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Fix shell argument limit #1731

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Fix shell argument limit #1731

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3 changes: 3 additions & 0 deletions tools/common_compiler_flags.py
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Original file line number Diff line number Diff line change
Expand Up @@ -121,3 +121,6 @@ def generate(env):
elif env["lto"] == "full":
env.Append(CCFLAGS=["-flto"])
env.Append(LINKFLAGS=["-flto"])

if env["platform"] == "linux" or env.get("use_mingw", False):
env['ARFLAGS'] = "rcs"
31 changes: 30 additions & 1 deletion tools/godotcpp.py
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
import os
import platform
import tempfile
import sys

from SCons.Action import Action
Expand Down Expand Up @@ -162,6 +163,25 @@ def scons_generate_bindings(target, source, env):
return None


def _build_static_lib_with_rsp(target, source, env):
target_lib = str(target[0])

with tempfile.NamedTemporaryFile(mode="w", suffix=".rsp", delete=False) as rsp_file:
rsp_path = rsp_file.name
for src in source:
rsp_file.write(str(src) + "\n")

try:
ar = env['AR']
arflags = env.get("ARFLAGS", "")
command = "{} {} {} @{}".format(ar, arflags, target_lib, rsp_path)
env.Execute(command)
finally:
os.remove(rsp_path)

return None


platforms = ["linux", "macos", "windows", "android", "ios", "web"]

# CPU architecture options.
Expand Down Expand Up @@ -513,6 +533,9 @@ def generate(env):
"GodotCPPDocData": Builder(action=scons_generate_doc_source),
}
)
if env["platform"] == "linux" or env.get("use_mingw", False):
env.Append(BUILDERS={"GodotStaticLibRspBuilder": Builder(action=Action(_build_static_lib_with_rsp, "$ARCOMSTR"))})

env.AddMethod(_godot_cpp, "GodotCPP")


Expand Down Expand Up @@ -547,7 +570,13 @@ def _godot_cpp(env):
library_name = "libgodot-cpp" + env["suffix"] + env["LIBSUFFIX"]

if env["build_library"]:
library = env.StaticLibrary(target=env.File("bin/%s" % library_name), source=sources)
if env["platform"] == "linux" or env.get("use_mingw", False):
# Use a custom builder to aggregate object files into a static library using a temporary response file.
# This avoids hitting the shell argument limit.
library = env.GodotStaticLibRspBuilder(target=env.File("bin/%s" % library_name), source=env.Object(sources))
else:
library = env.StaticLibrary(target=env.File("bin/%s" % library_name), source=sources)

env.NoCache(library)
default_args = [library]

Expand Down