packages: mark builddeps as type='build'

Less sure about these.

var/spack/repos/builtin/packages/bpp-suite/package.py

@@ -36,7 +36,7 @@ class BppSuite(Package):
 
     # FIXME: Add dependencies if required.
     depends_on('cmake', type='build')
-    depends_on('texinfo')
+    depends_on('texinfo', type='build')
     depends_on('bpp-core')
     depends_on('bpp-seq')
     depends_on('bpp-phyl')

var/spack/repos/builtin/packages/ibmisc/package.py

@@ -34,7 +34,7 @@ class Ibmisc(CMakePackage):
     depends_on('blitz', when='+blitz')
     depends_on('netcdf-cxx4', when='+netcdf')
     depends_on('udunits2', when='+udunits2')
-    depends_on('googletest', when='+googletest')
+    depends_on('googletest', when='+googletest', type='build')
     depends_on('py-cython', when='+python', type=nolink)
     depends_on('py-numpy', when='+python', type=nolink)
     depends_on('boost', when='+boost')

var/spack/repos/builtin/packages/openspeedshop/package.py

@@ -104,9 +104,9 @@ class Openspeedshop(Package):
     depends_on("cmake@3.0.2", type='build')
     # Dependencies for openspeedshop that are common to all the variants of
     # the OpenSpeedShop build
-    depends_on("bison")
-    depends_on("flex")
-    depends_on("binutils@2.24+krellpatch")
+    depends_on("bison", type='build')
+    depends_on("flex", type='build')
+    depends_on("binutils@2.24+krellpatch", type='build')
     depends_on("libelf")
     depends_on("libdwarf")
     depends_on("sqlite")

var/spack/repos/builtin/packages/qt/package.py

@@ -65,7 +65,7 @@ class Qt(Package):
     # depends_on("gperf")
     # depends_on("flex", type='build')
     # depends_on("bison", type='build')
-    # depends_on("ruby")
+    # depends_on("ruby", type='build')
     # depends_on("icu4c")
 
     # OpenGL hardware acceleration

var/spack/repos/builtin/packages/texlive/package.py

@@ -47,7 +47,7 @@ class Texlive(Package):
     variant('scheme',  default="small",
             description='Package subset to install (e.g. full, small, basic)')
 
-    depends_on('perl')
+    depends_on('perl', type='build')
 
     def install(self, spec, prefix):
         env = os.environ