diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5dd811959..85b20b176 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -92,8 +92,6 @@ endforeach ()
 # get obj vars into format that add_library likes: $<TARGET_OBJS:objlib> (see http://www.cmake.org/cmake/help/v3.0/command/add_library.html)
 set(TARGET_OBJS "")
 foreach (DBLAS_OBJ ${DBLAS_OBJS})
-  #get_target_property(PREV_DEFS ${DBLAS_OBJ} COMPILE_DEFINITIONS)
-  #set_target_properties(${DBLAS_OBJ} PROPERTIES COMPILE_DEFINITIONS "${PREV_DEFS};DOUBLE")
   list(APPEND TARGET_OBJS "$<TARGET_OBJECTS:${DBLAS_OBJ}>")
 endforeach ()
 
diff --git a/cmake/utils.cmake b/cmake/utils.cmake
index 81083a19f..aaa669abd 100644
--- a/cmake/utils.cmake
+++ b/cmake/utils.cmake
@@ -70,6 +70,11 @@ endfunction ()
 # @param replace_last_with replaces the last character in the filename with this string (e.g. symm_k should be symm_TU)
 # @param append_with appends the filename with this string (e.g. trmm_R should be trmm_RTUU or some other combination of characters)
 # @param no_float_type turns off the float type define for this build (e.g. SINGLE/DOUBLE/etc)
+# @param complex_only/real_only some routines have separate source files for complex and non-complex float types.
+#                               0 - compiles for all types
+#                               1 - compiles the sources for non-complex types only (SINGLE/DOUBLE)
+#                               2 - compiles for complex types only (COMPLEX/DOUBLE COMPLEX)
+#                               3 - compiles for all types, but changes source names for complex by prepending z (e.g. axpy.c becomes zaxpy.c)
 function(GenerateNamedObjects sources_in)
 
   if (DEFINED ARGV1)
@@ -100,10 +105,30 @@ function(GenerateNamedObjects sources_in)
     set(no_float_type false)
   endif ()
 
+  set(real_only false)
+  set(complex_only false)
+  set(mangle_complex_sources false)
+  if (DEFINED ARGV7)
+    if (${ARGV7} EQUAL 1)
+      set(real_only true)
+    elseif (${ARGV7} EQUAL 2)
+      set(complex_only true)
+    elseif (${ARGV7} EQUAL 3)
+      set(mangle_complex_sources true)
+    endif ()
+  endif ()
+
   if (no_float_type)
     set(float_list "DUMMY") # still need to loop once
   else ()
     set(float_list "${FLOAT_TYPES}")
+    if (complex_only)
+      list(REMOVE_ITEM float_list "SINGLE")
+      list(REMOVE_ITEM float_list "DOUBLE")
+    elseif (real_only)
+      list(REMOVE_ITEM float_list "COMPLEX")
+      list(REMOVE_ITEM float_list "ZCOMPLEX")
+    endif ()
   endif ()
 
   set(OBJ_LIST_OUT "")
@@ -148,6 +173,12 @@ function(GenerateNamedObjects sources_in)
       endif ()
       if (${float_type} STREQUAL "COMPLEX" OR ${float_type} STREQUAL "ZCOMPLEX")
         list(APPEND obj_defines "COMPLEX")
+        if (mangle_complex_sources)
+          # add a z to the filename
+          get_filename_component(source_name ${source_file} NAME)
+          get_filename_component(source_dir ${source_file} DIRECTORY)
+          string(REPLACE ${source_name} "z${source_name}" source_file ${source_file})
+        endif ()
       endif ()
 
       add_library(${obj_name} OBJECT ${source_file})
diff --git a/interface/CMakeLists.txt b/interface/CMakeLists.txt
index 739705d17..030a14fd2 100644
--- a/interface/CMakeLists.txt
+++ b/interface/CMakeLists.txt
@@ -2,15 +2,25 @@
 include_directories(${CMAKE_SOURCE_DIR})
 
 set(BLAS1_SOURCES
-  axpy.c swap.c
-  copy.c scal.c
-  dot.c
+  copy.c
   asum.c nrm2.c
-  rot.c rotg.c rotm.c rotmg.c
+)
+
+set(BLAS1_REAL_ONLY_SOURCES
+  rotm.c rotmg.c # N.B. these do not have complex counterparts
+)
+
+# these will have 'z' prepended for the complex version
+set(BLAS1_MANGLED_SOURCES
+  axpy.c swap.c
+  scal.c
+  dot.c
+  rot.c rotg.c
   axpby.c
 )
 
 # TODO: USE_NETLIB_GEMV shoudl switch gemv.c to netlib/*gemv.f
+# these all have 'z' sources for complex versions
 set(BLAS2_SOURCES
   gemv.c ger.c
   trsv.c trmv.c symv.c
@@ -24,6 +34,9 @@ set(BLAS2_SOURCES
 set(BLAS3_SOURCES
   gemm.c symm.c
   trsm.c syrk.c syr2k.c
+)
+
+set(BLAS3_MANGLED_SOURCES
   omatcopy.c imatcopy.c
 )
 
@@ -41,8 +54,11 @@ endif ()
 foreach (CBLAS_FLAG ${CBLAS_FLAGS})
 
   GenerateNamedObjects("${BLAS1_SOURCES}" "" "" ${CBLAS_FLAG})
-  GenerateNamedObjects("${BLAS2_SOURCES}" "" "" ${CBLAS_FLAG})
+  GenerateNamedObjects("${BLAS1_REAL_ONLY_SOURCES}" "" "" ${CBLAS_FLAG} "" "" 0 1)
+  GenerateNamedObjects("${BLAS1_MANGLED_SOURCES}" "" "" ${CBLAS_FLAG} "" "" 0 3)
+  GenerateNamedObjects("${BLAS2_SOURCES}" "" "" ${CBLAS_FLAG} "" "" 0 3)
   GenerateNamedObjects("${BLAS3_SOURCES}" "" "" ${CBLAS_FLAG})
+  GenerateNamedObjects("${BLAS3_MANGLED_SOURCES}" "" "" ${CBLAS_FLAG} "" "" 0 3)
 
   # trmm is trsm with a compiler flag set
   GenerateNamedObjects("trsm.c" "TRMM" "trmm" ${CBLAS_FLAG})
@@ -62,11 +78,18 @@ endforeach ()
 
 if (NOT DEFINED NO_LAPACK)
   set(LAPACK_SOURCES
+    lapack/gesv.c
+  )
+
+  # prepend z for complex versions
+  set(LAPACK_MANGLED_SOURCES
     lapack/getrf.c lapack/getrs.c lapack/potrf.c lapack/getf2.c
-    lapack/potf2.c lapack/laswp.c lapack/gesv.c lapack/lauu2.c
+    lapack/potf2.c lapack/laswp.c lapack/lauu2.c
     lapack/lauum.c lapack/trti2.c lapack/trtri.c
   )
+
   GenerateNamedObjects("${LAPACK_SOURCES}")
+  GenerateNamedObjects("${LAPACK_MANGLED_SOURCES}" "" "" 0 "" "" 0 3)
 endif ()
 
 set(DBLAS_OBJS ${DBLAS_OBJS} PARENT_SCOPE) # list append removes the scope from DBLAS_OBJS