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Published on 2010-05-17T20:54:19Z
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2010/06/14
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Why is mandatory to use -ffast-math with g++ to achieve vectorization of loop using doubles? I don't like ffast-math because I don't want to loose precision.
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I am compiling quite big project from source. The compilation always ends with:
error: invalid conversion from ‘const char*’ to ‘char*’ [-fpermissive]
I have already compiled this project one year ago. So I know a solution to this. Actualy I found more solutions:
Adding a typecast to appropriate…
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Just curious. Using gcc/gdb under Ubuntu 9.10.
Reading a C book that also often gives the disassembly of the object file. When reading in January, my disassembly looks a lot like the book's; now, it's quite different - possibly more optimized (I notice some re-arrangements in the assembly code now…
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I tried to install gcc 4.5 on ubuntu 10.04 but failed.
Here is a compile error that I don't know how to solve. Is there anyone successfully install the latest gcc on ubuntu?
Following is my steps and the error message, I'd like to know where is the problem....
Step1: download these files:
gcc-core-4…
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$ yum list | grep gcc
arm-gp2x-linux-gcc.i686 4.1.2-11.fc12 @fedora
arm-gp2x-linux-gcc-c++.i686 4.1.2-11.fc12 @fedora
gcc.i686 4.4.3-4.fc12 @updates
libgcc.i686 …
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I need a fun oky.
I just love this openmoko hardware and hacking into it. Please could somebody help me
to compile qemu.I 'm so sad and I want to compile qemu and it required the GCC3.x
and then I downloaded gcc 3.2 but when I configure it and build it, it gives a very
sad error message.
G_FOR_TARGET="…
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I don't have g++:
erelsgl@ubuntu:/etc/apt$ which g++
erelsgl@ubuntu:/etc/apt$
erelsgl@ubuntu:/etc/apt$ g++
The program 'g++' can be found in the following packages:
* g++
* pentium-builder
Try: sudo apt-get install <selected package>
So I try to install it:
erelsgl@ubuntu:~/srilm$ sudo…
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I have g++ 4.6, 4.7 and 4.8 installed, but not g++ itself. I am using Ubuntu 12.04. If I do:
g++ --version
it says:
The program 'g++' can be found in the following packages:
* g++
* pentium-builder
I have tried the following:
sudo apt-get update
then
sudo apt-get -f install
then
sudo…
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I am facing multiple issues with building my c++ code on Ubuntu 12.04. This code was building and running fine on RH Enterprise.
I am using g++ 4.6.3. Here's the output of g++ -v.
g++ -v
Using built-in specs.
COLLECT_GCC=g++
COLLECT_LTO_WRAPPER=/usr/lib/gcc/i686-linux-gnu/4.6/lto-wrapper
Target:…
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I'm trying to install therubyracer gem for a rails project - http://stackoverflow.com/questions/13793533/unable-to-install-therubyracer-on-centos-errors-with-v8-and-gcc and i'm thinking that now that i installed g++44, that all i need to do is get gem install libv8 to use g++44 instead of g++.
Is…
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I'm trying to compile a program which uses Google's V8 library (which is 32 bit). Therefore any library I use within my program also has to be 32 bit. Where can I download the 32 bit version of libraries on Ubuntu 64 bit? More specifically, I'm looking for the libnotify 32 bit version.
This is the…
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