103 lines
3.3 KiB
Plaintext
103 lines
3.3 KiB
Plaintext
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template("xOS_static_library") {
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assert(defined(invoker.sources),
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"Need sources in $target_name to build static library")
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lib_name = target_name
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lib_build_name = lib_name + "_build"
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lib_include_config_name = lib_name + "_include_config"
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compiled_lib_output_name_base = "$root_out_dir/tmp/libs/"
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compiled_lib_output_name = compiled_lib_output_name_base + lib_name
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final_lib_output_name = "$root_out_dir/base/libs/" + lib_name + ".a"
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building_deplib_bulders_list = []
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linking_deplib_bulders_list = []
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linking_deplib_list = []
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includes = []
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if (defined(invoker.include_dirs)) {
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includes = invoker.include_dirs
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}
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if (defined(invoker.deplibs)) {
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foreach(i, invoker.deplibs) {
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fullname = "//libs/" + i + ":" + i
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# To speed up compilation we have separate deps for builing and linking stages.
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# The only library which is required to be a dependancy for building stage is libfreetype,
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# since its header files might not be available initially (they are archived).
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if (i == "libfreetype") {
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building_deplib_bulders_list += [ fullname + "_build" ]
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}
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linking_deplib_bulders_list += [ fullname + "_build" ]
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linking_deplib_list += [ compiled_lib_output_name_base +
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get_label_info(fullname, "name") + ".a" ]
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includes += [ "//libs/" + i + "/include" ]
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# Also adding libc includes.
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# Note to add libc after libcxx.
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if (i == "libcxx") {
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includes += [ "//libs/libc/include" ]
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}
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# LibAPI is a lightweight library to use shared headers with API between libs and apps.
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if (i == "libui") {
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includes += [ "//libs/libapi/include" ]
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}
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}
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}
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includes += [ "//libs/" + lib_name + "/include" ]
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# The output library is passed at the end.
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linking_deplib_list += [ compiled_lib_output_name + ".a" ]
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linking_deplib_bulders_list += [ "//libs/" + lib_name + ":" + lib_build_name ]
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# Use a strange __EMPTY_PATH_, empty string can't be passed as an arg.
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path_to_bins = "__EMPTY_PATH_"
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if (host == "llvm") {
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path_to_bins = llvm_bin_path
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}
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script_args = [
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"$target_arch",
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"$host",
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"$path_to_bins",
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rebase_path("$final_lib_output_name", root_build_dir),
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]
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foreach(i, linking_deplib_list) {
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script_args += [ rebase_path(i, root_build_dir) ]
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}
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config(lib_include_config_name) {
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include_dirs = includes
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}
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# Create a build rule to compile only a lib with unresolved references from other libs
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static_library(lib_build_name) {
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output_name = "tmp/libs/" + lib_name
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sources = invoker.sources
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include_dirs = includes
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deps = building_deplib_bulders_list
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forward_variables_from(invoker,
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[
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"configs",
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"cflags",
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"cflags_c",
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"cflags_cc",
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"cflags_objc",
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"cflags_objcc",
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"asmflags",
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"deps",
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"public_deps",
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])
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}
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action(lib_name) {
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script = "//build/libs/merge_libs.py"
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inputs = linking_deplib_list
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outputs = [ "$final_lib_output_name" ]
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deps = linking_deplib_bulders_list
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args = script_args
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}
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}
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