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iOS compile fix

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`crt_externs.h` is available only available with iOS-13 sdk. we
therefore add a `__has_include` check to see if it is actually available
This commit is contained in:
Tim Blechmann 2020-08-26 11:47:24 +08:00
parent a9686d6ecf
commit 1190e0c053
1 changed files with 1 additions and 1 deletions
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src/options.c
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@ -422,7 +422,7 @@ static bool mi_getenv(const char* name, char* result, size_t result_size) {
#elif !defined(MI_USE_ENVIRON) || (MI_USE_ENVIRON!=0) #elif !defined(MI_USE_ENVIRON) || (MI_USE_ENVIRON!=0)
// On Posix systemsr use `environ` to acces environment variables // On Posix systemsr use `environ` to acces environment variables
// even before the C runtime is initialized. // even before the C runtime is initialized.
#if defined(__APPLE__) #if defined(__APPLE__) && defined(__has_include) && __has_include(<crt_externs.h>)
#include <crt_externs.h> #include <crt_externs.h>
static char** mi_get_environ(void) { static char** mi_get_environ(void) {
return (*_NSGetEnviron()); return (*_NSGetEnviron());