[Buildroot] [Bug 6656] New: Build Qt5 with ccache
bugzilla at busybox.net
bugzilla at busybox.net
Mon Nov 4 18:14:05 UTC 2013
https://bugs.busybox.net/show_bug.cgi?id=6656
Summary: Build Qt5 with ccache
Product: buildroot
Version: unspecified
Platform: PC
OS/Version: Linux
Status: NEW
Severity: minor
Priority: P5
Component: Other
AssignedTo: unassigned at buildroot.uclibc.org
ReportedBy: espenfk at gmail.com
CC: buildroot at uclibc.org
Estimated Hours: 0.0
Hello.
I have tried to get Buildroot (latest from git) to build Qt5 with ccache. Some
of the packages (at least) does it by defining the compiler to be something
like "$(CCACHE) $(TARGET_CROSS)". I tried to change the
package/qt/qt5base/qt5base.mk file to change the
output/build/qt5base-5.1.1/mkspecs/devices/linux-buildroot-g++/qmake.conf file
in such a way that ccache will work, but it fails.
It fails with:
Running configuration tests...
Failed to process makespec for platform 'devices/linux-buildroot-g++'
Project ERROR: CROSS_COMPILE needs to be set via -device-option
CROSS_COMPILE=<path>
Could not read qmake configuration file
/home/espenfk/imx6/buildroot/output/build/qt5base-5.1.1/mkspecs/devices/linux-buildroot-g++/qmake.conf.
Error processing project file: /dev/null
I have tried many things from the most obious and easy: patch line 230 in
package/qt/qt5base/qt5base.mk to:
$(call QT5BASE_CONFIG_SET,BUILDROOT_CROSS_COMPILE,$(CCACHE) $(TARGET_CROSS))
to use $(notdir $(TARGET_CROSS)) and adding $(dir $(TARGET_CROSS)) to the path
(also without ccache). But the only thing that seems to work is to have the
original setup and that does not work with ccache.
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