Add inline cppcheck message suppression option.

Allow extra options from environment.

Author: BsAtHome

scripts/cppcheck.sh

@@ -13,10 +13,15 @@ fi
 # See if cppcheck accepts --check-level
 EXHAUSTIVE=$(cppcheck --check-level=exhaustive --version > /dev/null 2>&1 && echo "--check-level=exhaustive")
 
-CPPCHKOPT=( -j "$nproc" --force "$EXHAUSTIVE" )
+CPPCHKOPT=( -j "$nproc" --force "$EXHAUSTIVE" --inline-suppr )
 CPPCHKOPT+=( "--enable=warning,performance,portability" )
 CPPCHKOPT+=( "-I$(realpath "$(dirname "$0")/../include")" )
 
+if [ -n "$CPPCHECK_OPTS" ]; then
+    read -r -a OPTS <<< "$CPPCHECK_OPTS"
+    CPPCHKOPT+=( "${OPTS[@]}" )
+fi
+
 # Even cppcheck 2.3 (debian 11) supports c++17 (undocumented)
 CCSTD=( --std=c11 --language=c )
 CXSTD=( --std=c++17 --language=c++ )