Highest Voted 'gcc4' Questions

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Installing SystemC 2.2.0, compilation with GCC 4.6 and package for Fedora

How to install SystemC on Fedora 15? Problems: no RPM package (licensing problems) does not compile with 4.6 even with -fpermissive (clang doesn't compile your modules)

asked Sep 02 '11 at 14:36

Paweł Prażak

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1 answer

How to enable Loop tiling in gcc?

How to compile a code using gcc, which performs loop tiling (Blocking) ? The -O3 optimization by default does not do loop tiling. I need to enable loop tiling in this flag and also, find out the tile factor. (E.g. cubic tiling or rectangular tiling)…

optimization gcc loops gcc4 tiling

asked Aug 29 '11 at 10:29

psteelk

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1 answer

Undefined Symbols when linking against a mixed C and Fortran in OS X 10.6.4

I'm trying to compile a code (not mine) that consists of mixed Fortran and C source files, which are compiled into a library. This library can either be linked against directly, or (more usefully) driven from a python class. I have previously…

linker gfortran gcc4

asked Aug 23 '11 at 03:52

Kris Eriksen

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1 answer

Declaring and initializing a completely `const` `char *argv[]`

I tried assigning the argv value to a constant pointer, believing that it's safe to assign a non-const to a const variable. Unfortunately gcc complained: > make CFLAGS=-Wall mein cc -Wall mein.c -o mein mein.c: In function ‘main’: mein.c:5:30:…

c gcc-warning gcc4

asked Jul 08 '21 at 12:30

U. Windl

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2 answers

Check wheter atomic ptr is not initialized in gcc 4.4.7 (without nullptr)

During re-factorization of singleton class to be thread safe (fallowing Herb Sutter advice how to write proper double-check locking) I came across problem with my version of compiler (gcc 4.4.7 with --std=c++0x flag) supporting atomics but not…

c++ c++11 gcc gcc4

asked Mar 10 '20 at 15:24

scadder

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4 answers

Strange GCC6 optimization with builtin function

With GCC6 and the code snippet below, this test if (i > 31 || i < 0) { is false, and this printf is executed printf("i > 31 || i < 0 is FALSE, where i=%d", i); and produces this very weird output (GCC6): i > 31 || i < 0 is FALSE, where i=32 /*…

c gcc undefined-behavior gcc4 gcc6

asked Jun 15 '18 at 15:34

Bludzee

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gcc-4.4.0-1aix5.3 missing dependency libgmp, libmpfr

I am trying to install gcc-4.4.0-1 on Aix 5.3 system(64 BIT). I have installed MPFR 2.0 and LIBGMP 4.3 and can see libgmp.a and libmpfr.a in /usr/lib. I also used --enable-shared option and can see libgmp.so.3 and libmpfr.so.4 in /usr/lib. LIBPATH…

gcc aix rpm gcc4

asked Feb 12 '11 at 04:08

confused

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Template specialization ambiguity: either specialized or original method may be linked

Look at base::m_visible method in tps.hpp (it's «default»): #include #include template struct base { void m_log() const; void m_visible() const; }; struct inheritor: base { void log()…

c++ templates specialization gcc4

asked Jul 06 '17 at 23:44

dyomas

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1 answer

Building Boost 1.57.0 with GCC 4.0: ld: can't map file, errno=22

I'm trying to build boost 1.57.0 with gcc 4.0 on mac. I first found this website, but I got a number of linker errors when I tried that. I then found this question which allowed me to fix those linker errors, but I'm still getting more that I can't…

macos gcc boost linker gcc4

asked May 02 '17 at 16:55

Edward Marchioni

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1 answer

Will app built with gcc 4.x on CentOS/RHEL 4.8 run on completely un-updated CentOS/RHEL 4?

We have a commercial application that we build on 32-bit CentOS 4.8 (equivalent to Red Hat Enterprise Linux (RHEL) 4 update 8. The default gcc compiler is at 3.4.6 We are able to run our binary on both 32- and 64-bit CentOS/RHEL 4 and 5 including…

portability centos portable-applications rhel gcc4

asked Oct 24 '10 at 20:26

lcbrevard

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Cannot take string input properly in gcc ubuntu linux

What is wrong in this program?? I am trying to figure out since 2 days but no help at all!! String output is only after string input and after selecting choice, default string input is new line character by default i guess. Besides if i type string…

c gcc gcc-warning gcc4 gcc4.7

asked Sep 28 '16 at 12:36

Saugat Sigdel

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postgresql does not build with cc flags -fwrapv -fno-strict-aliasing

I'm trying to build Postgresql9.3.9 on Linux box with GCC version 4.4.7 installed. The configuration part is going smoothly with command: ./configure --prefix=/apps/php/postgresql-9.3.9 --enable-thread-safety --without-readline --without-zlib…

linux build gnu-make postgresql-9.3 gcc4

asked Feb 22 '16 at 14:10

sebick

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0 answers

ld: Assertion failed: (symbolIndex != INDIRECT_SYMBOL_LOCAL)

I'm trying to build my project that uses MacOS SDK 10.4. On Yosemite and XCode 6.4 everything is ok. But on El Capitan and XCode 7 i've got a strange error. 0 0x10d7527e2 __assert_rtn + 144 1 0x10d75c8fb …

xcode macos linker-errors gcc4

asked Dec 16 '15 at 12:31

JeKich

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1 answer

GCC gives confusing warning message when using pointer to struct

On compiling the following C program, GCC emits a warning message which is somewhat confusing. Program Source #include typedef struct { int x; } dummy_t; void myfunc (dummy_t *pointer) { printf("x = %d\n", pointer->x); } int…

gcc gcc4

asked Oct 07 '15 at 18:24

Anant

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cannot create executables gcc: ./specs is a directory

I am trying to compile libXaw-1.0.10 , and while configuring i get: gcc: ./specs is a directory I tried to compile a basic helloworld.c and when i created "specs" directory, my compilation failed! What is the cause for this behaviour ? this …

gcc gcc4 specs

asked Jun 03 '15 at 07:22

Puneet S. Chauhan

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Questions tagged [gcc4]