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authorJohn Ericson <John.Ericson@Obsidian.Systems>2019-11-14 13:44:07 -0500
committerJohn Ericson <John.Ericson@Obsidian.Systems>2019-11-14 13:44:07 -0500
commitbca2e8255e4230398edd1f91ce45521d54d6122e (patch)
tree1a4fad3a8ddac150af210751ae44eb0c304bc0ea /pkgs/development/tools/ocaml/camlidl
parenta951f2a27f3f664eb1f33ee3bc2193c19383e59f (diff)
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treewide: CAML_LD_LIBRARY_PATH may be undefined
Diffstat (limited to 'pkgs/development/tools/ocaml/camlidl')
-rw-r--r--pkgs/development/tools/ocaml/camlidl/default.nix2
1 files changed, 1 insertions, 1 deletions
diff --git a/pkgs/development/tools/ocaml/camlidl/default.nix b/pkgs/development/tools/ocaml/camlidl/default.nix
index 09de5b02737..309c44d6d46 100644
--- a/pkgs/development/tools/ocaml/camlidl/default.nix
+++ b/pkgs/development/tools/ocaml/camlidl/default.nix
@@ -37,7 +37,7 @@ stdenv.mkDerivation rec {
   '';
 
   setupHook = writeText "setupHook.sh" ''
-    export CAML_LD_LIBRARY_PATH="''${CAML_LD_LIBRARY_PATH}''${CAML_LD_LIBRARY_PATH:+:}''$1/lib/ocaml/${ocaml.version}/site-lib/${name}/"
+    export CAML_LD_LIBRARY_PATH="''${CAML_LD_LIBRARY_PATH-}''${CAML_LD_LIBRARY_PATH:+:}''$1/lib/ocaml/${ocaml.version}/site-lib/${name}/"
     export NIX_CFLAGS_COMPILE+=" -isystem $1/lib/ocaml/${ocaml.version}/site-lib/camlidl"
     export NIX_LDFLAGS+=" -L $1/lib/ocaml/${ocaml.version}/site-lib/camlidl"
   '';