Resolving dependencies... Starting old-locale-1.0.0.7 Starting haskell-lexer-1.1 Starting monads-tf-0.1.0.3 Starting network-3.1.2.7 Building old-locale-1.0.0.7 Building haskell-lexer-1.1 Building monads-tf-0.1.0.3 Completed old-locale-1.0.0.7 Starting regex-base-0.94.0.2 Building regex-base-0.94.0.2 Building network-3.1.2.7 Completed monads-tf-0.1.0.3 Starting safe-0.3.19 Building safe-0.3.19 Completed regex-base-0.94.0.2 Starting semigroups-0.20 Building semigroups-0.20 Completed semigroups-0.20 Starting split-0.2.3.4 Building split-0.2.3.4 Completed safe-0.3.19 Starting splitmix-0.1.0.4 Building splitmix-0.1.0.4 Completed split-0.2.3.4 Starting text-icu-0.8.0 Building text-icu-0.8.0 Completed splitmix-0.1.0.4 Starting th-compat-0.1.3 Failed to install text-icu-0.8.0 Build log ( /home/builder/.cabal/logs/ghc-8.10.2/text-icu-0.8.0-AZud6TKOjxB1jCM8mafVL3.log ): cabal: Entering directory '/tmp/cabal-tmp-15996/text-icu-0.8.0' Configuring text-icu-0.8.0... Preprocessing library for text-icu-0.8.0.. compiling dist/build/Data/Text/ICU/NumberFormatter_hsc_make.c failed (exit code 1) rsp file was: "dist/build/Data/Text/ICU/hsc2hscall19013-0.rsp" command was: /usr/bin/cc -c dist/build/Data/Text/ICU/NumberFormatter_hsc_make.c -o dist/build/Data/Text/ICU/NumberFormatter_hsc_make.o -fuse-ld=gold -D__GLASGOW_HASKELL__=810 -Dlinux_BUILD_OS=1 -Dx86_64_BUILD_ARCH=1 -Dlinux_HOST_OS=1 -Dx86_64_HOST_ARCH=1 -Iinclude -Idist/build/include -Wall -Wextra -pedantic -Wno-deprecated -Idist/build/autogen -Idist/build/global-autogen -include dist/build/autogen/cabal_macros.h -I/opt/ghc/8.10.2/lib/ghc-8.10.2/time-1.9.3/include -I/opt/ghc/8.10.2/lib/ghc-8.10.2/bytestring-0.10.10.0/include -I/opt/ghc/8.10.2/lib/ghc-8.10.2/base-4.14.1.0/include -I/opt/ghc/8.10.2/lib/ghc-8.10.2/integer-gmp-1.0.3.0/include -I/opt/ghc/8.10.2/lib/ghc-8.10.2/include -I/opt/ghc/8.10.2/lib/ghc-8.10.2/include/ error: In file included from dist/build/Data/Text/ICU/NumberFormatter_hsc_make.c:1:0: /opt/ghc/8.10.2/lib/ghc-8.10.2/template-hsc.h:44:20: warning: ISO C does not permit named variadic macros [-Wvariadic-macros] #define hsc_const(x...) \ ^~~ /opt/ghc/8.10.2/lib/ghc-8.10.2/template-hsc.h:50:24: warning: ISO C does not permit named variadic macros [-Wvariadic-macros] #define hsc_const_str(x...) \ ^~~ /opt/ghc/8.10.2/lib/ghc-8.10.2/template-hsc.h:69:19: warning: ISO C does not permit named variadic macros [-Wvariadic-macros] #define hsc_type(t...) \ ^~~ /opt/ghc/8.10.2/lib/ghc-8.10.2/template-hsc.h:95:19: warning: ISO C does not permit named variadic macros [-Wvariadic-macros] #define hsc_size(t...) \ ^~~ /opt/ghc/8.10.2/lib/ghc-8.10.2/template-hsc.h:98:24: warning: ISO C does not permit named variadic macros [-Wvariadic-macros] #define hsc_alignment(x...) \ ^~~ /opt/ghc/8.10.2/lib/ghc-8.10.2/template-hsc.h:117:25: warning: ISO C does not permit named variadic macros [-Wvariadic-macros] #define hsc_haskellize(x...) \ ^~~ NumberFormatter.hsc:25:10: fatal error: unicode/unumberformatter.h: No such file or directory compilation terminated. cabal: Leaving directory '/tmp/cabal-tmp-15996/text-icu-0.8.0' Starting utility-ht-0.0.16 Building th-compat-0.1.3 Building utility-ht-0.0.16 Completed th-compat-0.1.3 Completed network-3.1.2.7 Completed utility-ht-0.0.16 Completed haskell-lexer-1.1 cabal: Error: some packages failed to install: text-icu-0.8.0-AZud6TKOjxB1jCM8mafVL3 failed during the building phase. The exception was: ExitFailure 1 uniform-error-0.1.3-6T689PcS7ugJnwMuu4oJFJ depends on uniform-error-0.1.3 which failed to install. uniform-strings-0.1.3-J6BUcS7gAAG2Q8Us3t0cRt depends on uniform-strings-0.1.3 which failed to install. uniform-time-0.1.3-58ujX8tSV3g1jBaZ4ZmPuy depends on uniform-time-0.1.3 which failed to install.