diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..8e4f784
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/firefox-102.1.0esr.source.tar.xz
diff --git a/0001-Python-Build-Use-r-instead-of-rU-file-read-modes.patch b/0001-Python-Build-Use-r-instead-of-rU-file-read-modes.patch
new file mode 100644
index 0000000..a20d39a
--- /dev/null
+++ b/0001-Python-Build-Use-r-instead-of-rU-file-read-modes.patch
@@ -0,0 +1,109 @@
+From 0e790bd2eb846e90495eb81952cf35cc7fc8766a Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Franti=C5=A1ek=20Zatloukal?= <fzatlouk@redhat.com>
+Date: Mon, 27 Jun 2022 19:55:16 +0100
+Subject: [PATCH] Python/Build: Use r instead of rU file read modes
+
+Fixes Python 3.11 build
+---
+ python/mozbuild/mozbuild/action/process_define_files.py | 2 +-
+ python/mozbuild/mozbuild/backend/base.py                | 2 +-
+ python/mozbuild/mozbuild/preprocessor.py                | 6 +++---
+ python/mozbuild/mozbuild/util.py                        | 4 ++--
+ python/mozbuild/mozpack/files.py                        | 4 ++--
+ 5 files changed, 9 insertions(+), 9 deletions(-)
+
+diff --git a/python/mozbuild/mozbuild/action/process_define_files.py b/python/mozbuild/mozbuild/action/process_define_files.py
+index f1d401a..aca59d0 100644
+--- a/python/mozbuild/mozbuild/action/process_define_files.py
++++ b/python/mozbuild/mozbuild/action/process_define_files.py
+@@ -36,7 +36,7 @@ def process_define_file(output, input):
+     ) and not config.substs.get("JS_STANDALONE"):
+         config = PartialConfigEnvironment(mozpath.join(topobjdir, "js", "src"))
+
+-    with open(path, "rU") as input:
++    with open(path, "r") as input:
+         r = re.compile(
+             "^\s*#\s*(?P<cmd>[a-z]+)(?:\s+(?P<name>\S+)(?:\s+(?P<value>\S+))?)?", re.U
+         )
+diff --git a/python/mozbuild/mozbuild/backend/base.py b/python/mozbuild/mozbuild/backend/base.py
+index 7bc1986..b64a709 100644
+--- a/python/mozbuild/mozbuild/backend/base.py
++++ b/python/mozbuild/mozbuild/backend/base.py
+@@ -272,7 +272,7 @@ class BuildBackend(LoggingMixin):
+         return status
+
+     @contextmanager
+-    def _write_file(self, path=None, fh=None, readmode="rU"):
++    def _write_file(self, path=None, fh=None, readmode="r"):
+         """Context manager to write a file.
+
+         This is a glorified wrapper around FileAvoidWrite with integration to
+diff --git a/python/mozbuild/mozbuild/preprocessor.py b/python/mozbuild/mozbuild/preprocessor.py
+index f7820b9..857f1a6 100644
+--- a/python/mozbuild/mozbuild/preprocessor.py
++++ b/python/mozbuild/mozbuild/preprocessor.py
+@@ -531,7 +531,7 @@ class Preprocessor:
+
+         if args:
+             for f in args:
+-                with io.open(f, "rU", encoding="utf-8") as input:
++                with io.open(f, "r", encoding="utf-8") as input:
+                     self.processFile(input=input, output=out)
+             if depfile:
+                 mk = Makefile()
+@@ -860,7 +860,7 @@ class Preprocessor:
+                     args = self.applyFilters(args)
+                 if not os.path.isabs(args):
+                     args = os.path.join(self.curdir, args)
+-                args = io.open(args, "rU", encoding="utf-8")
++                args = io.open(args, "r", encoding="utf-8")
+             except Preprocessor.Error:
+                 raise
+             except Exception:
+@@ -914,7 +914,7 @@ class Preprocessor:
+ def preprocess(includes=[sys.stdin], defines={}, output=sys.stdout, marker="#"):
+     pp = Preprocessor(defines=defines, marker=marker)
+     for f in includes:
+-        with io.open(f, "rU", encoding="utf-8") as input:
++        with io.open(f, "r", encoding="utf-8") as input:
+             pp.processFile(input=input, output=output)
+     return pp.includes
+
+diff --git a/python/mozbuild/mozbuild/util.py b/python/mozbuild/mozbuild/util.py
+index 071daec..b59aabb 100644
+--- a/python/mozbuild/mozbuild/util.py
++++ b/python/mozbuild/mozbuild/util.py
+@@ -236,7 +236,7 @@ class FileAvoidWrite(BytesIO):
+     still occur, as well as diff capture if requested.
