summaryrefslogtreecommitdiffstats
path: root/tools/util-linux/patches/101-macos-weak-aliases.patch
blob: e5d0f9d0b839c846f3bf1689d5c9289ac7bd8da6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
From 9445f477cfcfb3615ffde8f93b1b98c809ee4eca Mon Sep 17 00:00:00 2001
From: Eugene Gershnik <gershnik@users.noreply.github.com>
Date: Mon, 6 May 2024 09:29:39 -0700
Subject: [PATCH] This re-enables build on macOS.

Weak aliases are not supported by clang on Darwin.
Instead this fix uses inline asm to make `_uuid_time` and alias to `___uuid_time`

Fixes util-linux/util-linux#2873
---
 libuuid/src/uuid_time.c | 4 ++++
 1 file changed, 4 insertions(+)

--- a/libuuid/src/uuid_time.c
+++ b/libuuid/src/uuid_time.c
@@ -85,6 +85,10 @@ time_t __uuid_time(const uuid_t uu, stru
 }
 #if defined(__USE_TIME_BITS64) && defined(__GLIBC__)
 extern time_t uuid_time64(const uuid_t uu, struct timeval *ret_tv) __attribute__((weak, alias("__uuid_time")));
+#elif defined(__clang__) && defined(__APPLE__)
+__asm__(".globl _uuid_time");
+__asm__(".set _uuid_time, ___uuid_time");
+extern time_t uuid_time(const uuid_t uu, struct timeval *ret_tv);
 #else
 extern time_t uuid_time(const uuid_t uu, struct timeval *ret_tv) __attribute__((weak, alias("__uuid_time")));
 #endif