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GNU tar static build
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#!/bin/bash | |
# | |
# build static tar because we need exercises in minimalism | |
# MIT licentar: google it or see robxu9.mit-license.org. | |
# https://github.com/luciusmagn/tar-static/ | |
# For Linux, also builds musl for truly static linking. | |
tar_version="1.34" | |
musl_version="1.2.2" | |
platform=$(uname -s) | |
if [ -d build ]; then | |
echo "= removing previous build directory" | |
rm -rf build | |
fi | |
mkdir build # make build directory | |
pushd build | |
# download tarballs | |
echo "= downloading tar" | |
curl -LO http://ftp.gnu.org/gnu/tar/tar-${tar_version}.tar.xz | |
echo "= extracting tar" | |
tar xJf tar-${tar_version}.tar.xz | |
if [ "$platform" = "Linux" ]; then | |
echo "= downloading musl" | |
curl -LO http://www.musl-libc.org/releases/musl-${musl_version}.tar.gz | |
echo "= extracting musl" | |
tar -xf musl-${musl_version}.tar.gz | |
echo "= building musl" | |
working_dir=$(pwd) | |
install_dir=${working_dir}/musl-install | |
pushd musl-${musl_version} | |
env CFLAGS="$CFLAGS -Os -ffunction-sections -fdata-sections" LDFLAGS='-Wl,--gc-sections' ./configure --prefix=${install_dir} | |
make install | |
popd # musl-${musl-version} | |
echo "= setting CC to musl-gcc" | |
export CC=${working_dir}/musl-install/bin/musl-gcc | |
export CFLAGS="-static" | |
else | |
echo "= WARNING: your platform does not support static binaries." | |
echo "= (This is mainly due to non-static libc availability.)" | |
fi | |
echo "= building tar" | |
pushd tar-${tar_version} | |
env FORCE_UNSAFE_CONFIGURE=1 CFLAGS="$CFLAGS -Os -ffunction-sections -fdata-sections" LDFLAGS='-Wl,--gc-sections' ./configure | |
make | |
popd # tar-${tar_version} | |
popd # build | |
if [ ! -d releases ]; then | |
mkdir releases | |
fi | |
echo "= striptease" | |
strip -s -R .comment -R .gnu.version --strip-unneeded build/tar-${tar_version}/src/tar | |
#echo "= compressing" | |
#upx --ultra-brute build/tar-${tar_version}/src/tar | |
echo "= extracting tar binary" | |
cp build/tar-${tar_version}/src/tar releases | |
echo "= done" |
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