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-rw-r--r--wscript27
1 files changed, 27 insertions, 0 deletions
diff --git a/wscript b/wscript
index ee1ece5744..e0d71235e5 100644
--- a/wscript
+++ b/wscript
@@ -773,6 +773,10 @@ def options(opt):
help = 'directory for installing {0} [{1}]' \
.format(desc, default))
+ group.add_option('--variant',
+ default = '',
+ help = 'variant name for saving configuration and build results')
+
opt.parse_features('build and install options', build_options)
optional_features = main_dependencies + libav_dependencies
opt.parse_features('optional feaures', optional_features)
@@ -798,6 +802,7 @@ def is_debug_build(ctx):
return getattr(ctx.options, 'enable_debug-build')
def configure(ctx):
+ ctx.resetenv(ctx.options.variant)
ctx.check_waf_version(mini='1.7.15')
target = os.environ.get('TARGET')
(cc, pkg_config, windres) = ('cc', 'pkg-config', 'windres')
@@ -858,5 +863,27 @@ def configure(ctx):
ctx.store_dependencies_lists()
def build(ctx):
+ if ctx.options.variant not in ctx.all_envs:
+ from waflib import Errors
+ raise Errors.WafError(
+ 'The project was not configured: run "waf --variant={0} configure" first!'
+ .format(ctx.options.variant))
ctx.unpack_dependencies_lists()
ctx.load('wscript_build')
+
+def init(ctx):
+ from waflib.Build import BuildContext, CleanContext, InstallContext, UninstallContext
+ for y in (BuildContext, CleanContext, InstallContext, UninstallContext):
+ class tmp(y):
+ variant = ctx.options.variant
+
+ # This is needed because waf initializes the ConfigurationContext with
+ # an arbitrary setenv('') which would rewrite the previous configuration
+ # cache for the default variant if the configure step finishes.
+ # Ideally ConfigurationContext should just let us override this at class
+ # level like the other Context subclasses do with variant
+ from waflib.Configure import ConfigurationContext
+ class cctx(ConfigurationContext):
+ def resetenv(self, name):
+ self.all_envs = {}
+ self.setenv(name)