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Revise the use of macOS predefined macro

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Quoted from "Porting UNIX/Linux Applications to OS X,"[1]
* macro __MACH__ is defined if Mach system calls are supported;
* macro __APPLE__ is defined in any Apple computer.

__MACH__ is not specific to macOS since GNU/Hurd runs on a Mach-based
microkernel (gnumach) [2]. __MACH__ is defined by the compiler,
leading to potential confusions. The solution is just changing the
checked identifier (i.e. __APPLE__), so it is really used only on
macOS.

[1] https://developer.apple.com/library/archive/documentation/Porting/Conceptual/PortingUnix/compiling/compiling.html
[2] https://www.gnu.org/software/hurd/microkernel/mach/gnumach.html
This commit is contained in:
Jim Huang 2021-04-19 01:02:13 +08:00
parent b19da8e362
commit 3402c6cc3f
4 changed files with 12 additions and 12 deletions
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4
src/options.c
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@ -259,7 +259,7 @@ static _Atomic(uintptr_t) warning_count; // = 0; // when >= max_warning_count s
static mi_decl_thread bool recurse = false;
static bool mi_recurse_enter(void) {
#if defined(__MACH__) || defined(MI_TLS_RECURSE_GUARD)
#if defined(__APPLE__) || defined(MI_TLS_RECURSE_GUARD)
if (_mi_preloading()) return true;
#endif
if (recurse) return false;
@ -268,7 +268,7 @@ static bool mi_recurse_enter(void) {
}
static void mi_recurse_exit(void) {
#if defined(__MACH__) || defined(MI_TLS_RECURSE_GUARD)
#if defined(__APPLE__) || defined(MI_TLS_RECURSE_GUARD)
if (_mi_preloading()) return;
#endif
recurse = false;