From 367f86f21a3f232449096aec0c7646bfba9d049f Mon Sep 17 00:00:00 2001
From: Michal Simon <michal.simon@cern.ch>
Date: Fri, 17 Jan 2020 15:05:06 +0100
Subject: [PATCH] [CMake/RPM] Remove google crc32c.

---
 CMakeLists.txt          |  5 -----
 external/CMakeLists.txt | 46 -----------------------------------------
 packaging/makesrpm.sh   | 22 --------------------
 3 files changed, 73 deletions(-)
 delete mode 100644 external/CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3c4481807e3..a216fb73e55 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,11 +49,6 @@ endmacro()
 #-------------------------------------------------------------------------------
 # Build in subdirectories
 #-------------------------------------------------------------------------------
-add_subdirectory( external )
-if( HAVE_CRC32C )
-  add_definitions( -DHAVE_CRC32C )
-endif()
-
 add_subdirectory( src )
 add_subdirectory( bindings )
 
diff --git a/external/CMakeLists.txt b/external/CMakeLists.txt
deleted file mode 100644
index 8160bc96d27..00000000000
--- a/external/CMakeLists.txt
+++ /dev/null
@@ -1,46 +0,0 @@
-find_package(Git QUIET)
-
-if( ENABLE_CRC32C )
-
-  if(GIT_FOUND AND EXISTS "${PROJECT_SOURCE_DIR}/.git")
-      ###########################################################
-      # Update the crc32c submodule
-      ###########################################################
-      option(CRC32C_SUBMODULE "Check submodules during build" ON)
-      if(CRC32C_SUBMODULE)
-          message(STATUS "crc32c submodule update")
-          execute_process(COMMAND ${GIT_EXECUTABLE} submodule update --init -- "${PROJECT_SOURCE_DIR}/external/crc32c"
-                          WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
-                          RESULT_VARIABLE CRC32C_SUBMOD_RESULT)
-          if(NOT CRC32C_SUBMOD_RESULT EQUAL "0")
-              message(FATAL_ERROR "crc32c submodule update failed with ${CRC32C_SUBMOD_RESULT}, please checkout the submodules")
-          endif()
-      endif()
-  endif()
-
-  if(NOT EXISTS "${PROJECT_SOURCE_DIR}/external/crc32c/CMakeLists.txt")
-      message(FATAL_ERROR "The crc32c submodules was not downloaded! CRC32_SUBMODULE was turned off or failed. Please update submodules and try again.")
-  else()
-      ###########################################################
-      # Configure CRC32C build
-      ###########################################################
-      set(CRC32C_BUILD_TESTS OFF CACHE BOOL "Disable CRC32C tests.")
-      set(CRC32C_BUILD_BENCHMARKS OFF CACHE BOOL "Disable CRC32C benchmarks.")
-      set(CRC32C_USE_GLOG OFF CACHE BOOL "Disable CRC32C glog.")
-      set(CRC32C_INSTALL OFF CACHE BOOL "Do NOT install crc32c targets and headers.")
-      ###########################################################
-      # Set up utility variables for convenience
-      ###########################################################
-      set( HAVE_CRC32C         TRUE                                             PARENT_SCOPE )
-      set( CRC32C_INCLUDE_DIR  "${PROJECT_SOURCE_DIR}/external/crc32c/include/" PARENT_SCOPE )
-      set( CRC32C_LIBRARY_DIR  "${PROJECT_BINARY_DIR}external/crc32c/"          PARENT_SCOPE )
-      set( CRC32C_STATIC_LIB   "crc32c"                                         PARENT_SCOPE )
-      ###########################################################
-      # Make the crc32c library reallocable so it can be used when
-      # making a shared object
-      ###########################################################
-      set( CMAKE_POSITION_INDEPENDENT_CODE ON )
-      add_subdirectory(crc32c)
-  endif()
-
-endif()
diff --git a/packaging/makesrpm.sh b/packaging/makesrpm.sh
index 510b6f987a3..f595c75dae4 100755
--- a/packaging/makesrpm.sh
+++ b/packaging/makesrpm.sh
@@ -243,7 +243,6 @@ fi
 # Make sure submodules are in place
 #-------------------------------------------------------------------------------
 git submodule init
-git submodule update -- external/crc32c
 git submodule update -- src/XrdClHttp
 git submodule update -- src/XrdCeph
 #git submodule foreach git pull origin master
@@ -298,27 +297,6 @@ fi
 
 cd - > /dev/null
 
-#-------------------------------------------------------------------------------
-# Add external/crc32c sub-module to our tarball
-#-------------------------------------------------------------------------------
-cd external/crc32c
-
-TAG=1.1.0
-
-git archive --prefix=xrootd/external/crc32c/ --format=tar $TAG > $RPMSOURCES/xrootd-crc32c.tar
-if test $? -ne 0; then
-  echo "[!] Unable to create the xrootd-crc32c source tarball" 1>&2
-  exit 6
-fi
-
-tar --concatenate --file $RPMSOURCES/xrootd.tar $RPMSOURCES/xrootd-crc32c.tar
-if test $? -ne 0; then
-  echo "[!] Unable to add xrootd-crc32c to xrootd tarball" 1>&2
-  exit 6
-fi
-
-cd - > /dev/null
-
 #-------------------------------------------------------------------------------
 # gzip the tarball
 #-------------------------------------------------------------------------------