+     """
+
+-    def __init__(self, filename, capture_diff=False, dry_run=False, readmode="rU"):
++    def __init__(self, filename, capture_diff=False, dry_run=False, readmode="r"):
+         BytesIO.__init__(self)
+         self.name = filename
+         assert type(capture_diff) == bool
+diff --git a/python/mozbuild/mozpack/files.py b/python/mozbuild/mozpack/files.py
+index 8150e72..001c497 100644
+--- a/python/mozbuild/mozpack/files.py
++++ b/python/mozbuild/mozpack/files.py
+@@ -554,7 +554,7 @@ class PreprocessedFile(BaseFile):
+         pp = Preprocessor(defines=self.defines, marker=self.marker)
+         pp.setSilenceDirectiveWarnings(self.silence_missing_directive_warnings)
+
+-        with _open(self.path, "rU") as input:
++        with _open(self.path, "r") as input:
+             with _open(os.devnull, "w") as output:
+                 pp.processFile(input=input, output=output)
+
+@@ -611,7 +611,7 @@ class PreprocessedFile(BaseFile):
+         pp = Preprocessor(defines=self.defines, marker=self.marker)
+         pp.setSilenceDirectiveWarnings(self.silence_missing_directive_warnings)
+
+-        with _open(self.path, "rU") as input:
++        with _open(self.path, "r") as input:
+             pp.processFile(input=input, output=dest, depfile=deps_out)
+
+         dest.close()
+--
+2.36.1
+
diff --git a/0001-Skip-failing-tests-on-ppc64-and-s390x.patch b/0001-Skip-failing-tests-on-ppc64-and-s390x.patch
new file mode 100644
index 0000000..5c28664
--- /dev/null
+++ b/0001-Skip-failing-tests-on-ppc64-and-s390x.patch
@@ -0,0 +1,36 @@
+From db3a0a25b97377b388532b23e73a10d246f66496 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Franti=C5=A1ek=20Zatloukal?= <fzatlouk@redhat.com>
+Date: Mon, 3 Aug 2020 10:27:00 +0200
+Subject: [PATCH] Skip failing tests on ppc64 and s390x
+
+ppc64 and s390x: non262/extensions/clone-errors.js
+s390x: test262/built-ins/TypedArray/prototype/set/typedarray-arg-set-values-same-buffer-other-type.js
+s390x, ppc64 and aarch64: test262/built-ins/Date/UTC/fp-evaluation-order.js
+---
+ js/src/tests/jstests.list | 9 +++++++++
+ 1 file changed, 9 insertions(+)
+
+diff --git a/js/src/tests/jstests.list b/js/src/tests/jstests.list
+index 73ce42f..1797646 100644
+--- a/js/src/tests/jstests.list
++++ b/js/src/tests/jstests.list
+@@ -53,6 +53,15 @@ skip-if(!this.hasOwnProperty("Intl")) include test262/intl402/jstests.list
+ skip-if(!this.hasOwnProperty("Atomics")) include test262/built-ins/Atomics/jstests.list
+ skip-if(!this.hasOwnProperty("SharedArrayBuffer")) include test262/built-ins/SharedArrayBuffer/jstests.list
+
++# Crashes on s390x and ppc64, avoid it
++skip-if(xulRuntime.XPCOMABI.match(/s390x|ppc64-/)) script non262/extensions/clone-errors.js
++
++# Crashes on s390x, ppc64, aarch64
++skip-if(xulRuntime.XPCOMABI.match(/s390x|aarch64|ppc64-/)) script test262/built-ins/Date/UTC/fp-evaluation-order.js
++
++# Crashes on s390x, avoid it
++skip-if(xulRuntime.XPCOMABI.match(/s390x/)) script test262/built-ins/TypedArray/prototype/set/typedarray-arg-set-values-same-buffer-other-type.js
++
+ #####################################
+ # Test262 tests disabled on browser #
+ #####################################
+--
+2.31.1
+
+
diff --git a/D152549.diff b/D152549.diff
new file mode 100644
index 0000000..3bd15d2
--- /dev/null
+++ b/D152549.diff
@@ -0,0 +1,18 @@
+diff --git a/js/src/build/Makefile.in b/js/src/build/Makefile.in
+--- a/js/src/build/Makefile.in
++++ b/js/src/build/Makefile.in
+@@ -29,10 +29,13 @@
+ 	$(SYSINSTALL) $(JS_LIBRARY_NAME).pc $(DESTDIR)$(libdir)/pkgconfig
+ 
+ install:: ../js-config.h
+ 	$(SYSINSTALL) $^ $(DESTDIR)$(includedir)/$(JS_LIBRARY_NAME)
+ 
++install:: ../../../mozglue/baseprofiler/public/ProfilingCategoryList.h
++	$(SYSINSTALL) $^ $(DESTDIR)$(includedir)/$(JS_LIBRARY_NAME)/js
++
+ ######################################################
+ # BEGIN SpiderMonkey header installation
+ #
+ # Mozilla/Gecko/Firefox mostly doesn't concern itself with defining a sensible
+ # install target, because it's shipping primarily packaged builds.  And even if
+
diff --git a/D152556.diff b/D152556.diff
new file mode 100644
index 0000000..039c815
--- /dev/null
+++ b/D152556.diff
@@ -0,0 +1,17 @@
+diff --git a/js/public/Debug.h b/js/public/Debug.h
+--- a/js/public/Debug.h
++++ b/js/public/Debug.h
+@@ -137,11 +137,11 @@
+   js::Debugger* debugger;
+ 
+   // Check that |thing| is in the same compartment as our debuggerObject. Used
+   // for assertions when constructing BuiltThings. We can overload this as we
+   // add more instantiations of BuiltThing.
