Questions tagged [gcc]
Questions regarding GNU Compiler Collection Suite.
0
votes
0answers
29 views
Gcc compiles stuff as a shared library instead of an executable [on hold]
I am trying to compile this program in gcc, I type into my terminal gcc main.cpp -o corrupt -std=c++11 it compiles, I go to the file and it is a shared library instead of an executable.
0
votes
1answer
43 views
How to grep using gcc to find definitions in standard librarys [on hold]
I have found in my project a type definition, which is definitely from a standard library. Lets say the definition is called
uint64_t
I know
#include <stdint.h>
#include <string.h>
#...
3
votes
1answer
55 views
How are GCC versions chosen for compiling the linux kernel?
I know that the linux kernel specifies minimal compilation requirements, but I haven't found any source of information regarding how distros/vendors choose which version of GCC to use when compiling ...
3
votes
1answer
36 views
How to build the GCC HTML documentation from source into a single page?
I had asked a similar thing for GDB at: How to build the GDB documentation from source? , and it changed my life, now I want the same for GCC!
I managed to build the docs on Ubuntu 16.04 and gcc 6.4....
0
votes
0answers
32 views
Linux programming: Compile code with dependencies [migrated]
I am new to linux programming and learning it from The Linux Programming Interface by Michael Kerrisk.
I have to compile my first program that has dependencies.
Directory structure:
--linux-...
0
votes
1answer
46 views
Solaris 11.3 - Unable to install system/header
I'm (unsuccessfully) trying to get GCC installed on Solaris 11.3 but am running into a lot of issues.
My current issue is that I'm unable to install the package "pkg://solaris/system/header".
...
0
votes
2answers
66 views
In centos,how to switch to default gcc after switched to a higher version of gcc with devtoolset
I want to install several gcc with different versions in centos. The default version of gcc in centos 6 is 4.9.3. So I use devtoolset install a higher version of gcc. Then I switch to the higher ...
0
votes
1answer
46 views
“-sh: Cannot execute binary file” because of source compiled on “x86_64” and executed on “i686” platform
I need to run some USB NCM related test cases for which i have written some test code in .c file. I have compiled the .c file from Ubuntu Host by using GCC compiler and trying to run from Device's ...
-1
votes
0answers
106 views
Linker gcc error “ld: cannot find -lc”
I'm using the following command to compile a file in x86_64 architecture and Debian Jessie:
gcc -shared -O3 -m64 -fPIC -o obj/optimize/5.0/libahdlcmi_mixer.so ./obj/optimize/5.0/mixer.o -Wl,-rpath,/...
-1
votes
0answers
58 views
Linux : Executable not PIE instead of using --fPIE
I am using Linux 2.6.32. I am trying to generate a PIE/ASLR executable, using gcc. I can confirm that I am using -fPIE and -FPIC flags during compilation. But my executable ends up to be a ELF 64-bit ...
0
votes
2answers
235 views
How to link to a shared library with a relative path?
In the man page for ld.so(8), it says that
When resolving library dependencies, the dynamic linker first inspects each dependency string to see if it contains a slash (this can occur if a library ...
-1
votes
1answer
54 views
Makefile fails when trying to run a C program [closed]
I have a bunch of tasks in making a Makefile file, I have these files:
https://raw.githubusercontent.com/systems-cs-pub-ro/uso/master/tema1/boo.c
https://github.com/systems-cs-pub-ro/uso/raw/master/...
1
vote
0answers
708 views
Centos 7 gcc 8 installation
GCC 8 is out for a white and I would like to test on CentOS 7, but no devtoolset-8 yet in yum.
I found https://cbs.centos.org/koji/packageinfo?packageID=7198 but this is cbs; Can I have it as a ...
1
vote
1answer
258 views
What is the difference between “LSB executable” (ET_EXEC) and “LSB shared object” (ET_DYN)?
With two files, one compiled and linked with gcc and the other manually with nasm and ld I get
ELF 32-bit LSB shared object ...
ELF 32-bit LSB executable ...
What's the difference between these two ...
0
votes
1answer
35 views
Does GCC generate Bit Tests (x86 BT)?
Seaching through the GCC source, I see things like
X86_TUNE_USE_BT
TARGET_USE_BT
My goal is to get an answer for myself whether or not GCC generates BT, BTS, BTR, and BTC. I started with BT and I ...
2
votes
1answer
80 views
install different version of GCC side by side
My primary problem is in my Fedora 28, GCC8 is installed. Now, this gives libgfortran.so.5.
But many of my applications are not updated and still depends on libgfortran.so.3
So, how can I solve the ...
