Move some scripts to a new directory, maintainer

... which are not of much interest to the end user.

Signed-off-by: Alexey Neyman <stilor@att.net>

3 files changed, 502 insertions, 0 deletions

diff --git a/maintainer/addToolVersion.sh b/maintainer/addToolVersion.sh
new file mode 100755
index 00000000..38c2e552
--- /dev/null
+++ b/maintainer/addToolVersion.sh
@@ -0,0 +1,238 @@
+#!/bin/sh
+set -e
+
+# Adds a new version to one of the toolchain component
+myname="$0"
+
+# Parse the tools' paths configuration
+# It is expected that this script is only to be run from the
+# source directory of crosstool-NG, so it is trivial to find
+# paths.sh (we can't use  ". paths.sh", as POSIX states that
+# $PATH should be searched for, and $PATH most probably doe
+# not include "."), hence the "./".
+. "./paths.sh"
+
+doHelp() {
+    cat <<-EOF
+        Usage: ${myname} <--tool> <[options] version [...]> ...
+          'tool' in one of:
+            gcc, binutils, glibc, uClibc, uClibc-ng, newlib, linux, gdb,
+            duma, strace, ltrace, libelf, gmp, mpfr, isl, cloog, mpc,
+            mingw-w64, expat, ncurses, musl, gettext, zlib, libiconv
+
+          Valid options for all tools:
+            --stable, -s, +x   (default)
+              mark the version as being stable (as opposed to experimental, below)
+
+            --experimental, -x, +s
+              mark the version as being experimental (as opposed to stable, above)
+
+            --current, -c, +o   (default)
+              mark the version as being cuurent (as opposed to obsolete, below)
+
+            --obsolete, -o, +c
+              mark the version as being obsolete (as opposed to current, above)
+
+          Note: setting a new tool resets to the defaults: 'stable' and 'current'.
+
+          'version' is a valid version for the specified tool.
+
+          Examples:
+            add stable current version 2.6.19.2 to linux kernel:
+              ${myname} --linux 2.6.19.2
+
+            add experimental obsolete version 2.3.5 and stable current versions 2.6.1
+            and 2.6.2 to glibc, add stable obsolete version 3.3.3 to gcc:
+              ${myname} --glibc -x -o 2.3.5 -s -c 2.6.1 2.6.2 --gcc -o 3.3.3
+EOF
+}
+
+# Extract field $3 from version $1 with separator $2
+getVersionField() {
+    local version="$1"
+    local sep="$2"
+    local field="$3"
+
+    echo "${version}${sep}${sep}${sep}${sep}" |cut -d ${sep} -f ${field}
+}
+
+# Effectively add a version to the specified tool
+# $cat          : tool category
+# $tool         : tool name
+# $tool_prefix  : tool directory prefix
+# $EXP          : set to non empty if experimental, to empty otherwise
+# OBS           : set to non empty if obsolete, to empty otherwise
+# $1            : version string to add
+addToolVersion() {
+    local version="$1"
+    local file="$2"
+    local config_ver_option
+    local exp_obs_prompt
+    local deps v ver_M ver_m ver_p
+    local SedExpr1 SedExpr2
+
+    [ -f "${file}" ] || return 0
+
+    v=$(echo "${version}" |"${sed}" -r -e 's/-/_/g; s/\./_/g;')
+
+    config_ver_option="${cat}_V_${v}"
+
+    # Check for existing version: it can be legitimitate for an end-user
+    # to try adding a new version if the one he/she wants is not listed.
+    # But it can be the case where the version is hidden behind either one
+    # of EXPERIMENTAL or OBSOLETE, so warn if the version is already listed.
