diff options
Diffstat (limited to 'dev-build/autoconf/files/autoconf-2.13-K-R-decls-clang.patch')
| -rw-r--r-- | dev-build/autoconf/files/autoconf-2.13-K-R-decls-clang.patch | 346 |
1 files changed, 346 insertions, 0 deletions
diff --git a/dev-build/autoconf/files/autoconf-2.13-K-R-decls-clang.patch b/dev-build/autoconf/files/autoconf-2.13-K-R-decls-clang.patch new file mode 100644 index 000000000000..42c3018aea8c --- /dev/null +++ b/dev-build/autoconf/files/autoconf-2.13-K-R-decls-clang.patch @@ -0,0 +1,346 @@ +https://bugs.gentoo.org/870412 +https://git.savannah.gnu.org/cgit/autoconf.git/commit/?id=8b5e2016c7ed2d67f31b03a3d2e361858ff5299b + +Backport the K&R decls fix to 2.13 to avoid configure tests +failing (often "silently", i.e. doesn't fail the build of +the package overall, just leads to wrong results) with +newer compilers like the upcoming Clang 16. + +From d8ad1096be4352c588b9bc1e16b6758f4f32b96a Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Arsen=20Arsenovi=C4=87?= <arsen@aarsen.me> +Date: Mon, 19 Sep 2022 01:38:29 +0200 +Subject: [PATCH] ac{general,specific}: declare void param lists, where apt + +--- a/acgeneral.m4 ++++ b/acgeneral.m4 +@@ -1542,7 +1542,7 @@ extern "C" + ])dnl + [/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +-char $1(); ++char $1(void); + ]), + [$1()], + [$2], +@@ -1597,7 +1597,7 @@ extern "C" + ])dnl + [/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +-char $2(); ++char $2(void); + ])), + [$2()], + eval "ac_cv_lib_$ac_lib_var=yes", +@@ -1733,7 +1733,7 @@ dnl [#]line __oline__ "[$]0" + [#]line __oline__ "configure" + #include "confdefs.h" + [$1] +-int main() { ++int main(void) { + [$2] + ; return 0; } + ])EOF +@@ -1777,7 +1777,7 @@ dnl [#]line __oline__ "[$]0" + [#]line __oline__ "configure" + #include "confdefs.h" + [$1] +-int main() { ++int main(void) { + [$2] + ; return 0; } + ])EOF +@@ -1934,7 +1934,7 @@ extern "C" + ])dnl + [/* We use char because int might match the return type of a gcc2 + builtin and then its argument prototype would still apply. */ +-char $1(); ++char $1(void); + ], [ + /* The GNU C library defines this for functions which it implements + to always fail with ENOSYS. Some functions are actually named +@@ -1988,7 +1988,7 @@ changequote([, ])dnl + AC_MSG_CHECKING(size of $1) + AC_CACHE_VAL(AC_CV_NAME, + [AC_TRY_RUN([#include <stdio.h> +-main() ++main(void) + { + FILE *f=fopen("conftestval", "w"); + if (!f) exit(1); +--- a/acspecific.m4 ++++ b/acspecific.m4 +@@ -202,7 +202,7 @@ AC_DEFUN(AC_PROG_CC_WORKS, + [AC_MSG_CHECKING([whether the C compiler ($CC $CFLAGS $LDFLAGS) works]) + AC_LANG_SAVE + AC_LANG_C +-AC_TRY_COMPILER([main(){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross) ++AC_TRY_COMPILER([int main(void){return(0);}], ac_cv_prog_cc_works, ac_cv_prog_cc_cross) + AC_LANG_RESTORE + AC_MSG_RESULT($ac_cv_prog_cc_works) + if test $ac_cv_prog_cc_works = no; then +@@ -217,7 +217,7 @@ AC_DEFUN(AC_PROG_CXX_WORKS, + [AC_MSG_CHECKING([whether the C++ compiler ($CXX $CXXFLAGS $LDFLAGS) works]) + AC_LANG_SAVE + AC_LANG_CPLUSPLUS +-AC_TRY_COMPILER([int main(){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross) ++AC_TRY_COMPILER([int main(void){return(0);}], ac_cv_prog_cxx_works, ac_cv_prog_cxx_cross) + AC_LANG_RESTORE + AC_MSG_RESULT($ac_cv_prog_cxx_works) + if test $ac_cv_prog_cxx_works = no; then +@@ -300,7 +300,7 @@ fi])]) + + AC_DEFUN(AC_PROG_CC_G, + [AC_CACHE_CHECK(whether ${CC-cc} accepts -g, ac_cv_prog_cc_g, +-[echo 'void f(){}' > conftest.c ++[echo 'void f(void){}' > conftest.c + if test -z "`${CC-cc} -g -c conftest.c 2>&1`"; then + ac_cv_prog_cc_g=yes + else +@@ -311,7 +311,7 @@ rm -f conftest* + + AC_DEFUN(AC_PROG_CXX_G, + [AC_CACHE_CHECK(whether ${CXX-g++} accepts -g, ac_cv_prog_cxx_g, +-[echo 'void f(){}' > conftest.cc ++[echo 'void f(void){}' > conftest.cc + if test -z "`${CXX-g++} -g -c conftest.cc 2>&1`"; then + ac_cv_prog_cxx_g=yes + else +@@ -371,7 +371,7 @@ changequote(, )dnl + sed -e 's/[^a-zA-Z0-9_]/_/g' -e 's/^[0-9]/_/'`" + changequote([, ])dnl + AC_CACHE_VAL(ac_cv_prog_cc_${ac_cc}_c_o, +-[echo 'foo(){}' > conftest.c ++[echo 'foo(void){}' > conftest.c + # Make sure it works both with $CC and with simple cc. + # We do the test twice because some compilers refuse to overwrite an + # existing .o file with -o, though they will create one. +@@ -709,7 +709,7 @@ AC_TRY_RUN([#include <ctype.h> + #define ISLOWER(c) ('a' <= (c) && (c) <= 'z') + #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) + #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +-int main () { int i; for (i = 0; i < 256; i++) ++int main (void) { int i; for (i = 0; i < 256; i++) + if (XOR (islower (i), ISLOWER (i)) || toupper (i) != TOUPPER (i)) exit(2); + exit (0); } + ], , ac_cv_header_stdc=no, :) +@@ -820,7 +820,7 @@ esac + AC_CACHE_CHECK(whether closedir returns void, ac_cv_func_closedir_void, + [AC_TRY_RUN([#include <sys/types.h> + #include <$ac_header_dirent> +-int closedir(); main() { exit(closedir(opendir(".")) != 0); }], ++int closedir(...); int main(void) { exit(closedir(opendir(".")) != 0); }], + ac_cv_func_closedir_void=no, ac_cv_func_closedir_void=yes, ac_cv_func_closedir_void=yes)]) + if test $ac_cv_func_closedir_void = yes; then + AC_DEFINE(VOID_CLOSEDIR) +@@ -911,7 +911,7 @@ changequote(<<, >>)dnl + #define NGID 256 + #undef MAX + #define MAX(x, y) ((x) > (y) ? (x) : (y)) +-main() ++int main(void) + { + gid_t gidset[NGID]; + int i, n; +@@ -973,7 +973,7 @@ AC_DEFUN(AC_TYPE_SIGNAL, + #ifdef __cplusplus + extern "C" void (*signal (int, void (*)(int)))(int); + #else +-void (*signal ()) (); ++void (*signal (void)) (void); + #endif + ], + [int i;], ac_cv_type_signal=void, ac_cv_type_signal=int)]) +@@ -989,7 +989,7 @@ AC_DEFUN(AC_FUNC_CLOSEDIR_VOID, + AC_CACHE_CHECK(whether closedir returns void, ac_cv_func_closedir_void, + [AC_TRY_RUN([#include <sys/types.h> + #include <$ac_header_dirent> +-int closedir(); main() { exit(closedir(opendir(".")) != 0); }], ++int closedir(...); int main(void) { exit(closedir(opendir(".")) != 