meson: add NSIS building

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Message-Id: <20200826110419.528931-9-marcandre.lureau@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

scripts/nsis.py

@@ -0,0 +1,78 @@
+#!/usr/bin/env python3
+#
+# Copyright (C) 2020 Red Hat, Inc.
+#
+# SPDX-License-Identifier: GPL-2.0-or-later
+
+import argparse
+import glob
+import os
+import shutil
+import subprocess
+import tempfile
+
+
+def signcode(path):
+    cmd = os.environ.get("SIGNCODE")
+    if not cmd:
+        return
+    subprocess.run([cmd, path])
+
+
+def main():
+    parser = argparse.ArgumentParser(description="QEMU NSIS build helper.")
+    parser.add_argument("outfile")
+    parser.add_argument("prefix")
+    parser.add_argument("srcdir")
+    parser.add_argument("cpu")
+    parser.add_argument("nsisargs", nargs="*")
+    args = parser.parse_args()
+
+    destdir = tempfile.mkdtemp()
+    try:
+        subprocess.run(["make", "install", "DESTDIR=" + destdir + os.path.sep])
+        with open(
+            os.path.join(destdir + args.prefix, "system-emulations.nsh"), "w"
+        ) as nsh:
+            for exe in glob.glob(
+                os.path.join(destdir + args.prefix, "qemu-system-*.exe")
+            ):
+                exe = os.path.basename(exe)
+                arch = exe[12:-4]
+                nsh.write(
+                    """
+                Section "{0}" Section_{0}
+                SetOutPath "$INSTDIR"
+                File "${{BINDIR}}\\{1}"
+                SectionEnd
+                """.format(
+                        arch, exe
+                    )
+                )
+
+        for exe in glob.glob(os.path.join(destdir + args.prefix, "*.exe")):
+            signcode(exe)
+
+        makensis = [
+            "makensis",
+            "-V2",
+            "-NOCD",
+            "-DSRCDIR=" + args.srcdir,
+            "-DBINDIR=" + destdir + args.prefix,
+        ]
+        dlldir = "w32"
+        if args.cpu == "x86_64":
+            dlldir = "w64"
+            makensis += ["-DW64"]
+        if os.path.exists(os.path.join(args.srcdir, "dll")):
+            makensis += "-DDLLDIR={0}/dll/{1}".format(args.srcdir, dlldir)
+
+        makensis += ["-DOUTFILE=" + args.outfile] + args.nsisargs
+        subprocess.run(makensis)
+        signcode(args.outfile)
+    finally:
+        shutil.rmtree(destdir)
+
+
+if __name__ == "__main__":
+    main()