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[build:Makefile] Restore compatibility with GNU Make <4.0

- The != variable assignment operator is not supported by GNU Make <4.0
- $(shell) is a no-op in BSD Make, assigns an empty string to the var
- Try to assign with != and fallback to $(shell) if not assigned (?=)

- Old versions of BSD find have different -exec behavior
- Pipe to `sed` instead of using `find ... -exec dirname {}`

- BSD tar does not support --transform, --owner or --group
- Allow user to specify path to GNU tar by passing GNUTAR variable

- pandoc vars are immediately evaluated with != in gmake>=4 and bmake
- Suppress stderr output for pandoc -v in case it is not installed
- Use string comparison instead of int comparison for pandoc version

Authored by: bashonly
This commit is contained in:
bashonly 2024-02-17 15:23:54 -06:00 committed by GitHub
parent 41d6b61e98
commit 73fcfa39f5
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GPG key ID: B5690EEEBB952194

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@ -37,14 +37,15 @@ BINDIR ?= $(PREFIX)/bin
MANDIR ?= $(PREFIX)/man
SHAREDIR ?= $(PREFIX)/share
PYTHON ?= /usr/bin/env python3
# $(shell) and $(error) are no-ops in BSD Make and the != variable assignment operator is not supported by GNU Make <4.0
VERSION_CHECK != echo supported
VERSION_CHECK ?= $(error GNU Make 4+ or BSD Make is required)
CHECK_VERSION := $(VERSION_CHECK)
GNUTAR ?= tar
# set markdown input format to "markdown-smart" for pandoc version 2+ and to "markdown" for pandoc prior to version 2
MARKDOWN != if [ "`pandoc -v | head -n1 | cut -d' ' -f2 | head -c1`" -ge "2" ]; then echo markdown-smart; else echo markdown; fi
PANDOC_VERSION_CMD = pandoc -v 2>/dev/null | head -n1 | cut -d' ' -f2 | head -c1
PANDOC_VERSION != $(PANDOC_VERSION_CMD)
PANDOC_VERSION ?= $(shell $(PANDOC_VERSION_CMD))
MARKDOWN_CMD = if [ "$(PANDOC_VERSION)" = "1" -o "$(PANDOC_VERSION)" = "0" ]; then echo markdown; else echo markdown-smart; fi
MARKDOWN != $(MARKDOWN_CMD)
MARKDOWN ?= $(shell $(MARKDOWN_CMD))
install: lazy-extractors yt-dlp yt-dlp.1 completions
mkdir -p $(DESTDIR)$(BINDIR)
@ -75,8 +76,12 @@ test:
offlinetest: codetest
$(PYTHON) -m pytest -k "not download"
CODE_FOLDERS != find yt_dlp -type f -name '__init__.py' -exec dirname {} \+ | grep -v '/__' | sort
CODE_FILES != for f in $(CODE_FOLDERS) ; do echo "$$f" | sed 's,$$,/*.py,' ; done
CODE_FOLDERS_CMD = find yt_dlp -type f -name '__init__.py' | sed 's,/__init__.py,,' | grep -v '/__' | sort
CODE_FOLDERS != $(CODE_FOLDERS_CMD)
CODE_FOLDERS ?= $(shell $(CODE_FOLDERS_CMD))
CODE_FILES_CMD = for f in $(CODE_FOLDERS) ; do echo "$$f" | sed 's,$$,/*.py,' ; done
CODE_FILES != $(CODE_FILES_CMD)
CODE_FILES ?= $(shell $(CODE_FILES_CMD))
yt-dlp: $(CODE_FILES)
mkdir -p zip
for d in $(CODE_FOLDERS) ; do \
@ -129,12 +134,14 @@ completions/fish/yt-dlp.fish: $(CODE_FILES) devscripts/fish-completion.in
mkdir -p completions/fish
$(PYTHON) devscripts/fish-completion.py
_EXTRACTOR_FILES != find yt_dlp/extractor -name '*.py' -and -not -name 'lazy_extractors.py'
_EXTRACTOR_FILES_CMD = find yt_dlp/extractor -name '*.py' -and -not -name 'lazy_extractors.py'
_EXTRACTOR_FILES != $(_EXTRACTOR_FILES_CMD)
_EXTRACTOR_FILES ?= $(shell $(_EXTRACTOR_FILES_CMD))
yt_dlp/extractor/lazy_extractors.py: devscripts/make_lazy_extractors.py devscripts/lazy_load_template.py $(_EXTRACTOR_FILES)
$(PYTHON) devscripts/make_lazy_extractors.py $@
yt-dlp.tar.gz: all
@tar -czf yt-dlp.tar.gz --transform "s|^|yt-dlp/|" --owner 0 --group 0 \
@$(GNUTAR) -czf yt-dlp.tar.gz --transform "s|^|yt-dlp/|" --owner 0 --group 0 \
--exclude '*.DS_Store' \
--exclude '*.kate-swp' \
--exclude '*.pyc' \