+-#if DEBUG
++#ifdef DEBUG
+   void assertBuilt(JSObject* obj);
+ #else
+   void assertBuilt(JSObject* obj) {}
+ #endif
+ 
+
diff --git a/copy-headers.patch b/copy-headers.patch
new file mode 100644
index 0000000..dfddcfa
--- /dev/null
+++ b/copy-headers.patch
@@ -0,0 +1,38 @@
+From 3b3c8e37cca418e07bdeceaf3a601805df28d925 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Franti=C5=A1ek=20Zatloukal?= <fzatlouk@redhat.com>
+Date: Wed, 15 Jul 2020 08:27:39 +0200
+Subject: [PATCH] build: Copy headers on install instead of symlinking
+
+Patch by Philip Chimento ported forward to mozjs78
+---
+ python/mozbuild/mozbuild/backend/recursivemake.py | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/python/mozbuild/mozbuild/backend/recursivemake.py b/python/mozbuild/mozbuild/backend/recursivemake.py
+index 858d4d4..8c229e8 100644
+--- a/python/mozbuild/mozbuild/backend/recursivemake.py
++++ b/python/mozbuild/mozbuild/backend/recursivemake.py
+@@ -1533,9 +1533,9 @@ class RecursiveMakeBackend(MakeBackend):
+                                     " of srcdir-relative or absolute paths."
+                                 )
+
+-                            install_manifest.add_pattern_link(basepath, wild, dest_dir)
++                            install_manifest.add_pattern_copy(basepath, wild, dest_dir)
+                         else:
+-                            install_manifest.add_pattern_link(f.srcdir, f, dest_dir)
++                            install_manifest.add_pattern_copy(f.srcdir, f, dest_dir)
+                     elif isinstance(f, AbsolutePath):
+                         if not f.full_path.lower().endswith((".dll", ".pdb", ".so")):
+                             raise Exception(
+@@ -1546,7 +1546,7 @@ class RecursiveMakeBackend(MakeBackend):
+                         install_manifest.add_optional_exists(dest_file)
+                         absolute_files.append(f.full_path)
+                     else:
+-                        install_manifest.add_link(f.full_path, dest_file)
++                        install_manifest.add_copy(f.full_path, dest_file)
+                 else:
+                     install_manifest.add_optional_exists(dest_file)
+                     objdir_files.append(self._pretty_path(f, backend_file))
+--
+2.37.1
+
diff --git a/emitter.patch b/emitter.patch
new file mode 100644
index 0000000..8d5aafb
--- /dev/null
+++ b/emitter.patch
@@ -0,0 +1,67 @@
+From d1d785c169345b81c76213f6dd9be32b4db60294 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Franti=C5=A1ek=20Zatloukal?= <fzatlouk@redhat.com>
+Date: Wed, 15 Jul 2020 08:39:47 +0200
+Subject: [PATCH] Build: allow LOCAL_INCLUDES paths with topsrcdir or topobjdir
+
+---
+ python/mozbuild/mozbuild/frontend/emitter.py  | 10 ---------
+ .../mozbuild/test/frontend/test_emitter.py    | 22 -------------------
+ 2 files changed, 32 deletions(-)
+
+diff --git a/python/mozbuild/mozbuild/frontend/emitter.py b/python/mozbuild/mozbuild/frontend/emitter.py
+index 0b7ccef..a3c7f2f 100644
+--- a/python/mozbuild/mozbuild/frontend/emitter.py
++++ b/python/mozbuild/mozbuild/frontend/emitter.py
+@@ -1365,16 +1365,6 @@ class TreeMetadataEmitter(LoggingMixin):
+                         "(resolved to %s)" % (local_include, full_path),
+                         context,
+                     )
+-            if (
+-                full_path == context.config.topsrcdir
+-                or full_path == context.config.topobjdir
+-            ):
+-                raise SandboxValidationError(
+-                    "Path specified in LOCAL_INCLUDES "
+-                    "(%s) resolves to the topsrcdir or topobjdir (%s), which is "
+-                    "not allowed" % (local_include, full_path),
+-                    context,
+-                )
+             include_obj = LocalInclude(context, local_include)
+             local_includes.append(include_obj.path.full_path)
+             yield include_obj
+diff --git a/python/mozbuild/mozbuild/test/frontend/test_emitter.py b/python/mozbuild/mozbuild/test/frontend/test_emitter.py
+index 99507fc..821de22 100644
+--- a/python/mozbuild/mozbuild/test/frontend/test_emitter.py
++++ b/python/mozbuild/mozbuild/test/frontend/test_emitter.py
+@@ -1076,28 +1076,6 @@ class TestEmitterBasic(unittest.TestCase):
+
+         self.assertEqual(local_includes, expected)
+
+-    def test_local_includes_invalid(self):
+-        """Test that invalid LOCAL_INCLUDES are properly detected."""
