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-rw-r--r--pkgs/applications/science/logic/aiger/default.nix5
-rw-r--r--pkgs/applications/science/logic/aiger/fix-missing-header.patch11
2 files changed, 16 insertions, 0 deletions
diff --git a/pkgs/applications/science/logic/aiger/default.nix b/pkgs/applications/science/logic/aiger/default.nix
index 4f3f585c220cb..5b9e8f62aa01c 100644
--- a/pkgs/applications/science/logic/aiger/default.nix
+++ b/pkgs/applications/science/logic/aiger/default.nix
@@ -9,6 +9,11 @@ stdenv.mkDerivation rec {
     sha256 = "1ish0dw0nf9gyghxsdhpy1jjiy5wp54c993swp85xp7m6vdx6l0y";
   };
 
+  patches = [
+    # Fix implicit declaration of `isatty`, which is an error with newer versions of clang.
+    ./fix-missing-header.patch
+  ];
+
   enableParallelBuilding = true;
 
   configurePhase = ''
diff --git a/pkgs/applications/science/logic/aiger/fix-missing-header.patch b/pkgs/applications/science/logic/aiger/fix-missing-header.patch
new file mode 100644
index 0000000000000..5f0101bd7a03d
--- /dev/null
+++ b/pkgs/applications/science/logic/aiger/fix-missing-header.patch
@@ -0,0 +1,11 @@
+diff -ur a/aigunconstraint.c b/aigunconstraint.c
+--- a/aigunconstraint.c	2013-10-06 09:08:03.000000000 -0400
++++ b/aigunconstraint.c	2023-10-27 08:55:01.678566389 -0400
+@@ -26,6 +26,7 @@
+ #include <stdarg.h>
+ #include <stdlib.h>
+ #include <string.h>
++#include <unistd.h>
+ 
+ static const char * USAGE =
+ "usage: aigunconstraint [-h][-v] [<input> [<output>]]\n"