Issue #17717: Pull NASM from svn.python.org for OpenSSL build.

2 files changed, 14 insertions, 1 deletions

diff --git a/PCbuild/build_ssl.py b/PCbuild/build_ssl.py
index 260cbf3..f3c65fc 100644
--- a/PCbuild/build_ssl.py
+++ b/PCbuild/build_ssl.py
@@ -182,6 +182,17 @@ def main():
     if ssl_dir is None:
         sys.exit(1)
 
+    # add our copy of NASM to PATH.  It will be on the same level as openssl
+    for dir in os.listdir(os.path.join(ssl_dir, os.pardir)):
+        if dir.startswith('nasm'):
+            nasm_dir = os.path.join(ssl_dir, os.pardir, dir)
+            nasm_dir = os.path.abspath(nasm_dir)
+            os.environ['PATH'] += os.pathsep.join(['', nasm_dir])
+            break
+    else:
+        print('NASM was not found, make sure it is on PATH')
+
+
     old_cd = os.getcwd()
     try:
         os.chdir(ssl_dir)
diff --git a/PCbuild/readme.txt b/PCbuild/readme.txt
index 3a30bc8..2193c84 100644
--- a/PCbuild/readme.txt
+++ b/PCbuild/readme.txt
@@ -182,7 +182,9 @@ _ssl
     to be somewhere on your PATH.  More recent versions of OpenSSL may
     need a later version of NASM. If OpenSSL's self tests don't pass,
     you should first try to update NASM and do a full rebuild of
-    OpenSSL.
+    OpenSSL.  If you use the Tools\buildbot\external(-amd64).bat method
+    for getting sources, it also downloads a version of NASM which the
+    ssl build script will add to PATH.
 
     If you like to use the official sources instead of the files from
     python.org's subversion repository, Perl is required to build the