fpc: add ppc64le support

Closes https://github.com/void-linux/void-packages/pull/29986.

srcpkgs/fpc/template

@@ -2,7 +2,7 @@
 pkgname=fpc
 version=3.2.0
 revision=1
-archs="x86_64* i686*"
+archs="x86_64* i686* ppc64le"
 create_wrksrc=yes
 build_wrksrc="${pkgname}build-${version}"
 conf_files="/etc/fpc.cfg /etc/fppkg.cfg"
@@ -23,6 +23,9 @@ i686*)
 	distfiles+=" ${SOURCEFORGE_SITE}/freepascal/Linux/${version}/${pkgname}-${version}-1.i686.rpm"
 	checksum+=" 05c5600c9461362a08df100cf50ca125cb2b4d5bfe4da48cf8c144f2bf4617a2"
 	;;
+ppc64le*)
+	distfiles+=" ${SOURCEFORGE_SITE}/freepascal/Linux/${version}/${pkgname}-${version}.powerpc64le-linux.tar"
+	checksum+=" 9bf59ae3d336f0de4624c63e4e892ea95de4be2ca66182d185defc50b69b65f3"
 esac
 # TODO: figure out cross-build and how to unwrap the ARM .tar.
 nocross=yes
@@ -30,9 +33,25 @@ nopie=yes
 noverifyrdeps=yes
 
 post_extract() {
-	# relative links needed
-	ln -sf ../lib64/fpc/${version}/ppcx64 usr/bin
-	ln -sf ../lib/fpc/${version}/ppc386 usr/bin
+	# extract recursive tar files or otherwise post-process.
+	case "$XBPS_TARGET_MACHINE" in
+	ppc64le*)
+		mkdir ${wrksrc}/usr
+		cd ${wrksrc}/${pkgname}-${version}.powerpc64-linux
+		for f in $(bsdtar -tf binary.powerpc64-linux.tar)
+		do
+			bsdtar -xOf binary.powerpc64-linux.tar $f | bsdtar -C ${wrksrc}/usr -xzf -
+		done
+		cd ${wrksrc}
+		ln -sf ../lib/fpc/${version}/ppcppc64 usr/bin
+		;;
+	x86_64*|i686*)
+		# relative links needed
+		ln -sf ../lib64/fpc/${version}/ppcx64 usr/bin
+		ln -sf ../lib/fpc/${version}/ppc386 usr/bin
+		;;
+	esac
+
 
 	# tweak PT_INTERP for musl targets
 	case "$XBPS_TARGET_MACHINE" in