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[libc][newlib]在不开启libc的情况下，依然定义RT_USING_NEWLIB和数学库

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This commit is contained in:
Meco Man 2021-10-05 10:35:27 -04:00
parent b60adb2d04
commit 11d193ea9b
1 changed files with 3 additions and 4 deletions
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7
components/libc/compilers/gcc/newlib/SConscript
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@ -4,18 +4,17 @@ Import('rtconfig')
src = [] src = []
cwd = GetCurrentDir() cwd = GetCurrentDir()
group = [] group = []
LIBS = [] LIBS = ['m']
CPPDEFINES = [] CPPDEFINES = ['RT_USING_NEWLIB']
CPPPATH = [cwd] CPPPATH = [cwd]
if rtconfig.PLATFORM == 'gcc': if rtconfig.PLATFORM == 'gcc':
if GetDepend('RT_USING_LIBC'): if GetDepend('RT_USING_LIBC'):
CPPDEFINES += ['RT_USING_NEWLIB']
# link with libc and libm: # link with libc and libm:
# libm is a frequently used lib. Newlib is compiled with -ffunction-sections in # libm is a frequently used lib. Newlib is compiled with -ffunction-sections in
# recent GCC tool chains. The linker would just link in the functions that have # recent GCC tool chains. The linker would just link in the functions that have
# been referenced. So setting this won't result in bigger text size. # been referenced. So setting this won't result in bigger text size.
LIBS += ['c', 'm'] LIBS += ['c']
src += Glob('*.c') src += Glob('*.c')
if GetDepend('RT_USING_MODULE') == False: if GetDepend('RT_USING_MODULE') == False: