General :: Graphics Library And Building A Simple GUI?

Aug 10, 2010

how (or what to use) to build a simple GUI on an embedded Linux system? I am using the Linux distribution Angstrom with a gcc compiler, and need to draw graphics on the screen. Preferably NOT in X11, but in a console only image. Are there simple graphics commands in C that will draw circles, boxes, and lines?

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General :: "no Termcap Library Found" When Building Gdb?

May 10, 2011

I am trying to build gdb on Fedora 14. I get an error: "no termcap library found" I have not been able to find a good answer by Googling. There is some recommendation to make sure libncurses is installed, which I think it is.

locate *" returns:

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Ubuntu :: Building Simple Locally Hosted Website?

May 9, 2011

My daughter wants to build a little website that looks a bit like a magazine for her family and select friends. Front page has links to stories or articles she'll write. She would also like to post some pictures for people to see and maybe have people add comments if they like. I'd like to host it locally on our home server and limit access with an id and password. I would use something like to point family and friends to our server where they could login. I have an Ubuntu Lamp server setup to install what we need.

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Applications :: Building A Simple Program With Putty Commands?

Jun 9, 2010

I'm interfacing with a device using putty and right now I have to use a reference document to dissect the data I'm sending and receiving. I'd like to build a program that can build packets according to user input and then dissect them upon receipt; basically an [ english <=> proprietary packet structure ] program that talks to the device via USB. The packets come in varying sizes, but are composed of well-defined fields and values.

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Software :: Building Tumble-0.33 Pdf Creator With Netpbm Instead Of Original Pbm Library?

Jan 2, 2011

I would like to scan some documents and create a *.pdf file from the resulting *.tif output image files. I believe I used Eric Smith's Tumble-0.33 for this a few years ago, but can't remember how I built it. The Makefile assumes the pbm library. I believe the current version (at least with my Slackware linux 2.6) is netpbm, ie usrlib etpbm, and I'm having trouble figuring out how to modify the Makefile to use this library. The author does some stuff there that is beyond my scope. Anyone done the recently who can point me in the right direction?

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Programming :: Recommend A Simple Png-supporting Image Library?

May 14, 2011

I want to build a simple OCR program and I was wondering what library to use. The images are saved on my hdd as colour .png files, i won't be using any effects on them but I will be working with pixels a lot, so direct access to them would really be great.So I was curious if there's a lib that provides direct access to individual pixels and pretty much nothing else (libpng, devIL or QImage from qt are all good but each has it's downfalls).

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Slackware :: Failure Building Multiple Apps Due To Missing Library Jscore?

Jan 26, 2011

I'm having a problem building some applications (e.g. Qsynth and FreeCAD) with sbopkg relating to an unfound library named "jscore". I've been keeping my system up to date with slackware64-current.Google searches have turned up very little about this library. There is a sourceforge page that has no files and seems to be related to a google hosted script jsCore.js... but I don't think that's what's missing here. I've come across some vague references to this jscore library being part of webkit. Can anyone verify this? I updated my webkit library itself and found no apparent results. Perhaps jscore was removed in an update to Qt (both of the example applications mentioned above link to Qt) as it seems to have it's own webkit library, libQtWebKit.

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Hardware :: Building A PC: Especially On Onboard Graphics Compatibility?

Feb 7, 2010

I'm planning on building a computer, to replace the ten-year-old workhorse I have at the moment. But I'm not all that knowledgeable about current hardware. The objectives are cheap and quiet. And of course everything needs to be Linux compatible.I have a few existing devices that I will want to use, and thus need support for. An IDE hard drive, IDE DVD Writer, PCI Wireless Adaptor, and PCI tv tuner card. The drives are the really important things, the PCI devices less so.

I'm in England, and I'm hoping to bring it in to a budget of �200-250.Usage is going to be web browsing including streaming media, watching video (though probably not HD),office work, maybe some light gaming, but probably the most demanding thing is GIS (Geographic Information Systems). I might want to try running stuff in virtual machines too.

