[Buildroot] [PATCH] package/qt5/qt5webkit: fix generated artifacts

* [Buildroot] [PATCH] package/qt5/qt5webkit: fix generated artifacts
@ 2022-09-22 21:45 Thomas Ballasi
  2022-09-29 10:43 ` Giulio Benetti
  2022-09-29 18:13 ` [Buildroot] [PATCH v2] " Thomas Ballasi
  0 siblings, 2 replies; 8+ messages in thread
From: Thomas Ballasi @ 2022-09-22 21:45 UTC (permalink / raw)
  To: buildroot; +Cc: Peter Seiderer, Thomas Ballasi, Julien Corjon

Generated artifacts of the installation process were wrongly located,
causing packages using qt5webkit (qt-webkit-kiosk and python-pyqt5) to
fail at build time. The changes aims at fixing this issue.

There were three main issues occuring during the build:

1. *.pri files were wrongly located in the host's and target's sysroot
   directores while buildroot implements its own mkspecs directory.
   By setting KDE_INSTALL_USE_QT_SYS_PATHS on, mkspecs modules are now
   being installed in host's data dir (ECM_MKSPECS_INSTALL_DIR is set
   accordingly @ line 102 in Source/cmake/ECMGeneratePriFile.cmake).
   This also required to prevent using the CMake package's default
   DATADIR variable as it enforces to install under the sysroot
   directory.

2. *.pri files' content had hardcoded include and library paths which
   has been corrected by setting on KDE_INSTALL_USE_QT_SYS_PATHS as
   their content is written according to this value (see line 514 and
   739 in file Source/WebKit/PlatformQt.cmake).

3. *.h files were located a directory below where supposed (inside qt5/
   directory). This was caused by using DATADIR which assumed include
   files were to be located in sysroot/usr/include/.
   Disabling this variable by removing it from build options leads to a
   correct behavior.

Regression happened when qt5webkit started using cmake-package at commit
df0b0fe6919c0d0f3750f439a3cfa765232bd569.

More info @ https://bugs.buildroot.org/show_bug.cgi?id=14606

Signed-off-by: Thomas Ballasi <thomas.ballasi@savoirfairelinux.com>
---
 ...-set-KDE_INSTALL_USE_QT_SYS_PATHS-on.patch | 42 +++++++++++++++++++
 package/qt5/qt5webkit/qt5webkit.mk            |  7 ++++
 2 files changed, 49 insertions(+)
 create mode 100644 package/qt5/qt5webkit/0007-cmake-set-KDE_INSTALL_USE_QT_SYS_PATHS-on.patch

diff --git a/package/qt5/qt5webkit/0007-cmake-set-KDE_INSTALL_USE_QT_SYS_PATHS-on.patch b/package/qt5/qt5webkit/0007-cmake-set-KDE_INSTALL_USE_QT_SYS_PATHS-on.patch
new file mode 100644
index 0000000000..b65eb305b4
--- /dev/null
+++ b/package/qt5/qt5webkit/0007-cmake-set-KDE_INSTALL_USE_QT_SYS_PATHS-on.patch
@@ -0,0 +1,42 @@
+From f4950219005b487c18d41ce4e6bc11c4b0e3a20d Mon Sep 17 00:00:00 2001
+From: Thomas Ballasi <thomas.ballasi@savoirfairelinux.com>
+Date: Wed, 21 Sep 2022 14:46:40 -0400
+Subject: [PATCH] cmake: set KDE_INSTALL_USE_QT_SYS_PATHS on
+
+This variable is used to save .pri files to directories relative to the
+host (output/host/mkspecs/modules/) rather than relative to the target
+itself, which is unwanted behavior.
+
+The changes also enables .pri files not to hardcode include and library
+paths and to use $$QT_MODULE_INCLUDE_BASE and $$QT_MODULE_LIB_BASE.
+
+Signed-off-by: Thomas Ballasi <thomas.ballasi@savoirfairelinux.com>
+---
+ Source/cmake/OptionsQt.cmake | 8 +-------
+ 1 file changed, 1 insertion(+), 7 deletions(-)
+
+diff --git a/Source/cmake/OptionsQt.cmake b/Source/cmake/OptionsQt.cmake
+index 1ee60b777106..607c69bd38fe 100644
+--- a/Source/cmake/OptionsQt.cmake
++++ b/Source/cmake/OptionsQt.cmake
+@@ -998,16 +998,10 @@ feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)
+ include(ECMQueryQmake)
+ 
+ query_qmake(qt_install_prefix_dir QT_INSTALL_PREFIX)
+-if (CMAKE_INSTALL_PREFIX_INITIALIZED_TO_DEFAULT)
+-    set(CMAKE_INSTALL_PREFIX "${qt_install_prefix_dir}" CACHE PATH "Install path prefix, prepended onto install directories." FORCE)
+-endif ()
++set(CMAKE_INSTALL_PREFIX "${qt_install_prefix_dir}")
+ 
+ include(KDEInstallDirs)
+ 
+-if (NOT qt_install_prefix_dir STREQUAL "${CMAKE_INSTALL_PREFIX}")
+-    set(KDE_INSTALL_USE_QT_SYS_PATHS OFF)
+-endif ()
+-
+ # We split all installed files into 2 components: Code and Data. This is different from
+ # traditional approach with Runtime and Devel, but we need it to fix concurrent installation of
+ # debug and release builds in qmake-based build
+-- 
+2.25.1
+
diff --git a/package/qt5/qt5webkit/qt5webkit.mk b/package/qt5/qt5webkit/qt5webkit.mk
index 6912359674..607c022568 100644
--- a/package/qt5/qt5webkit/qt5webkit.mk
+++ b/package/qt5/qt5webkit/qt5webkit.mk
@@ -57,4 +57,11 @@ QT5WEBKIT_CONF_OPTS += \
 	-DSHARED_CORE=ON \
 	-DUSE_LIBHYPHEN=OFF
 
+QT5WEBKIT_INSTALL_STAGING_OPTS = install/fast
+
+define QT5WEBKIT_INSTALL_TARGET_CMDS
+	$(TARGET_MAKE_ENV) $(BR2_CMAKE) --install $(QT5WEBKIT_BUILDDIR) \
+		--prefix $(TARGET_DIR)/usr
+endef
+
 $(eval $(cmake-package))
-- 
2.25.1

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