clang.diff

clang.diff (text/plain), 24.05 KB, created by Matt Jolly on 2022-11-04 22:16:11 UTC

--- clang-14.log	2022-11-02 22:36:18.481746176 +1100
+++ clang-15.log	2022-11-02 22:36:18.482746173 +1100
@@ -1,70 +1,68 @@
-clang version 15.0.1
+clang version 14.0.1
 Target: x86_64-pc-linux-gnu
 Thread model: posix
-InstalledDir: /usr/lib/llvm/15/bin
+InstalledDir: /usr/lib/llvm/14/bin
 Selected GCC installation: /usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0
 Candidate multilib: .;@m64
 Candidate multilib: 32;@m32
 Selected multilib: .;@m64
-clang-15: error: unsupported option '-dumpspecs'
-clang-15: error: no input files
-clang version 15.0.1
+clang-14: error: unsupported option '-dumpspecs'
+clang-14: error: no input files
+clang version 14.0.1
 Target: x86_64-pc-linux-gnu
 Thread model: posix
-InstalledDir: /usr/lib/llvm/15/bin
+InstalledDir: /usr/lib/llvm/14/bin
 Selected GCC installation: /usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0
 Candidate multilib: .;@m64
 Candidate multilib: 32;@m32
 Selected multilib: .;@m64
-clang-15: error: unsupported option '-dumpspecs'
-clang-15: error: no input files
-clang version 15.0.1
+clang-14: error: unsupported option '-dumpspecs'
+clang-14: error: no input files
+clang version 14.0.1
 Target: x86_64-pc-linux-gnu
 Thread model: posix
-InstalledDir: /usr/lib/llvm/15/bin
+InstalledDir: /usr/lib/llvm/14/bin
 Selected GCC installation: /usr/lib/gcc/x86_64-pc-linux-gnu/11.3.0
 Candidate multilib: .;@m64
 Candidate multilib: 32;@m32
 Selected multilib: .;@m64
-clang-15: error: unsupported option '-dumpspecs'
-clang-15: error: no input files
+clang-14: error: unsupported option '-dumpspecs'
+clang-14: error: no input files
 
 
 
 
 
-if288.c:2:1: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+if288.c:2:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 main(argc, argv)
 ^
 int
-if288.c:6:3: warning: call to undeclared library function 'printf' with type 'int (const char *, ...)'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+if288.c:6:3: error: call to undeclared library function 'printf' with type 'int (const char *, ...)'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
   printf("%d\n", __GLIBC_MINOR__);
   ^
 if288.c:6:3: note: include the header <stdio.h> or explicitly provide a declaration for 'printf'
 if288.c:2:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
 main(argc, argv)
 ^
-3 warnings generated.
+1 warning and 2 errors generated.
 
 
-ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+ignoreme: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 foo(){}
 ^
 int
 ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 foo(){}
       ^
-2 warnings generated.
-ignoreme: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+ignoreme: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 foo(){}
 ^
 int
 ignoreme: warning: non-void function does not return a value [-Wreturn-type]
 foo(){}
       ^
-2 warnings generated.
 
