Failed to build gem native extension under linux about perftools.rb

[tmm1]

can you try this patch:

diff --git a/ext/perftools.c b/ext/perftools.c
index 4226c64..c641fb9 100644
--- a/ext/perftools.c
+++ b/ext/perftools.c
@@ -319,7 +319,11 @@ uc_get_ip(ucontext_t *uc) {
 #     define program_counter uc_mcontext->__ss.__eip
 #   endif
 # else
-#  define program_counter uc_mcontext.gregs[REG_RIP]
+#    ifdef REG_RIP
+#      define program_counter uc_mcontext.gregs[REG_RIP]
+#    else
+#      define program_counter uc_mcontext.gregs[REG_EIP]
+#    endif
 # endif
   return (char**)&uc->program_counter;
 }

[ruanwz]

The latest commit fixed this issue. Thanks!