6 files changed, 64 insertions, 3 deletions

diff --git a/meta/classes/sstate.bbclass b/meta/classes/sstate.bbclass
index 92a73114bb..89e9f56178 100644
--- a/meta/classes/sstate.bbclass
+++ b/meta/classes/sstate.bbclass
@@ -67,6 +67,13 @@ SSTATE_DUPWHITELIST += "${DEPLOY_DIR_IMAGE}/microcode"
 SSTATE_SCAN_FILES ?= "*.la *-config *_config postinst-*"
 SSTATE_SCAN_CMD ??= 'find ${SSTATE_BUILDDIR} \( -name "${@"\" -o -name \"".join(d.getVar("SSTATE_SCAN_FILES").split())}" \) -type f'
 SSTATE_SCAN_CMD_NATIVE ??= 'grep -Irl -e ${RECIPE_SYSROOT} -e ${RECIPE_SYSROOT_NATIVE} -e ${HOSTTOOLS_DIR} ${SSTATE_BUILDDIR}'
+SSTATE_HASHEQUIV_FILEMAP ?= " \
+    populate_sysroot:*/postinst-useradd-*:${TMPDIR} \
+    populate_sysroot:*/postinst-useradd-*:${COREBASE} \
+    populate_sysroot:*/postinst-useradd-*:regex-\s(PATH|PSEUDO_IGNORE_PATHS|HOME|LOGNAME|OMP_NUM_THREADS|USER)=.*\s \
+    populate_sysroot:*/crossscripts/*:${TMPDIR} \
+    populate_sysroot:*/crossscripts/*:${COREBASE} \
+    "
 
 BB_HASHFILENAME = "False ${SSTATE_PKGSPEC} ${SSTATE_SWSPEC}"
 
diff --git a/meta/lib/oe/sstatesig.py b/meta/lib/oe/sstatesig.py
index 24577249ff..0c3b4589c5 100644
--- a/meta/lib/oe/sstatesig.py
+++ b/meta/lib/oe/sstatesig.py
@@ -470,6 +470,8 @@ def OEOuthashBasic(path, sigfile, task, d):
     import stat
     import pwd
     import grp
+    import re
+    import fnmatch
 
     def update_hash(s):
         s = s.encode('utf-8')
@@ -479,6 +481,8 @@ def OEOuthashBasic(path, sigfile, task, d):
 
     h = hashlib.sha256()
     prev_dir = os.getcwd()
+    corebase = d.getVar("COREBASE")
+    tmpdir = d.getVar("TMPDIR")
     include_owners = os.environ.get('PSEUDO_DISABLED') == '0'
     if "package_write_" in task or task == "package_qa":
         include_owners = False
@@ -489,8 +493,17 @@ def OEOuthashBasic(path, sigfile, task, d):
         include_root = False
     extra_content = d.getVar('HASHEQUIV_HASH_VERSION')
 
+    filemaps = {}
+    for m in (d.getVar('SSTATE_HASHEQUIV_FILEMAP') or '').split():
+        entry = m.split(":")
+        if len(entry) != 3 or entry[0] != task:
+            continue
+        filemaps.setdefault(entry[1], [])
+        filemaps[entry[1]].append(entry[2])
+
     try:
         os.chdir(path)
+        basepath = os.path.normpath(path)
 
         update_hash("OEOuthashBasic\n")
         if extra_content:
@@ -572,8 +585,13 @@ def OEOuthashBasic(path, sigfile, task, d):
                 else:
                     update_hash(" " * 9)
 
