How to compile cpp program with gcc

Community Bot 1 1 1 silver badge. Evan Teran Evan Teran Neil: from what I can tell, gcc does consider a. The following works just fine: gcc test. C -o test. Evan Yes, of course it does. That does not mean that you should ever use it though, as it will cause terrible portability problems, as do all case-sensitive file names. This causes no problems, and is guaranteed to work on all common operating systems. Alexandre C. Can you explain why? Please give the reason too and the answer is not complete.

I don't know is this the standard answer look like? Praveen S Praveen S It's a bit more complicated than that, as in the other answers here. Rup: correct, this is basically what I was saying in my answer. Borealid Borealid It worked well for me. Just one line code in cmd. Now, compile your. Rajkumar Bansal Rajkumar Bansal 1 1 silver badge 9 9 bronze badges. Nice catch! DevX — Rajkumar Bansal. Daniel Augusta Daniel Augusta 9 3 3 bronze badges.

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Create an account. Edit this Article. We use cookies to make wikiHow great. By using our site, you agree to our cookie policy. Cookie Settings. Learn why people trust wikiHow. Download Article Explore this Article methods. Tips and Warnings. Related Articles. Article Summary. Method 1. Open up a terminal window on your Linux system. Its icon usually is a black screen with some white characters on it. You can usually find it in your Applications menu.

Install GCC. Type sudo apt-get install manpages-dev and press "Enter" to install the manual pages. This will verify that GCC is installed properly and return the version number.

If the command is not found, it is likely that GCC isn't installed. Navigate to the directory where your source code is saved. Use the cd command to navigate directories in the Terminal. The program will now compile. If you see errors and want to see more information about them, use gcc -Wall -o errorlog file1.

To compile one program from multiple source code files, use gcc -o outputfile file1. To compile multiple programs at once with multiple source code files, use gcc -c file1. Run your newly-compiled program. Method 2. This is an easy-to-install version of GCC for Windows. Use the following steps to download MinGW:. Click the green button that says Download. Wait for the installer to download automatically. Install MinGW. Use the following steps to install MinGW: Double-click mingw-get-setup.

Click Install. Click Continue. Select which compilers to install. At the minimum, choose Basic Setup on the left panel, then place check marks next to all of the listed compilers in the right main panel. More advanced users can choose All Packages and select additional compilers.

Right-click each package and click Mark for Installation. The Basic Setup has about 7 packages listed in the box at the top. Right-click each one of them or just the ones you want and click Mark for Installation. Again, it does not exist, so make looks for a rule to create it. It runs the command " gcc -c hello. Finally, the rule " all " does nothing. More importantly, if the pre-requisite is not newer than than target, the command will not be run. In other words, the command will be run only if the target is out-dated compared with its pre-requisite.

For example, if we re-run the make command:. You can also specify the target to be made in the make command. For example, the target " clean " removes the " hello. You can then run the make without target, which is the same as " make all ".

A comment begins with a and lasts till the end of the line. The rules are usually organized in such as way the more general rules come first. The overall rule is often name " all ", which is the default target for make.

A target that does not represent a file is called a phony target. For example, the " clean " in the above example, which is just a label for a command. If the target is a file, it will be checked against its pre-requisite for out-of-date-ness. Phony target is always out-of-date and its command will be run. The standard phony targets are: all , clean , install. Single character variables do not need the parentheses. You can also use vpath lowercase to be more precise about the file type and its search directory.

Make comes with a huge set of implicit pattern rules. You can list all the rule via --print-data-base option. Make is actually quite complex, and can be considered as a programming language by itself!! GNU Make: an automation tool for compiling and building applications. GNU Binutils: a suite of binary utility tools, including linker and assembler. GNU Bison: a parser generator similar to lex and yacc. Cygwin is huge and includes most of the Unix tools and utilities. It also included the commonly-used Bash shell.

If the target is native Windows, the code can be distributed and run under Windows. However, if the target is Cygwin, to distribute, you need to distribute Cygwin runtime environment cygwin1. This is because Cygwin is a Unix emulator under Windows.

The executable is " iwmingwgcc ". Thread model: posix gcc version 6. You probably should install these two packages too. However, to distribute the code produced, you need to distribute Cygwin Runtime Environment cygwin1. Reading man pages under CMD or Bash shell can be difficult. Hence, you need to include the current path. You also need to include the file extension, if any, i. In Unixes, the output file could be " a. Furthermore, you need to assign executable file-mode x to the executable file " a.

Compile and Link Separately The above command compile the source file into object file and link with other object files and system libraries into executable in one step. By default, the object file has the same name as the source file with extension of ". No linking with other object files or libraries. Linking is performed when the input file are object files ". GCC uses a separate linker program called ld. Compilation: The compiler compiles the pre-processed source code into assembly code for a specific processor.

The resultant assembly file is " hello.