Drop mozjs support

It has been decided that 125 is the last polkit release with mozjs
support.  As the person who had been attempting to keep the support,
end it personally.

.github/workflows/ci.sh

@@ -14,15 +14,13 @@ set -o pipefail
 #         requires another set of tweaks to the environment
 
 PHASE="${1:?}"
-JS_ENGINE="${2:?}"
 COMMON_BUILD_OPTS=(
     -Dauthfw=pam
     -Dexamples=true
     -Dgtk_doc=true
     -Dintrospection=true
     -Dsession_tracking=logind
     -Dtests=true
-    -Djs_engine="$JS_ENGINE"
 )
 
 if [[ "$PHASE" =~ ^CLANG_ ]]; then

.github/workflows/ci.yml

@@ -20,13 +20,12 @@ jobs:
       image: registry.fedoraproject.org/fedora:latest
       options: "--privileged"
     concurrency:
-      group: ${{ github.workflow }}-${{ github.ref }}-${{ matrix.phase }}-${{ matrix.js_engine }}
+      group: ${{ github.workflow }}-${{ github.ref }}-${{ matrix.phase }}
       cancel-in-progress: true
     strategy:
       fail-fast: false
       matrix:
         phase: [BUILD_GCC, GCC, GCC_ASAN_UBSAN, BUILD_CLANG, CLANG]
-        js_engine: [mozjs, duktape]
     steps:
       - name: Repository checkout
         uses: actions/checkout@v4
@@ -37,4 +36,4 @@ jobs:
           sudo dnf builddep -y polkit
 
       - name: Build & test
-        run: sudo --preserve-env=GITHUB_ACTIONS,CI .github/workflows/ci.sh ${{ matrix.phase }} ${{ matrix.js_engine }}
+        run: sudo --preserve-env=GITHUB_ACTIONS,CI .github/workflows/ci.sh ${{ matrix.phase }}

docs/man/polkit.xml

@@ -636,12 +636,10 @@ polkit.Result = {
       </para>
 
       <para>
-        If user-provided code takes a long time to execute, an exception
-        will be thrown which normally results in the function being
-        terminated (the current limit is 15 seconds). This is used to
-        catch runaway scripts. If the duktape JavaScript backend is
-        compiled in, instead of mozjs, no exception will be thrown—the
-        script will be killed right away (same timeout).
+        If user-provided code takes a long time to execute, no exception
+        will be thrown and the script will be killed right away (the
+        current limit is 15 seconds). This is used to catch runaway
+        scripts.
       </para>
 
       <para>

meson.build

@@ -123,17 +123,12 @@ gobject_dep = dependency('gobject-2.0', version: glib_req_version)
 
 duktape_req_version = '>= 2.2.0'
 
-js_engine = get_option('js_engine')
 libs_only = get_option('libs-only')
-if libs_only
-  js_engine = ''
-else
+if not libs_only
   expat_dep = dependency('expat')
   assert(cc.has_header('expat.h', dependencies: expat_dep), 'Can\'t find expat.h. Please install expat.')
   assert(cc.has_function('XML_ParserCreate', dependencies: expat_dep), 'Can\'t find expat library. Please install expat.')
-endif
 
-if js_engine == 'duktape'
   js_dep = dependency('duktape', version: duktape_req_version, required: false)
   if not js_dep.found()
     message('Falling back to looking for library and header...')
@@ -143,13 +138,6 @@ if js_engine == 'duktape'
   thread_dep = dependency('threads')
   func = 'pthread_condattr_setclock'
   config_data.set('HAVE_' + func.to_upper(), cc.has_function(func, prefix : '#include <pthread.h>'))
-elif js_engine == 'mozjs'
-  js_dep = dependency('mozjs-115')
-
-  _system = host_machine.system().to_lower()
-  if _system.contains('freebsd')
-    config_data.set('__BSD_VISIBLE', 1)
-  endif
 endif
 
 dbus_dep = dependency('dbus-1', required: false)
@@ -412,7 +400,6 @@ output += '        polkitd user:             ' + polkitd_user + ' \n'
 if polkitd_uid != '-'
   output += '        polkitd UID:              ' + polkitd_uid + ' \n'
 endif
-output += '        Javascript engine:        ' + js_engine + '\n'
 output += '        PAM support:              ' + enable_pam.to_string() + '\n\n'
 if libs_only
   output += '    !!! Only building polkit libraries, not polkitd !!!\n\n'

meson_options.txt

@@ -19,4 +19,3 @@ option('introspection', type: 'boolean', value: true, description: 'Enable intro
 
 option('gtk_doc', type: 'boolean', value: false, description: 'use gtk-doc to build documentation')
 option('man', type: 'boolean', value: false, description: 'build manual pages')
-option('js_engine', type: 'combo', choices: ['mozjs', 'duktape'], value: 'duktape', description: 'javascript engine')

src/polkitbackend/meson.build

@@ -31,14 +31,9 @@ c_flags = [
   '-DPACKAGE_SYSCONF_DIR="@0@"'.format(pk_prefix / pk_sysconfdir),
 ]
 
-if js_engine == 'duktape'
-  sources += files('polkitbackendduktapeauthority.c')
-  deps += libm_dep
-  deps += thread_dep
-elif js_engine == 'mozjs'
-  add_languages('cpp')
-  sources += files('polkitbackendjsauthority.cpp')
-endif
+sources += files('polkitbackendduktapeauthority.c')
+deps += libm_dep
+deps += thread_dep
 
 if enable_logind
   sources += files('polkitbackendsessionmonitor-systemd.c')