- workaround for the failure: error: variable 'total_weight' set but not used [-Werror,-Wunused-but-set-variable]

--- CMakeLists.txt.orig	2024-03-18 08:56:37 UTC
+++ CMakeLists.txt
@@ -149,7 +149,7 @@ if(CMAKE_COMPILER_IS_GNUCC)
     # prevents the definition of __STRICT_ANSI__
     #
     # Ditto for C++, with the c++98/gnu++98 subtlety.
-    set (CMAKE_C_FLAGS "-W -Wall ${CMAKE_C_FLAGS}")
+    set (CMAKE_C_FLAGS "-W ${CMAKE_C_FLAGS}")
     if (MINGW)
         set (CMAKE_C_FLAGS "-std=gnu99 ${CMAKE_C_FLAGS}")
     else()
@@ -159,7 +159,7 @@ if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
 endif()
 
 if(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-    set (CMAKE_CXX_FLAGS "-W -Wall ${CMAKE_CXX_FLAGS}")
+    set (CMAKE_CXX_FLAGS "-W ${CMAKE_CXX_FLAGS}")
     if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
         message(FATAL_ERROR "cado-nfs requires gcc version 5 or greater")
     endif()
@@ -201,8 +201,8 @@ elseif(CMAKE_C_COMPILER_ID MATCHES "Intel")
     message(STATUS "Enabling C++11 support")
 elseif(CMAKE_C_COMPILER_ID MATCHES "Intel")
     message(STATUS "Applying flags for icc")
-    set (CMAKE_C_FLAGS   "-W -Wall -wd13200,13203 ${CMAKE_C_FLAGS}")
-    set (CMAKE_CXX_FLAGS "-W -Wall -wd13200,13203,3058 ${CMAKE_CXX_FLAGS}")
+    set (CMAKE_C_FLAGS   "-W -wd13200,13203 ${CMAKE_C_FLAGS}")
+    set (CMAKE_CXX_FLAGS "-W -wd13200,13203,3058 ${CMAKE_CXX_FLAGS}")
     set (CMAKE_C_FLAGS   "-std=c99 ${CMAKE_C_FLAGS}")
 
     # only icc>=15 is full c++11 compliant, it seems. But 14 will do.
@@ -220,7 +220,7 @@ if(CMAKE_C_COMPILER_ID MATCHES "AppleClang" OR CMAKE_H
 
 if(CMAKE_C_COMPILER_ID MATCHES "AppleClang" OR CMAKE_HOST_SYSTEM_NAME
         STREQUAL "Darwin" AND CMAKE_C_COMPILER_ID MATCHES "Clang" )
-    set (CMAKE_C_FLAGS   "-std=c99 -W -Wall ${CMAKE_C_FLAGS}")
+    set (CMAKE_C_FLAGS   "-std=c99 -W ${CMAKE_C_FLAGS}")
 endif()
 
 if(CMAKE_CXX_COMPILER_ID MATCHES "AppleClang" OR CMAKE_HOST_SYSTEM_NAME
@@ -232,7 +232,7 @@ elseif(CMAKE_CXX_COMPILER_ID MATCHES "^Clang")
         message(STATUS "Enabling C++11 support")
     endif()
 elseif(CMAKE_CXX_COMPILER_ID MATCHES "^Clang")
-    set (CMAKE_CXX_FLAGS "-W -Wall ${CMAKE_CXX_FLAGS}")
+    set (CMAKE_CXX_FLAGS "-W ${CMAKE_CXX_FLAGS}")
     # According to http://clang.llvm.org/cxx_status.html
     # Caveat: Apple's clang identifies itself as plain Clang on some
     # occasions... I don't exactly know when and how, but there's some