diff --git a/devel/pecl-grpc/files/patch-third__party_abseil-cpp_absl_debugging_internal_vdso__support.cc b/devel/pecl-grpc/files/patch-third__party_abseil-cpp_absl_debugging_internal_vdso__support.cc
new file mode 100644
index 000000000000..b66b869a7cd0
--- /dev/null
+++ b/devel/pecl-grpc/files/patch-third__party_abseil-cpp_absl_debugging_internal_vdso__support.cc
@@ -0,0 +1,12 @@
+--- third_party/abseil-cpp/absl/debugging/internal/vdso_support.cc.orig	2022-01-21 00:04:09 UTC
++++ third_party/abseil-cpp/absl/debugging/internal/vdso_support.cc
+@@ -51,7 +51,9 @@
+ #endif
+ 
+ #if defined(__FreeBSD__)
++#if __ELF_WORD_SIZE == 64
+ using Elf64_auxv_t = Elf64_Auxinfo;
++#endif
+ using Elf32_auxv_t = Elf32_Auxinfo;
+ #endif
+