+    if ${grep} -E "^config ${config_ver_option}$" "${file}" >/dev/null 2>&1; then
+        echo "'${tool}': version '${version}' already present:"
+        ${grep} -A1 -B0 -n                                                     \
+             -E "^(config ${config_ver_option}| {4}prompt \"${version}\")$" \
+             "${file}" /dev/null
+        return 0
+    fi
+
+    SedExpr1="${SedExpr1}config ${config_ver_option}\n"
+    SedExpr1="${SedExpr1}    bool\n"
+    SedExpr1="${SedExpr1}    prompt \"${version}"
+    case "${EXP},${OBS}" in
+        ,)  ;;
+        ,*) exp_obs_prompt=" (OBSOLETE)"
+            deps="    depends on OBSOLETE"
+            ;;
+        *,) exp_obs_prompt=" (EXPERIMENTAL)"
+            deps="    depends on EXPERIMENTAL"
+            ;;
+        *)  exp_obs_prompt=" (EXPERIMENTAL, OBSOLETE)"
+            deps="    depends on EXPERIMENTAL \\&\\& OBSOLETE"
+            ;;
+    esac
+    [ -n "${exp_obs_prompt}" ] && SedExpr1="${SedExpr1}${exp_obs_prompt}"
+    SedExpr1="${SedExpr1}\""
+    [ -n "${deps}" ] && SedExpr1="${SedExpr1}\n${deps}"
+    case "${tool}" in
+        gcc)
+            # Extract 'M'ajor and 'm'inor from version string
+            ver_M=$(getVersionField "${version}" . 1)
+            ver_m=$(getVersionField "${version}" . 2)
+            if [ ${ver_M} -ge 4 ] && [ ${ver_m} -ge 2 ]; then
+                SedExpr1="${SedExpr1}\n    select CC_GCC_${ver_M}_${ver_m}"
+            fi
+            ;;
+        binutils)
+            # Extract 'M'ajor, 'm'inor, sometimes 'p'atch from version string
+            # TODO: Rework this
+            ver_M=$(getVersionField "${version}" . 1)
+            ver_m=$(getVersionField "${version}" . 2)
+            ver_p=$(getVersionField "${version}" . 3)
+            if [ ${ver_M} -eq 2 -a ${ver_m} -eq 27 ]; then
+                SedExpr1="${SedExpr1}\n    select BINUTILS_2_27_or_later"
+            elif [ ${ver_M} -eq 2 -a ${ver_m} -eq 26 ]; then
+                SedExpr1="${SedExpr1}\n    select BINUTILS_2_26_or_later"
+            elif [ ${ver_M} -eq 2 -a ${ver_m} -eq 25 -a ${ver_p} -eq 1 ]; then
+                SedExpr1="${SedExpr1}\n    select BINUTILS_2_25_1_or_later"
+            elif [ ${ver_M} -eq 2 -a ${ver_m} -eq 25 -a -z ${ver_p} ]; then
+                SedExpr1="${SedExpr1}\n    select BINUTILS_2_25_or_later"
+            elif [ ${ver_M} -eq 2 -a ${ver_m} -eq 24 ]; then
+                SedExpr1="${SedExpr1}\n    select BINUTILS_2_24_or_later"
+            elif [ ${ver_M} -eq 2 -a ${ver_m} -eq 23 -a ${ver_p} -eq 2 ]; then
+                SedExpr1="${SedExpr1}\n    select BINUTILS_2_23_2_or_later"
+            fi
+            ;;
+        uClibc)
+            # uClibc-0.9.33.2 needs some love
+            ver_M=$(getVersionField "${version}" . 1)
+            ver_m=$(getVersionField "${version}" . 2)
+            ver_p=$(getVersionField "${version}" . 3)
+            if [  ${ver_M} -eq 0 -a ${ver_m} -eq 9 -a ${ver_p} -eq 33 ]; then
+                SedExpr1="${SedExpr1}\n    select LIBC_UCLIBC_0_9_33_2_or_later"
+            fi
+            ;;
+        uClibc-ng)
+            # uClibc-ng-1.0.15 changed threading configuration, no longer compatible
+            # with the rest of uClibc gang.
