updating

build-gcc.sh

@@ -1,4 +1,7 @@
 #!/usr/bin/env bash
+# Copyright (c) 2026 Ada Orbit. All Rights Reserved.
+
+# simple small script to build gcc with superh and ada support
 
 set -e
 
@@ -8,30 +11,31 @@ ADACASIO_GCC_VERSION="15.2.0"
 ADACASIO_BINUTILS_URL="https://ftp.gnu.org/gnu/binutils/binutils-$ADACASIO_BINUTILS_VERSION.tar.gz"
 ADACASIO_GCC_URL="https://ftp.gnu.org/gnu/gcc/gcc-15.2.0/gcc-$ADACASIO_GCC_VERSION.tar.gz"
 ADACASIO_PREFIX="$(pwd)/sysroot"
-ADACASIO_TARGET="sh-elf"
+ADACASIO_TARGET="sh3eb-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
+#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
-wget -O binutils.tar.gz $ADACASIO_BINUTILS_URL
-wget -O gcc.tar.gz $ADACASIO_GCC_URL
+#wget -O binutils.tar.gz $ADACASIO_BINUTILS_URL
+#wget -O gcc.tar.gz $ADACASIO_GCC_URL
 tar -xf binutils.tar.gz
 tar -xf gcc.tar.gz
 
 # Got the command list from https://git.planet-casio.com/Lephenixnoir/sh-elf-binutils Method 3
 # Step 2. configure and build GCC and binutils
 mkdir build-binutils build-gcc $ADACASIO_PREFIX
+
 cd build-binutils
 ../binutils-*/configure \
   --prefix="$ADACASIO_PREFIX" \
   --target="sh3eb-elf" \
   --with-multilib-list="m3,m4-nofpu" \
-  --program-prefix="$ADACASIO_TARGET-" \
+  --program-prefix="" \
   --enable-libssp \
   --enable-lto
 
@@ -42,14 +46,14 @@ make install-strip
 # https://git.planet-casio.com/Lephenixnoir/sh-elf-gcc
 
 cd ../build-gcc/
-../gcc-$VERSION/configure \
-  --prefix="$SYSROOT" \
+../gcc-*/configure \
+  --prefix="$ADACASIO_PREFIX" \
   --target="sh3eb-elf" \
   --with-multilib-list="m3,m4-nofpu" \
   --enable-languages="c,c++,ada" \
   --disable-libada \
   --without-headers \
-  --program-prefix="sh-elf-" \
+  --program-prefix="$ADACASIO_TARGET-" \
   --enable-libssp \
   --enable-lto \
   --enable-clocale="generic" \
@@ -61,5 +65,24 @@ cd ../build-gcc/
 make -j$(nproc) all-gcc all-target-libgcc
 make install-strip-gcc install-strip-target-libgcc
 
-# TODO:
-# install openlibm and fxlibc for C++ support later on
+# TODO: C++ support is currenlty not working on gcc15 with superh target
+# It does work with gcc14 but ada does not :/
+# I'll leave the c++ flags here for future use
+
+cd ..
+export PATH="$PATH:$ADACASIO_PREFIX/bin"
+ADACASIO_GCCPREFIX="$($ADACASIO_TARGET-gcc --print-file-name=.)"
+
+# WARNING: this library uses "sh3eb-elf-gcc"
+# TODO: replace sh3eb-elf-gcc with $ADACASIO_TARGET-gcc
+git clone https://github.com/Jonimoose/libfxcg.git
+cd libfxcg
+make
+cp lib/* ../sysroot/lib/
+cp -r include/* ../sysroot/lib/gcc/sh3eb-elf/15.2.0/include/
+
+# Going back to gcc-build to build gnattools using the libc
+cd ../build-gcc
+
+make -C gcc cross-gnattools
+make install-strip