From d8f6932888135c0dd5523394e8d7bc19ae06012b Mon Sep 17 00:00:00 2001
From: Nils Wentzell <nils.wentzell@gmail.com>
Date: Fri, 6 Apr 2018 14:35:21 +0200
Subject: [PATCH] Make static analyzers optional

---
 c++/app4triqs/CMakeLists.txt | 51 ++++++++++++++++++++----------------
 1 file changed, 28 insertions(+), 23 deletions(-)

diff --git a/c++/app4triqs/CMakeLists.txt b/c++/app4triqs/CMakeLists.txt
index 92a6f4da..2674e7a9 100644
--- a/c++/app4triqs/CMakeLists.txt
+++ b/c++/app4triqs/CMakeLists.txt
@@ -21,33 +21,38 @@ install(DIRECTORY ${CMAKE_CURRENT_SOURCE_DIR} DESTINATION include FILES_MATCHING
 
 # ========= Static Analyzer Checks ==========
 
-# Locate static analyzer tools
-find_program(CPPCHECK_EXECUTABLE NAMES "cppcheck" PATHS ENV PATH)
-find_program(CLANG_TIDY_EXECUTABLE NAMES "clang-tidy" PATHS ENV PATH)
+option(ANALYZE_SOURCES OFF "Run static analyzer checks if found (clang-tidy, cppcheck)")
+if(ANALYZE_SOURCES)
 
-# Run clang-tidy if found
-if(CLANG_TIDY_EXECUTABLE)
-  message(STATUS "clang-tidy found: ${CLANG_TIDY_EXECUTABLE}")
-  set_target_properties(app4triqs_c PROPERTIES CXX_CLANG_TIDY "${CLANG_TIDY_EXECUTABLE}")
-else()
-  message(STATUS "clang-tidy not found in $PATH. Please consider installing clang-tidy for additional checks!")
-endif()
+  # Locate static analyzer tools
+  find_program(CPPCHECK_EXECUTABLE NAMES "cppcheck" PATHS ENV PATH)
+  find_program(CLANG_TIDY_EXECUTABLE NAMES "clang-tidy" PATHS ENV PATH)
 
-# Run cppcheck if found
-if(CPPCHECK_EXECUTABLE)
-  message(STATUS "cppcheck found: ${CPPCHECK_EXECUTABLE}")
-  add_custom_command(
+  # Run clang-tidy if found
+  if(CLANG_TIDY_EXECUTABLE)
+    message(STATUS "clang-tidy found: ${CLANG_TIDY_EXECUTABLE}")
+    set_target_properties(app4triqs_c PROPERTIES CXX_CLANG_TIDY "${CLANG_TIDY_EXECUTABLE}")
+  else()
+    message(STATUS "clang-tidy not found in $PATH. Please consider installing clang-tidy for additional checks!")
+  endif()
+
+  # Run cppcheck if found
+  if(CPPCHECK_EXECUTABLE)
+    message(STATUS "cppcheck found: ${CPPCHECK_EXECUTABLE}")
+    add_custom_command(
 	TARGET app4triqs_c
 	COMMAND ${CPPCHECK_EXECUTABLE}
-	--enable=warning,style,performance,portability
-        --std=c++14
-	--template=gcc
-        --verbose
-        --quiet
-        ${sources}
-  )
-else()
-  message(STATUS "cppcheck not found in $PATH. Please consider installing cppcheck for additional checks!")
+	  --enable=warning,style,performance,portability
+	  --std=c++14
+	  --template=gcc
+	  --verbose
+	  --quiet
+          ${sources}
+    )
+  else()
+    message(STATUS "cppcheck not found in $PATH. Please consider installing cppcheck for additional checks!")
+  endif()
+
 endif()