[PATCH 4/4] Fix musl build

[Bernd Kuhls <bernd.kuhls@xxxxxxxxxxx>]

malloc_trim is a GNU extension and therefore not present in non-glibc C
libraries such as musl. Wrapping this in an ifdef fixes musl builds.

Signed-off-by: Bernd Kuhls <bernd.kuhls@xxxxxxxxxxx>
---
 vdr.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/vdr.c b/vdr.c
index 0f426e61..bc4902de 100644
--- a/vdr.c
+++ b/vdr.c
@@ -1588,12 +1588,14 @@ int main(int argc, char *argv[])
               cSchedules::Cleanup();
               // Plugins housekeeping:
               PluginManager.Housekeeping();
+#if defined(__GLIBC__)
               // Memory cleanup:
               static time_t LastMemoryCleanup = 0;
               if ((Now - LastMemoryCleanup) > MEMCLEANUPDELTA) {
                  malloc_trim(0);
                  LastMemoryCleanup = Now;
                  }
+#endif
               }
            }
 
-- 
2.39.2


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