https://github.com/trahay/LiTL/pull/1

commit 3c9d0baaa0611b1cdc481c085cee766455491a6c
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Mon Feb 15 00:47:30 2021 +0100

    Fix test build warning on 32bit platforms
    
    fseek returns a long anyway.

diff --git a/tests/test_litl_mapping_to_fxt.c b/tests/test_litl_mapping_to_fxt.c
index ef32178..01a2342 100644
--- a/tests/test_litl_mapping_to_fxt.c
+++ b/tests/test_litl_mapping_to_fxt.c
@@ -79,7 +79,7 @@ int main() {
   fut_endup(filename);
   fut_done();
 
-  uint64_t size;
+  long size;
   FILE* fp = fopen(filename, "r");
   fseek(fp, 0L, SEEK_END);
   size = ftell(fp);
diff --git a/tests/test_litl_trace_size.c b/tests/test_litl_trace_size.c
index 5d1e8c9..78cc882 100644
--- a/tests/test_litl_trace_size.c
+++ b/tests/test_litl_trace_size.c
@@ -51,7 +51,7 @@ int main(int argc, char **argv) {
 
   printf("Events are recorded and written in the %s file\n", filename);
 
-  litl_param_t size;
+  long size;
   FILE* fp = fopen(filename, "r");
   fseek(fp, 0L, SEEK_END);
   size = ftell(fp);
