From 47ce69aa5737409fc3b66fdfcba0953284dbf969 Mon Sep 17 00:00:00 2001
From: Kefu Chai <kchai@redhat.com>
Date: Wed, 13 May 2020 20:28:12 +0800
Subject: [PATCH] cmake: remove cppcheck and iwyu targets

these targets are not used by any other targets, and are not integrated with CI.
so let's drop them.

Signed-off-by: Kefu Chai <kchai@redhat.com>
---
 CMakeLists.txt                   |  2 --
 cmake/modules/FindCppCheck.cmake | 28 ----------------------------
 cmake/modules/FindIWYU.cmake     | 25 -------------------------
 3 files changed, 55 deletions(-)
 delete mode 100644 cmake/modules/FindCppCheck.cmake
 delete mode 100644 cmake/modules/FindIWYU.cmake

diff --git a/CMakeLists.txt b/CMakeLists.txt
index fa00d1316bcc..064d3b94f1c3 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -675,6 +675,4 @@ add_tags(ctags
   EXCLUDES "*.js" "*.css")
 add_custom_target(tags DEPENDS ctags)
 
-find_package(CppCheck)
-find_package(IWYU)
 set(VERSION 15.2.0)
diff --git a/cmake/modules/FindCppCheck.cmake b/cmake/modules/FindCppCheck.cmake
deleted file mode 100644
index 0ee701c0a2aa..000000000000
--- a/cmake/modules/FindCppCheck.cmake
+++ /dev/null
@@ -1,28 +0,0 @@
-unset(CPPCHECK_BIN CACHE)
-find_program(CPPCHECK_BIN cppcheck)
-
-if(CPPCHECK_BIN)
-  find_file(PROJECT_FILE compile_commands.json PATH .)
-  if(NOT PROJECT_FILE)
-    message(STATUS "Found cppcheck, but no \"compile_commands.json\" file. To enable cppcheck, set CMAKE_EXPORT_COMPILE_COMMANDS to \"ON\" and build again.")
-    return()
-  endif()
-
-  include(ProcessorCount)
-  ProcessorCount(N)
-   
-  execute_process(COMMAND cppcheck --version OUTPUT_VARIABLE CPPCHECK_VERSION OUTPUT_STRIP_TRAILING_WHITESPACE)
-  separate_arguments(CPPCHECK_VERSION)
-  list(GET CPPCHECK_VERSION 1 VERSION_NUMBER)
-  if(VERSION_NUMBER VERSION_GREATER_EQUAL 1.88)
-    set(CPP_STD_VERSION "c++17")
-  else()
-    set(CPP_STD_VERSION "c++14")
-  endif()
-
-  add_custom_target(cppcheck
-    COMMAND ${CPPCHECK_BIN} --verbose -j${N} --std=${CPP_STD_VERSION} --inline-suppr --project=${PROJECT_FILE} 2> cppcheck.txt | grep done
-    )
-
-  message(STATUS "Found cppcheck. To perform static analysis using cppcheck, use: \"make cppcheck\". Results will be stored in \"cppcheck.txt\".")
-endif()
diff --git a/cmake/modules/FindIWYU.cmake b/cmake/modules/FindIWYU.cmake
deleted file mode 100644
index 83bfd415a7ed..000000000000
--- a/cmake/modules/FindIWYU.cmake
+++ /dev/null
@@ -1,25 +0,0 @@
-unset(IWYU_BIN CACHE)
-find_program(IWYU_BIN iwyu_tool.py)
-
-if(IWYU_BIN)
-  find_file(PROJECT_FILE compile_commands.json PATH .)
-  if(NOT PROJECT_FILE)
-    message(STATUS "Found IWYU, but no \"compile_commands.json\" file. To enable IWYU, set CMAKE_EXPORT_COMPILE_COMMANDS to \"ON\" and build again.")
-    return()
-  endif()
-
-  if(NOT CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
-    message(STATUS "Found IWYU, but clang++ is not used. To enable IWYU, set CMAKE_C_COMPILER to \"clang\" and CMAKE_CXX_COMPILER to \"clang++\" and build again.")
-    return()
-  endif()
-
-  include(ProcessorCount)
-  ProcessorCount(N)
-   
-  add_custom_target(iwyu
-    COMMAND echo "IWYU is analyzing includes - this may take a while..."
-    COMMAND ${IWYU_BIN} -j${N} -p . > iwyu.txt
-    )
-
-  message(STATUS "Found IWYU. To perform header analysis using IWYU, use: \"make iwyu\". Results will be stored in \"iwyu.txt\".")
-endif()
-- 
2.47.3