Compiling applications using cross compiler packs libc

David H. Lynch Jr. dhlii at dlasys.net
Wed May 14 15:57:28 EST 2008


Alessandro Rubini wrote:
>> the glibc is also packed
>> up as a part of application though I never make any calls to the glibc
>> libraries.
>>     
>
> If however you really want to build an application without library, you
> should change the linker script. 
some or all of the following gcc flags might be useful if you are truly
compiling an OS independent very small application
-U__linux__
-nostdlib
-nostdinc
-mno-eabi
-fno-builtin
-nostartfiles
-nodefaultlibs
-nostdlib
Also as Alessandro pointed out you will likely need a link script.

-- 
Dave Lynch 					  	    DLA Systems
Software Development:  				         Embedded Linux
717.627.3770 	       dhlii at dlasys.net 	  http://www.dlasys.net
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Over 25 years' experience in platforms, languages, and technologies too numerous to list.

"Any intelligent fool can make things bigger and more complex... It takes a touch of genius - and a lot of courage to move in the opposite direction."
Albert Einstein



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