Set dependency on ACL version tag correctly (#190)

This commit revises 'external/acl.cmake' to set dependency on ACL
version tag correctly to support parallel/incremental build.

Signed-off-by: Jonghyun Park <jh1302.park@samsung.com>

diff --git a/externals/acl.cmake b/externals/acl.cmake
index 7de2034..a428af4 100644 (file)
--- a/externals/acl.cmake
+++ b/externals/acl.cmake
@@ -3,11 +3,12 @@
 ###
 set(ACL_BASE ${CMAKE_CURRENT_SOURCE_DIR}/acl)
 set(ACL_GENERATED ${CMAKE_CURRENT_BINARY_DIR}/acl_generated)
+set(ACL_VERSION_TAG "${ACL_GENERATED}/arm_compute_version.embed")
 
 # Create 'arm_compute_version.embed'
-add_custom_command(OUTPUT "arm_compute_version.embed"
+add_custom_command(OUTPUT ${ACL_VERSION_TAG}
                    COMMAND mkdir -p "${ACL_GENERATED}"
-                   COMMAND echo '"unknown"' > "${ACL_GENERATED}/arm_compute_version.embed")
+                   COMMAND echo '"unknown"' > "${ACL_VERSION_TAG}")
 
 file(GLOB_RECURSE ACL_UTIL_SRCS "${ACL_BASE}/src/core/utils/*.cpp")
 
@@ -21,7 +22,7 @@ target_link_libraries(acl_foundation dl pthread)
 ### ARM Compute Library Common (Core & Runtime)
 ###
 file(GLOB ACL_CORE_COMMON_SRCS "${ACL_BASE}/src/core/*.cpp")
-list(APPEND ACL_CORE_COMMON_SRCS "arm_compute_version.embed")
+list(APPEND ACL_CORE_COMMON_SRCS ${ACL_VERSION_TAG})
 # Both CL & NEON runtime funtions use these CPP kernels
 list(APPEND ACL_CORE_COMMON_SRCS "${ACL_BASE}/src/core/CPP/kernels/CPPCornerCandidatesKernel.cpp")
 list(APPEND ACL_CORE_COMMON_SRCS "${ACL_BASE}/src/core/CPP/kernels/CPPDetectionWindowNonMaximaSuppressionKernel.cpp")