+            ver_M=$(getVersionField "${version}" . 1)
+            ver_m=$(getVersionField "${version}" . 2)
+            ver_p=$(getVersionField "${version}" . 3)
+            if [  ${ver_M} -eq 1 -a ${ver_m} -eq 0 -a ${ver_p} -eq 15 ]; then
+                SedExpr1="${SedExpr1}\n    select LIBC_UCLIBC_NG_1_0_15_or_later"
+            fi
+            ;;
+        gdb)
+            # gdb-7.0 and above have special handling
+            ver_M=$(getVersionField "${version}" . 1)
+            ver_m=$(getVersionField "${version}" . 2)
+            if [ ${ver_M} -ge 7 ]; then
+                if [ ${ver_m} -ge 2 ]; then
+                    SedExpr1="${SedExpr1}\n    select GDB_7_2_or_later"
+                else
+                    SedExpr1="${SedExpr1}\n    select GDB_7_0_or_later"
+                fi
+            fi
+            ;;
+    esac
+    SedExpr2="    default \"${version}\" if ${config_ver_option}"
+    "${sed}" -r -i -e 's/^(# CT_INSERT_VERSION_BELOW)$/\1\n\n'"${SedExpr1}"'/;' "${file}"
+    "${sed}" -r -i -e 's/^(# CT_INSERT_VERSION_STRING_BELOW)$/\1\n'"${SedExpr2}"'/;' "${file}"
+}
+
+cat=
+tool=
+tool_prefix=
+VERSION=
+EXP=
+OBS=
+
+if [ $# -eq 0 ]; then
+    doHelp
+    exit 1
+fi
+
+while [ $# -gt 0 ]; do
+    case "$1" in
+        # Tools:
+        --gcc)      EXP=; OBS=; cat=CC_GCC;         tool=gcc;       tool_prefix=cc;              dot2suffix=;;
+        --binutils) EXP=; OBS=; cat=BINUTILS;       tool=binutils;  tool_prefix=binutils;        dot2suffix=;;
+        --glibc)    EXP=; OBS=; cat=LIBC_GLIBC;     tool=glibc;     tool_prefix=libc;            dot2suffix=;;
+        --uClibc)   EXP=; OBS=; cat=LIBC_UCLIBC;    tool=uClibc;    tool_prefix=libc;            dot2suffix=;;
+        --uClibc-ng)EXP=; OBS=; cat=LIBC_UCLIBC_NG; tool=uClibc;    tool_prefix=libc;            dot2suffix=;;
+        --newlib)   EXP=; OBS=; cat=LIBC_NEWLIB;    tool=newlib;    tool_prefix=libc;            dot2suffix=;;
+        --mingw-w64)EXP=; OBS=; cat=WINAPI;         tool=mingw;     tool_prefix=libc;            dot2suffix=;;
+        --musl)     EXP=; OBS=; cat=LIBC_MUSL;      tool=musl;      tool_prefix=libc;            dot2suffix=;;
+        --linux)    EXP=; OBS=; cat=KERNEL;         tool=linux;     tool_prefix=kernel;          dot2suffix=;;
+        --gdb)      EXP=; OBS=; cat=GDB;            tool=gdb;       tool_prefix=debug;           dot2suffix=;;
+        --duma)     EXP=; OBS=; cat=DUMA;           tool=duma;      tool_prefix=debug;           dot2suffix=;;
+        --strace)   EXP=; OBS=; cat=STRACE;         tool=strace;    tool_prefix=debug;           dot2suffix=;;
+        --ltrace)   EXP=; OBS=; cat=LTRACE;         tool=ltrace;    tool_prefix=debug;           dot2suffix=;;
+        --gmp)      EXP=; OBS=; cat=GMP;            tool=gmp;       tool_prefix=companion_libs;  dot2suffix=;;
+        --mpfr)     EXP=; OBS=; cat=MPFR;           tool=mpfr;      tool_prefix=companion_libs;  dot2suffix=;;
+        --isl)      EXP=; OBS=; cat=ISL;            tool=isl;       tool_prefix=companion_libs;  dot2suffix=;;
+        --cloog)    EXP=; OBS=; cat=CLOOG;          tool=cloog;     tool_prefix=companion_libs;  dot2suffix=;;
