57 lines
1.4 KiB
Bash
57 lines
1.4 KiB
Bash
#!/bin/bash
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# Script to build picolibc for i686 freestanding environment
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set -e
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PICOLIBC_DIR="picolibc"
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BUILD_DIR="build/picolibc"
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INSTALL_DIR="$(pwd)/picolibc-install"
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echo "=== Building Picolibc for i686 freestanding ==="
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# Check if picolibc exists
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if [ ! -d "$PICOLIBC_DIR" ]; then
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echo "Error: Picolibc source not found at $PICOLIBC_DIR"
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echo "Please clone picolibc manually:"
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echo " git clone https://github.com/picolibc/picolibc.git"
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exit 1
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fi
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# Get current version
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cd "$PICOLIBC_DIR"
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CURRENT_VERSION=$(git describe --tags 2>/dev/null || echo "unknown")
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echo "Using picolibc version: $CURRENT_VERSION"
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cd ..
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# Create build directory
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mkdir -p "$BUILD_DIR"
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echo "Configuring picolibc with meson..."
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meson setup "$BUILD_DIR" "$PICOLIBC_DIR" \
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--cross-file picolibc-i686.txt \
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--prefix="$INSTALL_DIR" \
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--wipe \
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-Dmultilib=false \
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-Dpicocrt=false \
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-Dsemihost=false \
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-Dspecsdir=none \
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-Dtinystdio=true \
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-Dio-long-long=true \
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-Dformat-default=double \
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-Dtests=false
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echo "Building picolibc..."
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meson compile -C "$BUILD_DIR"
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echo "Installing picolibc..."
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meson install -C "$BUILD_DIR"
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echo ""
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echo "=== Picolibc build complete! ==="
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echo "Installation directory: $INSTALL_DIR"
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echo ""
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echo "To use picolibc in your kernel:"
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echo " Include path: -I$INSTALL_DIR/include"
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echo " Library path: -L$INSTALL_DIR/lib"
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echo " Link with: -lc"
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