chore(3p/immer): Remove vendored copy of immer r/2029

We ended up dropping the use of this library again.

Change-Id: I2c44cd22a6128d23f87a582402bf5fb84991d608
Reviewed-on: https://cl.tvl.fyi/c/depot/+/2292
Tested-by: BuildkiteCI
Reviewed-by: Profpatsch <mail@profpatsch.de>

1 files changed, 0 insertions, 108 deletions

diff --git a/third_party/immer/cmake/FindBoehmGC.cmake b/third_party/immer/cmake/FindBoehmGC.cmake
deleted file mode 100644
index bdb7240e6d8c..000000000000
--- a/third_party/immer/cmake/FindBoehmGC.cmake
+++ /dev/null
@@ -1,108 +0,0 @@
-# - Try to find Boehm GC
-#   Once done, this will define
-#
-#   BOEHM_GC_FOUND - system has Boehm GC
-#   BOEHM_GC_INCLUDE_DIR - the Boehm GC include directories
-#   BOEHM_GC_LIBRARIES - link these to use Boehm GC
-# 
-#   Copyright (c) 2010-2015  Takashi Kato <ktakashi@ymail.com>
-# 
-#   Redistribution and use in source and binary forms, with or without
-#   modification, are permitted provided that the following conditions
-#   are met:
-# 
-#   1. Redistributions of source code must retain the above copyright
-#      notice, this list of conditions and the following disclaimer.
-# 
-#   2. Redistributions in binary form must reproduce the above copyright
-#      notice, this list of conditions and the following disclaimer in the
-#      documentation and/or other materials provided with the distribution.
-# 
-#   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-#   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-#   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-#   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-#   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-#   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
-#   TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-#   PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-#   LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-#   NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-#   SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-# 
-#  $Id: $
-# 
-
-# CMake module to find Boehm GC
-
-# use pkg-config if available
-FIND_PACKAGE(PkgConfig)
-PKG_CHECK_MODULES(PC_BDW_GC QUIET bdw-gc)
-
-# try newer one first in case of gc.h is overwritten.
-FIND_PATH(BOEHM_GC_INCLUDE_DIR gc/gc.h
-  HINTS ${PC_BDW_GC_INCLUDEDIR} ${PC_BDW_GC_INCLUDE_DIRS})
-
-IF (NOT BOEHM_GC_INCLUDE_DIR)
-  FIND_PATH(BOEHM_GC_INCLUDE_DIR gc.h
-    HINTS ${PC_BDW_GC_INCLUDEDIR} ${PC_BDW_GC_INCLUDE_DIRS})
-  IF (BOEHM_GC_INCLUDE_DIR)
-    SET(HAVE_GC_H TRUE)
-  ENDIF()
-ELSE()
-  SET(HAVE_GC_GC_H TRUE)
-ENDIF()
-
-# For FreeBSD we need to use gc-threaded
-IF (${CMAKE_SYSTEM_NAME} STREQUAL "FreeBSD")
-  # checks if 'gc' supports 'GC_get_parallel' and if it does
-  # then use it
-  INCLUDE(${CMAKE_ROOT}/Modules/CheckCSourceCompiles.cmake)
-  # not sure if this links properly...
-  FIND_LIBRARY(BOEHM_GC_LIBRARIES NAMES gc
-    HINTS ${PC_BDW_GC_LIBDIR} ${PC_BDW_GC_LIBRARY_DIRS})
-  MESSAGE(STATUS "GC library ${BOEHM_GC_LIBRARIES}")
-  SET(CMAKE_REQUIRED_LIBRARIES "gc")
-  SET(CMAKE_REQUIRED_DEFINITIONS "-DGC_THREADS")
-  SET(CMAKE_REQUIRED_INCLUDES "${BOEHM_GC_INCLUDE_DIR}")
-  SET(CMAKE_REQUIRED_FLAGS "-L${PC_BDW_GC_LIBRARY_DIRS}")
-  MESSAGE(STATUS "Boehm GC include dir: ${CMAKE_REQUIRED_INCLUDES}")
-  CHECK_C_SOURCE_RUNS(
-    "#include <gc.h>
-int main() {
-int i= GC_get_parallel();
-return 0;
-}
-" GC_GET_PARALLEL_WORKS)
-  IF (NOT GC_GET_PARALLEL_WORKS)
-    MESSAGE(STATUS "Try gc-threaded")
-
-    # bdw-gc-threaded is the proper name for FreeBSD pkg-config
-    PKG_CHECK_MODULES(PC_BDW_GC_THREADED bdw-gc-threaded)
-    FIND_LIBRARY(BOEHM_GC_THREADED_LIBRARIES NAMES gc-threaded
-      HINTS ${PC_BDW_GC_THREADED_LIBDIR} ${PC_BDW_GC_THREADED_THREADED_DIRS})
-
-    MESSAGE(STATUS "GC threaded library ${BOEHM_GC_THREADED_LIBRARIES}")
-    IF (BOEHM_GC_THREADED_LIBRARIES)
-      # OK just use it
-      SET(BOEHM_GC_LIBRARIES "${BOEHM_GC_THREADED_LIBRARIES}")
-    ENDIF()
-  ENDIF()
-ELSE()
-  FIND_LIBRARY(BOEHM_GC_LIBRARIES NAMES gc
-    HINTS ${PC_BDW_GC_LIBDIR} ${PC_BDW_GC_LIBRARY_DIRS})
-  # OpenSolaris uses bgc as Boehm GC runtime in its package manager.
-  # so try it
-  IF (NOT BOEHM_GC_LIBRARIES)
-    FIND_LIBRARY(BOEHM_GC_LIBRARIES NAMES bgc
-      HINTS ${PC_BDW_GC_LIBDIR} ${PC_BDW_GC_LIBRARY_DIRS})
-  ENDIF()
-ENDIF()
-
-MESSAGE(STATUS "Found GC library: ${BOEHM_GC_LIBRARIES}")
-
-INCLUDE(FindPackageHandleStandardArgs)
-FIND_PACKAGE_HANDLE_STANDARD_ARGS(Boehm_GC DEFAULT_MSG
-                                  BOEHM_GC_LIBRARIES BOEHM_GC_INCLUDE_DIR)
-
-MARK_AS_ADVANCED(BOEHM_GC_LIBRARIES BOEHM_GC_INCLUDE_DIR)