https://github.com/fasterthanlime/homebrew-mingw/blob/master/Library/Formula/minisat.rb

diff --git a/utils/System.cc b/utils/System.cc
index a7cf53f..feeaf3c 100644
--- a/utils/System.cc
+++ b/utils/System.cc
@@ -78,16 +78,17 @@ double Minisat::memUsed(void) {
     struct rusage ru;
     getrusage(RUSAGE_SELF, &ru);
     return (double)ru.ru_maxrss / 1024; }
-double MiniSat::memUsedPeak(void) { return memUsed(); }
+double Minisat::memUsedPeak(void) { return memUsed(); }
 
 
 #elif defined(__APPLE__)
 #include <malloc/malloc.h>
 
-double Minisat::memUsed(void) {
+double Minisat::memUsed() {
     malloc_statistics_t t;
     malloc_zone_statistics(NULL, &t);
     return (double)t.max_size_in_use / (1024*1024); }
+double Minisat::memUsedPeak() { return memUsed(); }
 
 #else
 double Minisat::memUsed() {