diff options
Diffstat (limited to 'dev-build/autoconf/files/autoconf-2.13-Clang-16-fixes-for-various-tests.patch')
| -rw-r--r-- | dev-build/autoconf/files/autoconf-2.13-Clang-16-fixes-for-various-tests.patch | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/dev-build/autoconf/files/autoconf-2.13-Clang-16-fixes-for-various-tests.patch b/dev-build/autoconf/files/autoconf-2.13-Clang-16-fixes-for-various-tests.patch new file mode 100644 index 000000000000..d158f7974e81 --- /dev/null +++ b/dev-build/autoconf/files/autoconf-2.13-Clang-16-fixes-for-various-tests.patch @@ -0,0 +1,331 @@ +From cb92e8110d1f274b28d5c156a93c525d2b748644 Mon Sep 17 00:00:00 2001 +From: Sam James <sam@gentoo.org> +Date: Wed, 9 Nov 2022 08:27:53 +0000 +Subject: [PATCH] Clang 16 fixes for various tests + +Fixes -Wimplicit-int and -Wimplicit-function-declaration +issues in various built-in tests. + +Noticed when building XEmacs 21.4 (thanks to matsl for reporting). + +Bug: https://bugs.gentoo.org/874366 +Signed-off-by: Sam James <sam@gentoo.org> +--- a/acgeneral.m4 ++++ b/acgeneral.m4 +@@ -1988,7 +1988,8 @@ changequote([, ])dnl + AC_MSG_CHECKING(size of $1) + AC_CACHE_VAL(AC_CV_NAME, + [AC_TRY_RUN([#include <stdio.h> +-main(void) ++#include <stdlib.h> ++int main(void) + { + FILE *f=fopen("conftestval", "w"); + if (!f) exit(1); +--- a/acspecific.m4 ++++ b/acspecific.m4 +@@ -371,7 +371,7 @@ changequote(, )dnl + sed -e 's/[^a-zA-Z0-9_]/_/g' -e 's/^[0-9]/_/'`" + changequote([, ])dnl + AC_CACHE_VAL(ac_cv_prog_cc_${ac_cc}_c_o, +-[echo 'foo(void){}' > conftest.c ++[echo 'int 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. +@@ -706,6 +706,7 @@ fi + if test $ac_cv_header_stdc = yes; then + # /bin/cc in Irix-4.0.5 gets non-ANSI ctype macros unless using -ansi. + AC_TRY_RUN([#include <ctype.h> ++#include <stdlib.h> + #define ISLOWER(c) ('a' <= (c) && (c) <= 'z') + #define TOUPPER(c) (ISLOWER(c) ? 'A' + ((c) - 'a') : (c)) + #define XOR(e, f) (((e) && !(f)) || (!(e) && (f))) +@@ -819,6 +820,7 @@ esac + + AC_CACHE_CHECK(whether closedir returns void, ac_cv_func_closedir_void, + [AC_TRY_RUN([#include <sys/types.h> ++#include <stdlib.h> + #include <$ac_header_dirent> + 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)]) +@@ -907,6 +909,8 @@ AC_CACHE_CHECK(type of array argument to getgroups, ac_cv_type_getgroups, + changequote(<<, >>)dnl + << + /* Thanks to Mike Rendell for this test. */ ++#include <stdlib.h> ++#include <unistd.h> + #include <sys/types.h> + #define NGID 256 + #undef MAX +@@ -988,6 +992,7 @@ AC_DEFUN(AC_FUNC_CLOSEDIR_VOID, + [AC_REQUIRE([AC_HEADER_DIRENT])dnl + AC_CACHE_CHECK(whether closedir returns void, ac_cv_func_closedir_void, + [AC_TRY_RUN([#include <sys/types.h> ++#include <stdlib.h> + #include <$ac_header_dirent> + 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)]) +@@ -1001,7 +1006,9 @@ 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([int main(void) { exit (fnmatch ("a*", "abc", 0) != 0); }], ++[AC_TRY_RUN([#include <stdlib.h> ++#include <fnmatch.h> ++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 +@@ -1038,6 +1045,7 @@ AC_CACHE_CHECK(for working mmap, ac_cv_func_mmap_fixed_mapped, + #include <sys/types.h> + #include <fcntl.h> + #include <sys/mman.h> ++#include <stdlib.h> + + /* This mess was copied from the GNU getpagesize.h. */ + #ifndef HAVE_GETPAGESIZE +@@ -1165,49 +1173,17 @@ AC_DEFUN(AC_FUNC_GETPGRP, + * + * Snarfed from Chet Ramey's bash pgrp.c