Add ninja generator flag for writing library deps.
This adds a flag to the ninja generator to specify a file to write library
deps to as generation proceeds. This is so GN can suck the deps out.
BUG=288991
Review=https://codereview.chromium.org/23601020/
git-svn-id: http://gyp.googlecode.com/svn/trunk@1723 78cadc50-ecff-11dd-a971-7dbc132099af
diff --git a/pylib/gyp/generator/ninja.py b/pylib/gyp/generator/ninja.py
index f37d440..01df42f 100644
--- a/pylib/gyp/generator/ninja.py
+++ b/pylib/gyp/generator/ninja.py
@@ -211,7 +211,7 @@
class NinjaWriter:
def __init__(self, qualified_target, target_outputs, base_dir, build_dir,
output_file, toplevel_build, output_file_name, flavor,
- toplevel_dir=None):
+ deps_file=None, toplevel_dir=None):
"""
base_dir: path from source root to directory containing this gyp file,
by gyp semantics, all input paths are relative to this
@@ -245,6 +245,7 @@
# Relative path from base dir to build dir.
base_to_top = gyp.common.InvertRelativePath(base_dir, toplevel_dir)
self.base_to_build = os.path.join(base_to_top, build_dir)
+ self.link_deps_file = deps_file
def ExpandSpecial(self, path, product_dir=None):
"""Expand specials like $!PRODUCT_DIR in |path|.
@@ -982,6 +983,13 @@
continue
linkable = target.Linkable()
if linkable:
+ if self.link_deps_file:
+ # Save the mapping of link deps.
+ self.link_deps_file.write(self.qualified_target)
+ self.link_deps_file.write(' ')
+ self.link_deps_file.write(target.binary)
+ self.link_deps_file.write('\n')
+
if (self.flavor == 'win' and
target.component_objs and
self.msvs_settings.IsUseLibraryDependencyInputs(config_name)):
@@ -2006,6 +2014,14 @@
# target_short_names is a map from target short name to a list of Target
# objects.
target_short_names = {}
+
+ # Extract the optional link deps file name.
+ LINK_DEPS_FILE = 'link_deps_file'
+ if LINK_DEPS_FILE in generator_flags:
+ link_deps_file = open(generator_flags.get(LINK_DEPS_FILE), 'wb')
+ else:
+ link_deps_file = None
+
for qualified_target in target_list:
# qualified_target is like: third_party/icu/icu.gyp:icui18n#target
build_file, name, toolset = \
@@ -2031,7 +2047,9 @@
writer = NinjaWriter(qualified_target, target_outputs, base_path, build_dir,
ninja_output,
toplevel_build, output_file,
- flavor, toplevel_dir=options.toplevel_dir)
+ flavor, link_deps_file,
+ toplevel_dir=options.toplevel_dir)
+
target = writer.WriteSpec(spec, config_name, generator_flags)
if ninja_output.tell() > 0:
