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From: Alan Modra <amodra@sourceware.org> To: bfd-cvs@sourceware.org Subject: [binutils-gdb] PR17122, OSX 10.9 build failure Date: Fri, 22 Jul 2022 03:09:32 +0000 (GMT) [thread overview] Message-ID: <20220722030932.05826383569B@sourceware.org> (raw) https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=6577f365ebdee7dda71cb996efa29d3714cbccd0 commit 6577f365ebdee7dda71cb996efa29d3714cbccd0 Author: Alan Modra <amodra@gmail.com> Date: Fri Jul 22 12:11:24 2022 +0930 PR17122, OSX 10.9 build failure sbrk hasn't been used in binutils/ or ld/ for quite some time (so the PR was fixed a while ago). Tidy up configury. PR 17122 binutils/ * configure.ac: Don't check for sbrk. * sysdep.h (sbrk): Don't supply fallback declaration. * config.in: Regenerate. * configure: Regenerate. ld/ * configure.ac: Don't check for sbrk. * config.in: Regenerate. * configure: Regenerate. Diff: --- binutils/config.in | 7 ------- binutils/configure | 12 +----------- binutils/configure.ac | 4 ++-- binutils/sysdep.h | 6 ------ ld/config.in | 7 ------- ld/configure | 12 +----------- ld/configure.ac | 4 ++-- 7 files changed, 6 insertions(+), 46 deletions(-) diff --git a/binutils/config.in b/binutils/config.in index 81bd143140e..131f09b4212 100644 --- a/binutils/config.in +++ b/binutils/config.in @@ -47,10 +47,6 @@ /* Is the prototype for getopt in <unistd.h> in the expected format? */ #undef HAVE_DECL_GETOPT -/* Define to 1 if you have the declaration of `sbrk', and to 0 if you don't. - */ -#undef HAVE_DECL_SBRK - /* Define to 1 if you have the declaration of `stpcpy', and to 0 if you don't. */ #undef HAVE_DECL_STPCPY @@ -107,9 +103,6 @@ /* Define to 1 if msgpack is available. */ #undef HAVE_MSGPACK -/* Define to 1 if you have the `sbrk' function. */ -#undef HAVE_SBRK - /* Define to 1 if you have the <stdint.h> header file. */ #undef HAVE_STDINT_H diff --git a/binutils/configure b/binutils/configure index dffb75c5a71..ddb3020b3c9 100755 --- a/binutils/configure +++ b/binutils/configure @@ -13352,7 +13352,7 @@ $as_echo "#define HAVE_MMAP 1" >>confdefs.h fi rm -f conftest.mmap conftest.txt -for ac_func in getc_unlocked mkdtemp mkstemp sbrk utimensat utimes +for ac_func in getc_unlocked mkdtemp mkstemp utimensat utimes do : as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" @@ -13678,16 +13678,6 @@ fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_GETC_UNLOCKED $ac_have_decl _ACEOF -ac_fn_c_check_decl "$LINENO" "sbrk" "ac_cv_have_decl_sbrk" "$ac_includes_default" -if test "x$ac_cv_have_decl_sbrk" = xyes; then : - ac_have_decl=1 -else - ac_have_decl=0 -fi - -cat >>confdefs.h <<_ACEOF -#define HAVE_DECL_SBRK $ac_have_decl -_ACEOF ac_fn_c_check_decl "$LINENO" "stpcpy" "ac_cv_have_decl_stpcpy" "$ac_includes_default" if test "x$ac_cv_have_decl_stpcpy" = xyes; then : ac_have_decl=1 diff --git a/binutils/configure.ac b/binutils/configure.ac index e204a201a0a..50dac4ee8f4 100644 --- a/binutils/configure.ac +++ b/binutils/configure.ac @@ -186,7 +186,7 @@ AC_CHECK_HEADERS(fcntl.h inttypes.h stdint.h