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Mingw cross compiler support. #99

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Mingw cross compiler support. #99

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459acb2
Added host detectiong. Used detection to kick off mingw to cross com…
zombieCraig Jul 2, 2020
bf8a7ec
Fixed tab/space indect on lince 63
zombieCraig Aug 3, 2020
c5ed230
Merge remote-tracking branch 'upstream/master'
zombieCraig Aug 3, 2020
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54 changes: 45 additions & 9 deletions SConstruct
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Original file line number Diff line number Diff line change
@@ -1,5 +1,6 @@
#!python
import os
import sys

# Reads variables from an optional file.
customs = ['../custom.py']
Expand Down Expand Up @@ -31,6 +32,20 @@ opts.Update(env)
if env['use_llvm']:
env['CXX'] = 'clang++'

# Try to detect the host platform automatically.
# This is used if no `platform` argument is passed
if sys.platform.startswith('linux'):
host_platform = 'linux'
elif sys.platform == 'darwin':
host_platform = 'osx'
elif sys.platform == 'win32' or sys.platform == 'msys':
host_platform = 'windows'
else:
raise ValueError(
'Could not detect platform automatically, please specify with '
'platform=<platform>'
)

# fix needed on OSX
def rpath_fix(target, source, env):
os.system('install_name_tool -id @rpath/libgodot_openvr.dylib {0}'.format(target[0]))
Expand All @@ -45,15 +60,36 @@ if env['platform'] == 'windows':
godot_cpp_library += '.windows'
platform_dir = 'win'
if not env['use_llvm']:
# This makes sure to keep the session environment variables on windows,
# that way you can run scons in a vs 2017 prompt and it will find all the required tools
env.Append(ENV = os.environ)

env.Append(CCFLAGS = ['-DWIN32', '-D_WIN32', '-D_WINDOWS', '-W3', '-GR', '-D_CRT_SECURE_NO_WARNINGS'])
if env['target'] in ('debug', 'd'):
env.Append(CCFLAGS = ['-EHsc', '-D_DEBUG', '-MDd'])
else:
env.Append(CCFLAGS = ['-O2', '-EHsc', '-DNDEBUG', '-MD'])
if host_platform == 'windows':
# This makes sure to keep the session environment variables on windows,
# that way you can run scons in a vs 2017 prompt and it will find all the required tools
env.Append(ENV = os.environ)

env.Append(CCFLAGS = ['-DWIN32', '-D_WIN32', '-D_WINDOWS', '-W3', '-GR', '-D_CRT_SECURE_NO_WARNINGS'])
if env['target'] in ('debug', 'd'):
env.Append(CCFLAGS = ['-EHsc', '-D_DEBUG', '-MDd'])
else:
env.Append(CCFLAGS = ['-O2', '-EHsc', '-DNDEBUG', '-MD'])
elif host_platform == 'linux' or host_platform == 'osx':
# Cross-compilation using MinGW
if env['bits'] == '64':
env['CXX'] = 'x86_64-w64-mingw32-g++'
env['AR'] = "x86_64-w64-mingw32-ar"
env['RANLIB'] = "x86_64-w64-mingw32-ranlib"
env['LINK'] = "x86_64-w64-mingw32-g++"
elif env['bits'] == '32':
env['CXX'] = 'i686-w64-mingw32-g++'
env['AR'] = "i686-w64-mingw32-ar"
env['RANLIB'] = "i686-w64-mingw32-ranlib"
env['LINK'] = "i686-w64-mingw32-g++"
env.Append(CCFLAGS=['-g', '-O3', '-std=c++14', '-Wwrite-strings'])
env.Append(LINKFLAGS=[
'--static',
'-Wl,--no-undefined',
'-static-libgcc',
'-static-libstdc++',
])

# untested
else:
if env['target'] in ('debug', 'd'):
Expand Down