Add dependency to gflags and related tests

WORKSPACE

@@ -13,3 +13,20 @@ new_http_archive(
     sha256="b58cb7547a28b2c718d1e38aee18a3659c9e3ff52440297e965f5edffe34b6d0",
     build_file="third_party/gtest.BUILD",
     strip_prefix="googletest-release-1.7.0", )
+
+# External dependency to gflags.  This method comes from
+# https://github.com/gflags/example/blob/master/WORKSPACE.
+new_git_repository(
+    name="gflags",
+    tag="v2.2.0",
+    remote="https://github.com/gflags/gflags.git",
+    build_file="third_party/gflags.BUILD",
+)
+
+# External dependency to glog.  This method comes from
+# https://github.com/reyoung/bazel_playground/blob/master/WORKSPACE
+new_git_repository(
+    name="glog",
+    remote="https://github.com/google/glog.git",
+    commit="b6a5e0524c28178985f0d228e9eaa43808dbec3c",
+    build_file="third_party/glog.BUILD")

third_party/gflags.BUILD

@@ -0,0 +1,12 @@
+# Bazel (http://bazel.io/) BUILD file for gflags.
+#
+# See INSTALL.md for instructions for adding gflags to a Bazel workspace.
+
+licenses(["notice"])
+
+exports_files(["src/gflags_complections.sh", "COPYING.txt"])
+
+load(":bazel/gflags.bzl", "gflags_sources", "gflags_library")
+(hdrs, srcs) = gflags_sources(namespace=["google", "gflags"])
+gflags_library(hdrs=hdrs, srcs=srcs, threads=0)
+gflags_library(hdrs=hdrs, srcs=srcs, threads=1)

third_party/gflags_test/BUILD

@@ -0,0 +1,11 @@
+licenses(["notice"])  # Apache 2.0
+
+cc_test(
+    name = "gflags_test",
+    srcs = ["gflags_test.cc"],
+    copts = ["-Iexternal/gtest/include"],
+    deps = [
+        "@gtest//:gtest",
+        "@gflags//:gflags",
+     ],
+)

third_party/gflags_test/gflags_test.cc

@@ -0,0 +1,36 @@
+#include <iostream>
+#include <string>
+
+#include "gflags/gflags.h"
+#include "gtest/gtest.h"
+
+
+DEFINE_bool(verbose, false, "Display program name before message");
+DEFINE_string(message, "Hello world!", "Message to print");
+
+static bool IsNonEmptyMessage(const char *flagname, const std::string &value)
+{
+  return value[0] != '\0';
+}
+DEFINE_validator(message, &IsNonEmptyMessage);
+
+
+namespace third_party {
+namespace gflags_test {
+
+TEST(GflagsTest, ParseAndPrint) {
+  gflags::SetUsageMessage("some usage message");
+  gflags::SetVersionString("1.0.0");
+  int argc = 1;
+  char program_name[] = "gflags_test";
+  char** argv = new char*[2];
+  argv[0] = program_name;
+  argv[1] = NULL;
+  gflags::ParseCommandLineFlags(&argc, reinterpret_cast<char***>(&argv), true);
+  EXPECT_EQ("gflags_test", std::string(gflags::ProgramInvocationShortName()));
+  EXPECT_EQ("Hello world!", FLAGS_message);
+  gflags::ShutDownCommandLineFlags();
+}
+
+}  // namespace gflags_test
+}  // namespace third_party

