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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
parenta951f2a27f3f664eb1f33ee3bc2193c19383e59f (diff)
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treewide: CAML_LD_LIBRARY_PATH may be undefined
Diffstat (limited to 'pkgs/development/tools/ocaml')
-rw-r--r--pkgs/development/tools/ocaml/camlidl/default.nix2
-rw-r--r--pkgs/development/tools/ocaml/findlib/default.nix2
-rw-r--r--pkgs/development/tools/ocaml/utop/default.nix1
3 files changed, 3 insertions, 2 deletions
diff --git a/pkgs/development/tools/ocaml/camlidl/default.nix b/pkgs/development/tools/ocaml/camlidl/default.nix
index 09de5b02737b..309c44d6d463 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"
   '';
diff --git a/pkgs/development/tools/ocaml/findlib/default.nix b/pkgs/development/tools/ocaml/findlib/default.nix
index 6bf34a6e9587..9db5ed10c842 100644
--- a/pkgs/development/tools/ocaml/findlib/default.nix
+++ b/pkgs/development/tools/ocaml/findlib/default.nix
@@ -35,7 +35,7 @@ stdenv.mkDerivation rec {
             export OCAMLPATH="''${OCAMLPATH-}''${OCAMLPATH:+:}''$1/lib/ocaml/${ocaml.version}/site-lib/"
         fi
         if test -d "''$1/lib/ocaml/${ocaml.version}/site-lib/stublibs"; then
-            export CAML_LD_LIBRARY_PATH="''${CAML_LD_LIBRARY_PATH}''${CAML_LD_LIBRARY_PATH:+:}''$1/lib/ocaml/${ocaml.version}/site-lib/stublibs"
+            export CAML_LD_LIBRARY_PATH="''${CAML_LD_LIBRARY_PATH-}''${CAML_LD_LIBRARY_PATH:+:}''$1/lib/ocaml/${ocaml.version}/site-lib/stublibs"
         fi
         export OCAMLFIND_DESTDIR="''$out/lib/ocaml/${ocaml.version}/site-lib/"
         if test -n "''${createFindlibDestdir-}"; then
diff --git a/pkgs/development/tools/ocaml/utop/default.nix b/pkgs/development/tools/ocaml/utop/default.nix
index 290ab9b571f4..f154b94ae336 100644
--- a/pkgs/development/tools/ocaml/utop/default.nix
+++ b/pkgs/development/tools/ocaml/utop/default.nix
@@ -39,6 +39,7 @@ stdenv.mkDerivation rec {
        installPhase = ''
          mkdir -p "$out"/${path}
          for e in OCAMLPATH CAML_LD_LIBRARY_PATH; do
+           [[ -v "$e" ]] || continue
            printf %s "''${!e}" > "$out"/${path}/$e
          done
        '';