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# -----------------------------------------------------------------------------
#
# (c) 2009 The University of Glasgow
#
# This file is part of the GHC build system.
#
# To understand how the build system works and how to modify it, see
# https://gitlab.haskell.org/ghc/ghc/wikis/building/architecture
# https://gitlab.haskell.org/ghc/ghc/wikis/building/modifying
#
# -----------------------------------------------------------------------------
# Build Sphinx documentation
# We are careful not to use the same directory the doctree files for the
# various Sphinx targets as make may run them in parallel (see #10950).
define sphinx
$(call trace, sphinx($1,$2))
$(call profStart, sphinx($1,$2))
# $1 = dir
# $2 = docname
$(eval $(call clean-target,$1,sphinx,$1/.doctrees-html/ $1/.doctrees-pdf/ $1/build-html/ $1/build-pdf/ $1/$2.pdf))
# empty "all_$1" target just in case we're not building docs at all
$(call all-target,$1,)
.PHONY: html_$1
ifeq "$$(phase)" "final"
ifeq "$$(BUILD_SPHINX_HTML)" "YES"
$(call all-target,$1,html_$1)
INSTALL_HTML_DOC_DIRS += $1/build-html/$2
endif
endif
html_$1 : $1/build-html/$2/index.html
html : html_$1
ifneq "$$(BINDIST)" "YES"
$1/build-html/$2/index.html: $1/conf.py $$($1_RST_SOURCES)
$(SPHINXBUILD) -b html -d $1/.doctrees-html -w $1/.log -n $(SPHINXOPTS) $1 $1/build-html/$2
endif
.PHONY: pdf_$1
ifeq "$$(phase)" "final"
ifeq "$$(BUILD_SPHINX_PDF)" "YES"
$(call all-target,$1,pdf_$1)
INSTALL_DOCS += $1/$2.pdf
endif
endif
pdf_$1 : $1/$2.pdf
pdf : pdf_$1
ifneq "$$(BINDIST)" "YES"
# N.B. If we don't redirect latex output to /dev/null then we end up with literally
# 30% of the build output being warnings, even in a successful build. However,
# to make sure that we don't silence errors we allow each xelatex invocation
# besides the last to fail.
$1/$2.pdf: $1/conf.py $$($1_RST_SOURCES)
$(SPHINXBUILD) -b latex -d $1/.doctrees-pdf -w $1/.log -n $(SPHINXOPTS) $1 $1/build-pdf/$2
cd $1/build-pdf/$2 ; xelatex -halt-on-error $2.tex 2>/dev/null >/dev/null || true
cd $1/build-pdf/$2 ; xelatex -halt-on-error $2.tex 2>/dev/null >/dev/null || true
cd $1/build-pdf/$2 ; xelatex -halt-on-error $2.tex 2>/dev/null >/dev/null || true
cd $1/build-pdf/$2 ; makeindex $2.idx
cd $1/build-pdf/$2 ; xelatex -halt-on-error $2.tex 2>/dev/null >/dev/null || true
cd $1/build-pdf/$2 ; xelatex -halt-on-error $2.tex
cp $1/build-pdf/$2/$2.pdf $1/$2.pdf
endif
$(call profEnd, sphinx($1,$2))
endef
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