1 files changed, 14 insertions, 2 deletions
diff --git a/ninja/src/util.cc b/ninja/src/util.cc
index aa47f2f69bf..e31fd1fa2bb 100644
--- a/ninja/src/util.cc
+++ b/ninja/src/util.cc
@@ -45,6 +45,8 @@
 #elif defined(__SVR4) && defined(__sun)
 #include <unistd.h>
 #include <sys/loadavg.h>
+#elif defined(_AIX)
+#include <libperfstat.h>
 #elif defined(linux) || defined(__GLIBC__)
 #include <sys/sysinfo.h>
 #endif
@@ -224,8 +226,8 @@ bool CanonicalizePath(char* path, size_t* len, unsigned int* slash_bits,
   }
 
   if (dst == start) {
-    *err = "path canonicalizes to the empty path";
-    return false;
+    *dst++ = '.';
+    *dst++ = '\0';
   }
 
   *len = dst - start - 1;
@@ -573,6 +575,16 @@ double GetLoadAverage() {
 
   return posix_compatible_load;
 }
+#elif defined(_AIX)
+double GetLoadAverage() {
+  perfstat_cpu_total_t cpu_stats;
+  if (perfstat_cpu_total(NULL, &cpu_stats, sizeof(cpu_stats), 1) < 0) {
+    return -0.0f;
+  }
+
+  // Calculation taken from comment in libperfstats.h
+  return double(cpu_stats.loadavg[0]) / double(1 << SBITS);
+}
 #else
 double GetLoadAverage() {
   double loadavg[3] = { 0.0f, 0.0f, 0.0f };