--- a/base/process/launch.h
+++ b/base/process/launch.h
@@ -54,6 +54,9 @@
 #if defined(ARCH_CPU_ARM64)
 #define PTHREAD_STACK_MIN_CONST \
   (__builtin_constant_p(PTHREAD_STACK_MIN) ? PTHREAD_STACK_MIN : 131072)
+#elif defined(ARCH_CPU_PPC64)
+#define PTHREAD_STACK_MIN_CONST \
+  (__builtin_constant_p(PTHREAD_STACK_MIN) ? PTHREAD_STACK_MIN : 131072)
 #else
 #define PTHREAD_STACK_MIN_CONST \
   (__builtin_constant_p(PTHREAD_STACK_MIN) ? PTHREAD_STACK_MIN : 16384)