new: migrate more packages

src/libelf/.gitignore

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+.cache/
+dist/
+root/

src/libelf/changes.md

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+# 0.191
+First version

src/libelf/pkg.sh

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+# general info
+NAME="libelf"
+DESC="Library for handling ELF (Executable and Linkable Format) files"
+VERSION="0.191"
+
+# required files
+FILES=("https://sourceware.org/ftp/elfutils/${VERSION}/elfutils-${VERSION}.tar.bz2")
+HASHES=("e22d85f25317a79b36d370347e50284c9120c86f9830f08791b7b6a7b4ad89b9bf4c7c71129133b8d193a0edffb2a2c17987b7e48428b9670aff5ce918777e04")
+
+# install and build depends
+DEPENDS=(
+  "gcc-libs" "glibc" "bzip2" 
+  "xz" "zlib" "zstd"
+)
+BUILD=()
+
+build(){
+  tar xf "elfutils-${VERSION}.tar.bz2"
+  cd "elfutils-${VERSION}"
+
+  ./configure --prefix=/usr        \
+              --disable-debuginfod \
+              --enable-libdebuginfod=dummy
+  make
+  make DESTDIR="${ROOTDIR}" -C libelf install
+
+  install -dm755 "${ROOTDIR}/usr/lib/pkgconfig"
+  install -vm644 config/libelf.pc "${ROOTDIR}/usr/lib/pkgconfig"
+  rm "${ROOTDIR}/usr/lib/libelf.a"
+
+  cd .. && rm -r "elfutils-${VERSION}"
+}