From 9590bacb1356b9218b21eedf24a52bb11d2f6eda Mon Sep 17 00:00:00 2001
From: Ray Donnelly <mingw.android@gmail.com>
Date: Tue, 31 Dec 2019 20:46:36 +0100
Subject: [PATCH 15/25] Add /d1trimfile:%SRC_DIR% to make pdbs more relocatable

---
 Lib/distutils/_msvccompiler.py | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/Lib/distutils/_msvccompiler.py b/Lib/distutils/_msvccompiler.py
index af8099a407..0b245adb30 100644
--- a/Lib/distutils/_msvccompiler.py
+++ b/Lib/distutils/_msvccompiler.py
@@ -346,6 +346,13 @@ def compile(self, sources,
                 # without asking the user to browse for it
                 src = os.path.abspath(src)
 
+            # Anaconda/conda-forge customisation, we want our pdbs to be
+            # relocatable:
+            # https://developercommunity.visualstudio.com/comments/623156/view.html
+            d1trimfile_opts = []
+            if 'SRC_DIR' in os.environ and os.path.basename(self.cc) == "cl.exe":
+                d1trimfile_opts.append("/d1trimfile:" + os.environ['SRC_DIR'])
+
             if ext in self._c_extensions:
                 input_opt = "/Tc" + src
             elif ext in self._cpp_extensions:
@@ -390,7 +397,7 @@ def compile(self, sources,
                 raise CompileError("Don't know how to compile {} to {}"
                                    .format(src, obj))
 
-            args = [self.cc] + compile_opts + pp_opts
+            args = [self.cc] + compile_opts + pp_opts + d1trimfile_opts
             if add_cpp_opts:
                 args.append('/EHsc')
             args.append(input_opt)
-- 
2.32.1 (Apple Git-133)

