mono: update to 5.20.1.19.

srcpkgs/mono/patches/fix-mono-build-date.patch

@@ -1,11 +0,0 @@
---- mono/mini/main.c	2016-10-28 19:35:02.988284497 +0200
-+++ mono/mini/main.c	2016-10-28 19:36:00.413593252 +0200
-@@ -15,6 +15,8 @@
- #  endif
- #endif
- 
-+const char *mono_build_date;
-+
- /*
-  * If the MONO_ENV_OPTIONS environment variable is set, it uses this as a
-  * source of command line arguments that are passed to Mono before the

srcpkgs/mono/patches/musl.patch

@@ -1,12 +0,0 @@
---- mono/utils/mono-state.c	2019-01-18 10:59:39.355034555 +0100
-+++ mono/utils/mono-state.c	2019-01-18 11:00:48.212036254 +0100
-@@ -33,7 +33,9 @@
- #endif
- 
- #include <sys/param.h>
-+#if defined(__GLIBC__)
- #include <sys/sysctl.h>
-+#endif
- #include <fcntl.h>
- 
- typedef struct {

srcpkgs/mono/template

@@ -1,6 +1,6 @@
 # Template file for 'mono'
 pkgname=mono
-version=5.18.1.3
+version=5.20.1.19
 revision=1
 build_style=gnu-configure
 configure_args="--disable-system-aot"
@@ -13,17 +13,13 @@ maintainer="Helmut Pozimski <helmut@pozimski.eu>"
 license="MIT, BSD-3-Clause, GPL-2.0-or-later, LGPL-2.0-or-later, MPL-1.1"
 homepage="https://www.mono-project.com"
 distfiles="https://download.mono-project.com/sources/mono/${pkgname}-${version}.tar.bz2"
-checksum=b9838f38872cd4ae0a4c45fb8a94fc2b6c9f85b3a7507f7187bcbd49d26f3515
+checksum=0574b61efb9bfc3364211d03d87a12c91dc7b03e8d6242cd4d8d953ef145d468
 lib32disabled=yes
 
 case "$XBPS_TARGET_MACHINE" in
 	*-musl) configure_args+=" --disable-boehm --without-sigaltstack" ;;
 esac
 
-if [ "$CROSS_BUILD" ]; then
-	configure_args+=" ac_cv_func_shm_open_working_with_mmap=no"
-fi
-
 post_install() {
 	# Avoid conflict with chicken's csc and csi compiler
 	mv ${DESTDIR}/usr/bin/csc  ${DESTDIR}/usr/bin/mono-csc