0); }], + ac_cv_func_closedir_void=no, ac_cv_func_closedir_void=yes, ac_cv_func_closedir_void=yes)]) + if test $ac_cv_func_closedir_void = yes; then + AC_DEFINE(CLOSEDIR_VOID) +@@ -1001,7 +1001,7 @@ AC_DEFUN(AC_FUNC_FNMATCH, + # Some versions of Solaris or SCO have a broken fnmatch function. + # So we run a test program. If we are cross-compiling, take no chance. + # Thanks to John Oleynick and Franc,ois Pinard for this test. +-[AC_TRY_RUN([main() { exit (fnmatch ("a*", "abc", 0) != 0); }], ++[AC_TRY_RUN([int main(void) { exit (fnmatch ("a*", "abc", 0) != 0); }], + ac_cv_func_fnmatch_works=yes, ac_cv_func_fnmatch_works=no, + ac_cv_func_fnmatch_works=no)]) + if test $ac_cv_func_fnmatch_works = yes; then +@@ -1083,11 +1083,11 @@ AC_CACHE_CHECK(for working mmap, ac_cv_func_mmap_fixed_mapped, + #ifdef __cplusplus + extern "C" { void *malloc(unsigned); } + #else +-char *malloc(); ++char *malloc(...); + #endif + + int +-main() ++main(void) + { + char *data, *data2, *data3; + int i, pagesize; +@@ -1172,7 +1172,7 @@ int pid; + int pg1, pg2, pg3, pg4; + int ng, np, s, child; + +-main() ++int main(void) + { + pid = getpid(); + pg1 = getpgrp(0); +@@ -1228,7 +1228,7 @@ AC_TRY_RUN([ + * If this system has a BSD-style setpgrp, which takes arguments, exit + * successfully. + */ +-main() ++int main(void) + { + if (setpgrp(1,1) == -1) + exit(0); +@@ -1291,7 +1291,7 @@ sparc_address_test (arg) int arg; + } + } + } +-main() { ++int main(void) { + pid_t parent = getpid (); + pid_t child; + +@@ -1360,7 +1360,7 @@ AC_DEFUN(AC_FUNC_WAIT3, + #include <sys/resource.h> + #include <stdio.h> + /* HP-UX has wait3 but does not fill in rusage at all. */ +-main() { ++int main(void) { + struct rusage r; + int i; + /* Use a field that we can force nonzero -- +@@ -1416,7 +1416,7 @@ AC_CACHE_CHECK([for alloca], ac_cv_func_alloca_works, + #pragma alloca + # else + # ifndef alloca /* predefined by HP cc +Olibcalls */ +-char *alloca (); ++char *alloca (...); + # endif + # endif + # endif +@@ -1464,7 +1464,7 @@ AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction, + else + return (&dummy > addr) ? 1 : -1; + } +-main () ++int main (void) + { + exit (find_stack_direction() < 0); + }], ac_cv_c_stack_direction=1, ac_cv_c_stack_direction=-1, +@@ -1582,7 +1582,7 @@ AC_DEFUN(AC_FUNC_UTIME_NULL, + # Sequent interprets utime(file, 0) to mean use start of epoch. Wrong. + AC_TRY_RUN([#include <sys/types.h> + #include <sys/stat.h> +-main() { ++int main(void) { + struct stat s, t; + exit(!(stat ("conftestdata", &s) == 0 && utime("conftestdata", (long *)0) == 0 + && stat("conftestdata", &t) == 0 && t.st_mtime >= s.st_mtime +@@ -1598,7 +1598,7 @@ fi + AC_DEFUN(AC_FUNC_STRCOLL, + [AC_CACHE_CHECK(for working strcoll, ac_cv_func_strcoll_works, + [AC_TRY_RUN([#include <string.h> +-main () ++int main (void) + { + exit (strcoll ("abc", "def") >= 0 || + strcoll ("ABC", "DEF") >= 0 || +@@ -1615,7 +1615,7 @@ AC_DEFUN(AC_FUNC_SETVBUF_REVERSED, + ac_cv_func_setvbuf_reversed, + [AC_TRY_RUN([#include <stdio.h> + /* If setvbuf has the reversed format, exit 0. */ +-main () { ++int