supports older linux

cozorocks/deps/build_deps.sh

@@ -2,16 +2,16 @@
 
 set -e
 
-if [[ "$OSTYPE" == "linux-gnu"* ]]; then
-  export CC=/usr/bin/clang-12
-  export CPP=/usr/bin/clang-cpp-12
-  export CXX=/usr/bin/clang++-12
-  export LD=/usr/bin/ld.lld-12
-  if [ ! -f ${CC} ]; then echo "${CC} not found"; exit; fi
-  if [ ! -f ${CPP} ]; then echo "${CPP} not found"; exit; fi
-  if [ ! -f ${CXX} ]; then echo "${CXX} not found"; exit; fi
-  if [ ! -f ${LD} ]; then echo "${LD} not found"; exit; fi
-fi
+#if [[ "$OSTYPE" == "linux-gnu"* ]]; then
+#  export CC=/usr/bin/clang-12
+#  export CPP=/usr/bin/clang-cpp-12
+#  export CXX=/usr/bin/clang++-12
+#  export LD=/usr/bin/ld.lld-12
+#  if [ ! -f ${CC} ]; then echo "${CC} not found"; exit; fi
+#  if [ ! -f ${CPP} ]; then echo "${CPP} not found"; exit; fi
+#  if [ ! -f ${CXX} ]; then echo "${CXX} not found"; exit; fi
+#  if [ ! -f ${LD} ]; then echo "${LD} not found"; exit; fi
+#fi
 
 N_CORES=$(getconf _NPROCESSORS_ONLN)
 
@@ -64,7 +64,8 @@ cmake -DCMAKE_BUILD_TYPE=Release \
   -Dzstd_LIBRARIES=${PWD}/../../zstd/lib \
   -DJeMalloc_INCLUDE_DIRS=${PWD}/../../jemalloc/include \
   -DJeMalloc_LIBRARIES=${PWD}/../../jemalloc/lib \
+  -DFAIL_ON_WARNINGS=0 \
   -DCMAKE_CXX_STANDARD=20 -DWITH_GFLAGS=1 -DWITH_LZ4=1 -DWITH_ZSTD=1 -DUSE_RTTI=1 -DWITH_TESTS=0 \
   -DWITH_JEMALLOC=1 -DWITH_BENCHMARK_TOOLS=0 -DWITH_CORE_TOOLS=0 -DWITH_TOOLS=0 -DWITH_TRACE_TOOLS=0 ..
 make -j $N_CORES
-cd ..
+cd ..