+-        reader = self.reader("local_includes-invalid/srcdir")
+-
+-        with six.assertRaisesRegex(
+-            self,
+-            SandboxValidationError,
+-            "Path specified in LOCAL_INCLUDES.*resolves to the "
+-            "topsrcdir or topobjdir",
+-        ):
+-            self.read_topsrcdir(reader)
+-
+-        reader = self.reader("local_includes-invalid/objdir")
+-
+-        with six.assertRaisesRegex(
+-            self,
+-            SandboxValidationError,
+-            "Path specified in LOCAL_INCLUDES.*resolves to the "
+-            "topsrcdir or topobjdir",
+-        ):
+-            self.read_topsrcdir(reader)
+-
+     def test_local_includes_file(self):
+         """Test that a filename can't be used in LOCAL_INCLUDES."""
+         reader = self.reader("local_includes-filename")
+--
+2.37.1
+
diff --git a/fix-soname.patch b/fix-soname.patch
new file mode 100644
index 0000000..8323264
--- /dev/null
+++ b/fix-soname.patch
@@ -0,0 +1,26 @@
+From d21c7cb9343d8c495d987e71be0f35887574c820 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Franti=C5=A1ek=20Zatloukal?= <fzatlouk@redhat.com>
+Date: Wed, 15 Jul 2020 08:21:47 +0200
+Subject: [PATCH] Add soname switch to linker, regardless of Operating System
+
+Fix backported from Debian: http://bugs.debian.org/746705
+---
+ config/rules.mk | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/config/rules.mk b/config/rules.mk
+index 90a9946..dc87789 100644
+--- a/config/rules.mk
++++ b/config/rules.mk
+@@ -291,6 +291,8 @@ ifeq ($(OS_ARCH),GNU)
+ OS_CPPFLAGS += -DPATH_MAX=1024 -DMAXPATHLEN=1024
+ endif
+
++EXTRA_DSO_LDOPTS += -Wl,-soname,lib$(JS_LIBRARY_NAME).so.0
++
+ #
+ # MINGW32
+ #
+--
+2.37.1
+
diff --git a/icu_sources_data-Write-command-output-to-our-stderr.patch b/icu_sources_data-Write-command-output-to-our-stderr.patch
new file mode 100644
index 0000000..8468425
--- /dev/null
+++ b/icu_sources_data-Write-command-output-to-our-stderr.patch
@@ -0,0 +1,44 @@
+From: Simon McVittie <smcv@debian.org>
+Date: Mon, 9 Oct 2017 09:23:14 +0100
+Subject: icu_sources_data: Write command output to our stderr
+
+Saying "See output in /tmp/foobar" is all very well for a developer
+build, but on a buildd our /tmp is going to get thrown away after
+the build. Just log the usual way instead.
+---
+ intl/icu_sources_data.py | 16 ++++------------
+ 1 file changed, 4 insertions(+), 12 deletions(-)
+
+diff --git a/intl/icu_sources_data.py b/intl/icu_sources_data.py
+index 4db52af..d62960d 100644
+--- a/intl/icu_sources_data.py
++++ b/intl/icu_sources_data.py
+@@ -188,21 +188,13 @@ def update_sources(topsrcdir):
+
+ def try_run(name, command, cwd=None, **kwargs):
+     try:
+-        with tempfile.NamedTemporaryFile(prefix=name, delete=False) as f:
+-            subprocess.check_call(
+-                command, cwd=cwd, stdout=f, stderr=subprocess.STDOUT, **kwargs
+-            )
+-    except subprocess.CalledProcessError:
+-        print(
+-            """Error running "{}" in directory {}
+-    See output in {}""".format(
+-                " ".join(command), cwd, f.name
+-            ),
+-            file=sys.stderr,
++        subprocess.check_call(
++            command, cwd=cwd, stdout=sys.stderr, stderr=subprocess.STDOUT, **kwargs
+         )
++    except subprocess.CalledProcessError:
++        print('''Error running "{}" in directory {}'''.format(' '.join(command), cwd), file=sys.stderr)
+         return False
+     else:
+-        os.unlink(f.name)
+         return True
+
+
+--
+2.31.1
+
diff --git a/icu_sources_data.py-Decouple-from-Mozilla-build-system.patch b/icu_sources_data.py-Decouple-from-Mozilla-build-system.patch
new file mode 100644
index 0000000..8572c21
--- /dev/null
+++ b/icu_sources_data.py-Decouple-from-Mozilla-build-system.patch
@@ -0,0 +1,29 @@
+From: Simon McVittie <smcv@debian.org>
+Date: Mon, 9 Oct 2017 09:22:12 +0100
+Subject: icu_sources_data.py: Decouple from Mozilla build system
+
+mozpack.path is a wrapper around os.path that normalizes path
+separators on Windows, but on Unix we only have one path separator
+so there's nothing to normalize. Avoid needing to import all of it.