main (void) { + /* This call has the arguments reversed. + A reversed system may check and see that the address of main + is not _IOLBF, _IONBF, or _IOFBF, and return nonzero. */ +@@ -1647,7 +1647,7 @@ LIBS="-lintl $LIBS"])])]) + AC_DEFUN(AC_FUNC_MEMCMP, + [AC_CACHE_CHECK(for 8-bit clean memcmp, ac_cv_func_memcmp_clean, + [AC_TRY_RUN([ +-main() ++int main(void) + { + char c0 = 0x40, c1 = 0x80, c2 = 0x81; + exit(memcmp(&c0, &c2, 1) < 0 && memcmp(&c1, &c2, 1) < 0 ? 0 : 1); +@@ -1805,7 +1805,7 @@ AC_TRY_RUN( + #if !defined(__STDC__) || __STDC__ != 1 + #define volatile + #endif +-main() { ++int main(void) { + volatile char c = 255; exit(c < 0); + }], ac_cv_c_char_unsigned=yes, ac_cv_c_char_unsigned=no) + fi]) +@@ -1819,7 +1819,7 @@ AC_DEFUN(AC_C_LONG_DOUBLE, + [if test "$GCC" = yes; then + ac_cv_c_long_double=yes + else +-AC_TRY_RUN([int main() { ++AC_TRY_RUN([int main(void) { + /* The Stardent Vistra knows sizeof(long double), but does not support it. */ + long double foo = 0.0; + /* On Ultrix 4.3 cc, long double is 4 and double is 8. */ +@@ -1834,7 +1834,7 @@ fi + AC_DEFUN(AC_INT_16_BITS, + [AC_OBSOLETE([$0], [; instead use AC_CHECK_SIZEOF(int)])dnl + AC_MSG_CHECKING(whether int is 16 bits) +-AC_TRY_RUN([main() { exit(sizeof(int) != 2); }], ++AC_TRY_RUN([int main(void) { exit(sizeof(int) != 2); }], + [AC_MSG_RESULT(yes) + AC_DEFINE(INT_16_BITS)], AC_MSG_RESULT(no)) + ]) +@@ -1842,7 +1842,7 @@ AC_TRY_RUN([main() { exit(sizeof(int) != 2); }], + AC_DEFUN(AC_LONG_64_BITS, + [AC_OBSOLETE([$0], [; instead use AC_CHECK_SIZEOF(long)])dnl + AC_MSG_CHECKING(whether long int is 64 bits) +-AC_TRY_RUN([main() { exit(sizeof(long int) != 8); }], ++AC_TRY_RUN([int main(void) { exit(sizeof(long int) != 8); }], + [AC_MSG_RESULT(yes) + AC_DEFINE(LONG_64_BITS)], AC_MSG_RESULT(no)) + ]) +@@ -1862,7 +1862,7 @@ AC_TRY_COMPILE([#include <sys/types.h> + not big endian + #endif], ac_cv_c_bigendian=yes, ac_cv_c_bigendian=no)]) + if test $ac_cv_c_bigendian = unknown; then +-AC_TRY_RUN([main () { ++AC_TRY_RUN([int main (void) { + /* Are we little or big endian? From Harbison&Steele. */ + union + { +@@ -1885,7 +1885,7 @@ AC_DEFUN(AC_C_INLINE, + [AC_CACHE_CHECK([for inline], ac_cv_c_inline, + [ac_cv_c_inline=no + for ac_kw in inline __inline__ __inline; do +- AC_TRY_COMPILE(, [} $ac_kw foo() {], [ac_cv_c_inline=$ac_kw; break]) ++ AC_TRY_COMPILE(, [} $ac_kw foo(void) {], [ac_cv_c_inline=$ac_kw; break]) + done + ]) + case "$ac_cv_c_inline" in +@@ -2277,7 +2277,7 @@ AC_DEFUN(AC_SYS_RESTARTABLE_SYSCALLS, + #include <sys/types.h> + #include <signal.h> + ucatch (isig) { } +-main () { ++int main (void) { + int i = fork (), status; + if (i == 0) { sleep (3); kill (getppid (), SIGINT); sleep (3); exit (0); } + signal (SIGINT, ucatch); +@@ -2654,7 +2654,7 @@ AC_CACHE_VAL(ac_cv_exeext, + ac_cv_exeext=.exe + else + rm -f conftest* +- echo 'int main () { return 0; }' > conftest.$ac_ext ++ echo 'int main (void) { return 0; }' > conftest.$ac_ext + ac_cv_exeext= + if AC_TRY_EVAL(ac_link); then + for file in conftest.*; do |