Bug 1844925 - Disable sccache for searchfox by not enabling it in the first place. r=firefox-build-system-reviewers,ahochheiden

Differential Revision: https://phabricator.services.mozilla.com/D184423

taskcluster/ci/searchfox/kind.yml

@@ -25,6 +25,9 @@ job-defaults:
     run-on-projects: ['mozilla-central']
     optimization: null
     use-system-python: false
+    # These builds don't use sccache because otherwise we wouldn't index
+    # the files that sccache optimizes away compilation for.
+    use-sccache: false
 
 jobs:
     linux64-searchfox/debug:
@@ -162,7 +165,6 @@ jobs:
             secrets: true
             custom-build-variant-cfg: arm-debug-searchfox
             tooltool-downloads: internal
-        use-sccache: true
         fetches:
             toolchain:
                 - android-gradle-dependencies
@@ -174,7 +176,6 @@ jobs:
                 - linux64-rust-size
                 - linux64-cbindgen
                 - linux64-dump_syms
-                - linux64-sccache
                 - linux64-nasm
                 - linux64-node
                 - sysroot-x86_64-linux-gnu

testing/mozharness/configs/builds/releng_sub_android_configs/64_arm_debug_searchfox.py

@@ -4,9 +4,6 @@
 
 config = {
     "stage_platform": "android-arm-debug",
-    "env": {
-        "SCCACHE_DISABLE": "1",
-    },
     "src_mozconfig": "mobile/android/config/mozconfigs/android-arm/debug-searchfox",
     "debug_build": True,
 }

testing/mozharness/configs/builds/releng_sub_linux_configs/64_searchfox_and_debug.py

@@ -26,9 +26,6 @@ config = {
         "TOOLTOOL_HOME": "/builds",
         "MOZ_CRASHREPORTER_NO_REPORT": "1",
         "LC_ALL": "C",
-        # Disable sccache because otherwise we won't index the files that
-        # sccache optimizes away compilation for
-        "SCCACHE_DISABLE": "1",
         ## 64 bit specific
         "PATH": "/usr/local/bin:/bin:\
 /usr/bin:/usr/local/sbin:/usr/sbin:/sbin",

testing/mozharness/configs/builds/releng_sub_mac_configs/64_cross_debug_searchfox.py

@@ -22,9 +22,6 @@ config = {
         "MOZ_CRASHREPORTER_NO_REPORT": "1",
         "LC_ALL": "C",
         "XPCOM_DEBUG_BREAK": "stack-and-abort",
-        # Disable sccache because otherwise we won't index the files that
-        # sccache optimizes away compilation for
-        "SCCACHE_DISABLE": "1",
         # 64 bit specific
         "PATH": "/tools/python/bin:/opt/local/bin:/usr/bin:"
         "/bin:/usr/sbin:/sbin:/usr/local/bin:/usr/X11/bin",

testing/mozharness/configs/builds/taskcluster_sub_win64/searchfox_debug.py

@@ -7,9 +7,6 @@ config = {
     "debug_build": True,
     "env": {
         "XPCOM_DEBUG_BREAK": "stack-and-abort",
-        # Disable sccache because otherwise we won't index the files that
-        # sccache optimizes away compilation for
-        "SCCACHE_DISABLE": "1",
     },
     "mozconfig_variant": "debug-searchfox",
 }