refine operator/math/CMakeLists.txt, seperate im2col from math_function

paddle/fluid/operators/CMakeLists.txt

@@ -173,11 +173,11 @@ op_library(parallel_do_op DEPS executor)
 op_library(create_reader_op DEPS reader)
 
 if (WITH_GPU)
-    op_library(conv_op DEPS vol2col depthwise_conv)
+    op_library(conv_op DEPS vol2col depthwise_conv im2col)
 else()
-    op_library(conv_op DEPS vol2col)
+    op_library(conv_op DEPS vol2col im2col)
 endif()
-op_library(conv_transpose_op DEPS vol2col)
+op_library(conv_transpose_op DEPS vol2col im2col)
 
 # FIXME(typhoonzero): save/load depends lodtensor serialization functions
 op_library(save_op DEPS lod_tensor)

paddle/fluid/operators/math/CMakeLists.txt

 add_subdirectory(detail)
 
+function(math_library TARGET)
+    # math_library is a function to create math library. 
+    # The interface is the same as cc_library. 
+    # But it handle split GPU/CPU code and link some common library.
+    set(cc_srcs)
+    set(cu_srcs)
+    set(math_common_deps device_context framework_proto)
+    set(multiValueArgs SRCS DEPS)
+    cmake_parse_arguments(math_library "${options}" "${oneValueArgs}"
+            "${multiValueArgs}" ${ARGN})
+
+    if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${TARGET}.cc)
+        list(APPEND cc_srcs ${TARGET}.cc)
+    endif()
+    if (EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/${TARGET}.cu)
+        list(APPEND cu_srcs ${TARGET}.cu)
+    endif()
+
+    if (WITH_GPU)
+        nv_library(${TARGET} SRCS ${cc_srcs} ${cu_srcs} DEPS ${math_library_DEPS} ${math_common_deps})
+    else()
+        cc_library(${TARGET} SRCS ${cc_srcs} DEPS ${math_library_DEPS} ${math_common_deps})
+    endif()
+endfunction()
+
+math_library(math_function DEPS cblas)
+math_library(im2col)
+math_library(selected_rows_functor DEPS selected_rows)
+math_library(softmax)
+math_library(cross_entropy)
+math_library(pooling)
+math_library(sequence_pooling)
+math_library(vol2col)
+math_library(context_project)
+math_library(sequence2batch)
+math_library(sequence_padding)
+math_library(sequence_scale)
+math_library(maxouting)
+math_library(unpooling)
+math_library(cos_sim_functor)
+math_library(lstm_compute DEPS activation_functions)
+math_library(gru_compute DEPS activation_functions)
 if(WITH_GPU)
-    nv_library(math_function SRCS math_function.cc math_function.cu im2col.cc im2col.cu DEPS cblas device_context framework_proto)
-    nv_test(math_function_gpu_test SRCS math_function_test.cu DEPS math_function tensor)
-    nv_library(selected_rows_functor SRCS selected_rows_functor.cc selected_rows_functor.cu DEPS selected_rows math_function)
-    nv_test(selected_rows_functor_gpu_test SRCS selected_rows_functor_test.cu DEPS selected_rows_functor)
-    nv_library(softmax SRCS softmax.cc softmax.cu DEPS device_context)
-    nv_library(cross_entropy SRCS cross_entropy.cc cross_entropy.cu DEPS device_context)
-    nv_library(pooling SRCS pooling.cc pooling.cu DEPS device_context)
     nv_library(depthwise_conv SRCS depthwise_conv.cu DEPS device_context)
-    nv_library(sequence_pooling SRCS sequence_pooling.cc sequence_pooling.cu DEPS device_context math_function)
-    nv_library(vol2col SRCS vol2col.cc vol2col.cu DEPS device_context tensor)
-    nv_library(context_project SRCS context_project.cc context_project.cu DEPS device_context math_function)
-    nv_library(sequence2batch SRCS sequence2batch.cc sequence2batch.cu DEPS device_context tensor math_function)
-    nv_library(sequence_padding SRCS sequence_padding.cc sequence_padding.cu DEPS lod_tensor device_context)
-    nv_library(sequence_scale SRCS sequence_scale.cc sequence_scale.cu DEPS lod_tensor device_context)
-    nv_library(lstm_compute SRCS lstm_compute.cc lstm_compute.cu DEPS device_context activation_functions)
-    nv_library(maxouting SRCS maxouting.cc maxouting.cu DEPS device_context)
-    nv_library(unpooling SRCS unpooling.cc unpooling.cu DEPS device_context)
-    nv_library(gru_compute SRCS gru_compute.cc gru_compute.cu DEPS device_context activation_functions math_function)
-    nv_library(cos_sim_functor SRCS cos_sim_functor.cc cos_sim_functor.cu DEPS device_context)
-else()
-    cc_library(math_function SRCS math_function.cc im2col.cc DEPS cblas device_context framework_proto)
-    cc_library(selected_rows_functor SRCS selected_rows_functor.cc DEPS selected_rows math_function)
-    cc_library(softmax SRCS softmax.cc DEPS device_context)
-    cc_library(cross_entropy SRCS cross_entropy.cc DEPS device_context)
-    cc_library(pooling SRCS pooling.cc DEPS device_context)
-    cc_library(sequence_pooling SRCS sequence_pooling.cc DEPS device_context math_function)
-    cc_library(vol2col SRCS vol2col.cc DEPS device_context tensor)
-    cc_library(context_project SRCS context_project.cc DEPS device_context math_function)
-    cc_library(sequence2batch SRCS sequence2batch.cc DEPS device_context tensor math_function)
-    cc_library(sequence_padding SRCS sequence_padding.cc DEPS lod_tensor device_context)
-    cc_library(sequence_scale SRCS sequence_scale.cc DEPS lod_tensor device_context)
-    cc_library(lstm_compute SRCS lstm_compute.cc DEPS device_context activation_functions)
-    cc_library(maxouting SRCS maxouting.cc DEPS device_context)
-    cc_library(unpooling SRCS unpooling.cc DEPS device_context)
-    cc_library(gru_compute SRCS gru_compute.cc DEPS device_context activation_functions math_function)
-    cc_library(cos_sim_functor SRCS cos_sim_functor.cc DEPS device_context)
 endif()
 
-cc_test(math_function_test SRCS math_function_test.cc DEPS math_function tensor)
+cc_test(math_function_test SRCS math_function_test.cc)
 cc_test(selected_rows_functor_test SRCS selected_rows_functor_test.cc DEPS selected_rows_functor)
-cc_test(im2col_test SRCS im2col_test.cc DEPS math_function tensor)
-cc_test(vol2col_test SRCS vol2col_test.cc DEPS vol2col tensor)
+cc_test(im2col_test SRCS im2col_test.cc DEPS im2col)
+cc_test(vol2col_test SRCS vol2col_test.cc DEPS vol2col)
 cc_test(sequence_padding_test SRCS sequence_padding_test.cc DEPS sequence_padding)
+if(WITH_GPU)
+    nv_test(math_function_gpu_test SRCS math_function_test.cu)
+    nv_test(selected_rows_functor_gpu_test SRCS selected_rows_functor_test.cu DEPS selected_rows_functor)
+endif()