Created
August 24, 2024 08:29
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| echo 'export DEB_CFLAGS_MAINT_APPEND="-O3 -march=native -ftree-vectorize -flto -fprefetch-loop-arrays"' | sudo tee -a /etc/dpkg/buildflags.conf | |
| echo 'export DEB_CXXFLAGS_MAINT_APPEND="-O3 -march=native -ftree-vectorize -flto -fprefetch-loop-arrays"' | sudo tee -a /etc/dpkg/buildflags.conf |
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| #!/bin/bash | |
| # Directory to hold source packages | |
| SRC_DIR=~/src | |
| mkdir -p $SRC_DIR | |
| cd $SRC_DIR | |
| # Export the optimization flags | |
| export DEB_CFLAGS_MAINT_APPEND="-O3 -march=native -mtune=native -ftree-vectorize -flto -fprefetch-loop-arrays" | |
| export DEB_CXXFLAGS_MAINT_APPEND="-O3 -march=native -mtune=native -ftree-vectorize -flto -fprefetch-loop-arrays" | |
| echo "Starting the recompilation process with CPU-specific and advanced optimizations for all installed packages..." | |
| echo "Source directory: $SRC_DIR" | |
| echo "Optimization flags: $DEB_CFLAGS_MAINT_APPEND, $DEB_CXXFLAGS_MAINT_APPEND" | |
| # Get the list of installed packages | |
| PACKAGES=$(dpkg --get-selections | grep -v deinstall | awk '{print $1}') | |
| # Total packages count | |
| TOTAL_PACKAGES=$(echo "$PACKAGES" | wc -l) | |
| echo "Total packages to process: $TOTAL_PACKAGES" | |
| PROCESSED=0 | |
| SKIPPED=0 | |
| RECOMPILED=0 | |
| # Loop through each package | |
| for pkg in $PACKAGES; do | |
| PROCESSED=$((PROCESSED + 1)) | |
| echo "[$PROCESSED/$TOTAL_PACKAGES] Processing $pkg..." | |
| # Download the source package | |
| if ! apt source $pkg; then | |
| echo "Error: Failed to download source for $pkg. Skipping..." | |
| SKIPPED=$((SKIPPED + 1)) | |
| continue | |
| fi | |
| # Enter the source package directory | |
| if ! cd $pkg-*/; then | |
| echo "Error: Failed to enter source directory for $pkg. Skipping..." | |
| SKIPPED=$((SKIPPED + 1)) | |
| continue | |
| fi | |
| # Install the build dependencies | |
| echo "Installing build dependencies for $pkg..." | |
| if ! sudo apt build-dep -y $pkg; then | |
| echo "Error: Failed to install build dependencies for $pkg. Skipping..." | |
| cd $SRC_DIR | |
| rm -rf $pkg-*/ | |
| SKIPPED=$((SKIPPED + 1)) | |
| continue | |
| fi | |
| # Build the package with CPU-specific and advanced optimization flags | |
| echo "Building $pkg with CPU-specific and advanced optimizations..." | |
| if ! DEB_BUILD_OPTIONS="parallel=$(nproc)" dpkg-buildpackage -b -uc -us; then | |
| echo "Error: Failed to build $pkg. Skipping..." | |
| cd $SRC_DIR | |
| rm -rf $pkg-*/ | |
| SKIPPED=$((SKIPPED + 1)) | |
| continue | |
| fi | |
| # Install the newly built package | |
| echo "Installing the newly built package for $pkg..." | |
| if ! sudo dpkg -i ../$pkg*.deb; then | |
| echo "Error: Failed to install the built package for $pkg. Skipping..." | |
| cd $SRC_DIR | |
| rm -rf $pkg-*/ | |
| SKIPPED=$((SKIPPED + 1)) | |
| continue | |
| fi | |
| echo "$pkg processed successfully." | |
| RECOMPILED=$((RECOMPILED + 1)) | |
| # Clean up and go back to the source directory | |
| cd $SRC_DIR | |
| rm -rf $pkg-*/ | |
| done | |
| # Clean up | |
| sudo apt-get clean | |
| echo "Recompilation and installation process completed." | |
| echo "Total packages processed: $PROCESSED" | |
| echo "Total packages skipped due to errors: $SKIPPED" | |
| echo "Total packages recompiled with CPU-specific and advanced optimizations: $RECOMPILED" |
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