2
votes
1answer
683 views
Installing VMWare Tools
I am trying to install VMWareTools 9.6.5-270 on my freshly downloaded Linux Mint 19 from OSBoxes. I am running it inside VMWare Workstation 10.0.7 build-2844087
Like many online, I cannot get past ...
0
votes
0answers
14 views
installing ebtables into modified linux 4.2.8
I have a version of Linux on a QNAP that is missing GCC, make, and a lot of essential packages to build source code - it does have ping, iptables, etc but I really need ebtables command for my work to ...
0
votes
0answers
39 views
Missing cc1 executable on Amazon Linux
I've been trying to build Tensorflow on Amazon Linux (2016.09). I'm struggling with not being able to get cc1 to install with GCC. Here's what I've tried:
Installing gcc
Installing gcc-c++
Installing ...
0
votes
1answer
64 views
What version of gcc should I use to compile the latest stable Linux kernel?
Do I need the latest gcc? Can I use the gcc binaries included with my distro? Does it matter?
1
vote
0answers
28 views
Compiled execuatable is seen as shared library [closed]
I worked on a Qt app. i went to a build directory, i was an .out or .elf executable that will run once i click it, but am seeing this shared library of a thing, that only runs when called from a ...
2
votes
2answers
226 views
Are there any successful forks or refactors of the Linux Kernel?
A google search reveals this slashdot story yielding this github repository that hasn't had a commit since 2016. There are 22,602 forks listed on github.com but these are going to be mostly (if not ...
1
vote
1answer
240 views
devtoolset-4 was removed from centos-release-scl?
I need to install gcc 4.9 on CentOS 6. And I usually do the following:
yum install -y centos-release-scl
yum install -y devtoolset-3-gcc-c++ make cmake re2c libuuid-devel libxml2-devel zlib-devel
...
0
votes
0answers
35 views
can linux be built with a coff compiler?
Is it possible to make a bootable linux kernel from a gcc build that outputs COFF files instead of ELF?
Does it even matter to the kernel?
0
votes
0answers
133 views
/usr/bin/ld: cannot find -lQt5::Core (and others)
I try to compile Simon Voice Recognition Software version 0.4.90 from source on Arch Linux with KDE Plasma.
Source was obtained using git clone git://anongit.kde.org/simon simonsource
When I execute ....
0
votes
0answers
27 views
Looking up docs for C header files? [duplicate]
On Ubuntu if I type man 2 time I get,
NAME
time - get time in seconds
SYNOPSIS
#include <time.h>
time_t time(time_t *tloc);
...
I get that this works because time is the ...
1
vote
0answers
121 views
How do I install newer or older versions of GCC on Devuan/Debian?
Some distributions come with package sets for different versions of GCC, which you can easily install in parallel; others do not. Specifically, in Devuan ASCII / Debian Stretch, there only seem to be ...
3
votes
2answers
673 views
What sets fs:[0x28] (stack canary)?
From this post it is shown that FS:[0x28] is a stack-canary. I'm generating that same code using GCC on this function,
void foo () {
char a[500] = {};
printf("%s", a);
}
Specifically, I'm ...
2
votes
1answer
3k views
How to install a functional ARM cross-gcc toolchain on Ubuntu 18.04?
Context
I recently installed Ubuntu 18.04, Linux foobar-VirtualBox 4.15.0-23-generic #25-Ubuntu SMP Wed May 23 18:02:16 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux on a VM. I want to cross-compile ...
0
votes
0answers
32 views
How does Ftrace resolve symbols when KASLR is enabled?
Ftrace seems to be able to resolve symbols from address even with kaslr enabled. How does it resolve it? Does it use physical address or virtual address?
Can you give the direct referencce to the ...
-1
votes
1answer
394 views
What does the -O2 option for gcc do? [closed]
What does the -O2 option for gcc do?
eg. gcc -O2 file1.c -o file1.o
1
vote
1answer
285 views
Difference between the linker flags
I'm adding c++ runtime and exception support to the Linux kernel. For that, I need to provide my own lib/gcc and lib/libstdc++instead of the standard libraries provided by the compiler.
So, I am ...
0
votes
2answers
381 views
Where is stddef.h defined in Linux?
If I want to find the values of stddef.h, where is it defined? The /usr/include/linux/stddef.h almost has nothing,
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef ...
-2
votes
1answer
132 views
error: types may not be defined in ‘sizeof’ expressions
I'm trying to compile linux kernel verison 4.14.41 and got the following error:
./arch/x86/include/asm/acpi.h: In function ‘void arch_acpi_set_pdc_bits(u32*)’:
./include/linux/build_bug.h:30:45: ...
