current directory: /app/vendor/bundle/ruby/2.3.0/gems/jaro_winkler-1.5.4/ext/jaro_winkler
/usr/local/bin/ruby -I /usr/local/lib/ruby/site_ruby/2.3.0 -r ./siteconf20200414-14-1mfa2po.rb extconf.rb
creating Makefile

current directory: /app/vendor/bundle/ruby/2.3.0/gems/jaro_winkler-1.5.4/ext/jaro_winkler
make "DESTDIR=" clean

current directory: /app/vendor/bundle/ruby/2.3.0/gems/jaro_winkler-1.5.4/ext/jaro_winkler
make "DESTDIR="
compiling adj_matrix.c
adj_matrix.c: In function 'adj_matrix_default':
adj_matrix.c:87:5: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
     size_t length = sizeof(DEFAULT_ADJ_TABLE) / sizeof(char *);
     ^
compiling codepoints.c
compiling jaro.c
jaro.c: In function 'jaro_distance_from_codes':
jaro.c:41:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
   int32_t window_size = (int32_t)len2 / 2 - 1;
   ^
jaro.c:45:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
   char short_codes_flag[len1];
   ^
jaro.c:51:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
   size_t match_count = 0;
   ^
jaro.c:71:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
   size_t transposition_count = 0, j = 0, k = 0;
   ^
jaro.c:86:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
   size_t similar_count = 0;
   ^
jaro.c:98:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
   double m = (double)match_count;
   ^
compiling jaro_winkler.c
jaro_winkler.c: In function 'distance':
jaro_winkler.c:35:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
   Options c_opt = DEFAULT_OPTIONS;
   ^
jaro_winkler.c:56:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
   CodePoints cp1, cp2;
   ^
jaro_winkler.c:59:3: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
   VALUE ret = rb_float_new(
   ^
linking shared-object jaro_winkler/jaro_winkler_ext.so

current directory: /app/vendor/bundle/ruby/2.3.0/gems/jaro_winkler-1.5.4/ext/jaro_winkler
make "DESTDIR=" install
/usr/bin/install -c -m 0755 jaro_winkler_ext.so ./.gem.20200414-14-njdv7r/jaro_winkler