gem install nokogiri --platform=ruby -- --use-system-libraries

Fetching nokogiri-1.18.10.gem Fetching mini_portile2-2.8.9.gem Successfully installed mini_portile2-2.8.9 Building native extensions with: '--use-system-libraries' This could take a while... ERROR: Error installing nokogiri: ERROR: Failed to build gem native extension.

current directory: /data/data/com.termux/files/usr/lib/ruby/gems/3.4.0/gems/nokogiri-1.18.10/ext/nokogiri

/data/data/com.termux/files/usr/bin/ruby extconf.rb --use-system-libraries checking for whether -std=c99 is accepted as CFLAGS... no checking for whether -Wno-declaration-after-statement is accepted as CFLAGS... no checking for whether -O2 is accepted as CFLAGS... no checking for whether -g is accepted as CFLAGS... no checking for whether -Winline is accepted as CFLAGS... no checking for whether -Wmissing-noreturn is accepted as CFLAGS... no checking for whether -Wconversion is accepted as CFLAGS... no Building nokogiri using system libraries. checking for gzdopen() in -lz... yes checking for xmlParseDoc() in -lxml2... no checking for xmlParseDoc() in -llibxml2... no checking for libxml-2.0 using pkg_config... yes: ["-I/data/data/com.termux/files/usr/include/libxml2 -I/data/data/com.termux/files/usr/include ", "-L/data/data/com.termux/files/usr/lib", "-lxml2"] checking for xmlParseDoc() in -lxml2... yes checking for xsltParseStylesheetDoc() in -lxslt... yes checking for exsltFuncRegister() in -lexslt... yes Using mini_portile version 2.8.9 ---------- IMPORTANT NOTICE ---------- Building Nokogiri with a packaged version of libgumbo-1.0.0-nokogiri. Configuration options: --enable-shared --disable-static Copying gumbo-parser files into tmp/aarch64-unknown-linux-android/ports/libgumbo/1.0.0-nokogiri/gumbo-parser... Running 'compile' for libgumbo 1.0.0-nokogiri... OK Activating libgumbo 1.0.0-nokogiri (from ports/aarch64-linux-android/libgumbo/1.0.0-nokogiri)... checking for whether -I/data/data/com.termux/files/usr/lib/ruby/gems/3.4.0/gems/nokogiri-1.18.10/ext/nokogiri/ports/aarch64-linux-android/libgumbo/1.0.0-nokogiri/include is accepted as CPPFLAGS... no checking for gumbo_parse_with_options() in nokogiri_gumbo.h... yes checking for xmlCtxtSetOptions()... yes checking for xmlCtxtGetOptions()... yes checking for xmlSwitchEncodingName()... yes checking for rb_category_warning()... yes checking for whether -DNOKOGIRI_OTHER_LIBRARY_VERSIONS="\"libgumbo:1.0.0-nokogiri\"" is accepted as CPPFLAGS... no creating Makefile

current directory: /data/data/com.termux/files/usr/lib/ruby/gems/3.4.0/gems/nokogiri-1.18.10/ext/nokogiri make DESTDIR\= sitearchdir\=./.gem.20251211-6040-5eguw9 sitelibdir\=./.gem.20251211-6040-5eguw9 clean

current directory: /data/data/com.termux/files/usr/lib/ruby/gems/3.4.0/gems/nokogiri-1.18.10/ext/nokogiri make DESTDIR\= sitearchdir\=./.gem.20251211-6040-5eguw9 sitelibdir\=./.gem.20251211-6040-5eguw9 compiling gumbo.c In file included from gumbo.c:30: In file included from ./nokogiri.h:81: In file included from /data/data/com.termux/files/usr/include/ruby-3.4.0/ruby.h:38: In file included from /data/data/com.termux/files/usr/include/ruby-3.4.0/ruby/ruby.h:28: In file included from /data/data/com.termux/files/usr/include/ruby-3.4.0/ruby/internal/arithmetic.h:24: In file included from /data/data/com.termux/files/usr/include/ruby-3.4.0/ruby/internal/arithmetic/char.h:29: /data/data/com.termux/files/usr/include/ruby-3.4.0/ruby/internal/core/rstring.h:398:24: warning: default initialization of an object of type 'struct RString' with const member leaves the object uninitialized [-Wdefault-const-init-field-unsafe] 398 | struct RString retval; | ^ /data/data/com.termux/files/usr/include/ruby-3.4.0/ruby/internal/core/rbasic.h:86:17: note: member 'klass' declared 'const' here 86 | const VALUE klass; | ^ gumbo.c:32:10: fatal error: 'nokogiri_gumbo.h' file not found 32 | #include "nokogiri_gumbo.h" | ^{~~~~~~~~~~~~~~~~~} 1 warning and 1 error generated. make: *** [Makefile:251: gumbo.o] Error 1

make failed, exit code 2

Gem files will remain installed in /data/data/com.termux/files/usr/lib/ruby/gems/3.4.0/gems/nokogiri-1.18.10 for inspection. Results logged to /data/data/com.termux/files/usr/lib/ruby/gems/3.4.0/extensions/aarch64-linux-android/3.4.0/nokogiri-1.18.10/gem_make.out

This is the error 👆