* Refactoring (step 2).

configure.ac

@@ -35,6 +35,7 @@ AC_CONFIG_FILES([Makefile
    src/nix-store/Makefile
    src/nix-hash/Makefile
    src/libexpr/Makefile
+   src/nix-instantiate/Makefile
    scripts/Makefile
    corepkgs/Makefile
    corepkgs/fetchurl/Makefile

src/Makefile.am

 SUBDIRS = bin2c boost libutil libstore libmain nix-store nix-hash \
- libexpr #nix-instantiate
+ libexpr nix-instantiate

src/libexpr/Makefile.am

-bin_PROGRAMS = nix-instantiate
+noinst_LIBRARIES = libexpr.a
 
-nix_instantiate_SOURCES = nixexpr.cc parser.cc eval.cc primops.cc main.cc
-nix_instantiate_LDADD = ../libmain/libmain.a ../libstore/libstore.a ../libutil/libutil.a \
- ../boost/format/libformat.a -L../../externals/inst/lib -ldb_cxx \
- -lsglr -lATB -lconversion -lasfix2 -lmept -lATerm
+libexpr_a_SOURCES = nixexpr.cc parser.cc eval.cc primops.cc
 
 AM_CXXFLAGS = \
- -I.. -I../../externals/inst/include -I../libutil -I../libstore -I../libmain
+ -I.. -I../../externals/inst/include -I../libutil -I../libstore
 
 
 # Parse table generation.

src/libexpr/parser.cc

@@ -12,7 +12,6 @@ extern "C" {
 
 #include "aterm.hh"
 #include "parser.hh"
-#include "shared.hh"
 #include "parse-table.h"
 
 
@@ -100,8 +99,7 @@ Expr parseExprFromFile(Path path)
 
         ATprotect(&lang);
         lang = ATmake("Nix");
-        if (!SGopenLanguageFromTerm(
-                (char *) programId.c_str(), lang, parseTable))
+        if (!SGopenLanguageFromTerm("nix-parse", lang, parseTable))
             throw Error(format("cannot open language"));
 
         SG_STARTSYMBOL_ON();

src/nix-instantiate/Makefile.am

+bin_PROGRAMS = nix-instantiate
+
+nix_instantiate_SOURCES = main.cc
+nix_instantiate_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
+
+AM_CXXFLAGS = \
+ -I.. -I../../externals/inst/include -I../libutil -I../libstore \
+ -I../libexpr -I../libmain