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# Copyright (c) 2014 The Native Client Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/config/sysroot.gni")
import("//build/config/nacl/config.gni")
import("//build/toolchain/nacl_toolchain.gni")
# Add the toolchain revision as a preprocessor define so that sources are
# rebuilt when a toolchain is updated.
# Idea we could use the toolchain deps feature, but currently that feature is
# bugged and does not trigger a rebuild.
# https://code.google.com/p/chromium/issues/detail?id=431880
# Calls to get the toolchain revision are relatively slow, so do them all in a
# single batch to amortize python startup, etc.
revisions = exec_script("//native_client/build/get_toolchain_revision.py",
[
"nacl_x86_glibc",
"nacl_arm_glibc",
"pnacl_newlib",
],
"trim list lines")
nacl_x86_glibc_rev = revisions[0]
nacl_arm_glibc_rev = revisions[1]
pnacl_newlib_rev = revisions[2]
nacl_toolchain("newlib_pnacl") {
toolchain_package = "pnacl_newlib"
toolchain_revision = pnacl_newlib_rev
toolchain_cpu = "pnacl"
toolprefix =
rebase_path("${nacl_toolchain_dir}/${toolchain_package}/bin/pnacl-",
root_build_dir)
is_clang = true
cc = toolprefix + "clang"
cxx = toolprefix + "clang++"
ar = toolprefix + "ar"
ld = cxx
executable_extension = ".pexe.debug"
finalize = toolprefix + "finalize"
nonfinal_file =
"{{root_out_dir}}/{{target_output_name}}${executable_extension}"
finalized_file = "{{root_out_dir}}/{{target_output_name}}.pexe"
postlink = "$finalize $nonfinal_file -o $finalized_file"
link_outputs = [ finalized_file ]
}
nacl_toolchain("newlib_pnacl_nonsfi") {
toolchain_package = "pnacl_newlib"
toolchain_revision = pnacl_newlib_rev
toolchain_cpu = "pnacl"
toolprefix =
rebase_path("${nacl_toolchain_dir}/${toolchain_package}/bin/pnacl-",
root_build_dir)
is_clang = true
cc = toolprefix + "clang"
cxx = toolprefix + "clang++"
ar = toolprefix + "ar"
ld = cxx
executable_extension = ""
}
template("nacl_glibc_toolchain") {
toolchain_cpu = target_name
assert(defined(invoker.toolchain_tuple), "Must define toolchain_tuple")
assert(defined(invoker.toolchain_package), "Must define toolchain_package")
assert(defined(invoker.toolchain_revision), "Must define toolchain_revision")
forward_variables_from(invoker,
[
"toolchain_package",
"toolchain_revision",
])
toolprefix = rebase_path("${nacl_toolchain_dir}/${toolchain_package}/bin/" +
invoker.toolchain_tuple + "-",
root_build_dir)
nacl_toolchain("glibc_" + toolchain_cpu) {
is_clang = false
is_nacl_glibc = true
cc = toolprefix + "gcc"
cxx = toolprefix + "g++"
ar = toolprefix + "ar"
ld = cxx
}
}
nacl_glibc_toolchain("x86") {
toolchain_package = "nacl_x86_glibc"
toolchain_revision = nacl_x86_glibc_rev
toolchain_tuple = "i686-nacl"
}
nacl_glibc_toolchain("x64") {
toolchain_package = "nacl_x86_glibc"
toolchain_revision = nacl_x86_glibc_rev
toolchain_tuple = "x86_64-nacl"
}
nacl_glibc_toolchain("arm") {
toolchain_package = "nacl_arm_glibc"
toolchain_revision = nacl_arm_glibc_rev
toolchain_tuple = "arm-nacl"
}
template("nacl_clang_toolchain") {
toolchain_cpu = target_name
assert(defined(invoker.toolchain_tuple), "Must define toolchain_tuple")
toolchain_package = "pnacl_newlib"
toolchain_revision = pnacl_newlib_rev
toolprefix = rebase_path("${nacl_toolchain_dir}/${toolchain_package}/bin/" +
invoker.toolchain_tuple + "-",
root_build_dir)
nacl_toolchain("clang_newlib_" + toolchain_cpu) {
is_clang = true
cc = toolprefix + "clang"
cxx = toolprefix + "clang++"
ar = toolprefix + "ar"
ld = cxx
}
}
template("nacl_irt_toolchain") {
toolchain_cpu = target_name
assert(defined(invoker.toolchain_tuple), "Must define toolchain_tuple")
toolchain_package = "pnacl_newlib"
toolchain_revision = pnacl_newlib_rev
toolprefix = rebase_path("${nacl_toolchain_dir}/${toolchain_package}/bin/" +
invoker.toolchain_tuple + "-",
root_build_dir)
link_irt = rebase_path("//native_client/build/link_irt.py", root_build_dir)
tls_edit_label =
"//native_client/src/tools/tls_edit:tls_edit($host_toolchain)"
host_toolchain_out_dir =
rebase_path(get_label_info(tls_edit_label, "root_out_dir"),
root_build_dir)
tls_edit = "${host_toolchain_out_dir}/tls_edit"
nacl_toolchain("irt_" + toolchain_cpu) {
is_clang = true
cc = toolprefix + "clang"
cxx = toolprefix + "clang++"
ar = toolprefix + "ar"
readelf = toolprefix + "readelf"
# Always build the IRT with full debugging symbols, regardless of
# how Chromium itself is being built (or other NaCl executables).
symbol_level = 2
# Some IRT implementations (notably, Chromium's) contain C++ code,
# so we need to link w/ the C++ linker.
ld = "${python_path} ${link_irt} --tls-edit=${tls_edit} --link-cmd=${cxx} --readelf-cmd=${readelf}"
# TODO(ncbray): depend on link script
deps = [
tls_edit_label,
]
}
}
template("nacl_clang_toolchains") {
assert(defined(invoker.toolchain_tuple), "Must define toolchain_tuple")
nacl_clang_toolchain(target_name) {
toolchain_tuple = invoker.toolchain_tuple
}
nacl_irt_toolchain(target_name) {
toolchain_tuple = invoker.toolchain_tuple
}
}
nacl_clang_toolchains("x86") {
toolchain_tuple = "i686-nacl"
}
nacl_clang_toolchains("x64") {
toolchain_tuple = "x86_64-nacl"
}
nacl_clang_toolchains("arm") {
toolchain_tuple = "arm-nacl"
}
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