From e6f05a9013e240313c928ae27e7d97bf1a832552 Mon Sep 17 00:00:00 2001
From: "Uwe L. Korn" <uwelk@xhochy.com>
Date: Mon, 21 Jun 2021 20:49:11 +0200
Subject: [PATCH] Set environment variables to workaround
 https://github.com/conda/conda-build/issues/3993

---
 recipe/bld-scipy.bat | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/recipe/bld-scipy.bat b/recipe/bld-scipy.bat
index b702471b..c7cd7cc0 100644
--- a/recipe/bld-scipy.bat
+++ b/recipe/bld-scipy.bat
@@ -1,3 +1,4 @@
+@echo on
 REM these are done automatically for openblas by numpy.distutils, but
 REM not for our blas libraries
 echo %LIBRARY_LIB%\blas.lib > %LIBRARY_LIB%\blas.fobjects
@@ -7,6 +8,14 @@ echo %LIBRARY_LIB%\cblas.lib > %LIBRARY_LIB%\cblas.cobjects
 echo %LIBRARY_LIB%\lapack.lib > %LIBRARY_LIB%\lapack.fobjects
 echo %LIBRARY_LIB%\lapack.lib > %LIBRARY_LIB%\lapack.cobjects
 
+REM Set a few environment variables that are not set due to
+REM https://github.com/conda/conda-build/issues/3993
+set PIP_NO_BUILD_ISOLATION=False
+set PIP_NO_DEPENDENCIES=True
+set PIP_IGNORE_INSTALLED=True
+set PIP_NO_INDEX=True
+set PYTHONDONTWRITEBYTECODE=True
+
 REM Use the G77 ABI wrapper everywhere so that the underlying blas implementation
 REM can have a G77 ABI (currently only MKL)
 set SCIPY_USE_G77_ABI_WRAPPER=1