[Buildroot] [PATCH v4 1/1] package/qt5/qt5base: disable broken qmake sysrootify

[Buildroot] [PATCH v4 1/1] package/qt5/qt5base: disable broken qmake sysrootify

[James Hilliard]

Currently the qmake gcc sysrootify path logic causes issues with
per-package directories, disable automatic gcc sysroot for qt5base
install and override all qt.conf paths manually to point to their
correct locations.

Redirect HostData to STAGING_DIR as mkspecs need to be available there
instead of the HOST_DIR for cross compilation to work.

Also set qmake target pkg-config path for qt5webengine.

Set PKG_CONFIG_SYSROOT_DIR="/" in qt5webengine to prevent
target pkg-config path mangling.

This fixes some build errors with per-package directories such as:
/home/buildroot/buildroot/output/per-package/qt5base/host/opt/ext-toolchain/bin/../lib/gcc/aarch64-buildroot-linux-gnu/10.3.0/../../../../aarch64-buildroot-linux-gnu/bin/ld:
cannot find /lib64/libc.so.6
/home/buildroot/buildroot/output/per-package/qt5base/host/opt/ext-toolchain/bin/../lib/gcc/aarch64-buildroot-linux-gnu/10.3.0/../../../../aarch64-buildroot-linux-gnu/bin/ld:
cannot find /usr/lib64/libc_nonshared.a
/home/buildroot/buildroot/output/per-package/qt5base/host/opt/ext-toolchain/bin/../lib/gcc/aarch64-buildroot-linux-gnu/10.3.0/../../../../aarch64-buildroot-linux-gnu/bin/ld:
cannot find /lib/ld-linux-aarch64.so.1
collect2: error: ld returned 1 exit status
make[4]: *** [Makefile:122: ../../lib/libQt5Svg.so.5.15.2] Error 1
make[3]: *** [Makefile:48: sub-svg-make_first-ordered] Error 2
make[2]: *** [Makefile:49: sub-src-make_first] Error 2
make[1]: *** [package/pkg-generic.mk:295:
/home/buildroot/buildroot/output/build/qt5svg-5.15.2/.stamp_built]
Error 2

Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
---
Changes v3 -> v4:
  - fix target pkg-config path mangling
Changes v2 -> v3:
  - set target pkg-config path
Changes v1 -> v2:
  - add some missing overrides to qt.conf.in
---
 package/qt5/qt5base/qmake.conf.in        |  4 ++++
 package/qt5/qt5base/qt.conf.in           | 21 ++++++++++++++++++---
 package/qt5/qt5base/qt5base.mk           |  2 ++
 package/qt5/qt5webengine/qt5webengine.mk |  4 +++-
 4 files changed, 27 insertions(+), 4 deletions(-)

diff --git a/package/qt5/qt5base/qmake.conf.in b/package/qt5/qt5base/qmake.conf.in
index 024c074928..d12f884a55 100644
--- a/package/qt5/qt5base/qmake.conf.in
+++ b/package/qt5/qt5base/qmake.conf.in
@@ -8,6 +8,10 @@
 
 include(../common/linux_device_pre.conf)
 
+# set up pkg-config
+QMAKE_PKG_CONFIG        = $$[QT_HOST_PREFIX]/bin/pkg-config
+QMAKE_PKGCONFIG_PREFIX  = /usr
+
 # modifications to g++-unix.conf
 QMAKE_CC                = $${CROSS_COMPILE}gcc
 QMAKE_CXX               = $${CROSS_COMPILE}g++
diff --git a/package/qt5/qt5base/qt.conf.in b/package/qt5/qt5base/qt.conf.in
index 2215cbd4e1..c92f52ced0 100644
--- a/package/qt5/qt5base/qt.conf.in
+++ b/package/qt5/qt5base/qt.conf.in
@@ -2,6 +2,21 @@
 Prefix=/usr
 HostPrefix=@@HOST_DIR@@
 Sysroot=@@STAGING_DIR@@
-Headers=/usr/include/qt5
-Plugins=/usr/lib/qt/plugins
-Examples=/usr/lib/qt/examples
+SysrootifyPrefix=false
+Binaries=@@STAGING_DIR@@/usr/bin
+Libraries=@@STAGING_DIR@@/usr/lib
+Headers=@@STAGING_DIR@@/usr/include/qt5
+Plugins=@@STAGING_DIR@@/usr/lib/qt/plugins
+Examples=@@STAGING_DIR@@/usr/lib/qt/examples
+Tests=@@STAGING_DIR@@/usr/lib/qt/tests
+Data=@@STAGING_DIR@@
+Translations=@@STAGING_DIR@@/translations
+Documentation=@@STAGING_DIR@@/doc
+ArchData=@@STAGING_DIR@@/usr
+LibraryExecutables=@@STAGING_DIR@@/usr/libexec
+Imports=@@STAGING_DIR@@/usr/imports
+Qml2Imports=@@STAGING_DIR@@/usr/qml
+Settings=@@STAGING_DIR@@/etc
+HostBinaries=@@HOST_DIR@@/bin
+HostLibraries=@@HOST_DIR@@/lib
+HostData=@@STAGING_DIR@@
diff --git a/package/qt5/qt5base/qt5base.mk b/package/qt5/qt5base/qt5base.mk
index bcdf036f00..6c05e710d8 100644
--- a/package/qt5/qt5base/qt5base.mk
+++ b/package/qt5/qt5base/qt5base.mk
@@ -311,8 +311,10 @@ define QT5BASE_CONFIGURE_CMDS
 		-v \
 		-prefix /usr \
 		-hostprefix $(HOST_DIR) \
+		-hostdatadir $(STAGING_DIR) \
 		-headerdir /usr/include/qt5 \
 		-sysroot $(STAGING_DIR) \
+		-no-gcc-sysroot \
 		-plugindir /usr/lib/qt/plugins \
 		-examplesdir /usr/lib/qt/examples \
 		-no-rpath \
diff --git a/package/qt5/qt5webengine/qt5webengine.mk b/package/qt5/qt5webengine/qt5webengine.mk
index 64c9c96cc2..06922e4eec 100644
--- a/package/qt5/qt5webengine/qt5webengine.mk
+++ b/package/qt5/qt5webengine/qt5webengine.mk
@@ -44,7 +44,9 @@ endif
 # QtWebengine's build system uses python, but only supports python2. We work
 # around this by forcing python2 early in the PATH, via a python->python2
 # symlink.
-QT5WEBENGINE_ENV = PATH=$(@D)/host-bin:$(BR_PATH)
+QT5WEBENGINE_ENV = \
+	PATH=$(@D)/host-bin:$(BR_PATH) \
+	PKG_CONFIG_SYSROOT_DIR="/"
 define QT5WEBENGINE_PYTHON2_SYMLINK
 	mkdir -p $(@D)/host-bin
 	ln -sf $(HOST_DIR)/bin/python2 $(@D)/host-bin/python
-- 
2.25.1

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