-configure:1173:10: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+configure:1173:10: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 } inline foo() {
   ~~~~~~ ^
   int
@@ -109,13 +107,13 @@
 
 
 
-configure:1588:67: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:1488:67: error: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
 if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2);
                                                                   ^
-configure:1588:67: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
+configure:1488:67: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
 
 
-configure:2461:1: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+configure:2461:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 main(){return(0);}
 ^
 int
@@ -231,56 +229,56 @@
 configure:2509:6: note: 'vsprintf' is a builtin with type 'int (char *, const char *, struct __va_list_tag *)'
 
 
-configure:2645:1: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+configure:2645:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 find_stack_direction ()
 ^
 int
-configure:2657:1: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+configure:2657:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 main ()
 ^
 int
-configure:2659:3: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:2659:3: error: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
   exit (find_stack_direction() < 0);
   ^
 configure:2659:3: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
-3 warnings generated.
+3 errors generated.
 configure:2691:10: fatal error: 'vfork.h' file not found
 #include <vfork.h>
          ^~~~~~~~~
-configure:2797:1: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+configure:2797:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 sparc_address_test (arg) int arg;
 ^
 configure:2797:1: warning: a function definition without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
 configure:2813:1: warning: non-void function does not return a value in all control paths [-Wreturn-type]
 }
 ^
-configure:2814:1: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+configure:2814:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 main() {
 ^
 int
 configure:2818:23: warning: too few arguments in call to 'sparc_address_test'
   sparc_address_test ();
   ~~~~~~~~~~~~~~~~~~  ^
-configure:2852:12: warning: call to undeclared function 'wait'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:2852:12: error: call to undeclared function 'wait'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
     while (wait(&status) != child)
            ^
-configure:2854:5: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:2854:5: error: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
     exit(
     ^
 configure:2854:5: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
-7 warnings generated.
+3 warnings and 4 errors generated.
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `_doprnt'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x3): undefined reference to `sys_errlist'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x3): undefined reference to `sys_nerr'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x3): undefined reference to `sys_siglist'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 configure:3059:10: fatal error: 'sys/systemcfg.h' file not found
 #include <sys/systemcfg.h>
          ^~~~~~~~~~~~~~~~~
@@ -303,46 +301,46 @@
 
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `pstat_getstatic'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `pstat_getdynamic'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `sysmp'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `getsysinfo'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `table'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `sysctl'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 configure:3360:7: warning: incompatible redeclaration of library function 'malloc' [-Wincompatible-library-redeclaration]
 char *malloc();
       ^
 configure:3360:7: note: 'malloc' is a builtin with type 'void *(unsigned long)'
-configure:3370:13: warning: call to undeclared function 'getpagesize'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3370:13: error: call to undeclared function 'getpagesize'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
         pagesize = getpagesize();
                    ^
-configure:3375:15: warning: passing arguments to 'malloc' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
+configure:3375:14: warning: passing arguments to 'malloc' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
         data = malloc(pagesize);
                      ^
-configure:3377:3: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3377:3: error: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
                 exit(1);
                 ^
 configure:3377:3: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
-configure:3379:17: warning: call to undeclared function 'rand'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3379:17: error: call to undeclared function 'rand'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
                 *(data + i) = rand();
                               ^
-configure:3380:2: warning: call to undeclared function 'umask'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3380:2: error: call to undeclared function 'umask'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
         umask(0);
         ^
-configure:3384:6: warning: call to undeclared function 'write'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3384:6: error: call to undeclared function 'write'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
         if (write(fd, data, pagesize) != pagesize)
             ^
-configure:3386:2: warning: call to undeclared function 'close'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3386:2: error: call to undeclared function 'close'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
         close(fd);
         ^
 configure:3396:16: warning: passing arguments to 'malloc' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
@@ -354,35 +352,35 @@
 configure:3414:16: warning: passing arguments to 'malloc' without a prototype is deprecated in all versions of C and is not supported in C2x [-Wdeprecated-non-prototype]
         data3 = malloc(pagesize);
                       ^
-configure:3417:6: warning: call to undeclared function 'read'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3417:6: error: call to undeclared function 'read'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
         if (read(fd, data3, pagesize) != pagesize)
             ^
-configure:3423:2: warning: call to undeclared function 'unlink'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3423:2: error: call to undeclared function 'unlink'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
         unlink("conftestmmap");
         ^
-13 warnings generated.
-configure:3492:1: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+5 warnings and 8 errors generated.
+configure:3492:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 main ()
 ^
 int
-configure:3500:5: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3500:5: error: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
     exit (1);
     ^
 configure:3500:5: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
-configure:3512:40: warning: call to undeclared library function 'strlen' with type 'unsigned long (const char *)'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3512:40: error: call to undeclared library function 'strlen' with type 'unsigned long (const char *)'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
       char *q = (char *) p + MAP_LEN - strlen (string) - 2;
                                        ^
 configure:3512:40: note: include the header <string.h> or explicitly provide a declaration for 'strlen'
-configure:3515:7: warning: call to undeclared library function 'strcpy' with type 'char *(char *, const char *)'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3514:7: error: call to undeclared library function 'strcpy' with type 'char *(char *, const char *)'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
       strcpy (q, string);
       ^
-configure:3515:7: note: include the header <string.h> or explicitly provide a declaration for 'strcpy'
-configure:3517:7: warning: call to undeclared library function 'strncmp' with type 'int (const char *, const char *, unsigned long)'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3514:7: note: include the header <string.h> or explicitly provide a declaration for 'strcpy'
+configure:3517:7: error: call to undeclared library function 'strncmp' with type 'int (const char *, const char *, unsigned long)'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
       strncmp (r, q, 14);
       ^
 configure:3517:7: note: include the header <string.h> or explicitly provide a declaration for 'strncmp'
-5 warnings generated.
-configure:1099:1: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+5 errors generated.
+configure:1099:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 main(){return(0);}
 ^
 int
@@ -415,10 +413,10 @@
                 ^
 
