current directory: /home/sho/src/tdiary/core/vendor/bundle/ruby/2.6.0/gems/nokogiri-1.10.9/ext/nokogiri
/home/sho/.rbenv/versions/2.6.6/bin/ruby -I /home/sho/.rbenv/versions/2.6.6/lib/ruby/2.6.0 -r ./siteconf20200530-21047-rmjaab.rb extconf.rb --use-system-libraries --with-xml2-include\=/usr/include/libxml2
checking if the C compiler accepts ... yes
Building nokogiri using system libraries.
pkg-config could not be used to find libxslt
Please install either `pkg-config` or the pkg-config gem per

    gem install pkg-config -v "~> 1.1"

pkg-config could not be used to find libexslt
Please install either `pkg-config` or the pkg-config gem per

    gem install pkg-config -v "~> 1.1"

checking for xmlParseDoc() in libxml/parser.h... no
checking for xmlParseDoc() in -lxml2... yes
checking for xsltParseStylesheetDoc() in libxslt/xslt.h... no
checking for xsltParseStylesheetDoc() in -lxslt... yes
checking for exsltFuncRegister() in libexslt/exslt.h... no
checking for exsltFuncRegister() in -lexslt... yes
checking for xmlHasFeature()... yes
checking for xmlFirstElementChild()... yes
checking for xmlRelaxNGSetParserStructuredErrors()... yes
checking for xmlRelaxNGSetParserStructuredErrors()... yes
checking for xmlRelaxNGSetValidStructuredErrors()... yes
checking for xmlSchemaSetValidStructuredErrors()... yes
checking for xmlSchemaSetParserStructuredErrors()... yes
creating Makefile

current directory: /home/sho/src/tdiary/core/vendor/bundle/ruby/2.6.0/gems/nokogiri-1.10.9/ext/nokogiri
make "DESTDIR=" clean