For a processor, I'm thinking of an AMD Athlon II X3 435. Based on a magazine review, this seems to give the ideal price/performance ratio - anything more powerful means a bit of a jump in cost. Alternatively, I could go for a lower end processor and spend the money somewhere else instead. (More RAM is the obvious choice; would the ultra-cheap Sempron 140 and 4GB perhaps be better than the Athlon with 2GB?)

I want a motherboard with onboard graphics, and here's the first question: What's the Linux compatibility of onboard graphics like?. Most motherboards for AMD processors have ATI graphics, but there are some with nVidia chips. Which is better for Linux compatibility?

The second question: Is there much benefit buying any memory other than what's cheapest? I know there will be some performance differences, but are they worth worrying about in a budget machine? Also DDR2 is cheaper than DD3 now, but I expect in future that will reverse, so am I better off getting a motherboard that uses DDR3?

I've read that power supply quality is pretty important; an unreliable PSU can cause issues. And I'll also want to pay a bit extra to get something quiet, though I don't need fanless. Considering my choice of processor (TDP 95W) and other hardware (HDD, optical drive...that's about it), What power rating do you think I'll need?.

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Debian Hardware :: Slow Graphics - Screen Building Up In Blocks

Nov 6, 2010

I've got a matrox m9120 installed at 1280x1024 60hz but its really slow. You see the screen building up in blocks. And that's just in the standard screen. I don't run special software. Any tricks how to improve?

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Ubuntu :: Apt-get Command To Down Load Some Library Files Regarding Graphics?

Jul 17, 2010

I 've been trying apt-get command to down load some library files regarding graphics It is not working properly

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Ubuntu Multimedia :: Upgrading Graphics To GeForce 8400 - Simple Upgrade Or Not?

May 24, 2010

Sick and tired of sluggish performance using the onboard X1200 graphics so I just ordered a cheap GeForce 8400 with 256MB DDR2 memory. If I simply disable the on board graphics then plug the GeForce card in, will I have to re-install Ubuntu or will the system be clever enough to detect and configure the card for me?

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Ubuntu Installation :: Warning: Missing REQUIRED Dependency: Libtool (libtool - Library Building Support Services)

Sep 17, 2010

I am working with Ubuntu 10.04 I can't print documents on HP Laserjet 1020 While printing, the jobs shows up in the print queue and disappears without any error, but no printout I tried to install HPLIP 3.10.6 from [URL]I followed the instructions but it ends with the error


warning: There are 5 missing REQUIRED dependencies.
note: Installation of dependencies requires an active internet connection.


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Software :: Vuze Is Not Working Properly / Unable To Load Graphics Library

Dec 12, 2008

I'm using RedHat 9. I've already installed java and azureus/vuze too but when i run azureus there is a problem.

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General :: Make PCI-E Graphics Card Visible To Ubuntu When The Motherboard Has Integrated Graphics?

May 2, 2010

I have a Gigabyte GA-MA74GM-S2 motherboard with integrated graphics that shows up on lspci as an ATI Radeon 2100. I also bought a PCI-Express Nvidia graphics card so I could use the VDPAU feature on Linux (plays H.264 in hardware). The BIOS has three settings about which display to initialize first:

Integrated graphics
PCI graphics
PCI-Express graphics (PEG)

I set the BIOS on PEG, but

I cannot get anything, not even a splash screen or POST messages, to emerge from the PCI-Express graphics card. (I'm using a DVI connector; the card also has an HDMI output.)I cannot get the kernel lspci to see the graphics card; the only VGA controller it acknowledges is the integrated one.Running dmidecode acknowledges the existence of an x16 PCI Express slot, and it says

Current usage: Unknown

There is an additional BIOS setting called "Internal Graphics Mode" which is normally set to "Auto" which means it is supposed to prefer a PCI Express VGA card. I set it to "Disabled" which now means I'm getting no output at all. I will soon be learning how to do a BIOS reset!

