new package: libczmq (#5820)

packages/libczmq/01-support-ifaddrs.patch

@@ -0,0 +1,16 @@
+diff --git a/include/czmq_prelude.h b/include/czmq_prelude.h
+index 8a1d7ea7..785ae052 100644
+--- a/include/czmq_prelude.h
++++ b/include/czmq_prelude.h
+@@ -286,9 +286,8 @@
+ #   include <sys/un.h>
+ #   include <sys/uio.h>             //  Let CZMQ build with libzmq/3.x
+ #   include <netinet/in.h>          //  Must come before arpa/inet.h
+-#   if (!defined (__UTYPE_ANDROID)) && (!defined (__UTYPE_IBMAIX)) \
+-    && (!defined (__UTYPE_HPUX))
+-#       include <ifaddrs.h>
++#   if (!defined (__UTYPE_IBMAIX)) && (!defined (__UTYPE_HPUX))
++#       include <ifaddrs.h>
+ #   endif
+ #   if defined (__UTYPE_SUNSOLARIS) || defined (__UTYPE_SUNOS)
+ #       include <sys/sockio.h>

packages/libczmq/build.sh

@@ -0,0 +1,14 @@
+TERMUX_PKG_HOMEPAGE=https://zeromq.org/
+TERMUX_PKG_DESCRIPTION="High-level C binding for ZeroMQ"
+TERMUX_PKG_LICENSE="MPL-2.0"
+TERMUX_PKG_VERSION=4.2.0
+TERMUX_PKG_SRCURL=https://github.com/zeromq/czmq/releases/download/v${TERMUX_PKG_VERSION}/czmq-${TERMUX_PKG_VERSION}.tar.gz
+TERMUX_PKG_SHA256=cfab29c2b3cc8a845749758a51e1dd5f5160c1ef57e2a41ea96e4c2dcc8feceb
+TERMUX_PKG_DEPENDS="libzmq, libsodium, liblz4, libuuid"
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--enable-drafts=no"
+
+termux_step_pre_configure() {
+	CFLAGS+=" -DCZMQ_HAVE_ANDROID=1"
+	LDFLAGS+=" -llog"
+	autoconf
+}