test program + */ +-#include <stdio.h> +-#include <sys/types.h> +- +-int pid; +-int pg1, pg2, pg3, pg4; +-int ng, np, s, child; ++#include <stdlib.h> + + int main(void) + { +- pid = getpid(); +- pg1 = getpgrp(0); +- pg2 = getpgrp(); +- pg3 = getpgrp(pid); +- pg4 = getpgrp(1); +- +- /* +- * If all of these values are the same, it's pretty sure that +- * we're on a system that ignores getpgrp's first argument. +- */ +- if (pg2 == pg4 && pg1 == pg3 && pg2 == pg3) +- exit(0); +- +- child = fork(); +- if (child < 0) +- exit(1); +- else if (child == 0) { +- np = getpid(); +- /* +- * If this is Sys V, this will not work; pgrp will be +- * set to np because setpgrp just changes a pgrp to be +- * the same as the pid. +- */ +- setpgrp(np, pg1); +- ng = getpgrp(0); /* Same result for Sys V and BSD */ +- if (ng == pg1) { +- exit(1); +- } else { +- exit(0); +- } +- } else { +- wait(&s); +- exit(s>>8); +- } ++ /* XXX: Gentoo: This function used to check for ++ BSD vs POSIX getpgrp but the test fails to compile ++ on modern POSIX systems when not relying on implicit ++ function declarations. It has no value anyway on such ++ systems and it's been removed in newer autoconf. ++ */ ++ exit(0); + } + ], ac_cv_func_getpgrp_void=yes, ac_cv_func_getpgrp_void=no, + AC_MSG_ERROR(cannot check getpgrp if cross compiling)) +@@ -1220,9 +1196,7 @@ fi + AC_DEFUN(AC_FUNC_SETPGRP, + [AC_CACHE_CHECK(whether setpgrp takes no argument, ac_cv_func_setpgrp_void, + AC_TRY_RUN([ +-#ifdef HAVE_UNISTD_H +-#include <unistd.h> +-#endif ++#include <stdlib.h> + + /* + * If this system has a BSD-style setpgrp, which takes arguments, exit +@@ -1230,10 +1204,13 @@ AC_TRY_RUN([ + */ + int main(void) + { +- if (setpgrp(1,1) == -1) +- exit(0); +- else +- exit(1); ++ /* XXX: Gentoo: This function used to check for ++ BSD vs POSIX gsetpgrp but the test fails to compile ++ on modern POSIX systems when not relying on implicit ++ function declarations. It has no value anyway on such ++ systems and it's been removed in newer autoconf. ++ */ ++ exit(1); + } + ], ac_cv_func_setpgrp_void=no, ac_cv_func_setpgrp_void=yes, + AC_MSG_ERROR(cannot check setpgrp if cross compiling)) +@@ -1255,9 +1232,11 @@ AC_DEFUN(AC_FUNC_VFORK, + AC_CHECK_HEADER(vfork.h, AC_DEFINE(HAVE_VFORK_H)) + AC_CACHE_CHECK(for working vfork, ac_cv_func_vfork_works, + [AC_TRY_RUN([/* Thanks to Paul Eggert for this test. */ ++#include <stdlib.h> + #include <stdio.h> + #include <sys/types.h> + #include <sys/stat.h> ++#include <sys/wait.h> + #ifdef HAVE_UNISTD_H + #include <unistd.h> + #endif +@@ -1270,11 +1249,11 @@ AC_CACHE_CHECK(for working vfork, ac_cv_func_vfork_works, + but some compilers (e.g. gcc -O) don't grok <vfork.h>. + Test for this by using a static variable whose address + is put into a register that is clobbered by the vfork. */ +-static ++static void + #ifdef __cplusplus + sparc_address_test (int arg) + #else +-sparc_address_test (arg) int arg; ++sparc_address_test (int arg) + #endif + { + static pid_t child; +@@ -1359,6 +1338,8 @@ AC_DEFUN(AC_FUNC_WAIT3, + #include <sys/time.h> + #include <sys/resource.h> + #include <stdio.h> ++#include <stdlib.h> ++#include <unistd.h> + /* HP-UX has wait3 but does not fill in rusage at all. */ + int main(void) { + struct rusage r; +@@ -1452,7 +1433,8 @@ done + fi + + AC_CACHE_CHECK(stack direction for C alloca, ac_cv_c_stack_direction, +-[AC_TRY_RUN([find_stack_direction () ++[AC_TRY_RUN([#include <stdlib.h> ++int find_stack_direction () + { + static char *addr = 0; + auto char dummy; +@@ -1582,6 +1564,8 @@ 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> ++#include <stdlib.h> ++#include <utime.h> + int main(void) { + struct stat s, t; + exit(!