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git/shared.mak
Jean-Noël Avila 63d33eb7f6 doc: check well-formedness of delimited sections
Having an empty line before each delimited sections is not required by
asciidoc, but it is a safety measure that prevents generating malformed
asciidoc when generating translated documentation.

When a delimited section appears just after a paragraph, the asciidoc
processor checks that the length of the delimited section header is
different from the length of the paragraph. If it is not, the asciidoc
processor will generate a title. In the original English documentation, this
is not a problem because the authors always check the output of the asciidoc
processor and fix the length of the delimited section header if it turns out
to be the same as the paragraph length. However, this is not the case for
translations, where the authors have no way to check the length of the
delimited section header or the output of the asciidoc processor. This can
lead to a section title that is not intended.

Indeed, this test also checks that titles are correctly formed, that is,
the length of the underline is equal to the length of the title (otherwise
it would not be a title but a section header).

Finally, this test checks that the delimited section are terminated within
the same file.

Signed-off-by: Jean-Noël Avila <jn.avila@free.fr>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
2025-08-11 14:16:03 -07:00

131 lines
4.1 KiB
Makefile

### Remove GNU make implicit rules
## This speeds things up since we don't need to look for and stat() a
## "foo.c,v" every time a rule referring to "foo.c" is in play. See
## "make -p -f/dev/null | grep ^%::'".
%:: %,v
%:: RCS/%,v
%:: RCS/%
%:: s.%
%:: SCCS/s.%
## Likewise delete default $(SUFFIXES). See:
##
## info make --index-search=.SUFFIXES
.SUFFIXES:
### Flags affecting all rules
# A GNU make extension since gmake 3.72 (released in late 1994) to
# remove the target of rules if commands in those rules fail. The
# default is to only do that if make itself receives a signal. Affects
# all targets, see:
#
# info make --index-search=.DELETE_ON_ERROR
.DELETE_ON_ERROR:
### Global variables
## comma, empty, space: handy variables as these tokens are either
## special or can be hard to spot among other Makefile syntax.
comma := ,
empty :=
space := $(empty) $(empty)
### Quieting
## common
QUIET_SUBDIR0 = +$(MAKE) -C # space to separate -C and subdir
QUIET_SUBDIR1 =
ifneq ($(findstring w,$(firstword -$(MAKEFLAGS))),w)
PRINT_DIR = --no-print-directory
else # "make -w"
NO_SUBDIR = :
endif
ifneq ($(findstring s,$(firstword -$(MAKEFLAGS))),s)
ifndef V
## common
QUIET_SUBDIR0 = +@subdir=
QUIET_SUBDIR1 = ;$(NO_SUBDIR) echo ' ' SUBDIR $$subdir; \
$(MAKE) $(PRINT_DIR) -C $$subdir
QUIET = @
QUIET_GEN = @echo ' ' GEN $@;
QUIET_MKDIR_P_PARENT = @echo ' ' MKDIR -p $(@D);
## Used in "Makefile"
QUIET_CC = @echo ' ' CC $@;
QUIET_AR = @echo ' ' AR $@;
QUIET_LINK = @echo ' ' LINK $@;
QUIET_BUILT_IN = @echo ' ' BUILTIN $@;
QUIET_CP = @echo ' ' CP $< $@;
QUIET_LNCP = @echo ' ' LN/CP $@;
QUIET_XGETTEXT = @echo ' ' XGETTEXT $@;
QUIET_MSGINIT = @echo ' ' MSGINIT $@;
QUIET_MSGFMT = @echo ' ' MSGFMT $@;
QUIET_MSGMERGE = @echo ' ' MSGMERGE $@;
QUIET_GCOV = @echo ' ' GCOV $@;
QUIET_SP = @echo ' ' SP $<;
QUIET_HDR = @echo ' ' HDR $(<:hcc=h);
QUIET_RC = @echo ' ' RC $@;
## Used in "Makefile": SPATCH
QUIET_SPATCH = @echo ' ' SPATCH $< \>$@;
QUIET_SPATCH_TEST = @echo ' ' SPATCH TEST $(@:.build/%=%);
QUIET_SPATCH_CAT = @echo ' ' SPATCH CAT $(@:%.patch=%.d/)\*\*.patch \>$@;
## Used in "Documentation/Makefile"
QUIET_ASCIIDOC = @echo ' ' ASCIIDOC $@;
QUIET_XMLTO = @echo ' ' XMLTO $@;
QUIET_DB2TEXI = @echo ' ' DB2TEXI $@;
QUIET_MAKEINFO = @echo ' ' MAKEINFO $@;
QUIET_DBLATEX = @echo ' ' DBLATEX $@;
QUIET_XSLTPROC = @echo ' ' XSLTPROC $@;
QUIET_GEN = @echo ' ' GEN $@;
QUIET_STDERR = 2> /dev/null
QUIET_LINT_GITLINK = @echo ' ' LINT GITLINK $<;
QUIET_LINT_MANSEC = @echo ' ' LINT MAN SEC $<;
QUIET_LINT_DELIMSEC = @echo ' ' LINT DEL SEC $<;
QUIET_LINT_MANEND = @echo ' ' LINT MAN END $<;
export V
endif
endif
### Templates
## mkdir_p_parent: lazily "mkdir -p" the path needed for a $@
## file. Uses $(wildcard) to avoid the "mkdir -p" if it's not
## needed.
##
## Is racy, but in a good way; we might redundantly (and safely)
## "mkdir -p" when running in parallel, but won't need to exhaustively create
## individual rules for "a" -> "prefix" -> "dir" -> "file" if given a
## "a/prefix/dir/file". This can instead be inserted at the start of
## the "a/prefix/dir/file" rule.
define mkdir_p_parent_template
$(if $(wildcard $(@D)),,$(QUIET_MKDIR_P_PARENT)$(shell mkdir -p $(@D)))
endef
## Getting sick of writing -L$(SOMELIBDIR) $(CC_LD_DYNPATH)$(SOMELIBDIR)?
## Write $(call libpath_template,$(SOMELIBDIR)) instead, perhaps?
## With CC_LD_DYNPATH set to either an empty string or to "-L", the
## the directory is not shown the second time.
define libpath_template
-L$(1) $(if $(filter-out -L,$(CC_LD_DYNPATH)),$(CC_LD_DYNPATH)$(1))
endef
# Populate build information into a file via GIT-VERSION-GEN. Requires the
# absolute path to the root source directory as well as input and output files
# as arguments, in that order.
define version_gen
GIT_BUILT_FROM_COMMIT="$(GIT_BUILT_FROM_COMMIT)" \
GIT_DATE="$(GIT_DATE)" \
GIT_USER_AGENT="$(GIT_USER_AGENT)" \
GIT_VERSION="$(GIT_VERSION_OVERRIDE)" \
$(SHELL_PATH) "$(1)/GIT-VERSION-GEN" "$(1)" "$(2)" "$(3)"
endef