build: disable -Wenum-constexpr-conversion with clang 18
Refs: #5300
Change-Id: Ib62d0e6498a0ff2e1a54b136ddcc61caef69c3bd
diff --git a/.jenkins.d/40-headers-check.sh b/.jenkins.d/40-headers-check.sh
index 40e5f34..28cc98f 100755
--- a/.jenkins.d/40-headers-check.sh
+++ b/.jenkins.d/40-headers-check.sh
@@ -17,7 +17,7 @@
CXX=${CXX:-g++}
STD=-std=c++17
-CXXFLAGS="-O2 -Wall -Wno-unneeded-internal-declaration -Wno-unused-const-variable $(pkg-config --cflags libndn-cxx $PCFILE)"
+CXXFLAGS="-O2 -Wall -Wno-unknown-warning-option -Wno-enum-constexpr-conversion -Wno-unused-const-variable $(pkg-config --cflags libndn-cxx $PCFILE)"
INCLUDEDIR="$(pkg-config --variable=includedir $PCFILE)"/$PROJ
echo "Using: $CXX $STD $CXXFLAGS"