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| author | Ciro Santilli 六四事件 法轮功 包卓轩 <ciro.santilli@gmail.com> | 2016-06-16 18:46:08 +0200 |
|---|---|---|
| committer | tgingold <tgingold@users.noreply.github.com> | 2016-06-16 18:46:08 +0200 |
| commit | dad5c0002640fec80cc37e397e06e9526784478b (patch) | |
| tree | 81dbc9d5a8049216401ab81e841902f15ae2863f /doc | |
| parent | 79854e18349bb32c1fcda32614bea77aa92857cc (diff) | |
| download | ghdl-dad5c0002640fec80cc37e397e06e9526784478b.tar.gz ghdl-dad5c0002640fec80cc37e397e06e9526784478b.tar.bz2 ghdl-dad5c0002640fec80cc37e397e06e9526784478b.zip | |
Document GCC backend needed to generate executables (#80)
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/Invoking_GHDL.rst | 9 | ||||
| -rw-r--r-- | doc/Starting_with_GHDL.rst | 7 |
2 files changed, 9 insertions, 7 deletions
diff --git a/doc/Invoking_GHDL.rst b/doc/Invoking_GHDL.rst index b0410f207..0b845b481 100644 --- a/doc/Invoking_GHDL.rst +++ b/doc/Invoking_GHDL.rst @@ -55,10 +55,11 @@ Elaborate a design:: ghdl -e [options..] primary_unit [secondary_unit] -On GNU/Linux the elaboration command creates an executable -containing the code of the `VHDL` sources, the elaboration code -and simulation code to execute a design hierarchy. On Windows this -command elaborates the design but does not generate anything. +On GNU/Linux, if the GCC backend was enabled during the compilation of `GHDL`, +the elaboration command creates an executable containing the code of the `VHDL` +sources, the elaboration code and simulation code to execute a design hierarchy. +On Windows or if the GCC backend was not enabled, this command elaborates the design +but does not generate anything. The elaboration command is selected with :option:`-e` switch, and must be followed by either: diff --git a/doc/Starting_with_GHDL.rst b/doc/Starting_with_GHDL.rst index bba4b7b7a..c7cd00f96 100644 --- a/doc/Starting_with_GHDL.rst +++ b/doc/Starting_with_GHDL.rst @@ -54,8 +54,8 @@ The :option:`-e` option means :dfn:`elaborate`. With this option, `GHDL` creates code in order to elaborate a design, with the :samp:`hello_world` entity at the top of the hierarchy. -On GNU/Linux, the result is an executable program called :file:`hello_world` -which can be run: +On GNU/Linux, if you have enabled the GCC backend during the compilation of `GHDL`, +an executable program called :file:`hello_world` which can be run is generated: .. code-block:: shell @@ -68,7 +68,8 @@ or directly: $ ./hello_world -On Windows, no file is created. The simulation is launched using this command: +On Windows or if the GCC backend was not enabled, no file is created. +The simulation is launched using this command: .. code-block:: shell |