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Diffstat (limited to 'nixpkgs/pkgs/tools/typesetting/psutils/default.nix')
-rw-r--r--nixpkgs/pkgs/tools/typesetting/psutils/default.nix5
1 files changed, 5 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/tools/typesetting/psutils/default.nix b/nixpkgs/pkgs/tools/typesetting/psutils/default.nix
index 3ff93ad23011..93c7b9f2a23a 100644
--- a/nixpkgs/pkgs/tools/typesetting/psutils/default.nix
+++ b/nixpkgs/pkgs/tools/typesetting/psutils/default.nix
@@ -9,9 +9,14 @@ stdenv.mkDerivation rec {
     hash = "sha256-OFPreVhLqPvieoFUJbZan38Vsljg1DoFqFa9t11YiuQ=";
   };
 
+  postPatch = ''
+    sed -i 's/void main/int main/' *.c
+  '';
+
   configurePhase = ''
     sed -e 's,/usr/local/bin/perl,${perl}/bin/perl,' \
       -e "s,/usr/local,$out," \
+      -e "s,CFLAGS =,CFLAGS = -std=c89," \
       Makefile.unix > Makefile
   '';