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-rw-r--r--gnu/packages/graph.scm2
1 files changed, 1 insertions, 1 deletions
diff --git a/gnu/packages/graph.scm b/gnu/packages/graph.scm
index bde8b44a30..9979b176d7 100644
--- a/gnu/packages/graph.scm
+++ b/gnu/packages/graph.scm
@@ -389,7 +389,7 @@ contains supporting code for evaluation and parameter tuning.")
 PYTHONCFLAGS =-I~a/include/python~am/ -I~a/lib/python~a/site-packages/numpy/core/include
 LIBS = -lpython~am -lfaiss
 SHAREDFLAGS = -shared -fopenmp
-CXXFLAGS = -fpermissive -std=c++11 -fopenmp -fPIC
+CXXFLAGS = -fpermissive -fopenmp -fPIC
 CPUFLAGS = ~{~a ~}~%"
                            (assoc-ref inputs "python*") python-version
                            (assoc-ref inputs "python-numpy") python-version