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-rw-r--r--Makefile.doc5
1 files changed, 3 insertions, 2 deletions
diff --git a/Makefile.doc b/Makefile.doc
index 1249555cd7..5aa1ae9850 100644
--- a/Makefile.doc
+++ b/Makefile.doc
@@ -38,10 +38,11 @@ SPHINXENV:=COQBIN="$(CURDIR)/bin/" COQLIB="$(WIN_CURDIR)"
else
SPHINXENV:=COQBIN="$(CURDIR)/bin/" COQLIB="$(CURDIR)"
endif
-SPHINXOPTS= -j4
SPHINXWARNERROR ?= 1
ifeq ($(SPHINXWARNERROR),1)
-SPHINXOPTS += -W
+SPHINXOPTS= -W
+else
+SPHINXOPTS=
endif
SPHINXBUILD= sphinx-build
SPHINXBUILDDIR= doc/sphinx/_build