+        --mpc)      EXP=; OBS=; cat=MPC;            tool=mpc;       tool_prefix=companion_libs;  dot2suffix=;;
+        --libelf)   EXP=; OBS=; cat=LIBELF;         tool=libelf;    tool_prefix=companion_libs;  dot2suffix=;;
+        --expat)    EXP=; OBS=; cat=EXPAT;          tool=expat;     tool_prefix=companion_libs;  dot2suffix=;;
+        --ncurses)  EXP=; OBS=; cat=NCURSES;        tool=ncurses;   tool_prefix=companion_libs;  dot2suffix=;;
+        --gettext)  EXP=; OBS=; cat=GETTEXT;        tool=gettext;   tool_prefix=companion_libs;  dot2suffix=;;
+        --libiconv) EXP=; OBS=; cat=LIBICONV;       tool=libiconv;  tool_prefix=companion_libs;  dot2suffix=;;
+        --zlib)     EXP=; OBS=; cat=ZLIB;           tool=zlib;      tool_prefix=companion_tools; dot2suffix=;;
+        --make)     EXP=; OBS=; cat=MAKE;           tool=make;      tool_prefix=companion_tools; dot2suffix=;;
+        --m4)       EXP=; OBS=; cat=M4;             tool=m4;        tool_prefix=companion_tools; dot2suffix=;;
+        --autoconf) EXP=; OBS=; cat=AUTOCONF;       tool=autoconf;  tool_prefix=companion_tools; dot2suffix=;;
+        --automake) EXP=; OBS=; cat=AUTOMAKE;       tool=automake;  tool_prefix=companion_tools; dot2suffix=;;
+        --libtool)  EXP=; OBS=; cat=LIBTOOL;        tool=libtool;   tool_prefix=companion_tools; dot2suffix=;;
+
+        # Tools options:
+        -x|--experimental|+s)   EXP=1;;
+        -s|--stable|+x)         EXP=;;
+        -o|--obsolete|+c)       OBS=1;;
+        -c|--current|+o)        OBS=;;
+
+        # Misc:
+        -h|--help)  doHelp; exit 0;;
+        -*)         echo "Unknown option: '$1' (use -h/--help for help)."; exit 1;;
+
+        # Version string:
+        *)  [ -n "${tool}" ] || { doHelp; exit 1; }
+            file_base="config/${tool_prefix}/${tool}.in"
+            addToolVersion "$1" "${file_base}${dot2suffix}"
+            ;;
+    esac
+    shift
+done
diff --git a/maintainer/patch-renumber.sh b/maintainer/patch-renumber.sh
new file mode 100755
index 00000000..c9650ce9
--- /dev/null
+++ b/maintainer/patch-renumber.sh
@@ -0,0 +1,68 @@
+#!/bin/sh
+# Yes, this intends to be a true POSIX script file.
+set -e
+
+myname="$0"
+
+# Parse the tools' paths configuration
+# It is expected that this script is only to be run from the
+# source directory of crosstool-NG, so it is trivial to find
+# paths.sh (we can't use  ". paths.sh", as POSIX states that
+# $PATH should be searched for, and $PATH most probably doe
+# not include "."), hence the "./".
+. "./paths.sh"
+
+doUsage() {
+  cat <<_EOF_
+Usage: ${myname} <src_dir> <dst_dir> <base> <inc> [sed_re]
+    Renumbers all patches found in 'src_dir', starting at 'base', with an
+    increment of 'inc', and puts the renumbered patches in 'dst_dir'.
+    Leading digits are replaced with the new indexes, and a subsequent '_'
+    is replaced with a '-'.
+    If 'sed_re' is given, it is interpreted as a valid sed expression, and
+    is be applied to the patch name.
+    If the environment variable FAKE is set to 'y', then nothing gets done,
+    the command to run is only be printed, and not executed (so you can
+    check beforehand).
+    'dst_dir' must not yet exist.