sys/file.h \ sys/stat.h sys/time.h sys/types.h unistd.h) AC_HEADER_SYS_WAIT AC_FUNC_MMAP -AC_CHECK_FUNCS(getc_unlocked mkdtemp mkstemp sbrk utimensat utimes) +AC_CHECK_FUNCS(getc_unlocked mkdtemp mkstemp utimensat utimes) AC_MSG_CHECKING([for mbstate_t]) AC_TRY_COMPILE([#include <wchar.h>], @@ -266,7 +266,7 @@ if test $bu_cv_header_utime_h = yes; then AC_DEFINE(HAVE_GOOD_UTIME_H, 1, [Does <utime.h> define struct utimbuf?]) fi -AC_CHECK_DECLS([asprintf, environ, getc_unlocked, sbrk, stpcpy, strnlen]) +AC_CHECK_DECLS([asprintf, environ, getc_unlocked, stpcpy, strnlen]) # Link in zlib if we can. This allows us to read compressed debug # sections. This is used only by readelf.c (objdump uses bfd for diff --git a/binutils/sysdep.h b/binutils/sysdep.h index ef3093ee9de..f2991c7e7ac 100644 --- a/binutils/sysdep.h +++ b/binutils/sysdep.h @@ -58,12 +58,6 @@ extern char *stpcpy (char *, const char *); #endif -#ifdef HAVE_SBRK -#if !HAVE_DECL_SBRK -extern char *sbrk (); -#endif -#endif - #if !HAVE_DECL_ENVIRON extern char **environ; #endif diff --git a/ld/config.in b/ld/config.in index d4c1fc420b5..0ccd79d59cd 100644 --- a/ld/config.in +++ b/ld/config.in @@ -75,10 +75,6 @@ /* Is the prototype for getopt in <unistd.h> in the expected format? */ #undef HAVE_DECL_GETOPT -/* Define to 1 if you have the declaration of `sbrk', and to 0 if you don't. - */ -#undef HAVE_DECL_SBRK - /* Define to 1 if you have the <dlfcn.h> header file. */ #undef HAVE_DLFCN_H @@ -127,9 +123,6 @@ /* Define to 1 if you have the `realpath' function. */ #undef HAVE_REALPATH -/* Define to 1 if you have the `sbrk' function. */ -#undef HAVE_SBRK - /* Define to 1 if you have the <stdint.h> header file. */ #undef HAVE_STDINT_H diff --git a/ld/configure b/ld/configure index fbbcb5246bb..1c2b64870b1 100755 --- a/ld/configure +++ b/ld/configure @@ -16700,7 +16700,7 @@ fi done -for ac_func in close glob lseek mkstemp open realpath sbrk waitpid +for ac_func in close glob lseek mkstemp open realpath waitpid do : as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh` ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var" @@ -16741,16 +16741,6 @@ fi cat >>confdefs.h <<_ACEOF #define HAVE_DECL_ENVIRON $ac_have_decl _ACEOF -ac_fn_c_check_decl "$LINENO" "sbrk" "ac_cv_have_decl_sbrk" "$ac_includes_default" -if test "x$ac_cv_have_decl_sbrk" = xyes; then : - ac_have_decl=1 -else - ac_have_decl=0 -fi - -cat >>confdefs.h <<_ACEOF -#define HAVE_DECL_SBRK $ac_have_decl -_ACEOF diff --git a/ld/configure.ac b/ld/configure.ac index 4331d6b1302..eb55904c090 100644 --- a/ld/configure.ac +++ b/ld/configure.ac @@ -366,11 +366,11 @@ AC_SUBST(NATIVE_LIB_DIRS) AC_CHECK_HEADERS(fcntl.h elf-hints.h limits.h inttypes.h stdint.h \ sys/file.h sys/mman.h sys/param.h sys/stat.h sys/time.h \ sys/types.h unistd.h) -AC_CHECK_FUNCS(close glob lseek mkstemp open realpath sbrk waitpid) +AC_CHECK_FUNCS(close glob lseek mkstemp open realpath waitpid) BFD_BINARY_FOPEN -AC_CHECK_DECLS([asprintf, environ, sbrk]) +AC_CHECK_DECLS([asprintf, environ]) AC_FUNC_MMAP
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