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There are a few places where errors like the following are reported, ====== CXX cli/cli-cmds.o cli/cli-cmds.c:929:14: error: 'vfork' is deprecated: Use posix_spawn or fork [-Werror,-Wdeprecated-declarations] if ((pid = vfork ()) == 0) ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/unistd.h:604:1: note: 'vfork' has been explicitly marked deprecated here __deprecated_msg("Use posix_spawn or fork") ^ /Library/Developer/CommandLineTools/SDKs/MacOSX.sdk/usr/include/sys/cdefs.h:208:48: note: expanded from macro '__deprecated_msg' #define __deprecated_msg(_msg) __attribute__((__deprecated__(_msg))) ^ 1 error generated. ====== This patch is only available for the macOS platform. This is done by using macros to differentiate between specific platforms. Tested by rebuilding both on x86_64 linux and macOS Big Sur. --- gdb/cli/cli-cmds.c | 4 ++++ gdb/nat/fork-inferior.c | 4 ++++ gdb/ser-pipe.c | 4 ++++ 3 files changed, 12 insertions(+) diff --git a/gdb/cli/cli-cmds.c b/gdb/cli/cli-cmds.c index 0c680896c917..a1eac4c024f4 100644 --- a/gdb/cli/cli-cmds.c +++ b/gdb/cli/cli-cmds.c @@ -926,7 +926,11 @@ run_under_shell (const char *arg, int from_tty) #else /* Can fork. */ int status, pid; +#ifdef __APPLE__ + if ((pid = fork ()) == 0) +#else if ((pid = vfork ()) == 0) +#endif { const char *p, *user_shell = get_shell (); diff --git a/gdb/nat/fork-inferior.c b/gdb/nat/fork-inferior.c index 968983b20215..a9324a550011 100644 --- a/gdb/nat/fork-inferior.c +++ b/gdb/nat/fork-inferior.c @@ -355,7 +355,11 @@ fork_inferior (const char *exec_file_arg, const std::string &allargs, pid = fork (); else #endif +#ifndef __APPLE__ pid = vfork (); +#else + pid = fork(); +#endif if (pid < 0) perror_with_name (("vfork")); diff --git a/gdb/ser-pipe.c b/gdb/ser-pipe.c index 47ccd33cece3..2e9bfe0c0ceb 100644 --- a/gdb/ser-pipe.c +++ b/gdb/ser-pipe.c @@ -81,7 +81,11 @@ pipe_open (struct serial *scb, const char *name) apparent call to vfork() below *might* actually be a call to fork() due to the fact that autoconf will ``#define vfork fork'' on certain platforms. */ +#ifndef __APPLE__ pid = vfork (); +#else + pid = fork (); +#endif /* Error. */ if (pid == -1) -- 2.39.1