Resolving dependencies... Configuring base16-bytestring-0.1.1.6... Configuring cereal-0.5.4.0... Building cereal-0.5.4.0... Building base16-bytestring-0.1.1.6... Installed base16-bytestring-0.1.1.6 Configuring entropy-0.3.8... Building entropy-0.3.8... Configuring primitive-0.6.2.0... Installed cereal-0.5.4.0 Building primitive-0.6.2.0... Warning: /tmp/pkgConf-entropy-0.311015139291801979802.8: Unrecognized field dynamic-library-dirs on line 26 Configuring mtl-2.2.1... Installed entropy-0.3.8 Building mtl-2.2.1... Configuring random-1.1... Installed mtl-2.2.1 Building random-1.1... Configuring utf8-string-1.0.1.1... Installed primitive-0.6.2.0 Building utf8-string-1.0.1.1... Configuring text-1.2.2.2... Installed random-1.1 Building text-1.2.2.2... Installed utf8-string-1.0.1.1 Configuring tf-random-0.5... Building tf-random-0.5... Installed tf-random-0.5 Configuring QuickCheck-2.10.0.1... Building QuickCheck-2.10.0.1... Installed text-1.2.2.2 Configuring string-conversions-0.4.0.1... Building string-conversions-0.4.0.1... Installed string-conversions-0.4.0.1 Installed QuickCheck-2.10.0.1 Configuring secp256k1-0.5.1... Failed to install secp256k1-0.5.1 Build log ( /home/builder/.cabal/logs/secp256k1-0.5.1.log ): cabal: Entering directory '/tmp/cabal-tmp-21061/secp256k1-0.5.1' [1 of 1] Compiling Main ( /tmp/cabal-tmp-21061/secp256k1-0.5.1/dist/setup/setup.hs, /tmp/cabal-tmp-21061/secp256k1-0.5.1/dist/setup/Main.o ) Linking /tmp/cabal-tmp-21061/secp256k1-0.5.1/dist/setup/setup ... aclocal: warning: couldn't open directory 'build-aux/m4': No such file or directory libtoolize: putting auxiliary files in AC_CONFIG_AUX_DIR, `build-aux'. libtoolize: copying file `build-aux/ltmain.sh' libtoolize: putting macros in AC_CONFIG_MACRO_DIR, `build-aux/m4'. libtoolize: copying file `build-aux/m4/libtool.m4' libtoolize: copying file `build-aux/m4/ltoptions.m4' libtoolize: copying file `build-aux/m4/ltsugar.m4' libtoolize: copying file `build-aux/m4/ltversion.m4' libtoolize: copying file `build-aux/m4/lt~obsolete.m4' configure.ac:10: installing 'build-aux/compile' configure.ac:5: installing 'build-aux/config.guess' configure.ac:5: installing 'build-aux/config.sub' configure.ac:9: installing 'build-aux/install-sh' configure.ac:9: installing 'build-aux/missing' Makefile.am:148: error: CPPFLAGS_FOR_BUILD must be set with '=' before using '+=' Makefile.am:149: error: CFLAGS_FOR_BUILD must be set with '=' before using '+=' Makefile.am: installing 'build-aux/depcomp' parallel-tests: installing 'build-aux/test-driver' autoreconf: automake failed with exit status: 1 cabal: Leaving directory '/tmp/cabal-tmp-21061/secp256k1-0.5.1' cabal: Error: some packages failed to install: secp256k1-0.5.1 failed during the configure step. The exception was: ExitFailure 1