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Added --target option to compile either os or stdlib. And renamed previous --target to --arch.

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This commit is contained in:
Patrick 2024-02-03 00:38:47 +01:00
parent 3cd4fe9537
commit debbd09b6d
2 changed files with 33 additions and 27 deletions
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25
SConstruct
View File

@ -3,8 +3,8 @@ import os
import subprocess
AddOption(
'--target',
dest = 'target',
'--arch',
dest = 'arch',
type = 'choice',
choices = ('i686', 'x86_64'),
nargs = 1,
@ -12,24 +12,29 @@ AddOption(
default = 'x86_64'
)
AddOption(
'--stdlib',
dest = 'stdlib',
action = 'store_true'
'--target',
dest = 'target',
type = 'choice',
choices = ('os', 'stdlib'),
nargs = 1,
action = 'store',
default = 'os'
)
target = GetOption('target')
stdlib = GetOption('stdlib')
arch = GetOption('arch')
target = GetOption('target')
env = Environment(tools = ['default', 'compilation_db'], ENV = os.environ) # TODO inheriting the environment is not a best practice
env.Append(CCFLAGS = ['-g', '-O0', '-fno-stack-protector'])
env.Append(CPPDEFINES = ['BASTL_EXTENSIONS=1'])
env['TARGET_ARCH'] = target
env['BUILD_TARGET'] = target
env['TARGET_ARCH'] = arch
# env.Append(CCFLAGS = ['-O2'])
env['ISO_FILES'] = []
env = SConscript('targets/_any/SConscript', exports = 'env')
if not stdlib:
env = SConscript(f'targets/{target}/SConscript', exports = 'env')
if env['BUILD_TARGET'] == 'os':
env = SConscript(f'targets/{arch}/SConscript', exports = 'env')
comp_db = env.CompilationDatabase(target = '#compile_commands.json')
env.Default(comp_db)

35
targets/_any/stdlib/SConscript
View File

@ -16,23 +16,24 @@ stdlib_sources = Split(f'''
env.Append(KERNEL_SOURCES = [env.File(f) for f in stdlib_sources])
### Stdlib
stdlib_env = env.Clone()
stdlib_env['AS'] = 'x86_64-baos-elf-as'
stdlib_env['CC'] = 'x86_64-baos-elf-gcc'
stdlib_env['CXX'] = 'x86_64-baos-elf-g++'
stdlib_env['LD'] = 'x86_64-baos-elf-g++'
stdlib_env['OBJSUFFIX'] = f'.baos{stdlib_env["OBJSUFFIX"]}'
stdlib_env.Append(CXXFLAGS = ['-fno-exceptions', '-fno-rtti', '-std=c++20'])
stdlib_env.Append(CPPPATH = ['#targets/_any/bastl/include', '#targets/_any/stdlib/include', '#targets/_any/kernel/include'])
if env['BUILD_TARGET'] == 'stdlib':
### Stdlib
stdlib_env = env.Clone()
stdlib_env['AS'] = 'x86_64-elf-baos-as'
stdlib_env['CC'] = 'x86_64-elf-baos-gcc'
stdlib_env['CXX'] = 'x86_64-elf-baos-g++'
stdlib_env['LD'] = 'x86_64-elf-baos-g++'
stdlib_env['OBJSUFFIX'] = f'.baos{stdlib_env["OBJSUFFIX"]}'
stdlib_env.Append(CXXFLAGS = ['-fno-exceptions', '-fno-rtti', '-std=c++20'])
stdlib_env.Append(CPPPATH = ['#targets/_any/bastl/include', '#targets/_any/stdlib/include', '#targets/_any/kernel/include'])
lib_stdlib = stdlib_env.StaticLibrary(
target = stdlib_env.File('#stdlib/stdlib.a'),
source = stdlib_sources
)
crti_o = stdlib_env.Object(target = '#stdlib/crti.o', source = stdlib_env['CRTI_PATH'])
crtn_o = stdlib_env.Object(target = '#stdlib/crtn.o', source = stdlib_env['CRTN_PATH'])
crt0_o = stdlib_env.Object(target = '#stdlib/crt0.o', source = stdlib_env['CRT0_PATH'])
stdlib_env.Default([lib_stdlib, crti_o, crtn_o, crt0_o])
lib_stdlib = stdlib_env.StaticLibrary(
target = stdlib_env.File('#stdlib/stdlib.a'),
source = stdlib_sources
)
crti_o = stdlib_env.Object(target = '#stdlib/crti.o', source = stdlib_env['CRTI_PATH'])
crtn_o = stdlib_env.Object(target = '#stdlib/crtn.o', source = stdlib_env['CRTN_PATH'])
crt0_o = stdlib_env.Object(target = '#stdlib/crt0.o', source = stdlib_env['CRT0_PATH'])
stdlib_env.Default([lib_stdlib, crti_o, crtn_o, crt0_o])
Return('env')