 
-configure:1815:25: error: duplicate case value '0'
+configure:1814:25: error: duplicate case value '0'
 switch (0) case 0: case (sizeof (long) == 4):;
                         ^
-configure:1815:17: note: previous case defined here
+configure:1814:17: note: previous case defined here
 switch (0) case 0: case (sizeof (long) == 4):;
                 ^
 
@@ -448,20 +446,20 @@
 
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `ldopen'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: cannot find -lld: No such file or directory
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: cannot find -lmld: No such file or directory
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: cannot find -lmld: No such file or directory
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: cannot find -lmld: No such file or directory
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `exc_resume'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 /usr/bin/x86_64-pc-linux-gnu-ld: cannot find -lexc: No such file or directory
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 configure:3542:6: warning: incompatible redeclaration of library function 'ldexp' [-Wincompatible-library-redeclaration]
 char ldexp();
      ^
@@ -475,14 +473,14 @@
 
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `atoq'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 
 
 
 
 /usr/bin/x86_64-pc-linux-gnu-ld: /var/tmp/portage/sys-libs/libstdc++-v3-3.3.6-r4/temp/conftest.o: in function `main':
 conftest.c:(.text+0x4): undefined reference to `fprintf_unlocked'
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 
 
 
@@ -490,18 +488,18 @@
 
 
 
-configure:3817:1: warning: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Wimplicit-int]
+configure:3817:1: error: type specifier missing, defaults to 'int'; ISO C99 and later do not support implicit int [-Werror,-Wimplicit-int]
 main()
 ^
 int
-configure:3826:7: warning: call to undeclared function 'getgroups'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3826:7: error: call to undeclared function 'getgroups'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
   n = getgroups (sizeof (gidset) / MAX (sizeof (int), sizeof (gid_t)) - 1,
       ^
-configure:3830:3: warning: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
+configure:3830:3: error: call to undeclared library function 'exit' with type 'void (int) __attribute__((noreturn))'; ISO C99 and later do not support implicit function declarations [-Werror,-Wimplicit-function-declaration]
   exit ((n > 0 && gidset[n] != val.gval) ? 1 : 0);
   ^
 configure:3830:3: note: include the header <stdlib.h> or explicitly provide a declaration for 'exit'
-3 warnings generated.
+3 errors generated.
 
 
 
@@ -560,7 +558,7 @@
                         ^
 
 /usr/bin/x86_64-pc-linux-gnu-ld: cannot find -lunwind: No such file or directory
-clang-15: error: linker command failed with exit code 1 (use -v to see invocation)
+clang-14: error: linker command failed with exit code 1 (use -v to see invocation)
 configure:5257:6: warning: incompatible redeclaration of library function 'strerror' [-Wincompatible-library-redeclaration]
 char strerror();
      ^