How compile program with curl support?
I try to compile program with curl support, but I have error:
import std.net.curl;
void main()
{
}
rdmd main.d
/usr/lib/x86_64-linux-gnu/libphobos2.a(curl.o): In function
`_D3std3net4curl4Curl19_sharedStaticCtor34FZv':
std/net/curl.d:(.text._D3std3net4curl4Curl19_sharedStaticCtor34FZv+0xf):
undefined reference to `curl_global_init'
/usr/lib/x86_64-linux-gnu/libphobos2.a(curl.o): In function
`_D3std3net4curl4Curl19_sharedStaticDtor35FZv':
std/net/curl.d:(.text._D3std3net4curl4Curl19_sharedStaticDtor35FZv+0x5):
undefined reference to `curl_global_cleanup'
I try to import libcurl.a library, the same problem:
rdmd -L/usr/lib/x86_64-linux-gnu/libcurl.a main.d
/usr/lib/x86_64-linux-gnu/libphobos2.a(curl.o): In function
`_D3std3net4curl4Curl19_sharedStaticCtor34FZv':
std/net/curl.d:(.text._D3std3net4curl4Curl19_sharedStaticCtor34FZv+0xf):
undefined reference to `curl_global_init'
/usr/lib/x86_64-linux-gnu/libphobos2.a(curl.o): In function
`_D3std3net4curl4Curl19_sharedStaticDtor35FZv':
std/net/curl.d:(.text._D3std3net4curl4Curl19_sharedStaticDtor35FZv+0x5):
undefined reference to `curl_global_cleanup'
What should I do to get curl support?
OS is Linux Ubuntu 12.10.
Re: How compile program with curl support?
On Thursday, 22 August 2013 at 07:28:52 UTC, ilya-stromberg wrote: I try to compile program with curl support, but I have error: ... i rarely use rdmd, so i can only advice to try using dmd directly with following flags and see if it works, and if works its a rdmd flags problem in your case: dmd main.d -L-L/path/to/libcurl -L-llibcurlname.a (note that first -L is dmd flag to pass linker options)
Re: How compile program with curl support?
On Thursday, 22 August 2013 at 07:28:52 UTC, ilya-stromberg wrote: undefined reference to `curl_global_init' undefined reference to `curl_global_cleanup' What should I do to get curl support? OS is Linux Ubuntu 12.10. I recently had the same problem on Windows (thread: http://forum.dlang.org/thread/wdmqzyqoowrhqfpwd...@forum.dlang.org). It boiled down to the following: the lib file contained functions named like "curl_global_init" but the linker searched for "_curl_global_init" (starting with underscore). I don't have OSX available, but the OSX file libcurl.a I downloaded contains underscored names and your linker searches for non-underscored ones, so that may be an inverse problem. Unless some OS-specific linking magic is supposed to take care of that in your case. On Windows, I changed the way to produce libcurl D bindings from implib.exe curl.lib libcurl.dll to implib.exe /system curl.lib libcurl.dll and then I link in order to introduce the underscores. Clearly I'm not an expert, but this may mean you could find a way to [re]produce the bindings library on your side as well. Ivan Kazmenko.
Re: How compile program with curl support?
On Thursday, 22 August 2013 at 10:00:20 UTC, Ivan Kazmenko wrote: and then I link Sorry, that should have been: and then I link just like dmd myprog.d having both curl.lib (D bindings to C++ binary, built locally) and libcurl.dll (downloaded C++ libcurl binary) findable by the linker (in the same directory in my case).
Re: How compile program with curl support?
> What should I do to get curl support? > OS is Linux Ubuntu 12.10. Install libcurl-dev http://packages.ubuntu.com/de/lucid/libcurl-dev Add "-L-lcurl" to your commandline
Re: How compile program with curl support?
On Thursday, 22 August 2013 at 10:00:20 UTC, Ivan Kazmenko wrote: On Thursday, 22 August 2013 at 07:28:52 UTC, ilya-stromberg wrote: undefined reference to `curl_global_init' undefined reference to `curl_global_cleanup' What should I do to get curl support? OS is Linux Ubuntu 12.10. I recently had the same problem on Windows (thread: http://forum.dlang.org/thread/wdmqzyqoowrhqfpwd...@forum.dlang.org). It boiled down to the following: the lib file contained functions named like "curl_global_init" but the linker searched for "_curl_global_init" underscores is a part of Windows name mangling, this means on Windows one can find both C and its own scheme variant(pascal scheme?), i don't remember all details(though you can easily find it on the internet), but this is explains ur case.
