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bootstrap.c: allow overriding the host triple

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This commit is contained in:
Jacob Young 2024-02-03 22:10:50 +01:00
parent a65bc8d071
commit 5b803aecfb
1 changed files with 14 additions and 3 deletions
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17
bootstrap.c
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@ -54,6 +54,8 @@ static void print_and_run(const char **argv) {
}
static const char *get_host_os(void) {
const char *host_os = getenv("ZIG_HOST_TARGET_OS");
if (host_os != NULL) return host_os;
#if defined(__WIN32__)
return "windows";
#elif defined(__APPLE__)
@ -63,23 +65,32 @@ static const char *get_host_os(void) {
#elif defined(__FreeBSD__)
return "freebsd";
#else
#error TODO implement get_host_os in this build script for this target
panic("unknown host os, specify with ZIG_HOST_TARGET_OS");
#endif
}
static const char *get_host_arch(void) {
const char *host_arch = getenv("ZIG_HOST_TARGET_ARCH");
if (host_arch != NULL) return host_arch;
#if defined(__x86_64__ )
return "x86_64";
#elif defined(__aarch64__)
return "aarch64";
#else
#error TODO implement get_host_arch in this build script for this target
panic("unknown host arch, specify with ZIG_HOST_TARGET_ARCH");
#endif
}
static const char *get_host_abi(void) {
const char *host_abi = getenv("ZIG_HOST_TARGET_ABI");
return (host_abi == NULL) ? "" : host_abi;
}
static const char *get_host_triple(void) {
const char *host_triple = getenv("ZIG_HOST_TARGET_TRIPLE");
if (host_triple != NULL) return host_triple;
static char global_buffer[100];
sprintf(global_buffer, "%s-%s", get_host_arch(), get_host_os());
sprintf(global_buffer, "%s-%s%s", get_host_arch(), get_host_os(), get_host_abi());
return global_buffer;
}