[Buildroot] [PATCH v3 05/16] qt5: Fix sporadic build failure during top-level parallel build

From: Andreas Naumann <redacted>

When using top level parallel build, independent qt5 packages may be
built in parallel. Because of their staging dirs being hardlinked, they
all use the same qt.conf file to manipulate during configure, while
another qt5 package might already use it. This leads to weird build failures
because the folders qmake is using are diverted in erratic ways.
Fix this by actually recreating a non-shared qt.conf file for every package.

Signed-off-by: Andreas Naumann <redacted>
Reviewed-by: Herve Codina <herve.codina@bootlin.com>
---
New patch in this v3 series

This patch was previously send by Andreas Naumann.
https://lore.kernel.org/buildroot/20210623083927.8278-1-anaumann@ultratronik.de/ (local)
https://lore.kernel.org/buildroot/b1d0c5a5-f76f-e38e-0257-1300f6a30eab@andin.de/ (local)
As this patch makes sense in this series, it was integrated in this v3 version.

 package/qt5/qt5.mk | 1 +
 1 file changed, 1 insertion(+)

diff --git a/package/qt5/qt5.mk b/package/qt5/qt5.mk
index db6ccd2b42..3ffb7b0063 100644
--- a/package/qt5/qt5.mk
+++ b/package/qt5/qt5.mk

@@ -15,6 +15,7 @@ include $(sort $(wildcard package/qt5/*/*.mk))
 # compiled into the Qt library. We need it to make "qmake" relocatable and
 # tweak the per-package install pathes
 define QT5_INSTALL_QT_CONF
+	rm -f $(HOST_DIR)/bin/qt.conf
 	sed -e "s|@@HOST_DIR@@|$(HOST_DIR)|" -e "s|@@STAGING_DIR@@|$(STAGING_DIR)|" \
 		$(QT5BASE_PKGDIR)/qt.conf.in > $(HOST_DIR)/bin/qt.conf
 endef

-- 
2.31.1

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