+    Eg.:
+      patch-renumber.sh patches/gcc/4.2.3 patches/gcc/4.2.4 100 10
+      patch-renumber.sh /some/dir/my-patches patches/gcc/4.3.1 100 10 's/(all[_-])*(gcc[-_])*//;'
+_EOF_
+}
+
+[ $# -lt 4 -o $# -gt 5 ] && { doUsage; exit 1; }
+
+src="${1}"
+dst="${2}"
+cpt="${3}"
+inc="${4}"
+sed_re="${5}"
+if [ ! -d "${src}" ]; then
+    printf "%s: '%s': not a directory\n" "${myname}" "${src}"
+    exit 1
+fi
+if [ -d "${dst}" ]; then
+    printf "%s: '%s': directory already exists\n" "${myname}" "${dst}"
+    exit 1
+fi
+
+Q=
+if [ -n "${FAKE}" ]; then
+    printf "%s: won't do anything: FAKE='%s'\n" "${myname}" "${FAKE}"
+    Q="echo"
+fi
+
+${Q} mkdir -pv "${dst}"
+for p in "${src}/"*.patch*; do
+    [ -e "${p}" ] || { echo "No such file '${p}'"; exit 1; }
+    newname="$(printf "%03d-%s"                                     \
+                      "${cpt}"                                      \
+                      "$( basename "${p}"                           \
+                          |${sed} -r -e 's/^[[:digit:]]+[-_]//'   \
+                                       -e "${sed_re}"               \
+                        )"                                          \
+              )"
+    ${Q} cp -v "${p}" "${dst}/${newname}"
+    cpt=$((cpt+inc))
+done
diff --git a/maintainer/patch-rework.sh b/maintainer/patch-rework.sh
new file mode 100755
index 00000000..d05d2c18
--- /dev/null
+++ b/maintainer/patch-rework.sh
@@ -0,0 +1,196 @@
+#!/bin/sh
+
+# Get our required options
+base="$1"
+src="$2"
+dst="$3"
+shift 3
+
+# The remainder is for diff
+diff="$@"
+
+do_help() {
+    cat <<-_EOF_
+        ${0##*/}: transform a patchset of non-p1 patches into -p1 patches
+        
+        Usage:
+            ${0##*/} <basedir> <src> <dst> [diffopts ...]
+        
+        Where:
+            basedir
+                points to the directory of the component to patch
+        
+            src
+                points to the directory containing the existing patchset
+                to transform
+        
+            dst
+                points to the directory where to put transformed patches
+        
+            diffopts
+                optional options to pass to diff, for debug purposes. You
+                should not need it
+        
+        Example:
+            Transform Gentoo patches against gcc-4.4.2 (some of which are
+            -p0, -p1 or even -p2 patches) into all -p1 patches:
+        
+                tar xjf gcc-4.4.2.tar.bz2
+                patch-rework.sh gcc-4.4.2                   \\
+                                /path/to/gentoo/gcc/patches \\
+                                gcc-4.4.2.patches
+        _EOF_
+}
+
+# Sanity checks
+if [    -z "${base}"                    \
+     -o ! -d "${base}"                  \
+     -o ! -d "${src}"                   \
+     -o -e "${dst}" -a ! -d "${dst}"    \
+   ]; then
+    do_help
+    exit 1
+fi
+
+mkdir -p "${dst}"
+base="${base%%/}"
+src="$( cd "${src}"; pwd )"
+dst="$( cd "${dst}"; pwd )"
+
+# This function checks that the files listed in the file in "$1"
+# do exist, at the given depth-stripping level (aka diff -p#)
+do_check_files_at_depth() {
+  local flist="$1"
+  local depth="$2"
+  local ret=0   # 0: OK,  !0: KO
+
+  exec 6<&0
+  exec 7<"${flist}"
+
+  while read f; do
+    f="$( echo "${f}" |sed -r -e "s:^([^/]+/){${depth}}::;" )"
+    [ -f "${f}" ] || ret=1
+  done </dev/fd/7
+
+  exec 7<&-
+  exec <&6
+
+  return ${ret}
+}
+
+# Iterate through patches
+for p in "${src}/"*.patch; do
+  pname="$( basename "${p}" )"
+
+  printf "Handling patch '${pname}'...\n"
+
+  printf "  creating reference..."
+  cp -a "${base}" "${base}.orig"
+  printf " done\n"
+
+  printf "  retrieving patch comment..."
