backports/lib3mf: new aport

backports/lib3mf/APKBUILD

@@ -0,0 +1,46 @@
+# Maintainer: Marian Buschsieweke <marian.buschsieweke@ovgu.de>
+pkgname=lib3mf
+pkgver=2.2.0
+pkgrel=0
+pkgdesc="A C++ implementation of the 3D Manufacturing Format file standard"
+url="https://github.com/3MFConsortium/lib3mf"
+# "Generating hourglass API bindings and implementation stub" fail on ARM, s390x, and ppc64le
+arch="all !armv7 !armhf !aarch64 !s390x !ppc64le"
+license="BSD-2-Clause"
+subpackages="$pkgname-dev"
+makedepends="
+	cmake
+	libzip-dev
+	ninja
+	util-linux-dev
+	zlib-dev
+	"
+source="$pkgname-$pkgver.tar.gz::https://github.com/3MFConsortium/lib3mf/archive/v$pkgver.tar.gz"
+options="!check" # Unit tests requires source code of googletest, which is git submodule but not included in the release
+
+build() {
+	cmake -B build \
+		-G Ninja \
+		-DCMAKE_BUILD_TYPE=MinSizeRel \
+		-DCMAKE_INSTALL_PREFIX=/usr \
+		-DCMAKE_INSTALL_INCLUDEDIR=include/lib3mf \
+		-DCMAKE_INSTALL_LIBDIR=lib \
+		-DUSE_INCLUDED_ZLIB=OFF \
+		-DUSE_INCLUDED_LIBZIP=OFF \
+		-DLIB3MF_TESTS=FALSE
+	cmake --build build
+}
+
+package() {
+	DESTDIR="$pkgdir" cmake --install build
+	# fix Cflags in lib3mf.pc
+	sed -e 's!Cflags: -I${includedir}!Cflags: -I${includedir} -I${includedir}/Bindings/C -I${includedir}/Bindings/Cpp!' \
+	    -i "$pkgdir"/usr/lib/pkgconfig/lib3mf.pc
+
+	# some packages expect lib3MF.pc instead of lib3mf.pc
+	ln -s lib3mf.pc "$pkgdir"/usr/lib/pkgconfig/lib3MF.pc
+}
+
+sha512sums="
+2a9ee92312396b8966967a7ed696c58c69a77438f94432ad071659adc8c9d12fba34a3cf3d8c8d3ad3b26c12c9a89f4d8645e6f396987dc05b04952b004a1f07  lib3mf-2.2.0.tar.gz
+"

backports/libspnav/APKBUILD

@@ -0,0 +1,44 @@
+# Contributor: guddaff <guddaff@protonmail.com>
+# Maintainer: guddaff <guddaff@protonmail.com>
+pkgname=libspnav
+pkgver=1.1
+pkgrel=0
+pkgdesc="library for communicating with spacenavd or 3dxsrv"
+url="https://spacenav.sourceforge.net/"
+arch="all"
+license="BSD-3-Clause"
+options="!check" #no checks
+makedepends="libx11-dev"
+subpackages="$pkgname-static $pkgname-dev"
+source="https://github.com/FreeSpacenav/libspnav/releases/download/v$pkgver/libspnav-$pkgver.tar.gz
+	configure.patch
+	"
+
+prepare() {
+    default_prepare
+    sed -i "s/@PKGVERSION@/$pkgver/" "$builddir"/configure
+}
+
+build() {
+	./configure \
+		--build=$CBUILD \
+		--host=$CHOST \
+		--prefix=/usr \
+		--sysconfdir=/etc \
+		--mandir=/usr/share/man \
+		--localstatedir=/var
+	make
+}
+
+check() {
+	make check
+}
+
+package() {
+	make DESTDIR="$pkgdir" install
+}
+
+sha512sums="
+94770d9449dd02ade041d3589bcae7664fa990c4a4feca7b2b1e6542b65aa7073305595310b9e639f10716cf15aaad913e57496fb79bdd4dba5bf703ec8299ab  libspnav-1.1.tar.gz
+1536a172843459c1f26806ad774194afddf93baca0421d0803337eb90b6dd4bcc9dc9b6ebcb1a4e7de0c6f52b16da51538d302a07d57f0625a3a3311a14327f9  configure.patch
+"

backports/libspnav/configure.patch

@@ -0,0 +1,22 @@
+--- a/configure
++++ b/configure
+@@ -6,18 +6,8 @@
+ OPT=yes
+ DBG=yes
+ X11=yes
+-VER=`git describe --tags 2>/dev/null`
++VER="@PKGVERSION@"
+
+-if [ -z "$VER" ]; then
+-	VER=`git rev-parse --short HEAD 2>/dev/null`
+-	if [ -z "$VER" ]; then
+-		VER=v`pwd | grep 'libspnav-[0-9]\+\.' | sed 's/.*libspnav-\(\([0-9]\+\.\)\+[0-9]\+\).*$/\1/'`
+-		if [ $VER = v ]; then
+-			VER='<unknown version>'
+-		fi
+-	fi
+-fi
+-
+ echo "configuring libspnav - $VER"
+
+ srcdir="`dirname "$0"`"