gcc/clang: set S to be in UNPACKDIR

This and some further commits allows removing the 'backwards
compatibility magic' in do_unpack that moves unpacked sources
to where S is set to.

(From OE-Core rev: 6b2f14cd2d110113f1065bdc818ec4e9dbd4b054)

Signed-off-by: Alexander Kanavin <alex@linutronix.de>
Signed-off-by: Mathieu Dubois-Briand <mathieu.dubois-briand@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/clang/common.inc

@@ -63,7 +63,8 @@ SRC_URI = "\
 # Fallback to no-PIE if not set
 GCCPIE ??= ""
 
-S = "${TMPDIR}/work-shared/llvm-project-source-${PV}-${PR}/${SOURCEDIR}"
+UNPACKDIR = "${TMPDIR}/work-shared/llvm-project-source-${PV}-${PR}/sources"
+S = "${UNPACKDIR}/${SOURCEDIR}"
 B ?= "${WORKDIR}/llvm-project-source-${PV}/build.${HOST_SYS}.${TARGET_SYS}"
 
 # We need to ensure that for the shared work directory, the do_patch signatures match

meta/recipes-devtools/gcc/gcc-15.1.inc

@@ -75,7 +75,8 @@ SRC_URI = "${BASEURI} \
            file://0026-fix-incorrect-preprocessor-line-numbers.patch \
 "
 
-S = "${TMPDIR}/work-shared/gcc-${PV}-${PR}/${SOURCEDIR}"
+UNPACKDIR = "${TMPDIR}/work-shared/gcc-${PV}-${PR}/sources"
+S = "${UNPACKDIR}/${SOURCEDIR}"
 B = "${WORKDIR}/gcc-${PV}/build.${HOST_SYS}.${TARGET_SYS}"
 
 # Language Overrides

meta/recipes-devtools/gcc/gcc-common.inc

@@ -104,7 +104,8 @@ MIRRORS =+ "\
 gcclibdir = "${libdir}/gcc"
 BINV = "${PV}"
 #S = "${WORKDIR}/gcc-${PV}"
-S = "${TMPDIR}/work-shared/gcc-${PV}-${PR}/gcc-${PV}"
+UNPACKDIR = "${TMPDIR}/work-shared/gcc-${PV}-${PR}/sources"
+S = "${UNPACKDIR}/gcc-${PV}"
 
 B ?= "${WORKDIR}/gcc-${PV}/build.${HOST_SYS}.${TARGET_SYS}"
 

meta/recipes-devtools/gcc/gcc-shared-source.inc

@@ -16,6 +16,6 @@ do_deploy_source_date_epoch () {
 	sde_file=${SDE_FILE}
 	sde_file=${sde_file#${WORKDIR}/}
 	mkdir -p ${SDE_DEPLOYDIR} $(dirname ${SDE_FILE})
-	cp -p $(dirname ${S})/$sde_file ${SDE_DEPLOYDIR}
-	cp -p $(dirname ${S})/$sde_file ${SDE_FILE}
+	cp -p $(dirname ${UNPACKDIR})/$sde_file ${SDE_DEPLOYDIR}
+	cp -p $(dirname ${UNPACKDIR})/$sde_file ${SDE_FILE}
 }