In file included from glib/glibconfig.h:9,
                 from glib/gtypes.h:32,
                 from glib/gstring.h:32,
                 from glib/gstring.c:37:
glib/gstring.c: In function ‘g_string_insert_len’:
glib/gstring.c:441:31: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
     g_return_val_if_fail (pos <= string->len, string);
                               ^~
glib/gmacros.h:455:25: note: in definition of macro ‘G_LIKELY’
 #define G_LIKELY(expr) (expr)
                         ^~~~
glib/gstring.c:441:5: note: in expansion of macro ‘g_return_val_if_fail’
     g_return_val_if_fail (pos <= string->len, string);
     ^~~~~~~~~~~~~~~~~~~~
glib/gstring.c:458:15: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
       if (pos < string->len)
               ^
glib/gstring.c:462:18: error: comparison of integer expressions of different signedness: ‘gsize’ {aka ‘long unsigned int’} and ‘gssize’ {aka ‘long int’} [-Werror=sign-compare]
       if (offset < pos)
                  ^
In file included from glib/glibconfig.h:9,
                 from glib/gtypes.h:32,
                 from glib/gstring.h:32,
                 from glib/gstring.c:37:
glib/gmacros.h:351:26: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘long unsigned int’ [-Werror=sign-compare]
 #define MIN(a, b)  (((a) < (b)) ? (a) : (b))
                          ^
glib/gstring.c:464:22: note: in expansion of macro ‘MIN’
           precount = MIN (len, pos - offset);
                      ^~~
glib/gmacros.h:351:35: error: operand of ?: changes signedness from ‘gssize’ {aka ‘long int’} to ‘long unsigned int’ due to unsignedness of other operand [-Werror=sign-compare]
 #define MIN(a, b)  (((a) < (b)) ? (a) : (b))
                                   ^~~
glib/gstring.c:464:22: note: in expansion of macro ‘MIN’
           precount = MIN (len, pos - offset);
                      ^~~
glib/gstring.c:469:15: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
       if (len > precount)
               ^
glib/gstring.c:481:15: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
       if (pos < string->len)
               ^
In file included from glib/glibconfig.h:9,
                 from glib/gtypes.h:32,
                 from glib/gstring.h:32,
                 from glib/gstring.c:37:
glib/gstring.c: In function ‘g_string_insert_c’:
glib/gstring.c:782:31: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
     g_return_val_if_fail (pos <= string->len, string);
                               ^~
glib/gmacros.h:455:25: note: in definition of macro ‘G_LIKELY’
 #define G_LIKELY(expr) (expr)
                         ^~~~
glib/gstring.c:782:5: note: in expansion of macro ‘g_return_val_if_fail’
     g_return_val_if_fail (pos <= string->len, string);
     ^~~~~~~~~~~~~~~~~~~~
glib/gstring.c:785:11: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
   if (pos < string->len)
           ^
In file included from glib/glibconfig.h:9,
                 from glib/gtypes.h:32,
                 from glib/gstring.h:32,
                 from glib/gstring.c:37:
glib/gstring.c: In function ‘g_string_insert_unichar’:
glib/gstring.c:857:31: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
     g_return_val_if_fail (pos <= string->len, string);
                               ^~
glib/gmacros.h:455:25: note: in definition of macro ‘G_LIKELY’
 #define G_LIKELY(expr) (expr)
                         ^~~~
glib/gstring.c:857:5: note: in expansion of macro ‘g_return_val_if_fail’
     g_return_val_if_fail (pos <= string->len, string);
     ^~~~~~~~~~~~~~~~~~~~
glib/gstring.c:860:11: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
   if (pos < string->len)
           ^
In file included from glib/glibconfig.h:9,
                 from glib/gtypes.h:32,
                 from glib/gstring.h:32,
                 from glib/gstring.c:37:
glib/gstring.c: In function ‘g_string_erase’:
glib/gstring.c:969:29: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
   g_return_val_if_fail (pos <= string->len, string);
                             ^~
glib/gmacros.h:455:25: note: in definition of macro ‘G_LIKELY’
 #define G_LIKELY(expr) (expr)
                         ^~~~
glib/gstring.c:969:3: note: in expansion of macro ‘g_return_val_if_fail’
   g_return_val_if_fail (pos <= string->len, string);
   ^~~~~~~~~~~~~~~~~~~~
glib/gstring.c:975:39: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
       g_return_val_if_fail (pos + len <= string->len, string);
                                       ^~
glib/gmacros.h:455:25: note: in definition of macro ‘G_LIKELY’
 #define G_LIKELY(expr) (expr)
                         ^~~~
glib/gstring.c:975:7: note: in expansion of macro ‘g_return_val_if_fail’
       g_return_val_if_fail (pos + len <= string->len, string);
       ^~~~~~~~~~~~~~~~~~~~
glib/gstring.c:977:21: error: comparison of integer expressions of different signedness: ‘gssize’ {aka ‘long int’} and ‘gsize’ {aka ‘long unsigned int’} [-Werror=sign-compare]
       if (pos + len < string->len)
                     ^