From f9c8c4d216f8e2357f1b81afc40665d0323a816e Mon Sep 17 00:00:00 2001
From: Gregory Becker <becker33@llnl.gov>
Date: Wed, 23 Sep 2015 12:58:22 -0700
Subject: [PATCH] partial commit to merge database

---
 lib/spack/env/cc                     | 16 +++++++++-----
 lib/spack/spack/build_environment.py |  2 +-
 lib/spack/spack/spec.py              | 33 ++++++++++++++++++++++++++--
 3 files changed, 42 insertions(+), 9 deletions(-)

diff --git a/lib/spack/env/cc b/lib/spack/env/cc
index b39d91b5f0..0bb723c237 100755
--- a/lib/spack/env/cc
+++ b/lib/spack/env/cc
@@ -89,19 +89,23 @@ done
 command=$(basename "$0")
 case "$command" in
     cc|gcc|c89|c99|clang|xlc)
-        command="$SPACK_CC $SPACK_CFLAGS"
+        command="$SPACK_CC"
+#        command="$SPACK_CC $SPACK_CFLAGS"
         language="C"
         ;;
     c++|CC|g++|clang++|xlC)
-        command="$SPACK_CXX SPACK_CXXFLAGS"
+        command="$SPACK_CXX"
+#        command="$SPACK_CXX SPACK_CXXFLAGS"
         language="C++"
         ;;
     f77|xlf)
-        command="$SPACK_F77 $SPACK_FFLAGS"
+        command="$SPACK_F77"
+#        command="$SPACK_F77 $SPACK_FFLAGS"
         language="Fortran 77"
         ;;
     fc|f90|f95|xlf90)
-        command="$SPACK_FC $SPACK_FFLAGS"
+        command="$SPACK_FC"
+#        command="$SPACK_FC $SPACK_FFLAGS"
         language="Fortran 90"
         ;;
     cpp)
@@ -109,7 +113,7 @@ case "$command" in
         ;;
     ld)
         mode=ld
-        command+=" $LDFLAGS"
+ #       command+=" $LDFLAGS"
         ;;
     *)
         die "Unkown compiler: $command"
@@ -119,7 +123,7 @@ esac
 # Finish setting up the mode.
 if [ -z "$mode" ]; then
     mode=ccld
-    command+=" $SPACK_LDFLAGS"
+#    command+=" $SPACK_LDFLAGS"
     for arg in "$@"; do
         if [ "$arg" = -v -o "$arg" = -V -o "$arg" = --version -o "$arg" = -dumpversion ]; then
             mode=vcheck
diff --git a/lib/spack/spack/build_environment.py b/lib/spack/spack/build_environment.py
index afd987c702..252846196a 100644
--- a/lib/spack/spack/build_environment.py
+++ b/lib/spack/spack/build_environment.py
@@ -108,7 +108,7 @@ def set_compiler_environment_variables(pkg):
         os.environ['SPACK_CFLAGS'] = compiler.cflags
     if compiler.cxxflags:
         os.environ['SPACK_CXXFLAGS'] = compiler.cxxflags
-    if compiler.cflags:
+    if compiler.fflags:
         os.environ['SPACK_FFLAGS'] = compiler.fflags
     if compiler.ldflags:
         os.environ['SPACK_LDFLAGS'] = compiler.ldflags
diff --git a/lib/spack/spack/spec.py b/lib/spack/spack/spec.py
index 7b79feb311..430cf9b66f 100644
--- a/lib/spack/spack/spec.py
+++ b/lib/spack/spack/spec.py
@@ -1680,10 +1680,11 @@ def do_parse(self):
 
                 elif self.accept(DEP):
                     if not specs:
-                        self.last_token_error("Dependency has no package")
+                        specs.append(self.empty_spec())
                     self.expect(ID)
                     specs[-1]._add_dependency(self.spec())
-
+                    for spec in specs:
+                        print spec
                 else:
                     self.unexpected_token()
         except spack.parse.ParseError, e:
@@ -1697,6 +1698,34 @@ def parse_compiler(self, text):
         return self.compiler()
 
 
+    def empty_spec(self):
+        """Create a Null spec from which dependency constraints can be hung"""
+        spec = Spec.__new__(Spec)
+        spec.name = "any-pkg-name"
+#        spec.name = None
+        spec.versions = VersionList()
+        spec.variants = VariantMap(spec)
+        spec.architecture = None
+        spec.compiler = None
+        spec.dependents   = DependencyMap()
+        spec.dependencies = DependencyMap()
+
+        #Should we be able to add cflags eventually?
+        while self.next:
+            if self.accept(ON):
+                spec._add_variant(self.variant(), True)
+
+            elif self.accept(OFF):
+                spec._add_variant(self.variant(), False)
+
+            elif self.accept(PCT):
+                spec._set_compiler(self.compiler())
+
+            else:
+                break
+
+        return spec
+
     def spec(self):
         """Parse a spec out of the input.  If a spec is supplied, then initialize
            and return it instead of creating a new one."""