third_party/glog.BUILD

@@ -0,0 +1,156 @@
+licenses(["notice"])
+
+cc_library(
+    visibility = ["//visibility:public"],
+    name = "glog",
+    includes = [
+        ".",
+        "src",
+    ],
+    copts = [
+        "-D_START_GOOGLE_NAMESPACE_='namespace google {'",
+        "-D_END_GOOGLE_NAMESPACE_='}'",
+        "-DGOOGLE_NAMESPACE='google'",
+        "-DGOOGLE_GLOG_DLL_DECL=''",
+        "-DHAVE_DLADDR",
+        "-DHAVE_SNPRINTF",
+        "-DHAVE_DLFCN_H",
+        "-DHAVE_FCNTL",
+        "-DHAVE_GLOB_H",
+        "-DHAVE_INTTYPES_H",
+        "-DHAVE_LIBPTHREAD",
+        "-DHAVE_SYS_SYSCALL_H",
+        "-DHAVE_MEMORY_H",
+        "-DHAVE_NAMESPACES",
+        "-DHAVE_PREAD",
+        "-DHAVE_PTHREAD",
+        "-DHAVE_PWD_H",
+        "-DHAVE_PWRITE",
+        "-DHAVE_RWLOCK",
+        "-DHAVE_SIGACTION",
+        "-DHAVE_SIGALTSTACK",
+        "-DHAVE_STDINT_H",
+        "-DHAVE_STRING_H",
+        "-DHAVE_SYS_TIME_H",
+        "-DHAVE_SYS_TYPES_H",
+        "-DHAVE_SYS_UCONTEXT_H",
+        "-DHAVE_SYS_UTSNAME_H",
+        "-DHAVE_UNISTD_H",
+        "-DHAVE_USING_OPERATOR",
+        "-DHAVE_HAVE___ATTRIBUTE___",
+        "-DHAVE_HAVE___BUILTIN_EXPECT",
+        #"-DNO_FRAME_POINTER",
+        "-D_GNU_SOURCE",
+        #"-fno-sanitize=thread",
+        #"-fno-sanitize=address",
+        "-Iexternal/glog/src",
+    ],
+    srcs = [
+        "src/demangle.cc",
+        "src/logging.cc",
+        "src/raw_logging.cc",
+        "src/signalhandler.cc",
+        "src/symbolize.cc",
+        "src/utilities.cc",
+        "src/vlog_is_on.cc",
+        ":config_h",
+        ":logging_h",
+        ":raw_logging_h",
+        ":stl_logging_h",
+        ":vlog_is_on_h",
+    ],
+    hdrs = [
+        "src/demangle.h",
+        "src/mock-log.h",
+        "src/stacktrace.h",
+        "src/symbolize.h",
+        "src/utilities.h",
+        "src/base/commandlineflags.h",
+        "src/base/googleinit.h",
+        "src/base/mutex.h",
+        "src/glog/log_severity.h",
+    ],
+)
+
+genrule(
+    name = "config_h",
+    srcs = [
+        "src/config.h.cmake.in",
+    ],
+    outs = [
+        "config.h",
+    ],
+    cmd = "awk '{ gsub(/^#cmakedefine/, \"//cmakedefine\"); print; }' $(<) > $(@)",
+)
+
+genrule(
+    name = "logging_h",
+    srcs = [
+        "src/glog/logging.h.in",
+    ],
+    outs = [
+        "glog/logging.h",
+    ],
+    cmd = "$(location :gen_sh) < $(<) > $(@)",
+    tools = [":gen_sh"],
+)
+
+genrule(
+    name = "raw_logging_h",
+    srcs = [
+        "src/glog/raw_logging.h.in",
+    ],
+    outs = [
+        "glog/raw_logging.h",
+    ],
+    cmd = "$(location :gen_sh) < $(<) > $(@)",
+    tools = [":gen_sh"],
+)
+
+genrule(
+    name = "stl_logging_h",
+    srcs = [
+        "src/glog/stl_logging.h.in",
+    ],
+    outs = [
+        "glog/stl_logging.h",
+    ],
+    cmd = "$(location :gen_sh) < $(<) > $(@)",
+    tools = [":gen_sh"],
+)
+
+genrule(
+    name = "vlog_is_on_h",
+    srcs = [
+        "src/glog/vlog_is_on.h.in",
+    ],
+    outs = [
+        "glog/vlog_is_on.h",
+    ],
+    cmd = "$(location :gen_sh) < $(<) > $(@)",
+    tools = [":gen_sh"],
+)
+
+genrule(
+    name = "gen_sh",
+    outs = [
+        "gen.sh",
+    ],
+    cmd = """
+cat > $@ <<"EOF"
+#! /bin/sh
+sed -e 's/@ac_cv_have_unistd_h@/1/g' \
+    -e 's/@ac_cv_have_stdint_h@/1/g' \
+    -e 's/@ac_cv_have_systypes_h@/1/g' \
+    -e 's/@ac_cv_have_libgflags_h@/1/g' \
+    -e 's/@ac_cv_have_uint16_t@/1/g' \
+    -e 's/@ac_cv_have___builtin_expect@/1/g' \
+    -e 's/@ac_cv_have_.*@/0/g' \
+    -e 's/@ac_google_start_namespace@/namespace google {/g' \
+    -e 's/@ac_google_end_namespace@/}/g' \
+    -e 's/@ac_google_namespace@/google/g' \
+    -e 's/@ac_cv___attribute___noinline@/__attribute__((noinline))/g' \
+    -e 's/@ac_cv___attribute___noreturn@/__attribute__((noreturn))/g' \
+    -e 's/@ac_cv___attribute___printf_4_5@/__attribute__((__format__ (__printf__, 4, 5)))/g'
+EOF"""
+)

third_party/glog_test/BUILD

@@ -0,0 +1,11 @@
+licenses(["notice"])  # Apache 2.0
+
+cc_test(
+    name = "glog_test",
+    srcs = ["glog_test.cc"],
+    copts = ["-Iexternal/gtest/include"],
+    deps =[
+        "@gtest//:gtest",
+        "@glog//:glog",
+    ],
+)

third_party/glog_test/glog_test.cc

@@ -0,0 +1,9 @@
+#include <iostream>
+#include <string>
+
+#include "glog/logging.h"
+#include "gtest/gtest.h"
+
+TEST(GlogTest, Logging) {
+  LOG(INFO) << "Hello world";
+}

third_party/gtest.BUILD

@@ -1,8 +1,14 @@
 cc_library(
-    name="main",
-    srcs=glob(
-        ["src/*.cc"], exclude=["src/gtest-all.cc"]),
-    hdrs=glob(["include/**/*.h", "src/*.h"]),
-    copts=["-Iexternal/gtest/include"],
-    linkopts=["-pthread"],
-    visibility=["//visibility:public"], )
+    name = "gtest",
+    srcs = glob(
+        ["src/*.cc"],
+        exclude = ["src/gtest-all.cc"]
+    ),
+    hdrs = glob([
+        "include/**/*.h",
+        "src/*.h"
+    ]),
+    copts = ["-Iexternal/gtest/include"],
+    linkopts = ["-pthread"],
+    visibility = ["//visibility:public"],
+)

third_party/protobuf_test/BUILD

@@ -19,6 +19,6 @@ cc_test(
     srcs=["example_lib_test.cc"],
     copts=["-Iexternal/gtest/include"],
     deps=[
-        "@gtest//:main",
+        "@gtest//:gtest",
         ":example_lib",
     ], )