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| author | Rémi Verschelde <rverschelde@gmail.com> | 2019-12-09 19:22:08 +0100 |
|---|---|---|
| committer | Rémi Verschelde <rverschelde@gmail.com> | 2019-12-11 15:40:28 +0100 |
| commit | c320a822132223eba5b317314c5cdc001799d423 (patch) | |
| tree | 4bfa4424bfb7d931cfd7717dae4f4728ec5804ba /SConstruct | |
| parent | cd9d5132854e239726a08098d9029bdd00eee752 (diff) | |
SCons: Add 'split_libmodules' option to workaround linker issue
The new 'split_libmodules=yes' option is useful to work around linker
command line size limitations when linking a huge number of objects.
We're currently over 64k chars when linking libmodules.a on Windows
with MinGW, which triggers issues as seen in #30892.
Even on Linux, we can also reach linker command line size limitations
by adding more custom modules.
We force this option to True for MinGW on Windows, which fixes #30892.
Additional changes to lib splitting:
- Fix linking of the split module libs with interdependent symbols,
hacking our way into LINKCOM and SHLINKCOM to set the `--start-group`
and `--end-group` flags.
- Fix Python 3 compatibility in `methods.split_lib()`.
- Drop seemingly obsolete condition for 'msys' on 'posix'.
- Drop the unnecessary 'split_drivers' as the drivers lib is no longer
too big since we moved all thirdparty builds to modules.
Co-authored-by: Hein-Pieter van Braam-Stewart <hp@tmm.cx>
Diffstat (limited to 'SConstruct')
| -rw-r--r-- | SConstruct | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/SConstruct b/SConstruct index 0e282a1f12..ce13c8bd2e 100644 --- a/SConstruct +++ b/SConstruct @@ -68,8 +68,6 @@ env_base.AppendENVPath('PATH', os.getenv('PATH')) env_base.AppendENVPath('PKG_CONFIG_PATH', os.getenv('PKG_CONFIG_PATH')) env_base.disabled_modules = [] env_base.use_ptrcall = False -env_base.split_drivers = False -env_base.split_modules = False env_base.module_version_string = "" env_base.msvc = False @@ -129,6 +127,7 @@ opts.Add(BoolVariable('dev', "If yes, alias for verbose=yes warnings=extra werro opts.Add('extra_suffix', "Custom extra suffix added to the base filename of all generated binary files", '') opts.Add(BoolVariable('vsproj', "Generate a Visual Studio solution", False)) opts.Add(EnumVariable('macports_clang', "Build using Clang from MacPorts", 'no', ('no', '5.0', 'devel'))) +opts.Add(BoolVariable('split_libmodules', "Split intermediate libmodules.a in smaller chunks to prevent exceeding linker command line size (forced to True when using MinGW)", False)) opts.Add(BoolVariable('disable_3d', "Disable 3D nodes for a smaller executable", False)) opts.Add(BoolVariable('disable_advanced_gui', "Disable advanced GUI nodes and behaviors", False)) opts.Add(BoolVariable('no_editor_splash', "Don't use the custom splash screen for the editor", False)) |