bug#66508: 30.0.50; Emacs Android port crashes due to link error when build with libxml2 and ImageMagick7

[Takesi Ayanokoji <ayanokoji.takesi@gmail.com>]

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Hello, Po-san.

I build Emacs with ImageMagick7 Only.

In this build, I made some modifications to java/INSTALL, bellow .

1. Remove unnecessary hunks
 due to #66506.

2. Add LOCAL_SHARED_LIBRARIES libstdc++ to make/libmagickwand-7.mk
 to avoid Emacs crash(see attachment).

3. Fix typo in original source
 change "echo." to "echo".

In report-emacs-bug(see attachment), it configured with libxml2, but in the
apk's lib/ there is not libxml2.so.

(In the build log, libxml2 was build as static library).

Build script:
https://github.com/ayatakesi/my-emacs/actions/runs/7494305673/workflow

Build log(4MB archived log):
https://github.com/ayatakesi/my-emacs/suites/19718814430/logs?attempt=1

Thanks,

2024年1月11日(木) 午前10:29 Po Lu <luangruo@yahoo.com>:

> Stefan Kangas <stefankangas@gmail.com> writes:
>
> > Po Lu, could you take a look at this one?  Thanks in advance.
>
> If I'm not mistaken, the ImageMagick repository provides its own copy of
> libxml2 with dependencies that conflict with those users are directed to
> install in java/INSTALL.  Ayanokoji-san, is Emacs compatible with
> ImageMagick's libxml2?  (This can be established by verifying that Emacs
> continues to detect libxml2 and build after removing the standard
> libxml2 from --with-ndk-path.)
>

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01-12 05:15:10.073 20552 20552 I         : SS_ART_lib [I]: permission is absent: /data/app/org.gnu.emacs-Ycza48C9NkkiWaaIZzJZOg==/base.apk
01-12 05:15:15.233 20700 20700 I SELinux : SELinux: seapp_context_lookup: seinfo=untrusted, level=s0:c512,c768, pkgname=org.gnu.emacs
01-12 05:15:16.888 20700 20700 E AndroidRuntime: Process: org.gnu.emacs, PID: 20700
01-12 05:15:16.888 20700 20700 E AndroidRuntime: java.lang.UnsatisfiedLinkError: dlopen failed: cannot locate symbol "_ZNSt6__ndk111__call_onceERVmPvPFvS2_E" referenced by "/data/app/org.gnu.emacs-Ycza48C9NkkiWaaIZzJZOg==/lib/arm64/libmagickcore-7_emacs.so"...
01-12 05:15:16.888 20700 20700 E AndroidRuntime:        at org.gnu.emacs.EmacsNative.<clinit>(EmacsNative.java:343)
01-12 05:15:16.888 20700 20700 E AndroidRuntime:        at org.gnu.emacs.EmacsNative.setupSystemThread(Native Method)
01-12 05:15:16.888 20700 20700 E AndroidRuntime:        at org.gnu.emacs.EmacsApplication.onCreate(EmacsApplication.java:148)

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In GNU Emacs 30.0.50 (build 1, aarch64-unknown-linux-android24) of
 2024-01-12 built on fv-az1113-273
Repository revision: 750350dea9df7c33f5e79389e9381aaea9fc43a6
Repository branch: my/master
Windowing system distributor 'samsung', version 26.0.0
System Description: samsung/SC-02H/SC-02H:8.0.0/R16NW/SC02HOMU1CSI1:user/release-keys

Configured using:
 'configure --with-png=yes --with-webp=yes --with-gif=yes
 --with-json=ifavailable --with-jpeg=yes --with-xml2=yes
 --with-sqlite3=yes --with-gnutls=ifavailable --with-tiff=yes
 --with-selinux=yes --with-modules=yes --with-tree-sitter=ifavailable
 --with-imagemagick=yes --with-lcms2=yes --with-mailutils=
 --with-pop=no-by-default --with-harfbuzz=yes
 --enable-check-lisp-object-type= 'CFLAGS=
 -Werror=implicit-function-declaration''

Configured features:
IMAGEMAGICK LCMS2 MODULES NOTIFY INOTIFY PDUMPER PNG SECCOMP TIFF ZLIB

Important settings:
  value of $LANG: en_US.utf8
  locale-coding-system: utf-8-unix

Major mode: Lisp Interaction

Minor modes in effect:
  tooltip-mode: t
  global-eldoc-mode: t
  eldoc-mode: t
  show-paren-mode: t
  electric-indent-mode: t
  mouse-wheel-mode: t
  tool-bar-mode: t
  menu-bar-mode: t
  file-name-shadow-mode: t
  global-font-lock-mode: t
  font-lock-mode: t
  blink-cursor-mode: t
  minibuffer-regexp-mode: t
  line-number-mode: t
  indent-tabs-mode: t
  transient-mark-mode: t
  auto-composition-mode: t
  auto-encryption-mode: t
  auto-compression-mode: t

Load-path shadows:
None found.

Features:
(shadow sort mail-extr emacsbug message mailcap yank-media puny dired
dired-loaddefs rfc822 mml mml-sec password-cache epa derived epg rfc6068
epg-config gnus-util text-property-search time-date subr-x mm-decode
mm-bodies mm-encode mail-parse rfc2231 mailabbrev gmm-utils mailheader
cl-loaddefs cl-lib sendmail rfc2047 rfc2045 ietf-drums mm-util
mail-prsvr mail-utils japan-util rmc iso-transl tooltip cus-start cconv
eldoc paren electric uniquify ediff-hook vc-hooks lisp-float-type
elisp-mode mwheel android-win term/common-win touch-screen ls-lisp
tool-bar dnd fontset image regexp-opt fringe tabulated-list replace
newcomment text-mode lisp-mode prog-mode register page tab-bar menu-bar
rfn-eshadow isearch easymenu timer select scroll-bar mouse jit-lock
font-lock syntax font-core term/tty-colors frame minibuffer nadvice seq
simple cl-generic indonesian philippine cham georgian utf-8-lang
misc-lang vietnamese tibetan thai tai-viet lao korean japanese eucjp-ms
cp51932 hebrew greek romanian slovak czech european ethiopic indian
cyrillic chinese composite emoji-zwj charscript charprop case-table
epa-hook jka-cmpr-hook help abbrev obarray oclosure cl-preloaded button
loaddefs theme-loaddefs faces cus-face macroexp files window
text-properties overlay sha1 md5 base64 format env code-pages mule
custom widget keymap hashtable-print-readable backquote inotify android
lcms2 multi-tty move-toolbar make-network-process emacs)

Memory information:
((conses 16 41014 9057) (symbols 48 5114 0) (strings 32 13769 1049)
 (string-bytes 1 359596) (vectors 16 9515)
 (vector-slots 8 146956 11812) (floats 8 36 25) (intervals 56 394 0)
 (buffers 976 10))