Version 4.x of GCC (GNU Compiler Collection). It's the de facto standard C compiler on Linux and supports many other languages and platforms as well.
Version 4.0.0 was released on 2005-04-20. Version 4.9.4 was released on 2016-08-03.
See also:
Questions tagged [gcc4]
184 questions
1
vote
3 answers
Does optimization change the behavior of casts?
I'm working with a small UART device and frequently need to switch the baud rate at which it operates.
Essentially the whole set-up boils down to
#define FOSC 2000000
#define BAUD 9600
uint8_t rate = (uint8_t) ((FOSC / (16.0 * BAUD)) - 1 +…
Etheryte
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1
vote
0 answers
Undefined reference to `__atomic_load_16' for atomic shared_ptr
I get linking error like
$ g++ -o yyy atomic.cpp --std=c++11
/tmp/ccLVp09P.o: In function `std::atomic >::load(std::memory_order)…
triclosan
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1
vote
1 answer
gcc4.7 error - dereferencing type-punned pointer
I have a third-party piece of code to compile, below is the snippet that fails:
typedef struct wqe_s {
...
uint8_t packet_data[96]
...
} wqe_t;
..
wqe_t *work = NULL;
..
wqe_t *w1 = *(wqe_t **)work->packet_data; // ERROR
error:…
Mark
- 6,052
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1
vote
1 answer
How to access local variables in GCC inline assembly while changing sp?
Consider the following simplified example function:
void foo(void) {
int t;
asm("push %0\n\t"
"push %0\n\t"
"call bar"
:
: "m" (t)
:
);
}
If I compile it with Cygwin x86 gcc 4.8.3 without…
dreamlayers
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- 6
1
vote
1 answer
How to convince avr-gcc, that the memory position of a global byte array is a constant
I writing a fast "8 bit reverse"-routine for an avr-project with an ATmega2560 processor.
I'm using
GNU C (WinAVR 20100110) version 4.3.3 (avr) / compiled by GNU C version 3.4.5 (mingw-vista special r3), GMP version 4.2.3, MPFR version…
Thomas
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- 15
1
vote
1 answer
Error while compiling a C++ application on a raspberry pi
I would like to ask where does this error come from:
c++: internal compiler error: Killed (program cc1plus)
Please submit a full bug report,
with preprocessed source if appropriate.
See for…
E-Kami
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1
vote
1 answer
GDB sets multiple breakpoints when I am unambiguously setting a breakpoint for a line number. Bad debug symbols?
I get this strange behaviour when setting a breakpoint:
GNU gdb (GDB) 7.6.2 (Debian 7.6.2-1)
... Blah blah legal stuff
Reading symbols from /home/matt/Programming/Latium/latium/src/test_latium...done.
(gdb) break base58.h:144
Breakpoint 1 at…
Matthew Mitchell
- 5,293
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1
vote
0 answers
Cannot install command line tools due to out of date xcode-select
For weeks I've been trying to work this out.
When I run bash install_script.sh file as yt-project ( http://yt-project.org/#getyt ) instructs, it outputs this error:
gcc -fPIC -c blocksort.c
make: gcc: No such file or directory
make: ***…
user3435126
- 11
- 1
1
vote
0 answers
QT 4.8.5 compile error in CentOS 5.X
I have download the Qt-everywhere-4.8.5.tar.gz from Qt official website. And In the CentOS 5.X, it's GCC version is 4.1.2. So I have compiled the gcc-4.7.2 from source code and installed it in $HOME/software/, then in the install directory, there…
mining
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1
vote
2 answers
Error linking with gcc
I've try to compile this code:
#include
#include
using namespace std;
#define ARRAY_TAM 2
typedef int (*operacion)(int, int);
typedef const char* (*Pfchar)();
int suma(int, int);
int resta(int, int);
const char*…
Facon
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1
vote
1 answer
What is --without-x option for?
I have a gcc compiler v 4.2.2 with next build options :
$ /opt/eldk-4.2/usr/bin/ppc_6xx-gcc -v
Reading specs from /home/dejovivl/workspace/eldk-4.2/usr/bin/../lib/gcc/powerpc-linux/4.2.2/specs
Target: powerpc-linux
Configured with:…
BЈовић
- 62,405
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1
vote
2 answers
g++ -- missing array header
The following simple code can't be compiled by g++ 4.3:
#include
using namespace std;
int main()
{
std::array myarray;
return 0;
}
array: No such file or directory
Also, the compiler doesn't seen to understand option…
Mark
- 6,052
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1
vote
1 answer
two or more data types in declaration specifiers error in header file
I am an OS developer and I would like to compile the following (it's in the file cpu.h) with my gcc crosscompiler(ver= 4.5.4)
#ifndef X86_64_CPU_H
#define X86_64_CPU_H
#include
typedef struct
{
// manually secured registers
…
Martin Erhardt
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1
vote
2 answers
why do I need copy constructor here
I have a helper class for freeing MYSQL_RES handles.
class auto_mysqlres
{
public:
auto_mysqlres(MYSQL_RES *res) : m_res(res)
{
}
~auto_mysqlres()
{
if (m_res != NULL)
mysql_free_result(m_res);
}
operator MYSQL_RES* ()
{
…
Sergi0
- 1,084
- 14
- 28
1
vote
1 answer
Error while building linux kernel 3.8.11 - unrecognized command line option "-fstack-protector"
I'm trying to build the 3.8.11 kernel for arm architecture and I use the tool chain provided by the vendor of my eval board for arm sbc (technologic systems).
I see this issue while compiling the default vanilla kernel 3.8.11 with my arm tool…
devgp
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