+---
+ intl/icu_sources_data.py | 4 +++-
+ 1 file changed, 3 insertions(+), 1 deletion(-)
+
+diff --git a/intl/icu_sources_data.py b/intl/icu_sources_data.py
+index 2936df9..4db52af 100644
+--- a/intl/icu_sources_data.py
++++ b/intl/icu_sources_data.py
+@@ -21,7 +21,9 @@ import subprocess
+ import sys
+ import tempfile
+
+-from mozpack import path as mozpath
++# Close enough
++import os.path as mozpath
++mozpath.normsep = lambda p: p
+
+ # The following files have been determined to be dead/unused by a
+ # semi-automated analysis. You can just remove any of the files below
+--
+2.31.1
+
diff --git a/init_patch.patch b/init_patch.patch
new file mode 100644
index 0000000..28ed1d3
--- /dev/null
+++ b/init_patch.patch
@@ -0,0 +1,28 @@
+From 00414eb67ab0591911167155963b5524fbf2b0c0 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Franti=C5=A1ek=20Zatloukal?= <fzatlouk@redhat.com>
+Date: Mon, 9 Aug 2021 14:38:58 +0200
+Subject: [PATCH] Don't throw InvalidOptionError on invalid options
+
+---
+ python/mozbuild/mozbuild/configure/__init__.py | 5 +----
+ 1 file changed, 1 insertion(+), 4 deletions(-)
+
+diff --git a/python/mozbuild/mozbuild/configure/__init__.py b/python/mozbuild/mozbuild/configure/__init__.py
+index f3167f6..c9e1132 100644
+--- a/python/mozbuild/mozbuild/configure/__init__.py
++++ b/python/mozbuild/mozbuild/configure/__init__.py
+@@ -557,10 +557,7 @@ class ConfigureSandbox(dict):
+         for arg in self._helper:
+             without_value = arg.split("=", 1)[0]
+             msg = "Unknown option: %s" % without_value
+-            if self._help:
+-                self._logger.warning(msg)
+-            else:
+-                raise InvalidOptionError(msg)
++            self._logger.warning(msg)
+
+         # Run the execution queue
+         for func, args in self._execution_queue:
+--
+2.31.1
+
diff --git a/known_failures.txt b/known_failures.txt
new file mode 100644
index 0000000..027ceff
--- /dev/null
+++ b/known_failures.txt
@@ -0,0 +1,12 @@
+non262/Intl/available-locales-resolved.js
+non262/Intl/available-locales-supported.js
+non262/Intl/DateTimeFormat/fractional-second-digits-append-item.js
+non262/Intl/DateTimeFormat/tz-environment-variable.js
+non262/Intl/DateTimeFormat/day-period-hour-cycle.js
+non262/Intl/DateTimeFormat/timeZone_version.js
+non262/Date/toString-localized.js
+non262/Date/reset-time-zone-cache-same-offset.js
+non262/Date/time-zones-imported.js
+non262/Date/time-zones-historic.js
+non262/Date/toString-localized-posix.js
+non262/Date/time-zone-path.js
diff --git a/mozjs102.spec b/mozjs102.spec
new file mode 100644
index 0000000..4b73a25
--- /dev/null
+++ b/mozjs102.spec
@@ -0,0 +1,233 @@
+%global major 102
+
+# LTO - Enable in Release builds, but consider disabling for development as it increases compile time
+%global build_with_lto    1
+
+# Require tests to pass?