+                filterfile = False
+                for entry in filemaps:
+                    if fnmatch.fnmatch(path, entry):
+                        filterfile = True
+
                 update_hash(" ")
-                if stat.S_ISREG(s.st_mode):
+                if stat.S_ISREG(s.st_mode) and not filterfile:
                     update_hash("%10d" % s.st_size)
                 else:
                     update_hash(" " * 10)
@@ -582,9 +600,24 @@ def OEOuthashBasic(path, sigfile, task, d):
                 fh = hashlib.sha256()
                 if stat.S_ISREG(s.st_mode):
                     # Hash file contents
-                    with open(path, 'rb') as d:
-                        for chunk in iter(lambda: d.read(4096), b""):
+                    if filterfile:
+                        # Need to ignore paths in crossscripts and postinst-useradd files.
+                        with open(path, 'rb') as d:
+                            chunk = d.read()
+                            chunk = chunk.replace(bytes(basepath, encoding='utf8'), b'')
+                            for entry in filemaps:
+                                if not fnmatch.fnmatch(path, entry):
+                                    continue
+                                for r in filemaps[entry]:
+                                    if r.startswith("regex-"):
+                                        chunk = re.sub(bytes(r[6:], encoding='utf8'), b'', chunk)
+                                    else:
+                                        chunk = chunk.replace(bytes(r, encoding='utf8'), b'')
                             fh.update(chunk)
+                    else:
+                        with open(path, 'rb') as d:
+                            for chunk in iter(lambda: d.read(4096), b""):
+                                fh.update(chunk)
                     update_hash(fh.hexdigest())
                 else:
                     update_hash(" " * len(fh.hexdigest()))
diff --git a/meta/recipes-devtools/perl/perl_5.34.0.bb b/meta/recipes-devtools/perl/perl_5.34.0.bb
index 0e0fe7f985..175db4ee31 100644
--- a/meta/recipes-devtools/perl/perl_5.34.0.bb
+++ b/meta/recipes-devtools/perl/perl_5.34.0.bb
@@ -385,3 +385,10 @@ EOF
        chmod 0755 ${SYSROOT_DESTDIR}${bindir}/nativeperl
        cat ${SYSROOT_DESTDIR}${bindir}/nativeperl
 }
+
+SSTATE_HASHEQUIV_FILEMAP = " \
+    populate_sysroot:*/lib*/perl5/*/*/Config_heavy.pl:${TMPDIR} \
+    populate_sysroot:*/lib*/perl5/*/*/Config_heavy.pl:${COREBASE} \
+    populate_sysroot:*/lib*/perl5/config.sh:${TMPDIR} \
+    populate_sysroot:*/lib*/perl5/config.sh:${COREBASE} \
+    "
diff --git a/meta/recipes-devtools/python/python3_3.9.6.bb b/meta/recipes-devtools/python/python3_3.9.6.bb
index aae7837180..d09943f891 100644
--- a/meta/recipes-devtools/python/python3_3.9.6.bb
+++ b/meta/recipes-devtools/python/python3_3.9.6.bb
@@ -195,6 +195,14 @@ do_install:append:class-nativesdk () {
 }
 
 SSTATE_SCAN_FILES += "Makefile _sysconfigdata.py"
+SSTATE_HASHEQUIV_FILEMAP = " \
+    populate_sysroot:*/lib*/python3*/_sysconfigdata*.py:${TMPDIR} \
+    populate_sysroot:*/lib*/python3*/_sysconfigdata*.py:${COREBASE} \
+    populate_sysroot:*/lib*/python3*/config-*/Makefile:${TMPDIR} \
+    populate_sysroot:*/lib*/python3*/config-*/Makefile:${COREBASE} \
+    populate_sysroot:*/lib*/python-sysconfigdata/_sysconfigdata.py:${TMPDIR} \
+    populate_sysroot:*/lib*/python-sysconfigdata/_sysconfigdata.py:${COREBASE} \
+    "
 PACKAGE_PREPROCESS_FUNCS += "py_package_preprocess"
 
 py_package_preprocess () {
diff --git a/meta/recipes-devtools/qemu/qemuwrapper-cross_1.0.bb b/meta/recipes-devtools/qemu/qemuwrapper-cross_1.0.bb
index a0448a1803..97b44ad2e5 100644
--- a/meta/recipes-devtools/qemu/qemuwrapper-cross_1.0.bb
+++ b/meta/recipes-devtools/qemu/qemuwrapper-cross_1.0.bb
@@ -18,6 +18,7 @@ do_install () {
 
         cat >> ${D}${bindir_crossscripts}/${MLPREFIX}qemuwrapper << EOF
 #!/bin/sh
+# Wrapper script to run binaries under qemu user-mode emulation
 set -x
 
 if [ ${@bb.utils.contains('MACHINE_FEATURES', 'qemu-usermode', 'True', 'False', d)} = False -a "${PN}" != "nativesdk-qemuwrapper-cross" ]; then
diff --git a/meta/recipes-devtools/rpm/rpm_4.16.1.3.bb b/meta/recipes-devtools/rpm/rpm_4.16.1.3.bb
index 60181f26c7..2ff9c2b112 100644
--- a/meta/recipes-devtools/rpm/rpm_4.16.1.3.bb
+++ b/meta/recipes-devtools/rpm/rpm_4.16.1.3.bb
@@ -195,3 +195,8 @@ rpm_package_preprocess () {
         sed -i -e 's:--sysroot[^ ]*::g' \
             ${PKGD}/${libdir}/rpm/macros
 }
+
+SSTATE_HASHEQUIV_FILEMAP = " \
+    populate_sysroot:*/rpm/macros:${TMPDIR} \
+    populate_sysroot:*/rpm/macros:${COREBASE} \
+    "