Re: How compile program with curl support?
On Thursday, 22 August 2013 at 10:24:49 UTC, David wrote: What should I do to get curl support? OS is Linux Ubuntu 12.10. Install libcurl-dev http://packages.ubuntu.com/de/lucid/libcurl-dev Add "-L-lcurl" to your commandline Thanks for help. Correct answer was here: http://forum.dlang.org/post/mailman.1089.1350735488.5162.digitalmar...@puremagic.com $ dmd -L-lphobos2 -L-lcurl main.d As I can see by google, this is common issue. How can we document the compilation proses?
Re: How compile program with curl support?
On Thursday, 22 August 2013 at 13:15:39 UTC, ilya-stromberg wrote: On Thursday, 22 August 2013 at 10:24:49 UTC, David wrote: What should I do to get curl support? OS is Linux Ubuntu 12.10. Install libcurl-dev http://packages.ubuntu.com/de/lucid/libcurl-dev Add "-L-lcurl" to your commandline Thanks for help. Correct answer was here: http://forum.dlang.org/post/mailman.1089.1350735488.5162.digitalmar...@puremagic.com $ dmd -L-lphobos2 -L-lcurl main.d As I can see by google, this is common issue. How can we document the compilation proses? why do u link phobos when compiler do this for you? btw in fact i've seen somewhere on site/wiki/forums instructions "how to build libcurl for D" or something.
Re: How compile program with curl support?
On Thursday, 22 August 2013 at 13:20:44 UTC, evilrat wrote: why do u link phobos when compiler do this for you? Because without it doesn't work: $ dmd -L-lcurl main.d /usr/lib/x86_64-linux-gnu/libphobos2.a(curl.o): In function `_D3std3net4curl4Curl19_sharedStaticCtor34FZv': std/net/curl.d:(.text._D3std3net4curl4Curl19_sharedStaticCtor34FZv+0xf): undefined reference to `curl_global_init' /usr/lib/x86_64-linux-gnu/libphobos2.a(curl.o): In function `_D3std3net4curl4Curl19_sharedStaticDtor35FZv': std/net/curl.d:(.text._D3std3net4curl4Curl19_sharedStaticDtor35FZv+0x5): undefined reference to `curl_global_cleanup' Have you got any ideas why?!
Re: How compile program with curl support?
On Thursday, 22 August 2013 at 13:27:32 UTC, ilya-stromberg wrote: On Thursday, 22 August 2013 at 13:20:44 UTC, evilrat wrote: why do u link phobos when compiler do this for you? Because without it doesn't work: $ dmd -L-lcurl main.d /usr/lib/x86_64-linux-gnu/libphobos2.a(curl.o): In function `_D3std3net4curl4Curl19_sharedStaticCtor34FZv': std/net/curl.d:(.text._D3std3net4curl4Curl19_sharedStaticCtor34FZv+0xf): undefined reference to `curl_global_init' /usr/lib/x86_64-linux-gnu/libphobos2.a(curl.o): In function `_D3std3net4curl4Curl19_sharedStaticDtor35FZv': std/net/curl.d:(.text._D3std3net4curl4Curl19_sharedStaticDtor35FZv+0x5): undefined reference to `curl_global_cleanup' Have you got any ideas why?! none really, especially on linux :(
Re: How compile program with curl support?
Am 22.08.2013 15:27, schrieb ilya-stromberg:
> On Thursday, 22 August 2013 at 13:20:44 UTC, evilrat wrote:
>> why do u link phobos when compiler do this for you?
