Use explicit special "all" target

.travis.yml

@@ -64,11 +64,11 @@ install:
      ghc-travis collection ${COLL} | grep -Fv " ${PKGNAME} ==" > cabal.project.freeze;
      grep ' collection-id' cabal.project.freeze;
      rm -rf dist-newstyle/;
-     cabal new-build -w ${HC} ${TEST} ${BENCH} --dep -j2;
+     cabal new-build -w ${HC} ${TEST} ${BENCH} --dep -j2 all;
    done
  - rm -f cabal.project.freeze
- - cabal new-build -w ${HC} ${TEST} ${BENCH} --dep -j2
- - cabal new-build -w ${HC} --disable-tests --disable-benchmarks --dep -j2
+ - cabal new-build -w ${HC} ${TEST} ${BENCH} --dep -j2 all
+ - cabal new-build -w ${HC} --disable-tests --disable-benchmarks --dep -j2 all
 
 # Here starts the actual work to be performed for the package under test;
 # any command which exits with a non-zero exit code causes the build to fail.
@@ -86,10 +86,10 @@ script:
  - "echo 'packages: .' > cabal.project"
  # this builds all libraries and executables (without tests/benchmarks)
  - rm -f cabal.project.freeze
- - cabal new-build -w ${HC} --disable-tests --disable-benchmarks
+ - cabal new-build -w ${HC} --disable-tests --disable-benchmarks all
  # this builds all libraries and executables (including tests/benchmarks)
  # - rm -rf ./dist-newstyle
- - cabal new-build -w ${HC} ${TEST} ${BENCH}
+ - cabal new-build -w ${HC} ${TEST} ${BENCH} all
 
  # there's no 'cabal new-test' yet, so let's emulate for now
  - TESTS=( $(awk 'tolower($0) ~ /^test-suite / { print $2 }' *.cabal) )
@@ -106,7 +106,7 @@ script:
      ghc-travis collection ${COLL} | grep -Fv " ${PKGNAME} ==" > cabal.project.freeze;
      grep ' collection-id' cabal.project.freeze;
      rm -rf dist-newstyle/;
-     cabal new-build -w ${HC} ${TEST} ${BENCH} || break;
+     cabal new-build -w ${HC} ${TEST} ${BENCH} all || break;
    done
 
 # EOF