+  comment="$( awk '
+BEGIN { mark=0; }
+$0~/^diff --/ { nextfile; }
+$1=="---" { mark=1; next; }
+$1=="+++" && mark==1 { nextfile; }
+{ mark=0; print; }
+' "${p}" )"
+  printf " done\n"
+
+  printf "  creating patched file list..."
+  diffstat -f 4 -r 2 -u -p 0 "${p}"                         \
+  |head -n -1                                               \
+  |awk '{ for(i=NF;i>=NF-5;i--) { $(i) = ""; } print; }'    \
+  |sort                                                     \
+  >"diffstat.orig"
+  printf " done\n"
+
+  cd "${base}"
+
+  # Check all files exist, up to depth 3
+  printf "  checking depth:"
+  d=0
+  while [ $d -lt 4 ]; do
+    printf " ${d}"
+    if do_check_files_at_depth "../diffstat.orig" ${d}; then
+      printf " ok, using depth '${d}'\n"
+      break
+    fi
+    d=$((d + 1))
+  done
+  if [ ${d} -ge 4 ]; then
+    printf "\n"
+    printf "  checking depth failed\n"
+    read -p "  --> enter patch depth (or Ctrl-C to abort): " d
+  fi
+
+  # Store the original list of files touched by the patch,
+  # removing the $d leading components
+  sed -r -e "s:^([^/]+/){${d}}::;" "../diffstat.orig" >"${dst}/${pname}.diffstat.orig"
+
+  # Apply the patch proper, and check it applied cleanly.
+  # We can't check with --dry-run because of patches that
+  # contain multiple accumulated patches onto a single file.
+  printf "  applying patch..."
+  if ! patch -g0 -F1 -f -p${d} <"${p}" >"../patch.out" 2>&1; then
+    printf " ERROR\n\n"
+    cd - >/dev/null
+    printf "There was an error while applying:\n  -->  ${p}  <--\n"
+    printf "'${base}' was restored to the state it was prior to applying this faulty patch.\n"
+    printf "Here's the 'patch' command, and its output:\n"
+    printf "  ----8<----\n"
+    printf "  patch -g0 -F1 -f -p${d} <'${p}'\n"
+    sed -r -e 's/^/  /;' "patch.out"
+    printf "  ----8<----\n"
+    exit 1
+  fi
+  printf " done\n"
+
+  printf "  removing '.orig' files..."
+  find . -type f -name '*.orig' -exec rm -f {} +
+  printf " done\n"
+
+  cd - >/dev/null
+
+  printf "  re-diffing the patch..."
+  printf "%s\n\n" "${comment}" >"${dst}/${pname}"
+  diff -durN "${base}.orig" "${base}" >>"${dst}/${pname}"
+  printf " done\n"
+
+  if [ -n "${diff}" ]; then
+    printf "  applying diff filter..."
+    filterdiff -x "${diff}" "${dst}/${pname}" >"tmp-diff"
+    mv "tmp-diff" "${dst}/${pname}"
+    printf " done\n"
+  fi
+
+  printf "  creating new patched file list..."
+  diffstat -f 4 -r 2 -u -p 1 "${dst}/${pname}"              \
+  |head -n -1                                               \
+  |awk '{ for(i=NF;i>=NF-5;i--) { $(i) = ""; } print; }'    \
+  |sort                                                     \
+  >"${dst}/${pname}.diffstat.new"
+  printf " done\n"
+
+  printf "  removing temporary files/dirs..."
+  rm -f "patch.out"
+  rm -f "diffstat.tmp"
+  rm -f "diffstat.orig"
+  rm -rf "${base}.orig"
+  printf " done\n"
+done
+
+# Scan all new patches to see if they touch
+# more files than the original patches
+printf "\nChecking resulting patchset:\n"
+for p in "${dst}/"*.patch; do
+  pname="$( basename "${p}" )"
+
+  if ! cmp "${p}.diffstat.orig" "${p}.diffstat.new" >/dev/null; then
+    printf "  --> '${pname}' differ in touched files <--\n"
+  else
+    rm -f "${p}.diffstat.orig" "${p}.diffstat.new"
+  fi
+done
+printf "  done.\n"