it is uppercap L for specifying the directory and lowercap l for the
library itself
i.e. -L/usr/include/iup -liup
2016-02-22 18:06 GMT-03:00 Antonio Scuri <[email protected]>:
> The libraries order for the linker are very important. So your command
> line should be:
>
> gcc main.c -I/usr/include/iup -liup
>
> I think the -l path order is irrelevant, but to locate the functions
> used in main.c it will look for them in the -liup library that must be
> specified after the main module.
>
> Best,
> Scuri
>
>
> On Sun, Feb 21, 2016 at 3:38 AM, Xiang Liu <[email protected]> wrote:
>
>> sorry for the previous dirty message sent by outlook.com
>> I have no idea what to do next.
>>
>> #include <stdlib.h>
>> #include <iup.h>
>>
>> int main(int argc, char **argv)
>> {
>> IupOpen(&argc, &argv);
>>
>> IupMessage("Hello World 1", "Hello world from IUP.");
>>
>> IupClose();
>> return EXIT_SUCCESS;
>> }
>>
>>
>> $ gcc -I/usr/include/iup -liup main.c
>> /tmp/ccjjoTBI.o: In function `main':
>> main.c:(.text+0x17): undefined reference to `IupOpen'
>> main.c:(.text+0x2b): undefined reference to `IupMessage'
>> main.c:(.text+0x30): undefined reference to `IupClose'
>> collect2: ld returned 1 exit status
>>
>>
>>
>> $ nm /usr/lib/libiup.a |grep -C5 IupOpen
>> 00000050 t load_image_arrowup
>> 00000750 t load_image_arrowup_highlight
>>
>> iup_open.o:
>> 000001f0 T IupClose
>> 00000010 T IupOpen
>> U IupSetGlobal
>> U IupSetLanguage
>> U IupStoreGlobal
>> U IupVersion
>> U __printf_chk
>>
>> Regards,
>> xiang
>>
>>
>>
>>
>>
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>
>
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