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make fxlibc a GiteaPC dependency, and update README

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Lephe 2021-05-25 22:06:50 +02:00
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16
README.md
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@ -48,6 +48,10 @@ A couple of libraries extend these features, including:
* [libprof](/Lephenixnoir/libprof): Profiling and performance evaluation
* [libimg](/Lephenixnoir/libimg): Versatile image transformations
* [OpenLibm](/Lephenixnoir/OpenLibm): A port of the standard math library
(actually needed by gint)
* [fxlibc](/Vhex-Kernel-Core/fxlibc/): A community standard library with
dedicated SuperH optimizations (in progress; needed by gint unless you're
trying out Newlib)
* Integration with [a Newlib port by Memallox](/PlaneteCasio/libc) (unstable)
## Installing with GiteaPC
@ -75,6 +79,10 @@ needed at the very last compilation step to create the g3a file. On Arch Linux,
you can use the [AUR/mkg3a](https://aur.archlinux.org/packages/mkg3a) package
maintained directly by Tari.
gint depends on OpenLibm and fxlibc (linked above). Both can be installed
easily (essentially copy-paste the command from the respective READMEs). You
can technically use another libc but there be dragons.
**Building for fx-9860G II**
`fxsdk build-fx` will invoke CMake and make. If you have specific configuration
@ -106,7 +114,9 @@ The available options are:
## Using in CMake-based add-ins
Find the `Gint` module and link against `Gint::Gint`.
Find the `Gint` module and link against `Gint::Gint`. gint declares the include
and library paths needed to link with OpenLibm and the libc, and will
automatically link both.
```cmake
find_module(Gint 2.1 REQUIRED)
@ -119,8 +129,8 @@ Projects created with the fxSDK link with gint out-of-the-box. If you're not
using the fxSDK, you will need to:
* Build with `-ffreestanding -fstrict-volatile-bitfields`;
* Link with `-T fx9860g.ld` and `-lgint-fx` on fx-9860G;
* Link with `-T fxcg50.ld` and `-lgint-cg` on fx-CG 50.
* Link with `-T fx9860g.ld -lgint-fx -lopenlibm -lc` on fx-9860G;
* Link with `-T fxcg50.ld -lgint-cg -lopenlibm -lc` on fx-CG 50.
If you don't have a standard library such as
[Memallox's port of newlib](/PlaneteCasio/libc), you also need `-nostdlib`. I

2
giteapc.make
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@ -1,4 +1,4 @@
# giteapc: version=1 depends=Lephenixnoir/sh-elf-gcc,Lephenixnoir/fxsdk,Lephenixnoir/OpenLibm
# giteapc: version=1 depends=Lephenixnoir/sh-elf-gcc,Lephenixnoir/fxsdk,Lephenixnoir/OpenLibm,Vhex-Kernel-Core/fxlibc
-include giteapc-config.make