Trouble inlining code

Trouble inlining code

[securehell]

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Hello group,

I am trying to inline a function with gcc-3.4.4 on a linux x86_64
platform.

The function I am trying to inline is in a header file:

foo.h:

inline int *your_func(int *a) { if (!a) return (NULL); return
(*a++);}

Any file that I compile that includes this header and code compiles
without error:

gcc -m64 -c -Wall -Winline -fPIC -O3 -o bar.o bar.c

But when I try to link, I get a mess...

/usr/bin/gcc -shared -Wl,--whole-archive -Wall -Winline -fPIC -o
libfiles.so file.o libfoo.a -Wl,--no-whole-archive

libfoo.a(file.o)(.text+0x0): In function `my_func':
: multiple definition of `your_func'
libfoo.a(bar.o)(.text+0x0): first defined here

What could I be missing that will inline this function for me?

Thanks,

SH
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Re: Trouble inlining code

[Sven Eschenberg]

Hi,

you might want to check:

http://www.greenend.org.uk/rjk/2003/03/inline.html

Esp. the part with the examples ... I think what you want is a static 
inline (not absolutely sure though)

Greets

-Sven

securehell@hushmail.com wrote:

>-----BEGIN PGP SIGNED MESSAGE-----
>Hash: SHA1
>
>Hello group,
>
>I am trying to inline a function with gcc-3.4.4 on a linux x86_64
>platform.
>
>The function I am trying to inline is in a header file:
>
>foo.h:
>
>inline int *your_func(int *a) { if (!a) return (NULL); return
>(*a++);}
>
>Any file that I compile that includes this header and code compiles
>without error:
>
>gcc -m64 -c -Wall -Winline -fPIC -O3 -o bar.o bar.c
>
>But when I try to link, I get a mess...
>
>/usr/bin/gcc -shared -Wl,--whole-archive -Wall -Winline -fPIC -o
>libfiles.so file.o libfoo.a -Wl,--no-whole-archive
>
>libfoo.a(file.o)(.text+0x0): In function `my_func':
>: multiple definition of `your_func'
>libfoo.a(bar.o)(.text+0x0): first defined here
>
>What could I be missing that will inline this function for me?
>
>Thanks,
>
>SH
>-----BEGIN PGP SIGNATURE-----
>Note: This signature can be verified at https://www.hushtools.com/verify
>Version: Hush 2.4
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>wkYEARECAAYFAkPs/8EACgkQRBFe1uc9INoi7gCaAkhb9S5rcYWmyEwmvK34mILqH1UA
>oJmf9uXEUpXxMYmIYoil2WrYz246
>=wiWt
>-----END PGP SIGNATURE-----
>
>
>  
>

Re: Trouble inlining code

["Sébastien L."]

Hi,

It seems your function is defined several times : multiple definition of 
`your_func'
May be this is a stupid advice, but didn't you forget the classic #ifndef ?

#if !defined(MY_HEADER)
#define MY_HEADER

... my header content and inline definitions  ...

#endif

Hopes this help.

S.L.

Re: Trouble inlining code

[securehell]

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"static inline" did the trick.

Danke shoene.

SH

On Fri, 10 Feb 2006 16:11:52 -0500 Sven Eschenberg <eschenb@cs.uni-
frankfurt.de> wrote:
>Hi,
>
>you might want to check:
>
>http://www.greenend.org.uk/rjk/2003/03/inline.html
>
>Esp. the part with the examples ... I think what you want is a
>static
>inline (not absolutely sure though)
>
>Greets
>
>-Sven
>
>securehell@hushmail.com wrote:
>
>>-----BEGIN PGP SIGNED MESSAGE-----
>>Hash: SHA1
>>
>>Hello group,
>>
>>I am trying to inline a function with gcc-3.4.4 on a linux x86_64
>>platform.
>>
>>The function I am trying to inline is in a header file:
>>
>>foo.h:
>>
>>inline int *your_func(int *a) { if (!a) return (NULL); return
>>(*a++);}
>>
>>Any file that I compile that includes this header and code
>compiles
>>without error:
>>
>>gcc -m64 -c -Wall -Winline -fPIC -O3 -o bar.o bar.c
>>
>>But when I try to link, I get a mess...
>>
>>/usr/bin/gcc -shared -Wl,--whole-archive -Wall -Winline -fPIC -o
>>libfiles.so file.o libfoo.a -Wl,--no-whole-archive
>>
>>libfoo.a(file.o)(.text+0x0): In function `my_func':
>>: multiple definition of `your_func'
>>libfoo.a(bar.o)(.text+0x0): first defined here
>>
>>What could I be missing that will inline this function for me?
>>
>>Thanks,
>>
>>SH
>>-----BEGIN PGP SIGNATURE-----
>>Note: This signature can be verified at
>https://www.hushtools.com/verify
>>Version: Hush 2.4
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>>wkYEARECAAYFAkPs/8EACgkQRBFe1uc9INoi7gCaAkhb9S5rcYWmyEwmvK34mILqH1
>UA
>>oJmf9uXEUpXxMYmIYoil2WrYz246
>>=wiWt
>>-----END PGP SIGNATURE-----
>>
>>
>>
>>
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