mpir: fix build on ppc64, fix runtime on ppc32

srcpkgs/mpir/template

@@ -12,6 +12,19 @@ homepage="http://mpir.org"
 distfiles="${homepage}/mpir-${version}.tar.bz2"
 checksum=52f63459cf3f9478859de29e00357f004050ead70b45913f2c2269d9708675bb
 
+# prevent elfv1 asm code from being used (fails to link)
+# and on ppc32, avoid textrels (assembly code is used)
+case "$XBPS_TARGET_MACHINE" in
+	ppc64*)
+		export ABI=mode64
+		export MPN_PATH=generic
+		;;
+	ppc*)
+		nopie=yes
+		CFLAGS="-fPIC"
+		;;
+esac
+
 mpir-devel_package() {
 	short_desc+=" - development files"
 	depends="${sourcepkg}>=${version}_${revision}"