Remove our old ctags and suggest Universal Ctags instead.
This fixes a FIXME in lib-src/Makefile.in and speeds up compilation
quite a bit on my older CPU when I compile with --enable-gcc-warnings.
It also lessens installation and runtime footprint. (Bug#76322)
* .gitignore: Remove lib-src/ctags.
* admin/authors.el (authors-renamed-files-alist): Remove ctags.1.
* admin/check-man-pages: ctags.1 is no longer a special case.
* admin/quick-install-emacs (PUBLIC_LIBSRC_BINARIES): Remove ctags.
* cross/Makefile.in (LIBSRC_BINARIES): Remove lib-src/ctags.
* doc/man/ctags.1, lib-src/ctags.c: Remove.
* java/Makefile.in (CROSS_LIBSRC_BINS): Remove ctags.
* lib-src/Makefile.in (INSTALLABLES): Remove ctags${EXEEXT}.
(ctags${EXEEXT}): Remove.
* lib-src/etags.c (CTAGS): Remove. All uses replaced by ...
(ctags): ... this new static var.
(STDIN): Remove macro. All uses replaced by new STDIN_OPTION constant.
(CTAGS_OPTION, STDIN_OPTION): New contants.
(longopts): New --ctags option.
(ctags_default_C_help): New constant,
to override default_C_help at runtime.
(default_C_help): Now always the etags version.
(C_LANG_NAMES_INDEX): New macro.
(print_language_names): Do not assume etags.
(PROGRAM_NAME): Remove. All uses removed.
(print_help): Document --ctags if PRINT_UNDOCUMENTED_OPTIONS_HELP.
(main): Support new --ctags option, and support all [ce]tags options.
* test/manual/etags/Makefile (CTAGS_PROG):
Now etags --ctags, since there is no longer a ctags.
* .gitignore: Ignore new generated files.
* cross/Makefile.in (src/Makefile): Remove leftover
specification of the source Gnulib directory.
* cross/ndk-build/ndk-build.mk.in (NDK_BUILD_READELF): New
variable.
* java/Makefile.in (CONFIG_FILE, ALL_DEPENDENCIES, READELF)
(cf-stamp-1, cf-stamp): New variables and rules; compute the set
of library files in the order of loading and generate a file
with this information.
(ALL_CLASS_FILES): New variable; if builddir is not srcdir,
$($(CONFIG_FILE), $(CLASS_FILES)): Depend on EmacsConfig.java.
add generated files in the build directory.
(classes.dex): Adjust to match.
* java/org/gnu/emacs/EmacsNative.java (EmacsNative)
<static initializer>: Load shared libraries from
EMACS_SHARED_LIBRARIES rather than a hard-coded list.
* m4/ndk-build.m4 (ndk_INIT): Search for readelf...
(ndk_CHECK_MODULES): ...and substitute its path as
NDK_BUILD_READELF.
* cross/Makefile.in (FIND_DELETE): New variable.
(CLEAN_SUBDIRS): Avoid including src if not already present.
(clean, bootstrap-clean, etc): Use FIND_DELETE.
* .gitignore: Ignore cross/etc/DOC.
* configure.ac: Make the directory `cross/etc'.
* cross/Makefile.in (CLEAN_SUBDIRS): Clean files inside `etc' as
well.
* java/Makefile.in (install_temp): Copy cross/etc/DOC to the
package if it is available.
* src/Makefile.in (SOME_MACHINE_OBJECTS): Add androidselect.c,
sfntfont-android.c and sfntfont.c.
(libemacs.so): Depend on $(etc)/DOC.
* configure.ac (XCONFIGURE): Disable NS.
* cross/Makefile.in (lib-src/config.h):
(lib/libgnu.a):
(src/android-emacs): Port sed invocation to Mac OS without GNU
sed.
* .gitignore: Simplify cross/lib rule.
* admin/merge-gnulib (avoided_flags): Stop copying to cross/lib.
* configure.ac: Link gnulib source and header files to
cross/lib.
* cross/Makefile.in (LIB_SRCDIR): Make relative to builddir.
(maintainer-clean): Merge with distclean. Remove links created
by configure.
* configure.ac: Make cross/* and related directories.
* cross/Makefile.in (src/verbose.mk, lib/libgnu.a)
(src/config.h): Stop making directories here.
(lib-src/config.h): New config.h rule.
($(LIBSRC_BINARIES)): Add it.
(clean): Don't remove CLEAN_SUBDIRS, but clean inside.
* configure.ac (JAVA_PUSH_LINT): Push to WARN_JAVAFLAGS instead
of JAVAFLAGS.
(cross/lib): Always AS_MKDIR_P.
* cross/Makefile.in (srcdir): New variable.
(LIB_SRCDIR): Take realpath relative to srcdir, not
.:(src/verbose.mk): Depend on verbose.mk.android in srcdir.
(lib/Makefile): Edit srcdir and VPATH to LIB_SRCDIR.
(src/Makefile): Edit -I$$(top_srcdir) to -I../$(srcdir)/lib,
instead of ommitting it.
(clean): Allow ndk-build clean to fail.
* java/Makefile.in (builddir): New variable.
(WARN_JAVAFLAGS): Likewise.
(JAVAFLAGS): Define in terms of WARN_JAVAFLAGS.
(SIGN_EMACS, SIGN_EMACS_V2): Use emacs.keystore relative to
srcdir. Allow inclusion of ndk-build.mk to fail.
(install_temp, emacs.apk-in)
(../config.status): Depend relative to top_srcdir.
(AndroidManifest.xml, $(APK_NAME)): Likewise.
(RESOURCE_FILE, CLASS_FILES, classes.dex): Output class files
to $(srcdir); these are arch independents, so this is okay.
* cross/Makefile.in ($(top_builddir)/lib/libgnu.a):
* java/Makefile.in (CROSS_LIBS): Explicitly depend on gnulib
to prevent it from being built at the same time from different
jobs.
* INSTALL.android: Describe that apksigner is also required.
* configure.ac: Correctly add cross/Makefile to
SUBDIR_MAKEFILES.
* cross/Makefile.in: (config.status): Depend on
$(top_srcdir)/config.status.
* doc/emacs/input.texi (On-Screen Keyboards): Document how to
quit without a physical keyboard.
* java/org/gnu/emacs/EmacsNative.java (EmacsNative): New
function `quit'.
* java/org/gnu/emacs/EmacsWindow.java (EmacsWindow): New field
`lastVolumeButtonPress'.
(onKeyDown): Quit if necessary.
* m4/ndk-build.m4 (ndk_where_cc): Fix search if CC is not a
single word.
* src/android.c (android_open): Remove unused variable.
(quit): New function.
* src/androidmenu.c (android_process_events_for_menu): Allow
quitting the menu.
* src/xterm.c (handle_one_xevent, x_term_init, syms_of_xterm):
Implement features described above, so they work on free
operating systems.
* src/xterm.h (struct x_display_info): New fields `quit_keysym',
`quit_keysym_time'.
