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-rw-r--r--pkgs/development/guile-modules/guile-ncurses/default.nix4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkgs/development/guile-modules/guile-ncurses/default.nix b/pkgs/development/guile-modules/guile-ncurses/default.nix
index 7c092db5a7eb7..a355ed44777a2 100644
--- a/pkgs/development/guile-modules/guile-ncurses/default.nix
+++ b/pkgs/development/guile-modules/guile-ncurses/default.nix
@@ -29,6 +29,10 @@ stdenv.mkDerivation rec {
     "--with-gnu-filesystem-hierarchy"
   ];
 
+  env = lib.optionalAttrs stdenv.cc.isClang {
+    NIX_CFLAGS_COMPILE = "-Wno-error=implicit-function-declaration";
+  };
+
   postFixup = ''
     for f in $out/${guile.siteDir}/ncurses/**.scm; do \
       substituteInPlace $f \