Resolving dependencies... Starting primitive-0.9.0.0 Starting unix-2.7.3 Building primitive-0.9.0.0 Building unix-2.7.3 Completed primitive-0.9.0.0 Starting primitive-unaligned-0.1.1.2 Building primitive-unaligned-0.1.1.2 Completed primitive-unaligned-0.1.1.2 Completed unix-2.7.3 Downloading netw-0.1.1.0 Downloaded netw-0.1.1.0 Starting netw-0.1.1.0 Building netw-0.1.1.0 Failed to install netw-0.1.1.0 Build log ( /home/builder/.cabal/logs/ghc-9.6.3/netw-0.1.1.0-5RzUOiNdWUZ4Df2VYOMHNQ.log ): cabal: Entering directory '/tmp/cabal-tmp-1698564/netw-0.1.1.0' Configuring netw-0.1.1.0... Preprocessing library for netw-0.1.1.0.. compiling dist/build/Netw/Internal/Enum_hsc_make.c failed (exit code 1) rsp file was: "dist/build/Netw/Internal/hsc2hscall1702897-0.rsp" command was: /usr/bin/gcc -c dist/build/Netw/Internal/Enum_hsc_make.c -o dist/build/Netw/Internal/Enum_hsc_make.o -fuse-ld=gold -D__GLASGOW_HASKELL__=906 -Dlinux_BUILD_OS=1 -Dx86_64_BUILD_ARCH=1 -Dlinux_HOST_OS=1 -Dx86_64_HOST_ARCH=1 -Idist/build/autogen -Idist/build/global-autogen -include dist/build/autogen/cabal_macros.h -I/home/builder/builder-dir/build-cache/tmp-install/lib/x86_64-linux-ghc-9.6.3/unix-2.7.3-IUTO58LliSOCUPmTReqSGy/include -I/home/builder/.ghcup/ghc/9.6.3/lib/ghc-9.6.3/lib/../lib/x86_64-linux-ghc-9.6.3/time-1.12.2/include -I/home/builder/builder-dir/build-cache/tmp-install/lib/x86_64-linux-ghc-9.6.3/primitive-0.9.0.0-2Ut0u6h4ou624O572IFc4S/include -I/home/builder/.ghcup/ghc/9.6.3/lib/ghc-9.6.3/lib/../lib/x86_64-linux-ghc-9.6.3/bytestring-0.11.5.2/include -I/home/builder/.ghcup/ghc/9.6.3/lib/ghc-9.6.3/lib/../lib/x86_64-linux-ghc-9.6.3/base-4.18.1.0/include -I/home/builder/.ghcup/ghc/9.6.3/lib/ghc-9.6.3/lib/../lib/x86_64-linux-ghc-9.6.3/ghc-bignum-1.3/include -I/home/builder/.ghcup/ghc/9.6.3/lib/ghc-9.6.3/lib/../lib/x86_64-linux-ghc-9.6.3/rts-1.0.2/include -I/home/builder/.ghcup/ghc/9.6.3/include/ error: In file included from dist/build/Netw/Internal/Enum_hsc_make.c:1: Enum.hsc: In function main: Enum.hsc:89:16: error: IPPROTO_MPTCP undeclared (first use in this function); did you mean IPPROTO_MTP? /home/builder/.ghcup/ghc/9.6.3/lib/ghc-9.6.3/lib/template-hsc.h:45:10: note: in definition of macro hsc_const 45 | if ((x) < 0) \ | ^ Enum.hsc:89:16: note: each undeclared identifier is reported only once for each function it appears in /home/builder/.ghcup/ghc/9.6.3/lib/ghc-9.6.3/lib/template-hsc.h:45:10: note: in definition of macro hsc_const 45 | if ((x) < 0) \ | ^ cabal: Leaving directory '/tmp/cabal-tmp-1698564/netw-0.1.1.0' Error: cabal: Some packages failed to install: netw-0.1.1.0-5RzUOiNdWUZ4Df2VYOMHNQ failed during the building phase. The exception was: ExitFailure 1