[CI][folly] Fix cross-compilation failure on arm64-linux by pre-caching try_run results (#50543)

ports/folly/portfile.cmake

@@ -41,6 +41,17 @@ vcpkg_check_features(OUT_FEATURE_OPTIONS FEATURE_OPTIONS
         "zstd"       VCPKG_LOCK_FIND_PACKAGE_ZSTD
 )
 
+set(CROSSCOMP_OPTIONS "")
+if(VCPKG_CROSSCOMPILING AND VCPKG_TARGET_IS_LINUX)
+    # Seed try_run results for cross-compiling; binaries cannot execute on the build host.
+    set(CROSSCOMP_OPTIONS
+        -DFOLLY_HAVE_UNALIGNED_ACCESS_EXITCODE=0
+        -DFOLLY_HAVE_WEAK_SYMBOLS_EXITCODE=0
+        -DFOLLY_HAVE_LINUX_VDSO_EXITCODE=0
+        -DFOLLY_HAVE_WCHAR_SUPPORT_EXITCODE=0
+        -DHAVE_VSNPRINTF_ERRORS_EXITCODE=0
+    )
+endif()
 vcpkg_cmake_configure(
     SOURCE_PATH "${SOURCE_PATH}"
     OPTIONS
@@ -53,6 +64,7 @@ vcpkg_cmake_configure(
         -DVCPKG_LOCK_FIND_PACKAGE_LibUnwind=${VCPKG_TARGET_IS_LINUX}
         -DVCPKG_LOCK_FIND_PACKAGE_ZLIB=ON
         ${FEATURE_OPTIONS}
+        ${CROSSCOMP_OPTIONS}
     MAYBE_UNUSED_VARIABLES
         MSVC_USE_STATIC_RUNTIME
 )

ports/folly/vcpkg.json

@@ -1,6 +1,7 @@
 {
   "name": "folly",
   "version-string": "2026.02.23.00",
+  "port-version": 1,
   "description": "An open-source C++ library developed and used at Facebook. The library is UNSTABLE on Windows",
   "homepage": "https://github.com/facebook/folly",
   "license": "Apache-2.0",

scripts/ci.baseline.txt

@@ -199,7 +199,6 @@ fluidlite:x64-windows-static-md=skip
 fluidlite:x64-windows-static=skip
 fluidlite:x64-windows=skip
 fluidlite:x86-windows=skip
-folly:arm64-linux=fail
 freeglut:arm-neon-android=fail # unsupported option '-mfloat-abi=', ALooper_pollAll no longer available
 freeglut:arm64-android=fail
 freeglut:arm64-linux=fail

scripts/ci.feature.baseline.txt

@@ -349,9 +349,6 @@ flashlight-text[kenlm]:arm64-windows=cascade
 fltk:arm64-linux=fail
 fluidsynth[pulseaudio]:arm64-linux=cascade
 fluidsynth[pulseaudio](android | osx | windows)=cascade
-folly:arm64-linux=fail
-folly[libsodium]:arm64-linux=cascade
-folly[liburing](!linux)=cascade
 forge:arm64-linux=cascade
 forge:x86-windows=fail
 freealut:arm64-linux=cascade

versions/baseline.json

@@ -3114,7 +3114,7 @@
     },
     "folly": {
       "baseline": "2026.02.23.00",
-      "port-version": 0
+      "port-version": 1
     },
     "font-chef": {
       "baseline": "1.1.0",

versions/f-/folly.json

@@ -1,5 +1,10 @@
 {
   "versions": [
+    {
+      "git-tree": "9b30ba73dcd60645143155b4b8a57cd0d3c88e66",
+      "version-string": "2026.02.23.00",
+      "port-version": 1
+    },
     {
       "git-tree": "9906c8bf3be59d5410ea3d6c10b59a5c2c7b6557",
       "version-string": "2026.02.23.00",