Re: [WiP] Update libgdal and proj and rebuild against them

[sgn <sgn@users.noreply.github.com>]

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New comment by sgn on void-packages repository

https://github.com/void-linux/void-packages/pull/31687#issuecomment-871569727

Comment:
```diff
diff --git a/srcpkgs/libgdal/template b/srcpkgs/libgdal/template
index 2c6f38a328..f71d947b0a 100644
--- a/srcpkgs/libgdal/template
+++ b/srcpkgs/libgdal/template
@@ -2,8 +2,6 @@
 pkgname=libgdal
 version=3.2.3
 revision=1
-# aarch & arm currently failing
-archs="~aarch* ~armv*"
 wrksrc="gdal-${version}"
 build_style=gnu-configure
 configure_args="
@@ -39,20 +37,41 @@ build_options_default="kml"
 if [ -z "$CROSS_BUILD" ]; then
 	makedepends+=" hdf5-devel"
 fi
+CFLAGS="-pthread -I${XBPS_CROSS_BASE}/${py3_inc}"
+LDFLAGS="-L${XBPS_CROSS_BASE}/${py3_lib}"
 
 post_build() {
+	if [ "$CROSS_BUILD" ]; then
+		export PYPREFIX="$XBPS_CROSS_BASE"
+		export PYTHONPATH=${XBPS_CROSS_BASE}/${py3_lib}
+		for f in ${XBPS_CROSS_BASE}/${py3_lib}/_sysconfigdata_*; do
+			f=${f##*/}
+			export _PYTHON_SYSCONFIGDATA_NAME=${f%.py}
+		done
+	fi
+	export LDSHARED="${CC} $CFLAGS -shared $LDFLAGS"
+
 	rm -f swig/python/*_wrap.cpp
 	make -C swig/python generate
 	cd swig/python
-	make ${makejobs} PYTHON=python3 ${makejobs}
+	python3 setup.py build
 }
 
 post_install() {
 	vinstall gdal.pc 644 usr/lib/pkgconfig
 	vlicense LICENSE.TXT
-	# python modules
+	if [ "$CROSS_BUILD" ]; then
+		export PYPREFIX="$XBPS_CROSS_BASE"
+		export PYTHONPATH=${XBPS_CROSS_BASE}/${py3_lib}
+		for f in ${XBPS_CROSS_BASE}/${py3_lib}/_sysconfigdata_*; do
+			f=${f##*/}
+			export _PYTHON_SYSCONFIGDATA_NAME=${f%.py}
+		done
+	fi
+	export LDSHARED="${CC} $CFLAGS -shared $LDFLAGS"
+
 	cd swig/python
-	make PYTHON=python3 DESTDIR=${DESTDIR}/ install
+	python3 setup.py install --prefix=/usr --root=$DESTDIR
 }
 
 libgdal-tools_package() {
@@ -79,9 +98,8 @@ python3-gdal_package() {
 	depends="${sourcepkg}>=${version}_${revision}"
 	short_desc+=" - Python3 bindings"
 	pkg_install() {
-		vmove usr/bin/*.py
+		vmove "usr/bin/*.py"
 		vmove "usr/lib/python*"
-		vlicense LICENSE.TXT
 		vdoc swig/python/README.rst
 		vmkdir usr/share/python3-gdal
 		vcopy swig/python/samples usr/share/python3-gdal/examples
```