Compiler 'gcc@7.4.0' does not support compiling Fortran 90 programs
Hey guys I am trying to install papi library with spack but when I execute spack install papi@5.7.0 it throw the error Compiler 'gcc@7.4.0' does not support compiling Fortran 90 programs, Anyone knows...
View ArticleHow to build glib library with specific gcc version
On my system default gcc version is 4.4.7 , But i want to build glib library with gcc 6.3 version. For that i tried running ./configure from glib source as shown below:../configure...
View ArticleSegmentation Fault when editing code of executable file
Working on a Cyber Security Project: When editing the code of a .exe file in c, it's possible to edit the code of a different exe file but not the exe file itself. It results in a segmentation fault....
View ArticleExecuting performance gap between GCC and Clang
I have the following simple code and when I compiling them in GCC and Clang there is a huge performance difference between theirs execute times as you can see the results and the versions of the...
View ArticleTime consumption of each gcc compilation stage
Refering to document https://en.m.wikibooks.org/wiki/GNU_C_Compiler_Internals/GNU_C_Compiler_Architecture, I was thinking how much (relative) time each front and middle end sub stage consumes time?
View ArticleHow to prevent GCC from optimizing out a busy wait loop?
I want to write a C code firmware for Atmel AVR microcontrollers. I will compile it using GCC. Also, I want to enable compiler optimizations (-Os or -O2), as I see no reason to not enable them, and...
View ArticleCompilation differences between gcc on redhat vs gcc on Solaris [closed]
I have a C program. If I build it in Red Hat:gcc -O2 -Wall -W -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wswitch -Wshadow -Wmissing-braces -Wparentheses -I./include -I./../include...
View ArticleCan't compile with gcc-7
I am trying to compile some code with GCC-7 on MacOS Catalina. The GCC-7 was installed using homebrew brew install gcc@7The code is the following:#include <stdlib.h> #include <math.h>...
View ArticleHow do I use GCC options -iprefix and -iwithprefix?
I have a c++ application that is separated into modules. The directory structure for each module looks like this:module_a/ export/ <-- module_a public interface src/ <-- module_a private source...
View Articleis there a **safe** order to link the libraries in a GCC command line?
I tried to link an object file "blas.o", compiled from a user-written C file, with some third-party libraries.It works in this way, $ gcc blas.o -lgsl -lgslcblas -lm but not in this way$ gcc -lgsl...
View ArticleSTM32 USB Unreliable compilation with GCC '-Os'
I've noticed some really odd behaviour in my software. It's taken literally months to track down.I'm using ST's USB Virtual COM Port example code as part of my project, and occasionally the binary that...
View Articleis Windows Subsystem for Linux sufficient for BUILDING tasks using bitbake,...
My project is currently using VirtualBox + Ubuntu 18 running on Windows (x86_64) to build an ARM image using bitbake, gcc, cmake, make.QUESTIONIs WSL sufficient for building activities that are...
View ArticleIs there a standard order to link the several libraries in a GCC command line
I tried to link an object file "blas.o", compiled from a user-written C file, with some third-party libraries.It works in this way, $ gcc blas.o -lgsl -lgslcblas -lm but not in this way$ gcc -lgsl...
View ArticleWhere does gcc look for C and C++ header files?
On a Unix system, where does gcc look for header files?I spent a little time this morning looking for some system header files, so I thought this would be good information to have here.
View ArticleHow to make include files accessible to compiler by default [duplicate]
This question already has an answer here:How to make g++ search for header files in a specific directory? 4 answersWhere does gcc look for C and C++ header files? 9 answersSay I have a template library...
View Articlestdio.h: No such file or directory
I got the foll. error compiling a simple ciao.c program In file included from ciao.c:1: /usr/local/lib/gcc/x86_64-apple-darwin18.5.0/8.3.0/include-fixed/stdio.h:78:10: fatal error: _stdio.h: No such...
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Why GCC and MSVC std::normal_distribution are different? [duplicate]
This question already has an answer here:std::normal_distribution<double> results in wrong order windows versus linux? 1 answerI have a simple code sample:#include <iostream> #include...
View ArticleOutput Compiler Version in a C++ Program
I am writing a program which needs the information of compiler version as the code is compiled.To simplify the problem, my code is something like#include <cstdlib> #include <iostream> using...
View ArticleGCC on macos not finding header in /usr/local/include
I'm trying to set up a macos-latest build for my project using github actions, but after installing gcc & libcheck via brew, gcc is throwing fatal error: check.h: No such file or directory.I've...
View ArticleC: error when linking with OpenSSL library dynamically
I have a C program, which is using AES routines from the OpenSSL library. I have the necessary library installed (libssl-dev)I can compile my program statically:gcc -s -o aes aes.c...
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