Ensure bootstrap has been run before install.py (#24723)

Author: sbc100

.github/workflows/ci.yml

@@ -17,6 +17,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
+    - run: ./bootstrap
     - name: make dist
       run: |
         make dist

tools/install.py

@@ -17,6 +17,15 @@
 import subprocess
 import sys
 
+__scriptdir__ = os.path.dirname(os.path.abspath(__file__))
+__rootdir__ = os.path.dirname(__scriptdir__)
+sys.path.insert(0, __rootdir__)
+
+# Before we can install emscripten we need to at least have bootstrapped
+# this checkout
+import bootstrap
+bootstrap.check()
+
 EXCLUDES = [os.path.normpath(x) for x in '''
 test/third_party
 tools/maint