[bazel] Remove terminfo dependency

The only enabling configuration of this is irreproducible. Since
terminfo doesn't provide essential functionality, remove it so that all
external dependencies now follow the same config_setting pattern.

This should be an NFC for most setups and all CI setups.

Reviewed By: phosek, MaskRay

Differential Revision: https://reviews.llvm.org/D151006

Author: aaronmondal

utils/bazel/WORKSPACE

@@ -27,13 +27,6 @@ load("@llvm-raw//utils/bazel:configure.bzl", "llvm_configure")
 
 llvm_configure(name = "llvm-project")
 
-load("@llvm-raw//utils/bazel:terminfo.bzl", "llvm_terminfo_from_env")
-
-maybe(
-    llvm_terminfo_from_env,
-    name = "llvm_terminfo",
-)
-
 maybe(
     http_archive,
     name = "llvm_zlib",

utils/bazel/configure.bzl

@@ -5,7 +5,6 @@
 """Helper macros to configure the LLVM overlay project."""
 
 load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
-load(":terminfo.bzl", "llvm_terminfo_disable", "llvm_terminfo_system")
 
 # Directory of overlay files relative to WORKSPACE
 DEFAULT_OVERLAY_PATH = "llvm-project-overlay"
@@ -173,15 +172,3 @@ llvm_configure = repository_rule(
         "targets": attr.string_list(default = DEFAULT_TARGETS),
     },
 )
-
-def llvm_disable_optional_support_deps():
-    maybe(
-        llvm_terminfo_disable,
-        name = "llvm_terminfo",
-    )
-
-def llvm_use_system_support_deps():
-    maybe(
-        llvm_terminfo_system,
-        name = "llvm_terminfo",
-    )

utils/bazel/deps_impl/BUILD.bazel

@@ -38,8 +38,3 @@ http_archive(
 load("@llvm-raw//utils/bazel:configure.bzl", "llvm_configure", "llvm_disable_optional_support_deps")
 
 llvm_configure(name = "llvm-project")
-
-# Disables optional dependencies for Support like zlib and terminfo. You may
-# instead want to configure them using the macros in the corresponding bzl
-# files.
-llvm_disable_optional_support_deps()

utils/bazel/deps_impl/terminfo_disable.BUILD

@@ -27,8 +27,3 @@ new_local_repository(
 load("@llvm-raw//utils/bazel:configure.bzl", "llvm_configure", "llvm_disable_optional_support_deps")
 
 llvm_configure(name = "llvm-project")
-
-# Disables optional dependencies for Support like zlib and terminfo. You may
-# instead want to configure them using the macros in the corresponding bzl
-# files.
-llvm_disable_optional_support_deps()

utils/bazel/deps_impl/terminfo_system.BUILD

@@ -274,11 +274,6 @@ cc_library(
     deps = [
         ":config",
         ":Demangle",
-        # We unconditionally depend on the custom LLVM terminfo wrapper. This
-        # will be an empty library unless terminfo is enabled, in which case it
-        # will both provide the necessary dependencies and configuration
-        # defines.
-        "@llvm_terminfo//:terminfo",
         # We unconditionally depend on the custom LLVM zlib wrapper. This will
         # be an empty library unless zlib is enabled, in which case it will
         # both provide the necessary dependencies and configuration defines.