fallback for ARB_LIBRARY in src/sage/env.py

sagemath · Jul 19, 2019 · 73dd667 · 73dd667
1 parent 2c4d350
commit 73dd667
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/sage/env.py b/src/sage/env.py
@@ -406,6 +406,8 @@ def cython_aliases():
     # This is not a problem in practice since LinBox depends on
     # fflas-ffpack and fflas-ffpack does add such a C++11 flag.
     aliases["LINBOX_CFLAGS"].append("-std=gnu++11")
-    aliases["ARB_LIBRARY"] = os.environ['SAGE_ARB_LIBRARY']
-
+    if os.environ.get('SAGE_ARB_LIBRARY'):
+        aliases["ARB_LIBRARY"] = os.environ['SAGE_ARB_LIBRARY']
+    else:
+        aliases["ARB_LIBRARY"] = 'arb'
     return aliases