USe glog for logging with bazel.

WORKSPACE

@@ -5,6 +5,14 @@ git_repository(
     remote = "https://github.com/gflags/gflags.git",
 )
 
+#Import the glog files.
+new_git_repository(
+    name   = "com_github_glog_glog",
+    build_file = "//bazel:glog.BUILD",
+    remote = "https://github.com/google/glog.git",
+    tag = "v0.3.5",
+)
+
 # proto_library rules implicitly depend on @com_google_protobuf//:protoc,
 # which is the proto-compiler.
 # This statement defines the @com_google_protobuf repo.

bazel/glog.BUILD

@@ -0,0 +1,82 @@
+cc_library(
+    name = "glog",
+    srcs = [
+        "config.h",
+        "src/base/commandlineflags.h",
+        "src/base/googleinit.h",
+        "src/base/mutex.h",
+        "src/demangle.cc",
+        "src/demangle.h",
+        "src/logging.cc",
+        "src/raw_logging.cc",
+        "src/signalhandler.cc",
+        "src/symbolize.cc",
+        "src/symbolize.h",
+        "src/utilities.cc",
+        "src/utilities.h",
+        "src/vlog_is_on.cc",
+    ] + glob(["src/stacktrace*.h"]),
+    hdrs = [
+        "src/glog/log_severity.h",
+        "src/glog/logging.h",
+        "src/glog/raw_logging.h",
+        "src/glog/stl_logging.h",
+        "src/glog/vlog_is_on.h",
+    ],
+    copts = [
+        "-Wno-sign-compare",
+        "-U_XOPEN_SOURCE",
+    ],
+    includes = ["./src"],
+    linkopts = ["-lpthread"] + select({
+        ":libunwind": ["-lunwind"],
+        "//conditions:default": [],
+    }),
+    visibility = ["//visibility:public"],
+    deps = [
+        "@com_github_gflags_gflags//:gflags",
+    ],
+)
+
+config_setting(
+    name = "libunwind",
+    values = {
+        "define": "libunwind=true",
+    },
+)
+
+genrule(
+    name = "run_configure",
+    srcs = [
+        "README",
+        "Makefile.in",
+        "config.guess",
+        "config.sub",
+        "install-sh",
+        "ltmain.sh",
+        "missing",
+        "libglog.pc.in",
+        "src/config.h.in",
+        "src/glog/logging.h.in",
+        "src/glog/raw_logging.h.in",
+        "src/glog/stl_logging.h.in",
+        "src/glog/vlog_is_on.h.in",
+    ],
+    outs = [
+        "config.h",
+        "src/glog/logging.h",
+        "src/glog/raw_logging.h",
+        "src/glog/stl_logging.h",
+        "src/glog/vlog_is_on.h",
+    ],
+    tools = [
+        "configure",
+    ],
+    cmd = "$(location :configure)" +
+          "&& cp -v src/config.h $(location config.h) " +
+          "&& cp -v src/glog/logging.h $(location src/glog/logging.h) " +
+          "&& cp -v src/glog/raw_logging.h $(location src/glog/raw_logging.h) " +
+          "&& cp -v src/glog/stl_logging.h $(location src/glog/stl_logging.h) " +
+          "&& cp -v src/glog/vlog_is_on.h $(location src/glog/vlog_is_on.h) "
+    ,
+)

ortools/base/BUILD

@@ -2,9 +2,6 @@ package(default_visibility = ["//visibility:public"])
 
 cc_library(
     name = "base",
-    srcs = [
-        "logging.cc",
-    ],
     hdrs = [
         "basictypes.h",
         "casts.h",
@@ -18,6 +15,7 @@ cc_library(
     ],
     deps = [
         "@com_github_gflags_gflags//:gflags",
+        "@com_github_glog_glog//:glog",
     ],
 )