current directory: /home/sho/src/tdiary/core/vendor/bundle/ruby/2.6.0/gems/nokogiri-1.10.9/ext/nokogiri
make "DESTDIR="
compiling html_document.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./html_document.h:4,
                 from html_document.c:1:
html_document.c: In function ‘new’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
html_document.c:16:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "0*", &rest);
   ^~~~~~~~~~~~
html_document.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling html_element_description.c
compiling html_entity_lookup.c
compiling html_sax_parser_context.c
compiling html_sax_push_parser.c
compiling nokogiri.c
compiling xml_attr.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_attr.h:4,
                 from xml_attr.c:1:
xml_attr.c: In function ‘new’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_attr.c:61:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "2*", &document, &name, &rest);
   ^~~~~~~~~~~~
xml_attr.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_attribute_decl.c
compiling xml_cdata.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_cdata.h:4,
                 from xml_cdata.c:1:
xml_cdata.c: In function ‘new’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_cdata.c:23:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "2*", &doc, &content, &rest);
   ^~~~~~~~~~~~
xml_cdata.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_comment.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_comment.h:4,
                 from xml_comment.c:1:
xml_comment.c: In function ‘new’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_comment.c:21:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "2*", &document, &content, &rest);
   ^~~~~~~~~~~~
xml_comment.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_document.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_document.h:4,
                 from xml_document.c:1:
xml_document.c: In function ‘duplicate_document’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_document.c:330:6: note: in expansion of macro ‘rb_scan_args’
   if(rb_scan_args(argc, argv, "01", &level) == 0)
      ^~~~~~~~~~~~
xml_document.c: In function ‘new’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_document.c:357:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "0*", &rest);
   ^~~~~~~~~~~~
xml_document.c: In function ‘create_entity’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_document.c:436:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "14", &name, &type, &external_id, &system_id,
   ^~~~~~~~~~~~
xml_document.c: In function ‘canonicalize’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_document.c:511:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "03", &mode, &incl_ns, &with_comments);
   ^~~~~~~~~~~~
xml_document.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_document_fragment.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_document_fragment.h:4,
                 from xml_document_fragment.c:1:
xml_document_fragment.c: In function ‘new’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_document_fragment.c:17:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "1*", &document, &rest);
   ^~~~~~~~~~~~
xml_document_fragment.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_dtd.c
xml_dtd.c: In function ‘entities’:
xml_dtd.c:47:47: warning: passing argument 2 of ‘xmlHashScan’ from incompatible pointer type [-Wincompatible-pointer-types]
   xmlHashScan((xmlHashTablePtr)dtd->entities, element_copier, (void *)hash);
                                               ^~~~~~~~~~~~~~
In file included from /usr/include/libxml2/libxml/parser.h:18,
                 from ./nokogiri.h:19,
                 from ./xml_dtd.h:4,
                 from xml_dtd.c:1:
/usr/include/libxml2/libxml/hash.h:210:22: note: expected ‘xmlHashScanner’ {aka ‘void (*)(void *, void *, unsigned char *)’} but argument is of type ‘void (*)(void *, void *, const xmlChar *)’ {aka ‘void (*)(void *, void *, const unsigned char *)’}
       xmlHashScanner f,
       ~~~~~~~~~~~~~~~^
xml_dtd.c: In function ‘notations’:
xml_dtd.c:69:48: warning: passing argument 2 of ‘xmlHashScan’ from incompatible pointer type [-Wincompatible-pointer-types]
   xmlHashScan((xmlHashTablePtr)dtd->notations, notation_copier, (void *)hash);
                                                ^~~~~~~~~~~~~~~
In file included from /usr/include/libxml2/libxml/parser.h:18,
                 from ./nokogiri.h:19,
                 from ./xml_dtd.h:4,
                 from xml_dtd.c:1:
/usr/include/libxml2/libxml/hash.h:210:22: note: expected ‘xmlHashScanner’ {aka ‘void (*)(void *, void *, unsigned char *)’} but argument is of type ‘void (*)(void *, void *, const xmlChar *)’ {aka ‘void (*)(void *, void *, const unsigned char *)’}
       xmlHashScanner f,
       ~~~~~~~~~~~~~~~^
xml_dtd.c: In function ‘attributes’:
xml_dtd.c:91:49: warning: passing argument 2 of ‘xmlHashScan’ from incompatible pointer type [-Wincompatible-pointer-types]
   xmlHashScan((xmlHashTablePtr)dtd->attributes, element_copier, (void *)hash);
                                                 ^~~~~~~~~~~~~~
In file included from /usr/include/libxml2/libxml/parser.h:18,
                 from ./nokogiri.h:19,
                 from ./xml_dtd.h:4,
                 from xml_dtd.c:1:
/usr/include/libxml2/libxml/hash.h:210:22: note: expected ‘xmlHashScanner’ {aka ‘void (*)(void *, void *, unsigned char *)’} but argument is of type ‘void (*)(void *, void *, const xmlChar *)’ {aka ‘void (*)(void *, void *, const unsigned char *)’}
       xmlHashScanner f,
       ~~~~~~~~~~~~~~~^
xml_dtd.c: In function ‘elements’:
xml_dtd.c:113:47: warning: passing argument 2 of ‘xmlHashScan’ from incompatible pointer type [-Wincompatible-pointer-types]
   xmlHashScan((xmlHashTablePtr)dtd->elements, element_copier, (void *)hash);
                                               ^~~~~~~~~~~~~~
In file included from /usr/include/libxml2/libxml/parser.h:18,
                 from ./nokogiri.h:19,
                 from ./xml_dtd.h:4,
                 from xml_dtd.c:1:
