1 files changed, 85 insertions, 0 deletions
diff --git a/scripts/gen_travis.py b/scripts/gen_travis.py
new file mode 100755
index 0000000..ccbcaf8
--- /dev/null
+++ b/scripts/gen_travis.py
@@ -0,0 +1,85 @@
+#!/usr/bin/env python
+
+from itertools import combinations
+
+travis_template = """\
+language: generic
+
+matrix:
+  include:
+%s
+
+before_script:
+  - autoconf
+  - ./configure ${COMPILER_FLAGS:+ \
+      CC="$CC $COMPILER_FLAGS" } \
+      $CONFIGURE_FLAGS
+  - make -j3
+  - make -j3 tests
+
+script:
+  - make check
+"""
+
+# The 'default' configuration is gcc, on linux, with no compiler or configure
+# flags.  We also test with clang, -m32, --enable-debug, --enable-prof,
+# --disable-stats, and --disable-tcache.  To avoid abusing travis though, we
+# don't test all 2**7 = 128 possible combinations of these; instead, we only
+# test combinations of up to 2 'unusual' settings, under the hope that bugs
+# involving interactions of such settings are rare.
+# things at once, for C(7, 0) + C(7, 1) + C(7, 2) = 29
+MAX_UNUSUAL_OPTIONS = 2
+
+os_default = 'linux'
+os_unusual = 'osx'
+
+compilers_default = 'CC=gcc'
+compilers_unusual = 'CC=clang'
+
+compiler_flag_unusuals = ['-m32']
+
+configure_flag_unusuals = [
+    '--enable-debug', '--enable-prof', '--disable-stats', '--disable-tcache',
+]
+
+all_unusuals = (
+    [os_unusual] + [compilers_unusual] + compiler_flag_unusuals
+    + configure_flag_unusuals
+)
+
+unusual_combinations_to_test = []
+for i in xrange(MAX_UNUSUAL_OPTIONS + 1):
+    unusual_combinations_to_test += combinations(all_unusuals, i)
+
+include_rows = ""
+for unusual_combination in unusual_combinations_to_test:
+    os = os_default
+    if os_unusual in unusual_combination:
+        os = os_unusual
+
+    compilers = compilers_default
+    if compilers_unusual in unusual_combination:
+        compilers = compilers_unusual
+
+    compiler_flags = [
+        x for x in unusual_combination if x in compiler_flag_unusuals]
+
+    configure_flags = [
+        x for x in unusual_combination if x in configure_flag_unusuals]
+
+    # Filter out an unsupported configuration - heap profiling on OS X.
+    if os == 'osx' and '--enable-prof' in configure_flags:
+        continue
+
+    env_string = '{} COMPILER_FLAGS="{}" CONFIGURE_FLAGS="{}"'.format(
+        compilers, " ".join(compiler_flags), " ".join(configure_flags))
+
+    include_rows += '    - os: %s\n' % os
+    include_rows += '      env: %s\n' % env_string
+    if '-m32' in unusual_combination and os == 'linux':
+        include_rows += '      addons:\n'
+	include_rows += '        apt:\n'
+	include_rows += '          packages:\n'
+	include_rows += '            - gcc-multilib\n'
+
+print travis_template % include_rows