+%global require_tests     1
+
+%if 0%{?build_with_lto}
+# LTO is the default
+%else
+%define _lto_cflags %{nil}
+%endif
+
+# Big endian platforms
+%ifarch ppc ppc64 s390 s390x
+%global big_endian 1
+%endif
+
+Name:           mozjs%{major}
+Version:        102.1.0
+Release:        1%{?dist}
+Summary:        SpiderMonkey JavaScript library
+
+License:        MPL-2.0 AND Apache-2.0 AND BSD-3-Clause AND BSD-2-Clause AND MIT AND GPL-3.0-or-later
+URL:            https://developer.mozilla.org/en-US/docs/Mozilla/Projects/SpiderMonkey
+Source0:        https://ftp.mozilla.org/pub/firefox/releases/%{version}esr/source/firefox-%{version}esr.source.tar.xz
+
+# Known failures with system libicu
+Source1:        known_failures.txt
+
+# Patches from mozjs68, rebased for mozjs78:
+Patch01:        fix-soname.patch
+Patch02:        copy-headers.patch
+Patch03:        tests-increase-timeout.patch
+Patch09:        icu_sources_data.py-Decouple-from-Mozilla-build-system.patch
+Patch10:        icu_sources_data-Write-command-output-to-our-stderr.patch
+
+# Build fixes - https://hg.mozilla.org/mozilla-central/rev/ca36a6c4f8a4a0ddaa033fdbe20836d87bbfb873
+Patch12:        emitter.patch
+Patch13:        tests-Use-native-TemporaryDirectory.patch
+
+# Build fixes
+Patch14:        init_patch.patch
+Patch15:        remove-sloppy-m4-detection-from-bundled-autoconf.patch
+Patch16:        0001-Python-Build-Use-r-instead-of-rU-file-read-modes.patch
+# These two should get uplifted into the next esr
+Patch17:        D152556.diff
+Patch18:        D152549.diff
+
+# TODO: Check with mozilla for cause of these fails and re-enable spidermonkey compile time checks if needed
+Patch20:        spidermonkey_checks_disable.patch
+
+# s390x/ppc64 fixes
+Patch21:        0001-Skip-failing-tests-on-ppc64-and-s390x.patch
+
+BuildRequires:  cargo
+BuildRequires:  ccache
+BuildRequires:  clang-devel
+BuildRequires:  gcc
+BuildRequires:  gcc-c++
+BuildRequires:  m4
+BuildRequires:  make
+%if !0%{?rhel}
+BuildRequires:  nasm
+%endif
+BuildRequires:  libicu-devel
+BuildRequires:  llvm
+BuildRequires:  rust
+BuildRequires:  rustfmt
+BuildRequires:  perl-devel
+BuildRequires:  pkgconfig(libffi)
+BuildRequires:  pkgconfig(zlib)
+BuildRequires:  python3-devel
+BuildRequires:  python3-setuptools
+BuildRequires:  python3-six
+BuildRequires:  readline-devel
+BuildRequires:  wget
+BuildRequires:  zip
+
+%description
+SpiderMonkey is the code-name for Mozilla Firefox's C++ implementation of
+JavaScript. It is intended to be embedded in other applications
+that provide host environments for JavaScript.
+
+%package        devel
+Summary:        Development files for %{name}
+Requires:       %{name}%{?_isa} = %{version}-%{release}
+
+%description    devel
+The %{name}-devel package contains libraries and header files for
+developing applications that use %{name}.
+
+%prep
+%autosetup -n firefox-%{version}/js/src -N
+
+pushd ../..
+%autopatch -p1
+
+# Copy out the LICENSE file
+cp LICENSE js/src/
+
+# Copy out file containing known test failures with system libicu
+cp %{SOURCE1} js/src/
+
+# Remove zlib directory (to be sure using system version)
+rm -rf modules/zlib
+
+# Remove unneeded bundled stuff
+rm -rf js/src/devtools/automation/variants/
+rm -rf js/src/octane/
+rm -rf js/src/ctypes/libffi/
+
+popd
+
+%build
+%if 0%{?build_with_lto}
+# https://github.com/ptomato/mozjs/commit/36bb7982b41e0ef9a65f7174252ab996cd6777bd
+export CARGO_PROFILE_RELEASE_LTO=true
+%endif
+
+# Use bundled autoconf
+export M4=m4
+export AWK=awk
+export AC_MACRODIR=/builddir/build/BUILD/firefox-%{version}/build/autoconf/
+
+sh ../../build/autoconf/autoconf.sh --localdir=/builddir/build/BUILD/firefox-%{version}/js/src configure.in > configure
+chmod +x configure
+
+%configure \
+  --with-system-icu \
+  --with-system-zlib \
+  --disable-tests \
+  --disable-strip \
+  --with-intl-api \
+  --enable-readline \
+  --enable-shared-js \
+  --enable-optimize \
+  --disable-debug \
+  --enable-pie \
+  --disable-jemalloc
+
+%make_build
+
+%install
+%make_install
+
+# Fix permissions
+chmod -x %{buildroot}%{_libdir}/pkgconfig/*.pc
+
+# Avoid multilib conflicts
+case `uname -i` in
+  i386 | ppc | s390 | sparc )
+    wordsize="32"
+    ;;
+  x86_64 | ppc64 | s390x | sparc64 )
+    wordsize="64"
+    ;;
+  *)
+    wordsize=""
+    ;;
+esac
+
+if test -n "$wordsize"
+then
+  mv %{buildroot}%{_includedir}/mozjs-%{major}/js-config.h \
+     %{buildroot}%{_includedir}/mozjs-%{major}/js-config-$wordsize.h
+
+  cat >%{buildroot}%{_includedir}/mozjs-%{major}/js-config.h <<EOF
+#ifndef JS_CONFIG_H_MULTILIB
+#define JS_CONFIG_H_MULTILIB
+
+#include <bits/wordsize.h>
+
+#if __WORDSIZE == 32
+# include "js-config-32.h"
+#elif __WORDSIZE == 64
+# include "js-config-64.h"
+#else
+# error "unexpected value for __WORDSIZE macro"
