Add qt6pas package which is dependency of goverlay

dev-libs/qt6pas/Manifest

@@ -0,0 +1 @@
+DIST qt6pas-6.2.8.tar.gz 321154 BLAKE2B 56f07bbd5ad7f2950523235727e1e91ec64d9c09bbb80bf9fa1e01aa5cd31c5af9087a90a379050467f054b049cc77d8194db332a49b4fac21d22df2980086cd SHA512 e90cfed2faf7004a71007036eb04839bf3f770c56a8d9d6e844fa83c232d88723991ea353d347d26f84d7f26ac4f63f1b04950d557563108220afc571ed9bb5b

dev-libs/qt6pas/files/01_inlines-hidden.patch

@@ -0,0 +1,16 @@
+Compile with -fvisibility-inlines-hidden to reduce
+the amount of exported symbols that we need to take
+care of in the .symbols file.
+Index: libqtpas/Qt5Pas.pro
+===================================================================
+--- libqtpas.orig/Qt6Pas.pro
++++ libqtpas/Qt6Pas.pro
+@@ -21,7 +21,7 @@ TEMPLATE = lib
+ VPATH = src
+ MOC_DIR = tmp
+ OBJECTS_DIR = tmp
+-QMAKE_CXXFLAGS += -Wfatal-errors
++QMAKE_CXXFLAGS += -Wfatal-errors -fvisibility-inlines-hidden
+ 
+ # Match Intel x86_64 i686 i586 i386 x86 ...
+ is86 = $$find(QMAKE_HOST.arch, ".*86")

dev-libs/qt6pas/qt6pas-6.2.8.ebuild

@@ -0,0 +1,40 @@
+# Copyright 1999-2022 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit qmake-utils
+
+LAZ_COMMIT="b71e3074a333b1573c6d662930b4689d92f5962e"
+LAZ_DIRECTORY="lcl/interfaces/qt6/cbindings"
+LAZ_UNPACKED_DIR="lazarus-${LAZ_COMMIT}-${LAZ_DIRECTORY//\//-}"
+
+DESCRIPTION="Free Pascal Qt6 bindings library updated by lazarus IDE."
+HOMEPAGE="https://gitlab.com/freepascal.org/lazarus/lazarus/-/tree/main/lcl/interfaces/qt6/cbindings"
+SRC_URI="	https://gitlab.com/freepascal.org/lazarus/lazarus/-/archive/${LAZ_COMMIT}/lazarus-main.tar.gz?path=${LAZ_DIRECTORY} -> ${P}.tar.gz"
+
+LICENSE="LGPL-3"
+SLOT="0"
+KEYWORDS="~amd64 ~x86"
+
+DEPEND="
+	dev-qt/qtbase:6[gui,network]
+"
+RDEPEND="${DEPEND}"
+BDEPEND=""
+
+PATCHES=( "${FILESDIR}/01_inlines-hidden.patch" )
+
+src_unpack() {
+	default
+
+	mv "${WORKDIR}/${LAZ_UNPACKED_DIR}/${LAZ_DIRECTORY}" "${WORKDIR}/${P}"
+}
+
+src_configure() {
+	eqmake6 Qt6Pas.pro
+}
+
+src_install() {
+	emake INSTALL_ROOT="${D}" install
+}