[Buildroot] raspberrypi3_qt5we_defconfig fails to build qt5webengine
Peter Seiderer
ps.report at gmx.net
Sun Dec 9 22:17:07 UTC 2018
Hello Thomas,
On Sun, 9 Dec 2018 16:53:28 +0100, Thomas Petazzoni <thomas.petazzoni at bootlin.com> wrote:
> Hello Peter and Gaël,
>
> According to
> https://gitlab.com/buildroot.org/buildroot/-/jobs/131217091, the
> raspberrypi3_qt5we_defconfig fails to build qt5webengine:
>
> [...]
> Qt WebEngine on Linux requires clang or GCC.
> QtWebEngine will not be built.
> [...]
> >>> qt5webengine 5.11.2 Installing to target
> cp -dpf /builds/buildroot.org/buildroot/output/host/arm-buildroot-linux-gnueabihf/sysroot/usr/lib/libQt5WebEngine*.so.* /builds/buildroot.org/buildroot/output/target/usr/lib
> cp: cannot stat '/builds/buildroot.org/buildroot/output/host/arm-buildroot-linux-gnueabihf/sysroot/usr/lib/libQt5WebEngine*.so.*': No such file or directory
> package/pkg-generic.mk:315: recipe for target '/builds/buildroot.org/buildroot/output/build/qt5webengine-5.11.2/.stamp_target_installed' failed
>
> Do you have any idea?
Quick fix by:
diff --git a/package/qt5/qt5base/qmake.conf.in b/package/qt5/qt5base/qmake.conf.in
index f14527aa7f..150f84e45d 100644
--- a/package/qt5/qt5base/qmake.conf.in
+++ b/package/qt5/qt5base/qmake.conf.in
@@ -9,6 +9,7 @@
include(../common/linux_device_pre.conf)
# modifications to g++-unix.conf
+QMAKE_COMPILER = gcc
QMAKE_CC = $${CROSS_COMPILE}gcc
QMAKE_CXX = $${CROSS_COMPILE}g++
But QMAKE_COMPILER should already be set in mkspecs/common/g++-base.conf, but
is changed by buildroot package/qt5/qt5base/qt5base.mk from 'gcc' to
'/usr/bin/gcc' by
# This allows to use ccache when available
define QT5BASE_CONFIGURE_HOSTCC
$(SED) 's,^QMAKE_COMPILER\s*=.*,QMAKE_COMPILER = $(HOSTCC),' $(@D)/mkspecs/common/g++-base.conf
$(SED) 's,^QMAKE_CC\s*=.*,QMAKE_CC = $(HOSTCC),' $(@D)/mkspecs/common/g++-base.conf
$(SED) 's,^QMAKE_CXX\s*=.*,QMAKE_CXX = $(HOSTCXX),' $(@D)/mkspecs/common/g++-base.conf
endef
The rigth fix should be removing the first sed line, QMAKE_COMPILER is the
compiler flavour and not a compiler path (see e.g. [1])...
Will send a proper patch (after some testing) soon...
Regards,
Peter
[1] http://code.qt.io/cgit/qt/qtbase.git/commit/?id=fff5a8f9c987e5e285b2665c4d0a1c5bbe3e6276
>
> Best regards,
>
> Thomas
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