1 files changed, 43 insertions, 0 deletions
diff --git a/build_scripts/clang b/build_scripts/clang
new file mode 100755
index 0000000..8645cba
--- /dev/null
+++ b/build_scripts/clang
@@ -0,0 +1,43 @@
+#!/usr/bin/python3
+# Copyright 2016 Benjamin Barenblat
+#
+# Licensed under the Apache License, Version 2.0 (the “License”); you may not
+# use this file except in compliance with the License.  You may obtain a copy of
+# the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an “AS IS” BASIS, WITHOUT
+# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+# License for the specific language governing permissions and limitations under
+# the License.
+
+import subprocess
+import sys
+import os
+
+CPPFLAGS = ["-D_FORTIFY_SOURCE=2"]
+CFLAGS = ["-ftrapv", "-fstack-protector-strong", "--param=ssp-buffer-size=4",
+          "-ffunction-sections", "-fdata-sections"]
+LDFLAGS = ["-Wl,--gc-sections", "-Wl,-Bsymbolic-functions", "-Wl,-z,relro",
+           "-Wl,-z,now", "-Wl,--hash-style=gnu",
+           "-Wl,--no-copy-dt-needed-entries", "-Wl,--as-needed"]
+
+def dpkg_buildflags(variable):
+    process = subprocess.run(("dpkg-buildflags", "--get", variable),
+                             env={"DEB_BUILD_MAINT_OPTIONS": "hardening=+all"},
+                             stdout=subprocess.PIPE)
+    return [flag for flag in process.stdout.split()
+            if not (flag.startswith("-O") or f in ("-g", "-fPIE", "-pie"))]
+
+args = ["clang", "-pipe"] + (CPPFLAGS + CFLAGS if "-c" in sys.argv else LDFLAGS)
+for arg in sys.argv[1:]:
+    if arg == "-O3":
+        arg = "-O2"
+    elif arg.startswith("-lurweb"):
+        arg = "-l:lib" + arg[2:] + ".a"
+    args.append(arg)
+if "UGTD_BUILD_VERBOSE" in os.environ:
+    print(" ".join(args))
+os.execvp("clang", args)