diff --git a/pkgs/top-level/perl-packages.nix b/pkgs/top-level/perl-packages.nix
index 67ffcc995837..39c6ea145d5e 100644
--- a/pkgs/top-level/perl-packages.nix
+++ b/pkgs/top-level/perl-packages.nix
@@ -15440,7 +15440,7 @@ with self; {
     # Workaround build failure on -fno-common toolchains:
     #   ld: libPARI/libPARI.a(compat.o):(.bss+0x8): multiple definition of
     #   `overflow'; Pari.o:(.bss+0x80): first defined here
-    env.NIX_CFLAGS_COMPILE = "-fcommon";
+    env.NIX_CFLAGS_COMPILE = "-fcommon -Wno-error=implicit-int -Wno-error=implicit-function-declaration";
     preConfigure = "cp ${pari_tgz} pari-${pariversion}.tgz";
     makeMakerFlags = [ "pari_tgz=pari-${pariversion}.tgz" ];
     src = fetchurl {