Reduce the minimum required version of Abseil

1. The required version of Abseil is now 20240116.0 instead of 20240116.2.
   This was an oversight. Thanks to @NeroBurner for pointing this out.
   Both CMake and Bazel builds are updated.

2. Unbreak the Bazel build which had become stale.

Change-Id: I274bbad2f94f7710387f9693de9c66b035758970

CMakeLists.txt

@@ -157,8 +157,8 @@ else()
   # For some reason unknown to me having the version number in the
   # find_package call fails. So we check for he minimum version
   # manually.
-  if (absl_VERSION VERSION_LESS 20240116.2)
-    message(FATAL_ERROR "The version of abseil installed on the system is " ${absl_VERSION} " need at least 20240116.2")
+  if (absl_VERSION VERSION_LESS 20240116)
+    message(FATAL_ERROR "The version of abseil installed on the system is " ${absl_VERSION} " need at least 20240116")
   endif()
 endif()
 

MODULE.bazel

@@ -1,6 +1,7 @@
+
 # MODULE.bazel
 
-bazel_dep(name = "abseil-cpp", version = "20240116.2")
+bazel_dep(name = "abseil-cpp", version = "20240116.0")
 bazel_dep(name = "googletest", version = "1.14.0")
 bazel_dep(name = "eigen", version = "3.4.0")
 bazel_dep(name = "google_benchmark", version = "1.8.4")

bazel/ceres.bzl

@@ -68,9 +68,9 @@ CERES_SRCS = ["internal/ceres/" + filename for filename in [
     "eigensparse.cc",
     "evaluation_callback.cc",
     "evaluator.cc",
+    "event_logger.cc",
     "file.cc",
     "first_order_function.cc",
-    "float_suitesparse.cc",
     "function_sample.cc",
     "gradient_checker.cc",
     "gradient_checking_cost_function.cc",
@@ -121,7 +121,6 @@ CERES_SRCS = ["internal/ceres/" + filename for filename in [
     "sparse_cholesky.cc",
     "sparse_matrix.cc",
     "sparse_normal_cholesky_solver.cc",
-    "stringprintf.cc",
     "subset_preconditioner.cc",
     "suitesparse.cc",
     "thread_pool.cc",
@@ -134,7 +133,6 @@ CERES_SRCS = ["internal/ceres/" + filename for filename in [
     "types.cc",
     "visibility_based_preconditioner.cc",
     "visibility.cc",
-    "wall_time.cc",
 ]]
 
 # TODO(rodrigoq): add support to configure Ceres into various permutations,