################################################################################
# Copyright 2016 Google LLC.
#
# This software is licensed under the terms defined in the Widevine Master
# License Agreement. For a copy of this agreement, please contact
# widevine-licensing@google.com.
################################################################################

# Bazel build file for glog.

licenses(["notice"])

# Common options required by all library targets.
glog_copts = [
    "-Isrc",
    "-D_START_GOOGLE_NAMESPACE_='namespace google {'",
    "-D_END_GOOGLE_NAMESPACE_=}",
    "-DGOOGLE_NAMESPACE=google",
    "-DGOOGLE_GLOG_DLL_DECL=",
    "-DHAVE_LIB_GFLAGS",
    "-DHAVE_PTHREAD",
    "-DHAVE_RWLOCK",
    "-DHAVE_PREAD",
    "-DHAVE_PWRITE",
    "-DHAVE_SYS_TIME_H",
    "-DHAVE_SYS_UTSNAME_H",
    "-DHAVE_UNISTD_H",
    "-DHAVE_GLOB_H",
    "-DHAVE___ATTRIBUTE__",
    "-D__NR_gettid",
    "-Wno-sign-compare",
]

cc_library(
    name = "glog",
    srcs = [
        "src/base/commandlineflags.h",
        "src/base/googleinit.h",
        "src/base/mutex.h",
        "src/demangle.cc",
        "src/demangle.h",
        "src/glog/log_severity.h",
        "src/logging.cc",
        "src/raw_logging.cc",
        "src/signalhandler.cc",
        "src/stacktrace.h",
        "src/stacktrace_generic-inl.h",
        "src/stacktrace_libunwind-inl.h",
        "src/stacktrace_powerpc-inl.h",
        "src/stacktrace_x86-inl.h",
        "src/stacktrace_x86_64-inl.h",
        "src/symbolize.cc",
        "src/symbolize.h",
        "src/utilities.cc",
        "src/utilities.h",
        "src/vlog_is_on.cc",
        ":config_h",
        ":logging_h",
        ":raw_logging_h",
        ":stl_logging_h",
        ":vlog_is_on_h",
    ],
    hdrs = glob(["glog/*.h"]),
    copts = glog_copts,
    includes = ["src/"],
    linkopts = ["-pthread"],
    visibility = ["//visibility:public"],
    deps = ["//external:gflags"],
)

genrule(
    name = "config_h",
    srcs = ["src/config.h.cmake.in"],
    outs = ["config.h"],
    cmd = "awk '{ gsub(/^#cmakedefine/, \"//cmakedefine\"); print; }' $(<) > $(@)",
)

sub_cmd = ("awk '{ " +
           "gsub(/@ac_google_start_namespace@/, \"namespace google {\"); " +
           "gsub(/@ac_google_end_namespace@/, \"}  // namespace google\"); " +
           "gsub(/@ac_google_namespace@/, \"google\"); " +
           ("gsub(/@(ac_cv_have_stdint_h|ac_cv_have_uint16_t|" +
            "ac_cv_have_libgflags|ac_cv_have_unistd_h|" +
            "ac_cv_have___builtin_expect|" +
            "ac_cv_cxx_using_operator)@/, \"1\"); ") +
           "gsub(/@ac_cv___attribute___noreturn@/, \"__attribute__ ((noreturn))\"); " +
           "gsub(/@ac_cv___attribute___noinline@/, \"__attribute__ ((noinline))\"); " +
           "gsub(/@(ac_cv___attribute___[a-z0-9_]+)@/, \"\"); " +
           "gsub(/@([a-z0-9_]+)@/, \"0\"); " +
           "print; }' $(<) > $(@)")

genrule(
    name = "logging_h",
    srcs = ["src/glog/logging.h.in"],
    outs = ["glog/logging.h"],
    cmd = sub_cmd,
)

genrule(
    name = "raw_logging_h",
    srcs = ["src/glog/raw_logging.h.in"],
    outs = ["glog/raw_logging.h"],
    cmd = sub_cmd,
)

genrule(
    name = "stl_logging_h",
    srcs = ["src/glog/stl_logging.h.in"],
    outs = ["glog/stl_logging.h"],
    cmd = sub_cmd,
)

genrule(
    name = "vlog_is_on_h",
    srcs = ["src/glog/vlog_is_on.h.in"],
    outs = ["glog/vlog_is_on.h"],
    cmd = sub_cmd,
)

cc_library(
    name = "test_hdrs",
    hdrs = [
        "src/config_for_unittests.h",
        "src/googletest.h",
    ],
)

cc_test(
    name = "demangle_unittest",
    size = "small",
    srcs = ["src/demangle_unittest.cc"],
    copts = glog_copts,
    data = ["src/demangle_unittest.txt"],
    deps = [
        ":glog",
        ":test_hdrs",
    ],
)

cc_test(
    name = "logging_unittest",
    size = "small",
    srcs = ["src/logging_unittest.cc"],
    copts = glog_copts,
    data = ["src/logging_unittest.err"],
    deps = [
        ":glog",
        ":test_hdrs",
    ],
)

cc_test(
    name = "stacktrace_unittest",
    size = "small",
    srcs = ["src/stacktrace_unittest.cc"],
    copts = glog_copts,
    deps = [
        ":glog",
        ":test_hdrs",
    ],
)

cc_test(
    name = "symbolize_unittest",
    size = "small",
    srcs = ["src/symbolize_unittest.cc"],
    copts = glog_copts,
    deps = [
        ":glog",
        ":test_hdrs",
    ],
)

cc_test(
    name = "utilities_unittest",
    size = "small",
    srcs = ["src/utilities_unittest.cc"],
    copts = glog_copts,
    deps = [
        ":glog",
        ":test_hdrs",
    ],
)