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eiffel:hello:start
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eiffel:hello:start [2018/01/04 18:12] jonathan |
eiffel:hello:start [2018/12/28 20:49] (current) jackie [Your first Eiffel program (Hello World)] |
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| - | === Using command line (''ec17.05'') === | + | === Using command line (''ec18.11'') === |
| **//To compile//** your program from the command line, use | **//To compile//** your program from the command line, use | ||
| - | ec17.05 hello_world.e | + | ec18.11 hello_world.e |
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| - | On Prism (Linux), we have renamed the command line compiler (“ec”) to '“ec17.05”, as we are using EiffelStudio version 17.05. | + | On Prism (Linux), we have renamed the command line compiler (“ec”) to '“ec18.11”, as we are using EiffelStudio version 18.11. |
| [On your own install in Linux/Windows/MacOs, you may be prompted to precompile. Answer Yes.] | [On your own install in Linux/Windows/MacOs, you may be prompted to precompile. Answer Yes.] | ||
| - | On Windows/MacOs, the command line will just be “ec”. On Windows, use the EiffelStudio 17.05 Command Prompt (available from the Start menu). | + | On Windows/MacOs, the command line will just be “ec”. On Windows, use the EiffelStudio 18.11 Command Prompt (available from the Start menu). |
| When you invoke ec on a single source file such as hello_world.e, the compiler will generate the ecf file for you (hello_world.ecf). ECF files specify which libraries will be used. The Base library is always included. | When you invoke ec on a single source file such as hello_world.e, the compiler will generate the ecf file for you (hello_world.ecf). ECF files specify which libraries will be used. The Base library is always included. | ||
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| You can obtain a finalized executable that can be deployed by any user (without the need for the EiffelStudio environment) by: | You can obtain a finalized executable that can be deployed by any user (without the need for the EiffelStudio environment) by: | ||
| - | ec17.05 -c_compile -finalize -config hello_world.ecf | + | ec18.11 -c_compile -finalize -config hello_world.ecf |
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| The Eiffel program is translated to C, and the C program is compiled to executable machine code (that does not need a virtual machine to run it). To execute the program: | The Eiffel program is translated to C, and the C program is compiled to executable machine code (that does not need a virtual machine to run it). To execute the program: | ||
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| - | * Note: If you are using the command line under Windows, then the compiler is ec (not ec17.05). Use the Eiffel 17.05 command prompt (available from the Start menu). Alternatively,ensure that: C:\Program Files\Eiffel Software\EiffelStudio 17.05 GPL\studio\spec\windows\bin is on your PATH variable. | + | * Note: If you are using the command line under Windows, then the compiler is ec (not ec18.11). Use the Eiffel 18.11 command prompt (available from the Start menu). Alternatively,ensure that: C:\Program Files\Eiffel Software\EiffelStudio 18.11 GPL\studio\spec\windows\bin is on your PATH variable. |
| - | ===Using IDE (estudio17.05)=== | + | ===Using IDE (estudio18.11)=== |
| You can invoke the EiffelStudio IDE on the above project as follows: | You can invoke the EiffelStudio IDE on the above project as follows: | ||
| - | > estudio17.05 & | + | > estudio18.11 & |
| (On your own install, it is just estudio). | (On your own install, it is just estudio). | ||
| When you start a new project on the IDE, you can use the Wizard to generate an ECF file automatically. If you already have a project with ECF file foo.ecf, then you can start from the command line as follows: | When you start a new project on the IDE, you can use the Wizard to generate an ECF file automatically. If you already have a project with ECF file foo.ecf, then you can start from the command line as follows: | ||
| - | estudio17.05 foo.ecf &. | + | estudio18.11 foo.ecf &. |
| (The ampersand at the end causes the EStudio process to run in the background, leaving the terminal free for further commands.) | (The ampersand at the end causes the EStudio process to run in the background, leaving the terminal free for further commands.) | ||
eiffel/hello/start.1515089569.txt.gz · Last modified: 2018/01/04 18:12 by jonathan
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