From 66f61ece724a54253da36f70274bc320faf9f4e2 Mon Sep 17 00:00:00 2001
From: Marcin Kolny <marcin.kolny@gmail.com>
Date: Fri, 7 Jul 2023 11:11:10 +0100
Subject: [PATCH] Add more fixes for WebAssembly/WASI build

* force use timegm - WASI does not have timezone tables
* use basic implementation for `OPENSSL_issetugid()` - WASI doesn't support forking processes

CLA: trivial

Reviewed-by: Hugo Landau <hlandau@openssl.org>
Reviewed-by: Paul Dale <pauli@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/21389)
---
 crypto/asn1/a_time.c | 2 +-
 crypto/uid.c         | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/crypto/asn1/a_time.c b/crypto/asn1/a_time.c
index dd3724fc836..3bce55c01ad 100644
--- a/crypto/asn1/a_time.c
+++ b/crypto/asn1/a_time.c
@@ -595,7 +595,7 @@ int ASN1_TIME_compare(const ASN1_TIME *a, const ASN1_TIME *b)
 # define timezone _timezone
 #endif
 
-#ifdef __FreeBSD__
+#if defined(__FreeBSD__) || defined(__wasi__)
 # define USE_TIMEGM
 #endif
 
diff --git a/crypto/uid.c b/crypto/uid.c
index 698127779f5..e26c27c6749 100644
--- a/crypto/uid.c
+++ b/crypto/uid.c
@@ -10,7 +10,7 @@
 #include <openssl/crypto.h>
 #include <openssl/opensslconf.h>
 
-#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI)
+#if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_VXWORKS) || defined(OPENSSL_SYS_UEFI) || defined(__wasi__)
 
 int OPENSSL_issetugid(void)
 {
-- 
2.47.2