/usr/include/libxml2/libxml/hash.h:210:22: note: expected ‘xmlHashScanner’ {aka ‘void (*)(void *, void *, unsigned char *)’} but argument is of type ‘void (*)(void *, void *, const xmlChar *)’ {aka ‘void (*)(void *, void *, const unsigned char *)’}
       xmlHashScanner f,
       ~~~~~~~~~~~~~~~^
xml_dtd.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_element_content.c
compiling xml_element_decl.c
compiling xml_encoding_handler.c
compiling xml_entity_decl.c
compiling xml_entity_reference.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_entity_reference.h:4,
                 from xml_entity_reference.c:1:
xml_entity_reference.c: In function ‘new’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_entity_reference.c:18:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "2*", &document, &name, &rest);
   ^~~~~~~~~~~~
xml_entity_reference.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_io.c
compiling xml_libxml2_hacks.c
compiling xml_namespace.c
compiling xml_node.c
xml_node.c: In function ‘reparent_node_with’:
xml_node.c:304:29: warning: passing argument 1 of ‘xmlFree’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
       xmlFree(reparentee->ns->prefix);
               ~~~~~~~~~~~~~~^~~~~~~~
xml_node.c:304:29: note: expected ‘void *’ but argument is of type ‘const xmlChar *’ {aka ‘const unsigned char *’}
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_node.h:4,
                 from xml_node.c:1:
xml_node.c: In function ‘duplicate_node’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_node.c:550:12: note: in expansion of macro ‘rb_scan_args’
   n_args = rb_scan_args(argc, argv, "02", &r_level, &r_new_parent_doc);
            ^~~~~~~~~~~~
xml_node.c: In function ‘new’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_node.c:1393:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "2*", &name, &document, &rest);
   ^~~~~~~~~~~~
xml_node.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_node_set.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_node_set.h:4,
                 from xml_node_set.c:1:
xml_node_set.c: In function ‘slice’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_node_set.c:294:5: note: in expansion of macro ‘rb_scan_args’
     rb_scan_args(argc, argv, "11", NULL, NULL);
     ^~~~~~~~~~~~
xml_node_set.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_processing_instruction.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_processing_instruction.h:4,
                 from xml_processing_instruction.c:1:
xml_processing_instruction.c: In function ‘new’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_processing_instruction.c:20:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "3*", &document, &name, &content, &rest);
   ^~~~~~~~~~~~
xml_processing_instruction.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_reader.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_reader.h:4,
                 from xml_reader.c:1:
xml_reader.c: In function ‘from_memory’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_reader.c:533:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "13", &rb_buffer, &rb_url, &encoding, &rb_options);
   ^~~~~~~~~~~~
xml_reader.c: In function ‘from_io’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_reader.c:577:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "13", &rb_io, &rb_url, &encoding, &rb_options);
   ^~~~~~~~~~~~
xml_reader.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_relax_ng.c
compiling xml_sax_parser.c
compiling xml_sax_parser_context.c
compiling xml_sax_push_parser.c
compiling xml_schema.c
compiling xml_syntax_error.c
compiling xml_text.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_text.h:4,
                 from xml_text.c:1:
xml_text.c: In function ‘new’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_text.c:18:3: note: in expansion of macro ‘rb_scan_args’
   rb_scan_args(argc, argv, "2*", &string, &document, &rest);
   ^~~~~~~~~~~~
xml_text.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xml_xpath_context.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xml_xpath_context.h:4,
                 from xml_xpath_context.c:1:
xml_xpath_context.c: In function ‘evaluate’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xml_xpath_context.c:200:6: note: in expansion of macro ‘rb_scan_args’
   if(rb_scan_args(argc, argv, "11", &search_path, &xpath_handler) == 1)
      ^~~~~~~~~~~~
xml_xpath_context.c: At top level:
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
compiling xslt_stylesheet.c
In file included from /home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby.h:33,
                 from ./nokogiri.h:33,
                 from ./xslt_stylesheet.h:4,
                 from xslt_stylesheet.c:1:
xslt_stylesheet.c: In function ‘transform’:
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2479:48: warning: cast discards ‘const’ qualifier from pointer target type [-Wcast-qual]
        (rb_scan_args_verify(fmt, varc), vars), (char *)fmt, varc)
                                                ^
/home/sho/.rbenv/versions/2.6.6/include/ruby-2.6.0/ruby/ruby.h:2295:9: note: in expansion of macro ‘rb_scan_args0’
         rb_scan_args0(argc,argvp,fmt,\
         ^~~~~~~~~~~~~
xslt_stylesheet.c:141:5: note: in expansion of macro ‘rb_scan_args’
     rb_scan_args(argc, argv, "11", &xmldoc, &paramobj);
     ^~~~~~~~~~~~
At top level:
xslt_stylesheet.c:112:13: warning: ‘swallow_superfluous_xml_errors’ defined but not used [-Wunused-function]
 static void swallow_superfluous_xml_errors(void * userdata, xmlErrorPtr error, ...)
             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
cc1: warning: unrecognized command line option ‘-Wno-self-assign’
cc1: warning: unrecognized command line option ‘-Wno-parentheses-equality’
cc1: warning: unrecognized command line option ‘-Wno-constant-logical-operand’
linking shared-object nokogiri/nokogiri.so
Cleaning files only used during build.
rm -rf /home/sho/src/tdiary/core/vendor/bundle/ruby/2.6.0/gems/nokogiri-1.10.9/ports/archives

current directory: /home/sho/src/tdiary/core/vendor/bundle/ruby/2.6.0/gems/nokogiri-1.10.9/ext/nokogiri
make "DESTDIR=" install
/usr/bin/install -c -m 0755 nokogiri.so ./.gem.20200530-21047-4elzpg/nokogiri