Bye-bye Make, Hi-hi Cmake!

1 files changed, 47 insertions, 0 deletions

diff --git a/cross.sh b/cross.sh
new file mode 100644
index 0000000..6a4c21c
--- /dev/null
+++ b/cross.sh
@@ -0,0 +1,47 @@
+#!/usr/bin/env sh
+# Sets up a cross compiler
+
+if [ ! -d "./cross/" ]; then
+  # Create directory
+  mkdir -p cross
+  cd cross || exit
+  DIR=$(pwd)
+
+  # Get sources
+  mkdir "${DIR}/src" && cd "${DIR}/src" || exit
+  echo "Downloading..."
+  curl -sSL "https://ftp.gnu.org/gnu/binutils/binutils-2.32.tar.xz" | tar xJ
+  curl -sSL "https://ftp.gnu.org/gnu/gcc/gcc-9.2.0/gcc-9.2.0.tar.xz" | tar xJ
+
+  # Prepare compiling
+  mkdir -p "${DIR}/opt/bin"
+  export PREFIX="${DIR}/opt"
+  export TARGET=i686-elf
+  export PATH="$PREFIX/bin:$PATH"
+
+  # Compile binutilsq
+  mkdir "${DIR}/src/build-binutils" && cd "${DIR}/src/build-binutils" || exit
+  ../binutils-2.32/configure --target="$TARGET" --prefix="$PREFIX" --with-sysroot --disable-nls --disable-werror
+  make
+  make install
+
+  # Compile GCC
+  mkdir "${DIR}/src/build-gcc" && cd "${DIR}/src/build-gcc" || exit
+  ../gcc-9.2.0/configure --target="$TARGET" --prefix="$PREFIX" --disable-nls --enable-languages=c,c++ --without-headers
+  make all-gcc
+  make all-target-libgcc
+  make install-gcc
+  make install-target-libgcc
+
+  # Source exported variables
+  cd "${DIR}/.." || exit
+  . cross.sh
+else
+  # Should be sourced to take effect
+  cd cross || exit
+  DIR=$(pwd)
+  export PREFIX="${DIR}/opt"
+  export TARGET=i686-elf
+  export PATH="$PREFIX/bin:$PATH"
+  cd ..
+fi
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