+#endif
+
+#endif
+EOF
+
+fi
+
+# Remove unneeded files
+rm %{buildroot}%{_bindir}/js%{major}-config
+rm %{buildroot}%{_libdir}/libjs_static.ajs
+
+# Rename library and create symlinks, following fix-soname.patch
+mv %{buildroot}%{_libdir}/libmozjs-%{major}.so \
+   %{buildroot}%{_libdir}/libmozjs-%{major}.so.0.0.0
+ln -s libmozjs-%{major}.so.0.0.0 %{buildroot}%{_libdir}/libmozjs-%{major}.so.0
+ln -s libmozjs-%{major}.so.0 %{buildroot}%{_libdir}/libmozjs-%{major}.so
+
+%check
+# Run SpiderMonkey tests
+%if 0%{?require_tests}
+%{python3} tests/jstests.py -d -s -t 2400 --exclude-file=known_failures.txt --no-progress --wpt=disabled ../../js/src/dist/bin/js%{major}
+%else
+%{python3} tests/jstests.py -d -s -t 2400 --exclude-file=known_failures.txt --no-progress --wpt=disabled ../../js/src/dist/bin/js%{major} || :
+%endif
+
+# Run basic JIT tests
+%if 0%{?require_tests}
+
+# large-arraybuffers/basic.js fails on s390x
+%ifarch s390 s390x
+%{python3} jit-test/jit_test.py -s -t 2400 --no-progress -x large-arraybuffers/basic.js ../../js/src/dist/bin/js%{major} basic
+%else
+%{python3} jit-test/jit_test.py -s -t 2400 --no-progress ../../js/src/dist/bin/js%{major} basic
+%endif
+
+%else
+%{python3} jit-test/jit_test.py -s -t 2400 --no-progress ../../js/src/dist/bin/js%{major} basic || :
+%endif
+
+%files
+%doc README.html
+%license LICENSE
+%{_libdir}/libmozjs-%{major}.so.0*
+
+%files devel
+%{_bindir}/js%{major}
+%{_libdir}/libmozjs-%{major}.so
+%{_libdir}/pkgconfig/*.pc
+%{_includedir}/mozjs-%{major}/
+
+%changelog
+* Wed Jul 27 2022 Frantisek Zatloukal <fzatlouk@redhat.com> - 102.1.0-1
+- Initial mozjs102 package based on mozjs91
diff --git a/remove-sloppy-m4-detection-from-bundled-autoconf.patch b/remove-sloppy-m4-detection-from-bundled-autoconf.patch
new file mode 100644
index 0000000..10b8b16
--- /dev/null
+++ b/remove-sloppy-m4-detection-from-bundled-autoconf.patch
@@ -0,0 +1,29 @@
+From 2d99a7b076578a3394fb9d5be6eb44f9cfebc681 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Franti=C5=A1ek=20Zatloukal?= <fzatlouk@redhat.com>
+Date: Mon, 9 Aug 2021 16:15:37 +0200
+Subject: [PATCH] Remove sloppy m4 detection from bundled autoconf
+
+---
+ build/autoconf/autoconf.sh | 6 ------
+ 1 file changed, 6 deletions(-)
+
+diff --git a/build/autoconf/autoconf.sh b/build/autoconf/autoconf.sh
+index ceb8a25..606c74e 100644
+--- a/build/autoconf/autoconf.sh
++++ b/build/autoconf/autoconf.sh
+@@ -114,12 +114,6 @@ fi
+ 
+ # Use the frozen version of Autoconf if available.
+ r= f=
+-# Some non-GNU m4's don't reject the --help option, so give them /dev/null.
+-case `$M4 --help < /dev/null 2>&1` in
+-*reload-state*) test -r $AC_MACRODIR/autoconf.m4f && { r=--reload f=f; } ;;
+-*traditional*) ;;
+-*) echo Autoconf requires GNU m4 1.1 or later >&2; rm -f $tmpin; exit 1 ;;
+-esac
+ 
+ $M4 -I$AC_MACRODIR $use_localdir $r autoconf.m4$f $infile > $tmpout ||
+   { rm -f $tmpin $tmpout; exit 2; }
+-- 
+2.31.1
+
diff --git a/sources b/sources
new file mode 100644
index 0000000..4045972
--- /dev/null
+++ b/sources
@@ -0,0 +1 @@
+SHA512 (firefox-102.1.0esr.source.tar.xz) = 2505b87ce4115445568eb6b7d8af41678bd787fd07f3f79e9f0a22d90cdf752ae5d4371856cf9c56e2d9da7d5b7c3939dc2aab5753fcc017398e7d65260f6f03
diff --git a/spidermonkey_checks_disable.patch b/spidermonkey_checks_disable.patch
new file mode 100644
index 0000000..451d3ee
--- /dev/null
+++ b/spidermonkey_checks_disable.patch
@@ -0,0 +1,22 @@
+From 6ebe8ce6a3267c96454de3cd453269b4c4053a3e Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Franti=C5=A1ek=20Zatloukal?= <fzatlouk@redhat.com>
+Date: Mon, 9 Aug 2021 14:41:14 +0200
+Subject: [PATCH] Don't die on SpiderMonkey checks
+
+---
+ config/run_spidermonkey_checks.py | 2 --
+ 1 file changed, 2 deletions(-)
+
+diff --git a/config/run_spidermonkey_checks.py b/config/run_spidermonkey_checks.py
+index 0f842d9..b49db52 100644
+--- a/config/run_spidermonkey_checks.py
++++ b/config/run_spidermonkey_checks.py
+@@ -11,5 +11,3 @@ import sys
+ def main(output, lib_file, *scripts):
+     for script in scripts:
+         retcode = subprocess.call([sys.executable, script], cwd=buildconfig.topsrcdir)
+-        if retcode != 0:
+-            raise Exception(script + " failed")
+--
+2.31.1
+
diff --git a/tests-Use-native-TemporaryDirectory.patch b/tests-Use-native-TemporaryDirectory.patch
new file mode 100644
index 0000000..054685c
--- /dev/null
+++ b/tests-Use-native-TemporaryDirectory.patch
@@ -0,0 +1,66 @@
+From 1af9fdd2124547099eb0cf5a71b513ef5592dbf9 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Franti=C5=A1ek=20Zatloukal?= <fzatlouk@redhat.com>
+Date: Tue, 10 Aug 2021 00:00:50 +0200
+Subject: [PATCH] Tests: Use native TemporaryDirectory
+
+Without ugly wrapper for Py < 3.2 that doesn't work half of the times...
