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Newlib: link with libm in default. 

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 been referenced. So setting this won't
result in bigger text size.
This commit is contained in:
Grissiom 2013-01-11 15:13:11 +08:00
parent 3ef523714f
commit 8ad12057c4
1 changed files with 6 additions and 0 deletions
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6
components/libc/newlib/SConscript
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@ -11,6 +11,12 @@ cwd = GetCurrentDir()
src = Glob('*.c')
CPPPATH = [cwd]
# link with libm in default.
# 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
# been referenced. So setting this won't result in bigger text size.
Env.Append(LIBS = ['m'])
group = DefineGroup('newlib', src, depend = ['RT_USING_NEWLIB'], CPPPATH = CPPPATH)
Return('group')