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Add new "make help" target

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* GNUmakefile: Add new "help" target that shows a brief summary of
common make targets.  (Bug#12411)
* INSTALL
* etc/NEWS: Announce it.
This commit is contained in:
Stefan Kangas 2019-08-21 01:02:43 +02:00
parent d87e9a59cd
commit 9df285250b
3 changed files with 38 additions and 0 deletions
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33
GNUmakefile
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@ -32,6 +32,38 @@
# But run 'autogen.sh' first, if the source was checked out directly
# from the repository.
# Display help.
ifeq (help,$(filter help,$(MAKECMDGOALS)))
help:
@echo "NOTE: This is a brief summary of some common make targets."
@echo "For more detailed information, please read the files INSTALL,"
@echo "INSTALL.REPO, Makefile or visit this URL:"
@echo "http://www.gnu.org/prep/standards/html_node/Standard-Targets.html"
@echo ""
@echo "make all -- compile and build Emacs"
@echo "make install -- install Emacs"
@echo "make TAGS -- update tags tables"
@echo "make clean -- delete built files but preserve configuration"
@echo "make mostlyclean -- like 'make clean', but leave those files that"
@echo " usually do not need to be recompiled"
@echo "make distclean -- delete all build and configuration files,"
@echo " leave only files included in source distribution"
@echo "make maintainer-clean -- delete almost everything that can be regenerated"
@echo "make bootstrap -- delete all compiled files to force a new bootstrap"
@echo " from a clean slate, then build in the normal way"
@echo "make uninstall -- remove files installed by 'make install'"
@echo "make check -- run the Emacs test suite"
@echo "make docs -- generate Emacs documentation in info format"
@echo "make html -- generate documentation in html format"
@echo "make ps -- generate documentation in ps format"
@echo "make pdf -- generate documentation in pdf format "
@exit
.PHONY: help
else
# If a Makefile already exists, just use it.
ifeq ($(wildcard Makefile),Makefile)
@ -82,3 +114,4 @@ bootstrap: Makefile
endif
endif
endif

3
INSTALL
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@ -109,6 +109,9 @@ sections if you need to.
(provided you have the 'gzip' program) those installed Lisp source (.el)
files that have corresponding .elc versions, as well as the Info files.
You can read a brief summary about common make targets:
make help
ADDITIONAL DISTRIBUTION FILES

2
etc/NEWS
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@ -129,6 +129,8 @@ This is intended mostly to help developers.
** Emacs now requires GTK 2.24 and GTK 3.10 for the GTK 2 and GTK 3
builds respectively.
** New make target 'help' shows a summary of common make targets.
* Startup Changes in Emacs 27.1