>
> Because without it doesn't work:
>
> $ dmd -L-lcurl main.d
> /usr/lib/x86_64-linux-gnu/libphobos2.a(curl.o): In function
> `_D3std3net4curl4Curl19_sharedStaticCtor34FZv':
> std/net/curl.d:(.text._D3std3net4curl4Curl19_sharedStaticCtor34FZv+0xf):
> undefined reference to `curl_global_init'
> /usr/lib/x86_64-linux-gnu/libphobos2.a(curl.o): In function
> `_D3std3net4curl4Curl19_sharedStaticDtor35FZv':
> std/net/curl.d:(.text._D3std3net4curl4Curl19_sharedStaticDtor35FZv+0x5):
> undefined reference to `curl_global_cleanup'
>
> Have you got any ideas why?!
Can't reproduce this:
─[dav1d@archbox][/tmp]╼ cat c.d
import std.net.curl;
void main() {}
─[dav1d@archbox][/tmp]╼ dmd c.d
/usr/lib/libphobos2.a(curl.o): In function
`_D3std3net4curl4Curl19_sharedStaticCtor34FZv':
(.text._D3std3net4curl4Curl19_sharedStaticCtor34FZv+0xf): undefined
reference to `curl_global_init'
/usr/lib/libphobos2.a(curl.o): In function
`_D3std3net4curl4Curl19_sharedStaticDtor35FZv':
(.text._D3std3net4curl4Curl19_sharedStaticDtor35FZv+0x5): undefined
reference to `curl_global_cleanup'
collect2: Fehler: ld gab 1 als Ende-Status zurück
--- errorlevel 1
─[dav1d@archbox][/tmp]╼ dmd c.d -L-lcurl
─[dav1d@archbox][/tmp]╼
So I only get these errors when *not* linking against curl.
Re: How compile program with curl support?
On Thursday, 22 August 2013 at 13:20:44 UTC, evilrat wrote: why do u link phobos when compiler do this for you? For some reason the order of linked libs matters especially with curl.
Re: How compile program with curl support?
On 22/08/13 15:20, evilrat wrote: > On Thursday, 22 August 2013 at 13:15:39 UTC, ilya-stromberg wrote: >> On Thursday, 22 August 2013 at 10:24:49 UTC, David wrote: What should I do to get curl support? OS is Linux Ubuntu 12.10. >>> >>> Install libcurl-dev >>> http://packages.ubuntu.com/de/lucid/libcurl-dev >>> >>> Add "-L-lcurl" to your commandline >> >> Thanks for help. Correct answer was here: >> http://forum.dlang.org/post/mailman.1089.1350735488.5162.digitalmar...@puremagic.com >> >> $ dmd -L-lphobos2 -L-lcurl main.d >> >> As I can see by google, this is common issue. How can we document the >> compilation proses? > > why do u link phobos when compiler do this for you? On static linking, the library order cares. "libphobos2" depends on "libcurl", so "libphobos2" should be passed to the linker before than "libcurl". > > btw in fact i've seen somewhere on site/wiki/forums instructions "how to > build libcurl for D" or something. > -- Jordi Sayol
Re: How compile program with curl support?
On Thursday, 22 August 2013 at 16:28:32 UTC, David wrote:
Can't reproduce this:
─[dav1d@archbox][/tmp]╼ cat c.d
import std.net.curl;
void main() {}
─[dav1d@archbox][/tmp]╼ dmd c.d -L-lcurl
─[dav1d@archbox][/tmp]╼
So I only get these errors when *not* linking against curl.
It looks like regression. Which OS and compiler version do you
use?
I have Linux Ubuntu 12.10 and DMD 2.063.2.
Re: How compile program with curl support?
Am 24.08.2013 09:56, schrieb ilya-stromberg:
> On Thursday, 22 August 2013 at 16:28:32 UTC, David wrote:
>> Can't reproduce this:
>>
>> ─[dav1d@archbox][/tmp]╼ cat c.d
>> import std.net.curl;
>>
>> void main() {}
>> ─[dav1d@archbox][/tmp]╼ dmd c.d -L-lcurl
>> ─[dav1d@archbox][/tmp]╼
>>
>> So I only get these errors when *not* linking against curl.
>
> It looks like regression. Which OS and compiler version do you use?
> I have Linux Ubuntu 12.10 and DMD 2.063.2.
Archlinux 64 Bit 2.063.2, and no, this is not a regression, this worked
for every DMD release so far.
