From 2a1220727a367e753b92131577ab0c2fd974bff8 Mon Sep 17 00:00:00 2001
From: Bojun Ren <bj.ren.coding@outlook.com>
Date: Tue, 24 Sep 2024 10:25:36 +0800
Subject: Fix platform compatibility for _os_find and _os_date functions

- Removed macOS-specific conditional checks in _os_find. Now using universal
  GNU find flag -maxdepth and -mindepth to simplify code. Note that -maxdepth
  and -mindepth are also available for macOS's find.
- Updated _os_date to handle multiple platforms more gracefully by attempting
  GNU date options first, falling back to BSD date options, and finally reverting
  to the current date and time if none of the preceding options are available.

These changes ensure broader compatibility across different operating systems
and utilities.
---
 configure | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/configure b/configure
index 2ca2da6f8..e574ed4f1 100755
--- a/configure
+++ b/configure
@@ -243,11 +243,7 @@ _os_find() {
     local name="${2}"
     local depth="${3}"
     if test_nz "${depth}"; then
-        if is_host "macosx"; then
-            _ret=$(find "${dir}" -depth "${depth}" -type f -name "${name}")
-        else
-            _ret=$(find "${dir}" -maxdepth "${depth}" -mindepth "${depth}" -type f -name "${name}")
-        fi
+        _ret=$(find "${dir}" -maxdepth "${depth}" -mindepth "${depth}" -type f -name "${name}")
     else
         _ret=$(find "${dir}" -type f -name "${name}")
     fi
@@ -259,10 +255,9 @@ _os_find() {
 _os_date() {
     if test_z "${SOURCE_DATE_EPOCH}"; then
         _ret=$(date +"${1}")
-    elif is_host "macosx" "freebsd" "bsd"; then
-        _ret=$(date -u -r "$SOURCE_DATE_EPOCH" +"${1}")
     else
-        _ret=$(date -u -d "@$SOURCE_DATE_EPOCH" +"${1}")
+        # Use GNU date options first, then fallback to BSD's, and finally fallback to current time.
+        _ret=$(date -u -d "@$SOURCE_DATE_EPOCH" +"${1}" 2>/dev/null || date -u -r "$SOURCE_DATE_EPOCH" +"${1}" 2>/dev/null || date +"${1}")
     fi
 }
 
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