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sd-boot: Detect supported compile args

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This brings the final list of compiler arguments more in line with
how meson does things. In particular, --buildtype=plain will not
add any optimizations on its own (and would have to be provided
through CFLAGS=).
This commit is contained in:
Jan Janssen 2021-11-02 10:21:19 +01:00
parent f8a738bbc0
commit 1840dfc327
1 changed files with 28 additions and 19 deletions
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47
src/boot/efi/meson.build
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@ -45,6 +45,12 @@ stub_sources = '''
cpio.c
'''.split()
if ['ia32', 'x86_64'].contains(efi_arch)
stub_sources += 'linux_x86.c'
else
stub_sources += 'linux.c'
endif
if conf.get('ENABLE_EFI') == 1 and get_option('gnu-efi') != 'false'
efi_cc = get_option('efi-cc')
if efi_cc.length() == 0
@ -218,11 +224,7 @@ if have_gnu_efi
'-include', efi_config_h,
'-include', version_h,
]
if ['ia32', 'x86_64'].contains(efi_arch)
stub_sources += 'linux_x86.c'
else
stub_sources += 'linux.c'
endif
if efi_arch == 'x86_64'
compile_args += ['-mno-red-zone',
'-mno-sse',
@ -231,29 +233,36 @@ if have_gnu_efi
compile_args += ['-mno-sse',
'-mno-mmx']
elif efi_arch == 'arm'
if cc.has_argument('-mgeneral-regs-only')
compile_args += ['-mgeneral-regs-only']
endif
if cc.has_argument('-mfpu=none')
compile_args += ['-mfpu=none']
endif
compile_args += cc.get_supported_arguments([
'-mgeneral-regs-only',
'-mfpu=none'
])
endif
if get_option('werror') == true
# We are putting the efi_cc command line together ourselves, so make sure to pull any
# relevant compiler flags from meson/CFLAGS as povided by the user or distro.
if get_option('werror')
compile_args += ['-Werror']
endif
if get_option('buildtype') == 'debug'
compile_args += ['-ggdb', '-O0', '-DEFI_DEBUG']
elif get_option('buildtype') == 'debugoptimized'
compile_args += ['-ggdb', '-Og', '-DEFI_DEBUG']
else
compile_args += ['-O2']
if get_option('debug')
compile_args += ['-ggdb', '-DEFI_DEBUG']
endif
if get_option('optimization') != '0'
compile_args += ['-O' + get_option('optimization')]
endif
if get_option('b_ndebug') == 'true' or (
get_option('b_ndebug') == 'if-release' and ['plain', 'release'].contains(get_option('buildtype')))
compile_args += ['-DNDEBUG']
endif
foreach arg : get_option('c_args')
if arg in ['-Werror', '-g', '-ggdb', '-O1', '-O2', '-O3', '-Og', '-Os', '-DNDEBUG']
message('Using "@0@" from c_args for EFI compiler'.format(arg))
compile_args += arg
endif
endforeach
efi_ldflags = ['-T', efi_lds,
'-shared',
'-Bsymbolic',