Other information: The PCI-E card is a MSI N210-MD512H GeForce 210. This is a fanless card. Although there are no fans to see turning, the heat sink on the PCI-E card is definitely getting hot, so the card is getting some sort of power.It gets all its power from the PCI-E slot; there is no external power connector.The BIOS is an AMI Award can I make the PCI Express graphics card visible to Ubuntu?

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Programming :: How To Compile / Simple Tutorial For Making Simple Program

Oct 7, 2010

i'm a college student studying pc programing, and i was given today a special work and i have to program using miranda... which i've never used it >.< can anyone give me a hand to where to download, how to compile, and a simple tutorial for making a simple program or something?

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Software :: ./configure Problem For Libsf Library Due To Apparently Missing Libdb Library ?

Aug 4, 2011

./configure script fails to configure libsf. Please check the following last few lines of configure script error.

But find command shows the following;

It seems the file libdb does exist. man dbopen displays man page for dbopen. I also tried to ln -s /usr/lib/libdb.a and /lib dir but all were in vain.

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General :: Link Shared Library Against Other Shared Library?

May 27, 2010

I think that the solution is very simple, but I cannot reach this solution. I'm trying to build an that uses is compiled using C; is compiled using C++;

Inside "Aso.h" file I'had declared:


#ifdef __cplusplus
extern "C" {


There's no error to compile that, this library seems to be compiled correctly, but using the "nm" command the functions appear with "U" of undefined. Trying to build an executable using the library, I got this error: /lib/../lib/ undefined reference to `foo(int, int, int)' I think that to solve this problem it's only link the with the .o files generated at the compilation phase of my Bso. Using the "ldd" command I'm able to see that depends on, so what am I missing?

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Programming :: SDL Static Library - Shared Library ?

Apr 7, 2009

I'm reading about shared, static, and dynamic libraries. What is SDL? Is it static, shared, or dynamic?

I always thought a library would be a lot of .h and .cpp files compiled separately into .o files and then if you compiled your own program you could use the -l parameter to link the library and it was all compiled together. Now I'm not so sure.

I don't even see any SDL .cpp files in my system anywhere. All I have are lots of SDL .h files in /usr/include/SDL and I don't really understand the code in them.

I'm making a wild guess here: SDL is a shared library. SDL itself is NOT compiled into my program, therefore SDL must be on any system my program tries to run on. When I compile and link SDL all it needs is the header files to know what SDL function and objects it can use. And then on every system it uses an already compiled SDL shared library thingy somewhere.

So... where is that part of SDL? All I can find are header files.

I'm thinking the advantage of shared libraries is that someone could say update SDL on their own system and take advantage of the new features without having to download new executables with the new version of SDL compiled into them for every program that uses SDL.

So if I'm making an editor and a game engine and they both use a lot of the same .cpp and .h files that I wrote and I'm tired of updating one and then the other and I need to turn them into a library, then a shared library might be kind of a silly solution. I could just make a static library. Right? Because it's not SDL. Nobody else is ever going to use this library.

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General :: Getting Out Of Space While Building Kernel

Jul 10, 2011

I am trying to build linux kernel I am getting out of space after a while. I unpacked it in /usr/src directory. It seems I have plenty of space. How much space does it need to compile & build kernel. I am using VirtualBox.

root@vinay-VirtualBox:/usr/src/linux- df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda1 6.9G 3.2G 3.4G 49% /
none 669M 640K 668M 1% /dev
none 675M 24K 675M 1% /dev/shm
none 675M 96K 675M 1% /var/run
none 675M 0 675M 0% /var/lock
/dev/sr0 39M 39M 0 100% /media/VBOXADDITIONS_4.0.10_72479

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General :: Amarok Not Building Collection

Jul 19, 2010

I was using amarok fine with 10.04, upgraded to 10.10 alpha, still worked fine. Decided alpha had a few bugs I didn't like so I completely removed it, installed 10.04 from scratch again (I have two partitions, / and /home, only formatted /). Now I can't get amarok to build for me at all. It plays mp3's no problem but when I try to build my collection it pretends to (takes a few minutes but goes relatively fast compared to what it should take to build) then shows 0 songs. I've already tried deleting amarok inside of /home/user/.kde/share/apps/amarok

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General :: Directory Structure For Building RPM

Mar 20, 2011

My clearly outdated Linux course I'M using is telling me that the directory structure for building RPMs is in /usr/src/redhat, but on my redhat system, there is only /usr/src/ > debug & > kernels, folders.

