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.

1 files 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
 }