forked from Dark-Horse-Linux/pyrois
gcc pass 3
phanes
parent
88f65e83e5
commit
1a360bed1a
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@ -0,0 +1,292 @@
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#!/bin/bash
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# desc:
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# stages, builds, installs
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# make variables persist in subprocesses for logging function
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set -a
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# ----------------------------------------------------------------------
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# Configuration:
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# ----------------------------------------------------------------------
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# the name of this application
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APPNAME="gcc"
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# the version of this application
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VERSION="12.2.0"
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# ----------------------------------------------------------------------
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# Variables and functions sourced from Environment:
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# ----------------------------------------------------------------------
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# assert_zero()
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# Checks if $1 is 0. If non-0 value, halts the execution of the script.
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#
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# LOGS_ROOT
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# The parent directory where logs from this project will go.
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#
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# TEMP_STAGE_DIR
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# The parent directory of where source archives are extracted to.
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# register mode selections
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ARGUMENT_LIST=(
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"stage"
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"build"
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"install"
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"all"
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"help"
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)
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# modes to associate with switches
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# assumes you want nothing done unless you ask for it.
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MODE_STAGE=false
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MODE_BUILD=false
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MODE_INSTALL=false
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MODE_ALL=false
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MODE_HELP=false
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# the file to log to
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LOGFILE="${APPNAME}.log"
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# ISO 8601 variation
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TIMESTAMP="$(date +%Y-%m-%d_%H:%M:%S)"
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# the path where logs are written to
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# note: LOGS_ROOT is sourced from environment
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LOG_DIR="${LOGS_ROOT}/${APPNAME}-${TIMESTAMP}"
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# the path where the source will be located when complete
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# note: TEMP_STAGE_DIR is sourced from environment
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T_SOURCE_DIR="${TEMP_STAGE_DIR}/${APPNAME}"
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# read defined arguments
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opts=$(getopt \
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--longoptions "$(printf "%s," "${ARGUMENT_LIST[@]}")" \
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--name "$APPNAME" \
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--options "" \
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-- "$@"
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)
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# process supplied arguments into flags that enable execution modes
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eval set --$opts
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while [[ $# -gt 0 ]]; do
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case "$1" in
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--stage)
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MODE_STAGE=true
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shift 1
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;;
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--build)
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MODE_BUILD=true
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shift 1
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;;
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--install)
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MODE_INSTALL=true
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shift 1
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;;
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--all)
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MODE_ALL=true
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shift 1
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;;
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--help)
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MODE_HELP=true
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shift 1
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;;
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*)
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break
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;;
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esac
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done
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# print to stdout, print to log
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logprint() {
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mkdir -p "${LOG_DIR}"
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echo "[$(date +%Y-%m-%d_%H:%M:%S)] [${APPNAME}] $1" \
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| tee -a "${LOG_DIR}/${LOGFILE}"
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}
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# Tell the user we're alive...
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logprint "Initializing the ${APPNAME} utility..."
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# when the stage mode is enabled, this will execute
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mode_stage() {
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logprint "Starting stage of ${APPNAME}..."
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logprint "Removing any pre-existing staging for ${APPNAME}."
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rm -Rf "${T_SOURCE_DIR}"*
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logprint "Extracting ${APPNAME}-${VERSION} source archive to ${TEMP_STAGE_DIR}"
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tar xf "${SOURCES_DIR}/${APPNAME}-${VERSION}.tar."* -C "${TEMP_STAGE_DIR}"
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assert_zero $?
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# conditionally rename if it needs it
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stat "${T_SOURCE_DIR}-"* && mv "${T_SOURCE_DIR}-"* "${T_SOURCE_DIR}"
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logprint "Staging operation complete."
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}
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# when the build_pass1 mode is enabled, this will execute
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mode_build() {
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# patch, configure and build
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logprint "Starting build of ${APPNAME}..."
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logprint "Entering build dir."
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pushd "${T_SOURCE_DIR}"
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assert_zero $?
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# how many times do you need to compile this until you can use your fucking system?
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logprint "GCC PASS 3 PREWORK"
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# patches
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logprint "Applying patches..."
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patch -p0 < "${PATCHES_DIR}/gcc_libarchpath_fhs.patch"
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assert_zero $?
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mkdir -v build
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pushd build
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logprint "Configuring ${APPNAME}..."
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../configure \
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--prefix=/usr \
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--enable-languages=c,c++ \
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--enable-default-pie \
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--enable-default-ssp \
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--disable-multilib \
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--disable-bootstrap \
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--with-system-zlib
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assert_zero $?
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logprint "Compiling..."
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make
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assert_zero $?
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# TODO this needs rewritten later to configure and compile as test user
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# and then test as that user, and then make install as root
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logprint "Testing"
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make -k check
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logprint "Checks exited with '$?'. "
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logprint "Test results:"
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cat ../contrib/test_summary
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logprint "Build operation complete."