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General :: Error Building Kernel 2.6.36

Nov 2, 2010

I tried to build linux-2.6.36 but I got this error message


I looked into but the problem is located somewhere else I thought at first one of the files might have been corrupted and I downloaded the archive again.

I must also say that this happened in different versions of slackware (the distro I use): 12.0, 12.1, 12.2, 13.0, 13.1

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General :: Building System To Run Emulators?

Nov 2, 2009

Looking at building a system that basically just runs emulators (nes, snes, etc). Haven't messed around with linux for a couple years so I thought this might be a great project to get back into it with. Maybe.

Questions I have-
- How easy is it to have a linux installation that just boots directly into the emulator? Since it will be hooked up to a tv, I just want it to be as easy as turning on the power button and then I'm off.
- Is there a stripped down linux distro that would be best suited for this type of setup? Really any recommendations for a distro would be great.
- Its running on old hardware- 900mhz athlon, 512mb ram, geforce2 video. Will this be a problem if I'm trying to run something like i've described?

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General :: Building Familiarization With Commands?

May 25, 2011

I can do basics, You know checking my hardware, cd to a dir, bring up -man of commands, stuff like that.

What I am wondering is what is the best way for one to get familiar with using the terminal as the main source of operation? I pretty much want to jump in the deep-end (well maybe the middle 7 feet or so), but with my knowledge of commands can pretty much just sit here and type $ls, $lspci,$uname ... and that gets dull. I want to utilize the terminal and have something to show for it, but do not know where to begin. I got linux so I could interact with the system, and though I am doing more of that then with MS I feel I am not doing enough.

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General :: Building Usbip On CentOS

Apr 24, 2010

I have been try for a while now to build this and I am not getting very far. I have download the usbip-0.1.7.tar.gz from I then followed [URL] to get a full kernel source. then went to usbip-0.1.7/drivers/2.6.18 and issued the command

make KSOURCE=~/rpmbuild/BUILD/kernel-2.6.18/linux-2.6.18.i686
but it failed with:
/home/scott/usbip-0.1.7/drivers/2.6.18/stub_rx.c:377: error: redefinition of 'usb_endpoint_xfer_bulk'


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General :: Building Using Tool Chains?

Jun 25, 2010

i heard many times the words tool chain , cross platform compiling , cross platform building etc ...

i can use the tool chain for All Linux OS ...?

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General :: Error While Building A Package

Nov 9, 2009

while building a package i got this error. Package name is python-gnomecanvas and i am working in debian.

I am not able to get it correct.

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Programming :: Convert A Dynamic Library ( To A Static Library (filename.a)?

Nov 18, 2009

How can we convert a dynamic library ( to a static library (filename.a) using gnu gcc . Can we get a static library form a dynamic library . I saw a few post in which the conversion form a static library to a dynamic library is mentioned but, unfortunately, not the other way.

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General :: How To Profile Building Process (Make All)

Jan 28, 2011

I'm building the code on remote linux machines, and it takes very long time. Since all the filesystem is on NFS, I suspect the NFS is the bottleneck. Can I profile the build process (make all) down to system read/write calls? Or simply put, what tool do I need to find the bottleneck. Is strace gonna help?

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General :: Eclipse's Hang On 66% While Building Workspace?

Apr 12, 2011

I am using Linux Mint Debian

Eclipse 3.5.2

Anytime I save it gets stuck on 66%

How to diagnose or fix the issue.

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