Use my new toolchain, fix a bug on mac/freebsd

build-for-ppc.sh

@@ -0,0 +1,20 @@
+
+mkdir -p build
+pushd build
+cmake-cross -S .. -B . -DCMAKE_INSTALL_LIBDIR=lib -DCMAKE_BUILD_TYPE=Release
+make -j`nproc`
+mkdir -p /home/build/tf
+chown build:build -R /home/build
+make install DESTDIR=/home/build/tf/src
+cp ppc-pkgbuild /home/build/tf/PKGBUILD
+chmod 644 /home/build/tf/PKGBUILD
+chown build:build -R /home/build/tf
+pushd /home/build/tf
+su build -c 'CARCH=powerpc makepkg -d'
+curl --user tesses50:$PACKAGE_AND_BREW \
+     --upload-file *.pkg.tar.zst \
+     https://git.tesses.org/api/packages/tesses50/arch/core
+popd
+popd
+mkdir -p artifacts
+tar czf artifacts/tessesframework-$VERSION\-powerpc.tar.gz -C /home/build/tf/src/usr .