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}
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mode_install() {
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logprint "Starting install of ${APPNAME}..."
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pushd "${T_SOURCE_DIR}/build"
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assert_zero $?
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logprint "Installing..."
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make install
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assert_zero $?
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# https://refspecs.linuxfoundation.org/FHS_3.0/fhs/ch03s09.html
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logprint "Creating FHS symlink from /usr/bin/cpp -> /usr/lib"
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# this is the C preprocessor, see ref 12 on Ch 3 ss 9 of FHS3
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ln -svr /usr/bin/cpp /usr/lib
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assert_zero $?
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logprint "Creating LTO compatibility symlink..."
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ln -sfv ../../libexec/gcc/$(gcc -dumpmachine)/${VERSION}/liblto_plugin.so /usr/lib/bfd-plugins/
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assert_zero $?
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logprint "Checking compilation..."
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logprint "Creating dummy.c"
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echo 'int main(){}' > dummy.c
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assert_zero $?
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logprint "Compiling dummy.c with CC"
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cc dummy.c -v -Wl,--verbose &> dummy.log
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assert_zero $?
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logprint "Dumping readelf output of resulting binary:"
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readelf -l a.out | grep ': /lib' | grep "interpreter"
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assert_zero $?
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logprint "Dumping the compilation log:"
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# look for {Scrt1.o,crti.o,crtn.o}
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# verify the correct header files
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# check that the new linker is being used
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logprint "look for crt.o's:"
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cat dummy.log | grep "succeeded"
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assert_zero $?
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logprint "look at include paths:"
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grep -B4 '^ /usr/include' dummy.log
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assert_zero $?
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logprint "check linker search paths:"
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grep 'SEARCH.*/usr/lib' dummy.log |sed 's|; |\n|g'
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assert_zero $?
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logprint "Check glibc version:"
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grep "/lib.*/libc.so.6 " dummy.log
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assert_zero $?
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logprint "Check that the correct dynamic linker is being used:"
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grep found dummy.log
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assert_zero $?
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logprint "Cleaning up...."
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rm -v dummy.c a.out dummy.log
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assert_zero $?
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mkdir -pv /usr/share/gdb/auto-load/usr/lib
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assert_zero $?
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mv -v /usr/lib/*gdb.py /usr/share/gdb/auto-load/usr/lib
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assert_zero $?
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logprint "Install operation complete."
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}
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mode_help() {
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echo "${APPNAME} [ --stage ] [ --build_temp ] [ --install_temp ] [ --all_temp ] [ --help ]"
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exit 1
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}
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if [ "$MODE_ALL" = "true" ]; then
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MODE_STAGE=true
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MODE_BUILD=true
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MODE_INSTALL=true
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fi
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# if no options were selected, then show help and exit
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if \
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[ "$MODE_HELP" != "true" ] && \
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[ "$MODE_STAGE" != "true" ] && \
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[ "$MODE_BUILD" != "true" ] && \
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[ "$MODE_INSTALL" != "true" ]
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then
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logprint "No option selected during execution."
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mode_help
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fi
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# if help was supplied at all, show help and exit
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if [ "$MODE_HELP" = "true" ]; then
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logprint "Help option selected. Printing options and exiting."
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mode_help
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fi
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if [ "$MODE_STAGE" = "true" ]; then
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logprint "Staging option selected."
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mode_stage
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assert_zero $?
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fi
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if [ "$MODE_BUILD" = "true" ]; then
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logprint "Build of ${APPNAME} selected."
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mode_build
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assert_zero $?
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fi
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if [ "$MODE_INSTALL" = "true" ]; then
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logprint "Install of ${APPNAME} selected."
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mode_install
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assert_zero $?
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fi
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logprint "Execution of ${APPNAME} completed."
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@ -120,6 +120,11 @@
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"name": "shadow",
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"dependencies": [ null ],
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"comment": "LFS 11.3-systemd-rc1 Ch. 8.25"
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},
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{
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"name": "gcc pass 3",
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"dependencies": [ null ],
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"comment": "LFS 11.3-systemd-rc1 Ch. 8.26 -- endlessly fucking with compilers forever"
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}
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]
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}
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@ -431,6 +431,24 @@
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"group": "root",
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"supply_environment": true,
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"environment": "environments/stage4.env.bash"
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},
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{
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"name": "gcc pass 3",
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"target": "components/stage4/gcc.bash --all",
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"is_shell_command": true,
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"shell_definition": "bash",
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"force_pty": true,
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"set_working_directory": false,
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"working_directory": "",
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"rectify": false,
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"rectifier": "",
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"active": true,
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"required": true,
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"set_user_context": true,
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"user": "root",
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"group": "root",
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"supply_environment": true,
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"environment": "environments/stage4.env.bash"
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}
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]
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}
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