Simplify testsuite driver, part 2

Summary:
- Avoid import *; this helps tools such as pyflakes.
The last occurrence in runtests.py is not easy to remove
as it's used by .T files.
- Use False/True instead of 0/1.

Test Plan: validate

Reviewers: bgamari, thomie, simonmar

Reviewed By: thomie

Subscribers: rwbarton, carter

Differential Revision: https://phabricator.haskell.org/D5062

1 files changed, 7 insertions, 7 deletions

diff --git a/testsuite/config/ghc b/testsuite/config/ghc
index 6777a59473..e974b62a96 100644
--- a/testsuite/config/ghc
+++ b/testsuite/config/ghc
@@ -33,7 +33,7 @@ config.other_ways         = ['prof', 'normal_h',
                              'ghci-ext', 'ghci-ext-prof',
                              'ext-interp']
 
-if (ghc_with_native_codegen == 1):
+if ghc_with_native_codegen:
     config.compile_ways.append('optasm')
     config.run_ways.append('optasm')
 
@@ -44,25 +44,25 @@ if config.have_profiling:
 if config.have_interp:
     config.run_ways.append('ghci')
 
-if (ghc_with_threaded_rts == 1):
+if ghc_with_threaded_rts:
     config.run_ways.append('threaded1')
-    if (ghc_with_smp == 1):
+    if ghc_with_smp:
         config.have_smp = True
         config.run_ways.append('threaded2')
 
-if (ghc_with_dynamic_rts == 1):
+if ghc_with_dynamic_rts:
     config.have_shared_libs = True
 
 if config.ghc_dynamic_by_default and config.have_vanilla == 1:
     config.run_ways.append('static')
 else:
-    if (ghc_with_dynamic_rts == 1):
+    if ghc_with_dynamic_rts:
         config.run_ways.append('dyn')
 
-if (config.have_profiling and ghc_with_threaded_rts == 1):
+if (config.have_profiling and ghc_with_threaded_rts):
     config.run_ways.append('profthreaded')
 
-if (ghc_with_llvm == 1 and not config.unregisterised):
+if (ghc_with_llvm and not config.unregisterised):
     config.compile_ways.append('optllvm')
     config.run_ways.append('optllvm')