bcal: fix build; adopt

Signed-off-by: Jürgen Buchmüller <pullmoll@t-online.de>

srcpkgs/bcal/patches/non-null.patch

@@ -0,0 +1,11 @@
+--- src/bcal.c	2018-12-11 16:12:41.000000000 +0100
++++ src/bcal.c	2019-09-24 22:34:39.475836973 +0200
+@@ -1923,7 +1923,7 @@
+ 	char *expr = fixexpr(exp, &ret);  /* Make parsing compatible */
+ 	char *ptr;
+ 
+-	log(DEBUG, "expr: %s\n", expr);
++	log(DEBUG, "expr: %s\n", expr ? expr : "<null>");
+ 
+ 	if (expr == NULL) {
+ 		if (ret)

srcpkgs/bcal/template

@@ -1,18 +1,17 @@
 # Template file for 'bcal'
 pkgname=bcal
 version=2.1
-revision=2
+revision=3
 build_style=gnu-makefile
 makedepends="readline-devel"
 depends="bc"
 short_desc="Byte CALculator for storage conversions and calculations"
-maintainer="Orphaned <orphan@voidlinux.org>"
+maintainer="Jürgen Buchmüller <pullmoll@t-online.de>"
 license="GPL-3.0-or-later"
 homepage="https://github.com/jarun/bcal"
 distfiles="https://github.com/jarun/bcal/archive/v${version}.tar.gz"
 checksum=c0b6cb911a773abdd555e6a9e0eb8a25934ceca038156e6250e117fa451beaa6
-nocross=yes
 
-case "$XBPS_TARGET_MACHINE" in
-	i686*) broken="https://build.voidlinux.org/builders/i686_builder/builds/6760/steps/shell_3/logs/stdio";;
-esac
+if [ "$XBPS_TARGET_WORDSIZE" -ne 64 ]; then
+	broken="Can only be built for 64 bit targets which define __uint128_t."
+fi