upkeep

1 files changed, 22 insertions, 0 deletions

diff --git a/b.c b/b.c
index 22a2304..89ea2ce 100644
--- a/b.c
+++ b/b.c
@@ -210,9 +210,29 @@ build_objects(const char* lang,
   return true;
 }
 
+#include <time.h>
+float
+current_time()
+{
+  static struct timespec startTime;
+  static int isStartTimeInitialized = 0;
+
+  if (!isStartTimeInitialized) {
+    clock_gettime(CLOCK_MONOTONIC, &startTime);
+    isStartTimeInitialized = 1;
+  }
+
+  struct timespec currentTime;
+  clock_gettime(CLOCK_MONOTONIC, &currentTime);
+
+  return (currentTime.tv_sec - startTime.tv_sec) +
+         (currentTime.tv_nsec - startTime.tv_nsec) / 1e9f;
+}
+
 int
 main(int argc, char *argv[])
 {
+  float before_build = current_time();
   B_GO_REBUILD_URSELF(argc, argv);
 
   const char *program_name = b_shift_args(&argc, &argv);
@@ -275,6 +295,8 @@ main(int argc, char *argv[])
   if (!build_objects("C++", "src/cplusplus.cpp", cplusplus_deps, B_ARRAY_LEN(cplusplus_deps), objects, &it)) return 1;
   if (!build_c(force, &cmd, render_paths, B_ARRAY_LEN(render_paths), render_deps, B_ARRAY_LEN(render_deps), objects, B_ARRAY_LEN(objects), BUILD_DIR"render")) return 1;
 
+  b_log(B_INFO, "Build time: %.3f seconds", current_time() - before_build);
+
   return 0;
 }
 /*