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working compiler instructions

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Ada Orbit 2026-04-05 22:21:03 +02:00
parent 6f94e52d07
commit 9836a9e372
6 changed files with 22 additions and 13 deletions
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2
.gitignore vendored
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@ -5,3 +5,5 @@ gcc-*/
sysroot/ sysroot/
fxlibc fxlibc
OpenLibm OpenLibm
libfxcg/
test

13
README.md
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@ -109,7 +109,7 @@ make -j$(nproc) all-gcc all-target-libgcc
make install-strip-gcc install-strip-target-libgcc # TODO: may need to add Ada stuff? make install-strip-gcc install-strip-target-libgcc # TODO: may need to add Ada stuff?
``` ```
We now have successfully corss compiled gcc. However we still need to add a libc and compile gnat. We now have successfully cross compiled gcc. However we still need to add a libc and compile gnat.
For that we will have to install the required headers into the correct coresponding direcotry For that we will have to install the required headers into the correct coresponding direcotry
```bash ```bash
@ -142,16 +142,6 @@ make -C gcc cross-gnattools
make install-strip make install-strip
``` ```
Now we install the actual libc
```bash
# git clone https://git.planet-casio.com/Vhex-Kernel-Core/fxlibc.git
# cd fxlibc
# cmake -B build-gint -DFXLIBC_TARGET=gint -DCMAKE_TOOLCHAIN_FILE=cmake/toolchain-sh.cmake -DCMAKE_INSTALL_PREFIX="$PREFIX" #instead of Sysroot use lib/gcc/15.2.0
# make -C build-casiowin-cg #casiowin-cg does not work? using gint instead
# make -C build-casiowin-cg install
```
> [!NOTE] > [!NOTE]
> There is also gint and vhex form the repo but those target also other calculators that I don't have access to. > There is also gint and vhex form the repo but those target also other calculators that I don't have access to.
> For my own sanity sake I'll just stick with the casiowin-cg > For my own sanity sake I'll just stick with the casiowin-cg
@ -180,7 +170,6 @@ make
make install/local make install/local
``` ```
## Adding our custom compiler to GPRBuild ## Adding our custom compiler to GPRBuild
TODO: look into ironclad gprbuild integration TODO: look into ironclad gprbuild integration

9
build-gcc.sh
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@ -2,7 +2,7 @@
set -e set -e
# Step 1. Download GCC and binutils source code # Definitions
ADACASIO_BINUTILS_VERSION="2.46.0" ADACASIO_BINUTILS_VERSION="2.46.0"
ADACASIO_GCC_VERSION="15.2.0" ADACASIO_GCC_VERSION="15.2.0"
ADACASIO_BINUTILS_URL="https://ftp.gnu.org/gnu/binutils/binutils-$ADACASIO_BINUTILS_VERSION.tar.gz" ADACASIO_BINUTILS_URL="https://ftp.gnu.org/gnu/binutils/binutils-$ADACASIO_BINUTILS_VERSION.tar.gz"
@ -10,6 +10,13 @@ ADACASIO_GCC_URL="https://ftp.gnu.org/gnu/gcc/gcc-15.2.0/gcc-$ADACASIO_GCC_VERSI
ADACASIO_PREFIX="$(pwd)/sysroot" ADACASIO_PREFIX="$(pwd)/sysroot"
ADACASIO_TARGET="sh-elf" ADACASIO_TARGET="sh-elf"
# Install dependencies
# For now I have only tested Fedora 43. YMMV
sudo -i
dnf install mg
dnf upgrade
dnf install @c-development gnat gprbuild gmp-devel mpfr-devel libmpc-devel git
# prepare configure and build enviornment # prepare configure and build enviornment
wget -O binutils.tar.gz $ADACASIO_BINUTILS_URL wget -O binutils.tar.gz $ADACASIO_BINUTILS_URL
wget -O gcc.tar.gz $ADACASIO_GCC_URL wget -O gcc.tar.gz $ADACASIO_GCC_URL

1
libfxcg Submodule

@ -0,0 +1 @@
Subproject commit daa76d9e37758ab5b9b0f614b7e0aa6acfbe2e18

6
test/program.adb Normal file
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@ -0,0 +1,6 @@
package body Program is
procedure Main is
begin
null;
end Main;
end Program;

4
test/program.ads Normal file
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@ -0,0 +1,4 @@
package Program is
procedure Main;
pragma Export (C, Main, "main");
end Program;