility shared release c++11 c++14 c++1z concurrent mremap reduce_exports release_tools stl
> > Build options:
> >   Mode ................................... release; optimized tools
> >   Building shared libraries .............. yes
> >   Using C++ standard ..................... C++1z
> >   Using gold linker ...................... no
> >   Using new DTAGS ........................ yes
> >   Using precompiled headers .............. no
> >   Using LTCG ............................. no
> >   Target compiler supports:
> >     NEON ................................. yes
> >   Build parts ............................ libs
> > Qt modules and options:
> >   Qt Concurrent .......................... yes
> >   Qt D-Bus ............................... no
> >   Qt D-Bus directly linked to libdbus .... no
> >   Qt Gui ................................. yes
> >   Qt Widgets ............................. yes
> > Support enabled for:
> >   Accessibility .......................... yes
> >   Using pkg-config ....................... yes
> >   QML debugging .......................... yes
> >   udev ................................... no
> >   Using system zlib ...................... yes
> > Qt Core:
> >   DoubleConversion ....................... yes
> >     Using system DoubleConversion ........ no
> >   GLib ................................... no
> >   iconv .................................. no
> >   ICU .................................... no
> >   Logging backends:
> >     journald ............................. no
> >     syslog ............................... no
> >   Using system PCRE ...................... no
> > Qt Network:
> >   getaddrinfo() .......................... yes
> >   getifaddrs() ........................... yes
> >   IPv6 ifname ............................ yes
> >   libproxy ............................... no
> >   OpenSSL ................................ yes
> >     Qt directly linked to OpenSSL ........ no
> >   SCTP ................................... no
> >   Use system proxies ..................... yes
> > Qt Sql:
> >   DB2 (IBM) .............................. no
> >   InterBase .............................. no
> >   MySql .................................. no
> >   OCI (Oracle) ........................... no
> >   ODBC ................................... no
> >   PostgreSQL ............................. no
> >   SQLite2 ................................ no
> >   SQLite ................................. no
> >     Using system provided SQLite ......... no
> >   TDS (Sybase) ........................... no
> > Qt Gui:
> >   FreeType ............................... yes
> >     Using system FreeType ................ yes
> >   HarfBuzz ............................... yes
> >     Using system HarfBuzz ................ no
> >   Fontconfig ............................. no
> >   Image formats:
> >     GIF .................................. yes
> >     ICO .................................. yes
> >     JPEG ................................. yes
> >       Using system libjpeg ............... yes
> >     PNG .................................. yes
> >       Using system libpng ................ yes
> >   OpenGL:
> >     EGL .................................. no
> >     Desktop OpenGL ....................... no
> >     OpenGL ES 2.0 ........................ no
> >     OpenGL ES 3.0 ........................ no
> >     OpenGL ES 3.1 ........................ no
> >   Session Management ..................... yes
> > Features used by QPA backends:
> >   evdev .................................. yes
> >   libinput ............................... no
> >   mtdev .................................. no
> >   tslib .................................. no
> >   xkbcommon-evdev ........................ no
> > QPA backends:
> >   DirectFB ............................... yes
> >   EGLFS .................................. no
> >   LinuxFB ................................ no
> >   Mir client ............................. no
> > Qt Widgets:
> >   GTK+ ................................... no
> >   Styles ................................. Fusion Windows
> > Qt PrintSupport:
> >   CUPS ................................... no
> > 
> > Note: -optimized-tools is not useful in -release mode.
> > 
> > ERROR: Feature 'system-pcre' was enabled, but the pre-condition 'libs.pcre' failed.
> > 
> > 
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> > 
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