FIX: build name (#157)

doc/Makefile

@@ -5,7 +5,7 @@
 SPHINXOPTS    =
 SPHINXBUILD   = sphinx-build
 SOURCEDIR     = source
-BUILDDIR      = build
+BUILDDIR      = _build
 
 # Put it first so that "make" without argument is like "make help".
 help:
@@ -20,11 +20,11 @@ help:
 
 # customized clean due to api examples
 clean:
-	rm -rf build
+	rm -rf $(BUILDDIR)
 	find . -type d -name "_autosummary" -exec rm -rf {} +
 
 # customized pdf due to svg issue
 pdf:
 	@$(SPHINXBUILD) -M latex "$(SOURCEDIR)" "$(BUILDDIR)" $(SPHINXOPTS) $(O)
-	cd build/latex && latexmk -r latexmkrc -pdf *.tex -interaction=nonstopmode || true
-	(test -f build/latex/ansys_sphinx*.pdf && echo pdf exists) || exit 1
+	cd $(BUILDDIR)/latex && latexmk -r latexmkrc -pdf *.tex -interaction=nonstopmode || true
+	(test -f $(BUILDDIR)/latex/ansys_sphinx*.pdf && echo pdf exists) || exit 1

doc/make.bat

@@ -8,7 +8,7 @@ if "%SPHINXBUILD%" == "" (
 	set SPHINXBUILD=sphinx-build
 )
 set SOURCEDIR=source
-set BUILDDIR=build
+set BUILDDIR=_build
 
 if "%1" == "" goto help
 if "%1" == "pdf" goto pdf