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-rw-r--r--third_party/aom/build/cmake/aom_optimization.cmake59
1 files changed, 47 insertions, 12 deletions
diff --git a/third_party/aom/build/cmake/aom_optimization.cmake b/third_party/aom/build/cmake/aom_optimization.cmake
index 5a3865281..456798ceb 100644
--- a/third_party/aom/build/cmake/aom_optimization.cmake
+++ b/third_party/aom/build/cmake/aom_optimization.cmake
@@ -11,6 +11,8 @@
if (NOT AOM_BUILD_CMAKE_AOM_OPTIMIZATION_CMAKE_)
set(AOM_BUILD_CMAKE_AOM_OPTIMIZATION_CMAKE_ 1)
+include("${AOM_ROOT}/build/cmake/util.cmake")
+
# Translate $flag to one which MSVC understands, and write the new flag to the
# variable named by $translated_flag (or unset it, when MSVC needs no flag).
function (get_msvc_intrinsic_flag flag translated_flag)
@@ -33,7 +35,8 @@ endfunction ()
# Note: the libaom target is always updated because OBJECT libraries have rules
# that disallow the direct addition of .o files to them as dependencies. Static
# libraries do not have this limitation.
-function (add_intrinsics_object_library flag opt_name target_to_update sources)
+function (add_intrinsics_object_library flag opt_name target_to_update sources
+ dependent_target)
set(target_name ${target_to_update}_${opt_name}_intrinsics)
add_library(${target_name} OBJECT ${${sources}})
@@ -45,7 +48,7 @@ function (add_intrinsics_object_library flag opt_name target_to_update sources)
target_compile_options(${target_name} PUBLIC ${flag})
endif ()
- target_sources(aom PUBLIC $<TARGET_OBJECTS:${target_name}>)
+ target_sources(${dependent_target} PRIVATE $<TARGET_OBJECTS:${target_name}>)
# Add the new lib target to the global list of aom library targets.
list(APPEND AOM_LIB_TARGETS ${target_name})
@@ -55,7 +58,7 @@ endfunction ()
# Adds sources in list named by $sources to $target and adds $flag to the
# compile flags for each source file.
function (add_intrinsics_source_to_target flag target sources)
- target_sources(${target} PUBLIC ${${sources}})
+ target_sources(${target} PRIVATE ${${sources}})
if (MSVC)
get_msvc_intrinsic_flag(${flag} "flag")
endif ()
@@ -128,7 +131,7 @@ function (add_asm_library lib_name asm_sources dependent_target)
COMMENT "Building ASM object ${asm_object}"
WORKING_DIRECTORY "${AOM_CONFIG_DIR}"
VERBATIM)
- target_sources(${lib_name} PRIVATE "${asm_object}")
+ target_sources(aom PRIVATE "${asm_object}")
endforeach ()
# The above created a target containing only ASM sources. Cmake needs help
@@ -136,14 +139,7 @@ function (add_asm_library lib_name asm_sources dependent_target)
# linker language to C. We don't bother with setting the LINKER_LANGUAGE
# property on the library target because not all generators obey it (looking
# at you, xcode generator).
- set(dummy_c_file "${AOM_CONFIG_DIR}/${lib_name}_dummy.c")
- file(WRITE "${dummy_c_file}"
- "// Generated file. DO NOT EDIT!\n"
- "// ${lib_name} needs C file to force link language, ignore me.\n"
- "void ${lib_name}_dummy_function(void) {}\n")
- target_sources(${lib_name} PUBLIC ${dummy_c_file})
-
- target_link_libraries(${dependent_target} ${AOM_LIB_LINK_TYPE} ${lib_name})
+ add_dummy_source_file_to_target("${lib_name}" "c")
# Add the new lib target to the global list of aom library targets.
list(APPEND AOM_LIB_TARGETS ${lib_name})
@@ -203,4 +199,43 @@ function (add_gas_asm_library lib_name asm_sources dependent_target)
set(${asm_sources} ${${asm_sources}} PARENT_SCOPE)
endfunction ()
+# Terminates generation if nasm found in PATH does not meet requirements.
+# Currently checks only for presence of required object formats and support for
+# the -Ox argument (multipass optimization).
+function (test_nasm)
+ execute_process(COMMAND ${AS_EXECUTABLE} -hf
+ OUTPUT_VARIABLE nasm_helptext)
+
+ if (NOT "${nasm_helptext}" MATCHES "-Ox")
+ message(FATAL_ERROR
+ "Unsupported nasm: multipass optimization not supported.")
+ endif ()
+
+ if ("${AOM_TARGET_CPU}" STREQUAL "x86")
+ if ("${AOM_TARGET_SYSTEM}" STREQUAL "Darwin")
+ if (NOT "${nasm_helptext}" MATCHES "macho32")
+ message(FATAL_ERROR
+ "Unsupported nasm: macho32 object format not supported.")
+ endif ()
+ elseif ("${AOM_TARGET_SYSTEM}" STREQUAL "Linux")
+ if (NOT "${nasm_helptext}" MATCHES "elf32")
+ message(FATAL_ERROR
+ "Unsupported nasm: elf32 object format not supported.")
+ endif ()
+ endif ()
+ else ()
+ if ("${AOM_TARGET_SYSTEM}" STREQUAL "Darwin")
+ if (NOT "${nasm_helptext}" MATCHES "macho64")
+ message(FATAL_ERROR
+ "Unsupported nasm: macho64 object format not supported.")
+ endif ()
+ elseif ("${AOM_TARGET_SYSTEM}" STREQUAL "Linux")
+ if (NOT "${nasm_helptext}" MATCHES "elf64")
+ message(FATAL_ERROR
+ "Unsupported nasm: elf64 object format not supported.")
+ endif ()
+ endif ()
+ endif ()
+endfunction ()
+
endif () # AOM_BUILD_CMAKE_AOM_OPTIMIZATION_CMAKE_