3
votes
1answer
267 views
How to install php7 on solaris 10 with OpenSSL 1.0.1
I am trying to install php7 on Solaris 10.
OpenSSL 1.0.1 was installed from https://www.opencsw.org/packages/libssl1_0_0/
To check for the installed ssl I did
pkginfo -i | grep -i "ssl"
and I ...
0
votes
2answers
494 views
How to build a gcc-4.9.0 successfully on solaris 10 sparc
I am trying to build a gcc-4.9.0 on solaris 10 sparc.
gmp was successfully built and install at
/application/gmp-6.0.0a
mpfr was also successfully built and install at
/application/mpfr-3.1.2
...
5
votes
2answers
638 views
How to correctly extract a .tar.gz with md5.sum on solaris 10
I am trying to extract a gcc-4.9.0.tar.gz downloaded from one of the gcc mirror site.
In order to check the md5 signature on it before I gunzip it I did
digest -a md5 -v gcc-4.9.0.tar.gz
which ...
1
vote
1answer
124 views
Error during static build of libvorbis and libmp3lame
I'm having trouble trying to build a static binary of ffmpeg - I've got almost the whole build working, with the exception of two libs - libvorbis and libmp3lame.
These two libs are failing during ./...
0
votes
0answers
148 views
Segmentation fault: 11 encounter while installing a program
I was installing an API package on a Mac OSX and running the command
./configure --enable-matlab
There is an error message shows up
checking for prefix by checking for gmt... /Applications/GMT-5.4....
-1
votes
1answer
450 views
Why configure/build gcc takes much more time than apt-get install gcc [closed]
Wander to make some modification on libgomp (gcc's OpenMP runtime library), I downloaded the source code of GCC8, and tried to configure/make the whole compiler.
The configuration phase terminated ...
1
vote
1answer
50 views
Running gcc from prefix folder
I have a user account on RHEL 6.7. The built-in gcc does not support c++11, so I am trying to install my a more recent gcc. I have run configure with --prefix=$HOME/dependencies/gcc , make, make ...
2
votes
1answer
78 views
Where is “gcc_tooldir”
Under Cross-Compiler-Specific Options, it says:
The default value, in case --with-sysroot is not given an argument, is
${gcc_tooldir}/sys-root.
but it appears that gcc_tooldir is not defined. Is ...
0
votes
0answers
347 views
How to rebuild/reinstall python with a different compiler?
Python-2.7 is compiled using GCC-5.4 as one can see below:
$ python
Python 2.7.12 (default, Dec 4 2017, 14:50:18)
[GCC 5.4.0 20160609] on linux2
Type "help", "copyright", "credits" or "license" for ...
0
votes
0answers
47 views
Cannot install GCC ld error not using custom prefix when loading lto-wrapper
I am trying to install GCC 4.9.4 in a non-standard location on Red Hat Linux using the documentation provided.
https://gcc.gnu.org/install/
I do not have sudo, but I have write access to the folder /...
1
vote
1answer
22 views
djvulibre-3.5.27 Build Error
I am currently on Linux Mint 18.3. I downloaded the package from the Djvulibre website.
Here is my error:
make[2]: Entering directory '/home/amucs/Downloads/djvulibre-3.5.27/desktopfiles'
PNG ...
0
votes
0answers
212 views
error when compiling GCC 7.3.0
libiberty.h: error: ambiguating new declaration of 'char* basename(const char*)' extern char *basename (const char *)
I've been following all instructions from http://linuxfromscratch.org/lfs/view/...
0
votes
2answers
1k views
Compile old kernel with new gcc
I'm trying to compile an older version of Linux (3.4) on my Linux box with its current gcc-6.3. But running the make command shows errors like this:
scripts/kconfig/conf.o: relocation R_X86_64_32 ...
0
votes
0answers
25 views
Exonerate Error while making
I'm using ProductName:
Mac OS X ProductVersion: 10.12.6 BuildVersion: 16G1212
trying to working with exonerate Tool but facing many troubles
configuration just went smooth
tamimis-Mac-Pro:exonerate ...
1
vote
1answer
839 views
Use libgfrotran.so.3 and GFORTRAN_1.0 on fedora 27
I am trying to use fortran code called SAMMY-8 which has its binary ready for use.
I was using without any issue while I had f25 installed. When upgrading to f27 I got the following error when trying ...
1
vote
2answers
1k views
“configure: error: cannot run C compiled programs” when compiling gcc on Alpine Linux
I am trying to build gcc-7.3 on Alpine Linux. When I run make, I get these errors,
checking whether the C compiler works... configure: error: in `/build/x86_64-pc-linux-gnu/libgomp':
configure: error:...