+---
+ js/src/jit-test/jit_test.py  |  2 +-
+ js/src/tests/jstests.py      |  2 +-
+ js/src/tests/lib/tempfile.py | 17 +----------------
+ 3 files changed, 3 insertions(+), 18 deletions(-)
+
+diff --git a/js/src/jit-test/jit_test.py b/js/src/jit-test/jit_test.py
+index f5d7794..8d443aa 100755
+--- a/js/src/jit-test/jit_test.py
++++ b/js/src/jit-test/jit_test.py
+@@ -38,7 +38,7 @@ from lib.tests import (
+     get_environment_overlay,
+     change_env,
+ )
+-from lib.tempfile import TemporaryDirectory
++from tempfile import TemporaryDirectory
+
+
+ def which(name):
+diff --git a/js/src/tests/jstests.py b/js/src/tests/jstests.py
+index 6fa2f5f..53ceff6 100755
+--- a/js/src/tests/jstests.py
++++ b/js/src/tests/jstests.py
+@@ -37,7 +37,7 @@ from lib.tests import (
+ from lib.results import ResultsSink, TestOutput
+ from lib.progressbar import ProgressBar
+ from lib.adaptor import xdr_annotate
+-from lib.tempfile import TemporaryDirectory
++from tempfile import TemporaryDirectory
+
+ if sys.platform.startswith("linux") or sys.platform.startswith("darwin"):
+     from lib.tasks_unix import run_all_tests
+diff --git a/js/src/tests/lib/tempfile.py b/js/src/tests/lib/tempfile.py
+index ecc21c9..f0a1fa3 100644
+--- a/js/src/tests/lib/tempfile.py
++++ b/js/src/tests/lib/tempfile.py
+@@ -2,19 +2,4 @@
+ # License, v. 2.0. If a copy of the MPL was not distributed with this
+ # file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ from __future__ import absolute_import
+-
+-try:
+-    # Python 3.2
+-    from tempfile import TemporaryDirectory
+-except ImportError:
+-    import tempfile
+-    import shutil
+-    from contextlib import contextmanager
+-
+-    @contextmanager
+-    def TemporaryDirectory(*args, **kwds):
+-        d = tempfile.mkdtemp(*args, **kwds)
+-        try:
+-            yield d
+-        finally:
+-            shutil.rmtree(d)
++from tempfile import TemporaryDirectory
+--
+2.31.1
+
diff --git a/tests-increase-timeout.patch b/tests-increase-timeout.patch
new file mode 100644
index 0000000..2ba725c
--- /dev/null
+++ b/tests-increase-timeout.patch
@@ -0,0 +1,26 @@
+From 9be85b155c6df0454c5faef9e850f572c99e3615 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Franti=C5=A1ek=20Zatloukal?= <fzatlouk@redhat.com>
+Date: Wed, 15 Jul 2020 08:32:44 +0200
+Subject: [PATCH] Increase the test timeout for slower buildds
+
+Ported forward from Debian: https://bugs.debian.org/878284
+---
+ js/src/Makefile.in | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/js/src/Makefile.in b/js/src/Makefile.in
+index 6daed72..16db2de 100644
+--- a/js/src/Makefile.in
++++ b/js/src/Makefile.in
+@@ -53,7 +53,7 @@ check:: check-js-msg
+
+ check-jstests:
+ 	$(wildcard $(RUN_TEST_PROGRAM)) $(PYTHON3) -u $(srcdir)/tests/jstests.py \
+-		--no-progress --format=automation --timeout 300 \
++		--no-progress --format=automation --timeout 600 \
+ 		$(JSTESTS_EXTRA_ARGS) \
+ 		$(DIST)/bin/js$(BIN_SUFFIX)
+
+--
+2.37.1
+