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88b118688e
Support the use of `make install` in packaging scripts, where the $mandir tree might not exist under $DESTDIR. For portability, create the parent directories using a separate install command instead of relying on the non-portable `-D` flag. Set errexit so the install target fails if any install step fails. Signed-off-by: Cory Snider <csnider@mirantis.com>
50 lines
1.5 KiB
Makefile
50 lines
1.5 KiB
Makefile
prefix = /usr/local
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mandir = $(prefix)/man
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INSTALL = install
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INSTALL_DATA = ${INSTALL} -m 644
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# By default, the man pages are generated using a copy of go-md2man built from
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# the vendored sources in this directory. This behavior can be overridden by
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# setting the GO_MD2MAN variable to the name/path of an existing go-md2man
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# binary.
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GO_MD2MAN ?= .build/go-md2man
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ALL_PAGES := $(wildcard *.*.md)
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# Determine which manual sections we are generating pages for
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# by isolating the last part of the filename before the extension
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# and eliminating duplicates.
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man_section = $(lastword $(subst ., ,$(1)))
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sections := $(sort $(foreach page,$(ALL_PAGES:.md=),$(call man_section,$(page))))
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# Dynamically generate pattern rules for each manual section
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# so make knows how to build a target like man8/dockerd.8.
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define MANPAGE_template
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man$(1)/%.$(1): %.$(1).md $(if $(findstring file,$(origin GO_MD2MAN)),$(GO_MD2MAN)) | man$(1)
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$(GO_MD2MAN) -in $$< -out $$@
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endef
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$(foreach sec,$(sections),$(eval $(call MANPAGE_template,$(sec))))
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# Default target: build all man pages.
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all: $(foreach page,$(ALL_PAGES:.md=),man$(call man_section,$(page))/$(page))
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# Target for creating the man{1..8} directories as needed.
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.PRECIOUS: man%
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man%:
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-mkdir $@
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.PHONY: install
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install: all
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@set -ex; \
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for sec in $(sections); do \
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$(INSTALL) -d $(DESTDIR)$(mandir)/man$$sec && \
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$(INSTALL_DATA) man$$sec/* $(DESTDIR)$(mandir)/man$$sec; \
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done
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.build/go-md2man: go.mod go.sum
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GO111MODULE=auto go build -o $@ github.com/cpuguy83/go-md2man/v2
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.PHONY: clean
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clean:
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rm -r man* .build
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