(stat ("conftestdata", &s) == 0 && utime("conftestdata", (long *)0) == 0 +@@ -1598,6 +1582,7 @@ fi + AC_DEFUN(AC_FUNC_STRCOLL, + [AC_CACHE_CHECK(for working strcoll, ac_cv_func_strcoll_works, + [AC_TRY_RUN([#include <string.h> ++#include <stdlib.h> + int main (void) + { + exit (strcoll ("abc", "def") >= 0 || +@@ -1614,6 +1599,7 @@ AC_DEFUN(AC_FUNC_SETVBUF_REVERSED, + [AC_CACHE_CHECK(whether setvbuf arguments are reversed, + ac_cv_func_setvbuf_reversed, + [AC_TRY_RUN([#include <stdio.h> ++#include <stdlib.h> + /* If setvbuf has the reversed format, exit 0. */ + int main (void) { + /* This call has the arguments reversed. +@@ -1646,7 +1632,8 @@ LIBS="-lintl $LIBS"])])]) + + AC_DEFUN(AC_FUNC_MEMCMP, + [AC_CACHE_CHECK(for 8-bit clean memcmp, ac_cv_func_memcmp_clean, +-[AC_TRY_RUN([ ++[AC_TRY_RUN([#include <stdlib.h> ++#include <string.h> + int main(void) + { + char c0 = 0x40, c1 = 0x80, c2 = 0x81; +@@ -1805,6 +1792,7 @@ AC_TRY_RUN( + #if !defined(__STDC__) || __STDC__ != 1 + #define volatile + #endif ++#include <stdlib.h> + int main(void) { + volatile char c = 255; exit(c < 0); + }], ac_cv_c_char_unsigned=yes, ac_cv_c_char_unsigned=no) +@@ -1819,7 +1807,8 @@ AC_DEFUN(AC_C_LONG_DOUBLE, + [if test "$GCC" = yes; then + ac_cv_c_long_double=yes + else +-AC_TRY_RUN([int main(void) { ++AC_TRY_RUN([#include <stdlib.h> ++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 +1823,8 @@ 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([int main(void) { exit(sizeof(int) != 2); }], ++AC_TRY_RUN([#include <stdlib.h> ++int main(void) { exit(sizeof(int) != 2); }], + [AC_MSG_RESULT(yes) + AC_DEFINE(INT_16_BITS)], AC_MSG_RESULT(no)) + ]) +@@ -1842,7 +1832,8 @@ AC_TRY_RUN([int main(void) { 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([int main(void) { exit(sizeof(long int) != 8); }], ++AC_TRY_RUN([#include <stdlib.h> ++int main(void) { exit(sizeof(long int) != 8); }], + [AC_MSG_RESULT(yes) + AC_DEFINE(LONG_64_BITS)], AC_MSG_RESULT(no)) + ]) +@@ -1862,7 +1853,8 @@ 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([int main (void) { ++AC_TRY_RUN([#include <stdlib.h> ++int main (void) { + /* Are we little or big endian? From Harbison&Steele. */ + union + { +@@ -1885,7 +1877,7 @@ 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(, [} $ac_kw foo(void) {], [ac_cv_c_inline=$ac_kw; break]) ++ AC_TRY_COMPILE(, [} $ac_kw int foo(void) {], [ac_cv_c_inline=$ac_kw; break]) + done + ]) + case "$ac_cv_c_inline" in +@@ -2275,7 +2267,10 @@ AC_DEFUN(AC_SYS_RESTARTABLE_SYSCALLS, + i.e. the pid of the child, which means that wait was restarted + after getting the signal. */ + #include <sys/types.h> ++#include <sys/wait.h> + #include <signal.h> ++#include <stdlib.h> ++#include <unistd.h> + ucatch (isig) { } + int main (void) { + int i = fork (), status; +@@ -2444,7 +2439,7 @@ if test "$ac_x_libraries" = NO; then + # Don't add to $LIBS permanently. + ac_save_LIBS="$LIBS" + LIBS="-l$x_direct_test_library $LIBS" +-AC_TRY_LINK(, [${x_direct_test_function}()], ++AC_TRY_LINK([#include <X11/Intrinsic.h>], [${x_direct_test_function}(0)], + [LIBS="$ac_save_LIBS" + # We can link X programs with no special library path. + ac_x_libraries=], |