# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

# dummy library name to avoid skipping building the source here, which
# we only need the object for.
Library("elfhack_inject")

DIST_INSTALL = False

stem = CONFIG["TARGET_CPU"]
if CONFIG["RELRHACK"] and CONFIG["OS_TARGET"] == "Android":
    stem += "-android"

gen_src = "%s.c" % stem
GeneratedFile(
    gen_src, script="copy_source.py", entry_point="copy", inputs=["../inject.c"]
)

SOURCES += [
    "!%s" % gen_src,
]

if CONFIG["RELRHACK"]:
    DEFINES["RELRHACK"] = True
    LOCAL_INCLUDES += [".."]

NO_PGO = True

for v in ("OS_CPPFLAGS", "OS_CFLAGS", "DEBUG", "CLANG_PLUGIN", "OPTIMIZE", "FRAMEPTR"):
    flags = []
    idx = 0
    for flag in COMPILE_FLAGS[v]:
        if flag == "-isystem":
            flags.append("".join(COMPILE_FLAGS[v][idx : idx + 2]))
        elif (
            flag.startswith(("-g", "-m", "-I", "-isystem", "--sysroot="))
            or flag == "-fPIC"
        ):
            flags.append(flag)
        idx += 1
    COMPILE_FLAGS[v] = flags

COMPILE_FLAGS["OS_CFLAGS"] += [
    "-O2",
    "-fno-stack-protector",
    "-fno-lto",
    # The injected code runs early enough that it supporting unwinding is useless.
    # Moreover, elfhack doesn't inject the eh_frame section anyways.
    "-fno-asynchronous-unwind-tables",
]

AllowCompilerWarnings()
NoVisibilityFlags()