* Use a map to lookup primops.

* Various performance improvements in the evaluator.
* Do not link against unused (and missing!) libraries (-lsglr, etc.).

src/nix-env/Makefile.am

@@ -4,7 +4,7 @@ nix_env_SOURCES = main.cc help.txt
 nix_env_LDADD = ../libmain/libmain.a ../libexpr/libexpr.a \
  ../libstore/libstore.a ../libutil/libutil.a \
  ../boost/format/libformat.a -L../../externals/inst/lib -ldb_cxx \
- -lsglr -lATB -lconversion -lasfix2 -lmept -lATerm
+ -lATerm
 
 main.o: help.txt.hh
 

src/nix-env/main.cc

@@ -102,7 +102,7 @@ bool parseDerivations(EvalState & state, Expr e, DrvInfos & drvs)
 
 void loadDerivations(EvalState & state, Path nePath, DrvInfos & drvs)
 {
-    Expr e = parseExprFromFile(absPath(nePath));
+    Expr e = parseExprFromFile(state, absPath(nePath));
     if (!parseDerivations(state, e, drvs))
         throw badTerm("expected set of derivations", e);
 }
@@ -193,7 +193,8 @@ void createUserEnv(EvalState & state, const DrvInfos & drvs,
     const Path & linkPath)
 {
     /* Get the environment builder expression. */
-    Expr envBuilder = parseExprFromFile(nixDataDir + "/nix/corepkgs/buildenv"); /* !!! */
+    Expr envBuilder = parseExprFromFile(state,
+        nixDataDir + "/nix/corepkgs/buildenv"); /* !!! */
 
     /* Construct the whole top level derivation. */
     ATermList inputs = ATempty;