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authorBernard Xiong <[email protected]>2013-01-13 22:53:52 -0800
committerBernard Xiong <[email protected]>2013-01-13 22:53:52 -0800
commit7a8dfb6dd5f972c43c435dd221fc3d8f053f5f96 (patch)
tree5856167c41e89bf688bb4c6d60c95ca57718bdcb /components/libc/newlib/SConscript
parent64bf67ccfd492db8f39ce1304520008a30037ed0 (diff)
parent9168e18e5cb9589e79752f04b3da911fb9758bf0 (diff)
Merge pull request #11 from grissiom/remove-newlib-math
remove math code for newlib
Diffstat (limited to 'components/libc/newlib/SConscript')
-rw-r--r--components/libc/newlib/SConscript9
1 files changed, 8 insertions, 1 deletions
diff --git a/components/libc/newlib/SConscript b/components/libc/newlib/SConscript
index 28d66bc0fe..a3ddbe9f4d 100644
--- a/components/libc/newlib/SConscript
+++ b/components/libc/newlib/SConscript
@@ -11,6 +11,13 @@ cwd = GetCurrentDir()
src = Glob('*.c')
CPPPATH = [cwd]
-group = DefineGroup('newlib', src, depend = ['RT_USING_NEWLIB'], CPPPATH = CPPPATH)
+# 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.
+LIBS = ['m']
+
+group = DefineGroup('newlib', src, depend = ['RT_USING_NEWLIB'],
+ CPPPATH = CPPPATH, LIBS = LIBS)
Return('group')