driver: Remove glog

Two `LOG(ERROR)` usages are converted to ordinary prints, one
`LOG(INFO)` usage is dropped without replacement since the
`JAVA_FUZZER_CLASSPATH` variable isn't even documented.

4 files changed, 5 insertions, 22 deletions

diff --git a/driver/BUILD.bazel b/driver/BUILD.bazel
index ac285958..2d503cce 100644
--- a/driver/BUILD.bazel
+++ b/driver/BUILD.bazel
@@ -7,7 +7,6 @@ cc_library(
     deps = [
         ":jvm_tooling_lib",
         "@com_google_absl//absl/strings",
-        "@com_google_glog//:glog",
         "@fmeum_rules_jni//jni:libjvm",
         "@jazzer_com_github_gflags_gflags//:gflags",
     ],
@@ -25,7 +24,6 @@ cc_library(
         "@bazel_tools//tools/cpp/runfiles",
         "@com_google_absl//absl/strings",
         "@com_google_absl//absl/strings:str_format",
-        "@com_google_glog//:glog",
         "@fmeum_rules_jni//jni",
         "@jazzer_com_github_gflags_gflags//:gflags",
     ],
diff --git a/driver/jazzer_main.cpp b/driver/jazzer_main.cpp
index 01118813..c72e111f 100644
--- a/driver/jazzer_main.cpp
+++ b/driver/jazzer_main.cpp
@@ -29,7 +29,6 @@
 
 #include "absl/strings/match.h"
 #include "gflags/gflags.h"
-#include "glog/logging.h"
 #include "jvm_tooling.h"
 
 // Defined by glog
@@ -121,9 +120,6 @@ int StartLibFuzzer(std::unique_ptr<jazzer::JVM> jvm,
 
 int main(int argc, char **argv) {
   gflags::SetUsageMessage(kUsageMessage);
-  // Disable glog log prefixes to mimic libFuzzer output.
-  FLAGS_log_prefix = false;
-  google::InitGoogleLogging(argv[0]);
   rules_jni_init(argv[0]);
 
   const auto argv_end = argv + argc;
diff --git a/driver/jvm_tooling.cpp b/driver/jvm_tooling.cpp
index 267639bd..71a5f581 100644
--- a/driver/jvm_tooling.cpp
+++ b/driver/jvm_tooling.cpp
@@ -26,7 +26,6 @@
 #include "absl/strings/str_replace.h"
 #include "absl/strings/str_split.h"
 #include "gflags/gflags.h"
-#include "glog/logging.h"
 #include "tools/cpp/runfiles/runfiles.h"
 
 DEFINE_string(cp, ".",
@@ -158,8 +157,8 @@ std::string getInstrumentorAgentPath(const std::string &executable_path) {
   // User provided agent location takes precedence.
   if (!FLAGS_agent_path.empty()) {
     if (std::ifstream(FLAGS_agent_path).good()) return FLAGS_agent_path;
-    LOG(ERROR) << "Could not find " << kAgentFileName << " at \""
-               << FLAGS_agent_path << "\"";
+    std::cerr << "ERROR: Could not find " << kAgentFileName << " at \""
+              << FLAGS_agent_path << "\"" << std::endl;
     exit(1);
   }
   // First check if we are running inside the Bazel tree and use the agent
@@ -182,9 +181,9 @@ std::string getInstrumentorAgentPath(const std::string &executable_path) {
   auto agent_path =
       absl::StrFormat("%s%c%s", dir, kPathSeparator, kAgentFileName);
   if (std::ifstream(agent_path).good()) return agent_path;
-  LOG(ERROR) << "Could not find " << kAgentFileName
-             << ". Please provide "
-                "the pathname via the --agent_path flag.";
+  std::cerr << "ERROR: Could not find " << kAgentFileName
+            << ". Please provide the pathname via the --agent_path flag."
+            << std::endl;
   exit(1);
 }
 
@@ -262,7 +261,6 @@ JVM::JVM(const std::string &executable_path) {
   }
   class_path +=
       absl::StrCat(ARG_SEPARATOR, getInstrumentorAgentPath(executable_path));
-  LOG(INFO) << "got class path " << class_path;
 
   std::vector<JavaVMOption> options;
   options.push_back(
diff --git a/repositories.bzl b/repositories.bzl
index 8e757f15..7abffd87 100644
--- a/repositories.bzl
+++ b/repositories.bzl
@@ -47,15 +47,6 @@ def jazzer_dependencies():
 
     maybe(
         http_archive,
-        name = "com_google_glog",
-        repo_mapping = {"@com_github_gflags_gflags": "@jazzer_com_github_gflags_gflags"},
-        sha256 = "8a83bf982f37bb70825df71a9709fa90ea9f4447fb3c099e1d720a439d88bad6",
-        strip_prefix = "glog-0.6.0",
-        url = "https://github.com/google/glog/archive/refs/tags/v0.6.0.tar.gz",
-    )
-
-    maybe(
-        http_archive,
         name = "com_google_absl",
         sha256 = "4208129b49006089ba1d6710845a45e31c59b0ab6bff9e5788a87f55c5abd602",
         strip_prefix = "abseil-cpp-20220623.0",