mmap-smack-test, smack-test, tcp-smack-test, udp-smack-test: don't use S = ${WORKDIR}

* fixes:
  Parsing recipes...
  ERROR: meta-security/recipes-mac/smack/mmap-smack-test_1.0.bb: Using S = ${WORKDIR} is no longer supported
  ERROR: meta-security/recipes-mac/smack/tcp-smack-test_1.0.bb: Using S = ${WORKDIR} is no longer supported
  ERROR: meta-security/recipes-mac/smack/udp-smack-test_1.0.bb: Using S = ${WORKDIR} is no longer supported
  ERROR: meta-security/recipes-mac/smack/smack-test_1.0.bb: Using S = ${WORKDIR} is no longer supported
  ERROR: Parsing halted due to errors, see error messages above

* see:
  https://lists.openembedded.org/g/openembedded-architecture/message/2007

* it's fatal error since:
  https://git.openembedded.org/openembedded-core/commit/?h=master&id=32cba1cc916ad530c5e6630a927e74ca6f06289b

Signed-off-by: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

recipes-mac/smack/mmap-smack-test_1.0.bb

@@ -5,7 +5,9 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda
 
 SRC_URI = "file://mmap.c" 
 
-S = "${WORKDIR}"
+S = "${WORKDIR}/sources"
+UNPACKDIR = "${S}"
+
 do_compile() {
     ${CC} mmap.c ${LDFLAGS} -o mmap_test
 }

recipes-mac/smack/smack-test_1.0.bb

@@ -8,9 +8,10 @@ SRC_URI = " \
            file://smack_test_file_access.sh \
            file://test_privileged_change_self_label.sh \
            file://test_smack_onlycap.sh \
-" 
+"
 
-S = "${WORKDIR}"
+S = "${WORKDIR}/sources"
+UNPACKDIR = "${S}"
 
 inherit features_check
 

recipes-mac/smack/tcp-smack-test_1.0.bb

@@ -6,9 +6,10 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda
 SRC_URI = "file://tcp_server.c \
            file://tcp_client.c \
            file://test_smack_tcp_sockets.sh \
-" 
+"
 
-S = "${WORKDIR}"
+S = "${WORKDIR}/sources"
+UNPACKDIR = "${S}"
 
 do_compile() {
     ${CC} tcp_client.c ${LDFLAGS} -o tcp_client

recipes-mac/smack/udp-smack-test_1.0.bb

@@ -6,9 +6,11 @@ LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MIT;md5=0835ade698e0bcf8506ecda
 SRC_URI = "file://udp_server.c \
            file://udp_client.c \
            file://test_smack_udp_sockets.sh \
-" 
+"
+
+S = "${WORKDIR}/sources"
+UNPACKDIR = "${S}"
 
-S = "${WORKDIR}"
 do_compile() {
     ${CC} udp_client.c ${LDFLAGS} -o udp_client
     ${CC} udp_server.c ${LDFLAGS} -o udp_server