scripts/build/debug/300-gdb.sh
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Sun Mar 03 15:30:02 2013 +0100 (2013-03-03)
changeset 3189 9fa7078581b3
parent 3188 388459fe2c22
child 3190 22556c14a09c
permissions -rw-r--r--
debug/gdb: fix $need_expat_src usage for native-gdb

For the native-gdb (ie on the target), we unconditionally
need to build expat.

Make it a backend, it makes a litle bit cleaner code.

Reported-by: Trevor Woerner <twoerner@gmail.com>
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
     1 # Build script for the gdb debug facility
     2 
     3 # The version of ncurses to use. Yes, it's hard-coded.
     4 # It's used only internally by crosstool-NG, and is
     5 # not exposed outside, so we don't care about providing
     6 # config options for this.
     7 CT_DEBUG_GDB_NCURSES_VERSION="5.9"
     8 
     9 # Ditto for the expat library
    10 CT_DEBUG_GDB_EXPAT_VERSION="2.1.0"
    11 
    12 do_debug_gdb_parts() {
    13     need_gdb_src=
    14     need_ncurses_src=
    15     need_expat_src=
    16 
    17     if [ "${CT_GDB_CROSS}" = y ]; then
    18         need_gdb_src=y
    19     fi
    20 
    21     if [ "${CT_GDB_GDBSERVER}" = "y" ]; then
    22         need_gdb_src=y
    23     fi
    24 
    25     if [ "${CT_GDB_NATIVE}" = "y" ]; then
    26         need_gdb_src=y
    27         # GDB on Mingw depends on PDcurses, not ncurses
    28         if [ "${CT_MINGW32}" != "y" ]; then
    29             need_ncurses_src=y
    30         fi
    31         need_expat_src=y
    32     fi
    33 }
    34 
    35 do_debug_gdb_get() {
    36     local linaro_version
    37     local linaro_series
    38     local linaro_base_url="http://launchpad.net/gdb-linaro"
    39 
    40     # Account for the Linaro versioning
    41     linaro_version="$( echo "${CT_GDB_VERSION}"      \
    42                        |sed -r -e 's/^linaro-//;'   \
    43                      )"
    44     linaro_series="$( echo "${linaro_version}"      \
    45                       |sed -r -e 's/-.*//;'         \
    46                     )"
    47 
    48     do_debug_gdb_parts
    49 
    50     if [ "${need_gdb_src}" = "y" ]; then
    51         if [ "${CT_GDB_CUSTOM}" = "y" ]; then
    52             CT_GetCustom "gdb" "${CT_GDB_VERSION}" "${CT_GDB_CUSTOM_LOCATION}"
    53         else
    54             CT_GetFile "gdb-${CT_GDB_VERSION}"                          \
    55                        {ftp,http}://ftp.gnu.org/pub/gnu/gdb             \
    56                        ftp://sources.redhat.com/pub/gdb/{,old-}releases \
    57                        "${linaro_base_url}/${linaro_series}/${linaro_version}/+download"
    58         fi
    59     fi
    60 
    61     if [ "${need_ncurses_src}" = "y" ]; then
    62         CT_GetFile "ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}" .tar.gz  \
    63                    {ftp,http}://ftp.gnu.org/pub/gnu/ncurses \
    64                    ftp://invisible-island.net/ncurses
    65     fi
    66 
    67     if [ "${need_expat_src}" = "y" ]; then
    68         CT_GetFile "expat-${CT_DEBUG_GDB_EXPAT_VERSION}" .tar.gz    \
    69                    http://downloads.sourceforge.net/project/expat/expat/${CT_DEBUG_GDB_EXPAT_VERSION}
    70     fi
    71 }
    72 
    73 do_debug_gdb_extract() {
    74     do_debug_gdb_parts
    75 
    76     if [ "${need_gdb_src}" = "y" ]; then
    77         # If using custom directory location, nothing to do
    78         if [    "${CT_GDB_CUSTOM}" = "y" \
    79              -a -d "${CT_SRC_DIR}/gdb-${CT_GDB_VERSION}" ]; then
    80             return 0
    81         fi
    82         CT_Extract "gdb-${CT_GDB_VERSION}"
    83         CT_Patch "gdb" "${CT_GDB_VERSION}"
    84     fi
    85 
    86     if [ "${need_ncurses_src}" = "y" ]; then
    87         CT_Extract "ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}"
    88         CT_DoExecLog ALL chmod -R u+w "${CT_SRC_DIR}/ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}"
    89         CT_Patch "ncurses" "${CT_DEBUG_GDB_NCURSES_VERSION}"
    90     fi
    91 
    92     if [ "${need_expat_src}" = "y" ]; then
    93         CT_Extract "expat-${CT_DEBUG_GDB_EXPAT_VERSION}"
    94         CT_Patch "expat" "${CT_DEBUG_GDB_EXPAT_VERSION}"
    95     fi
    96 }
    97 
    98 do_debug_gdb_build() {
    99     local -a extra_config
   100 
   101     do_debug_gdb_parts
   102 
   103     gdb_src_dir="${CT_SRC_DIR}/gdb-${CT_GDB_VERSION}"
   104 
   105     # Version 6.3 and below behave badly with gdbmi
   106     case "${CT_GDB_VERSION}" in
   107         6.2*|6.3)   extra_config+=("--disable-gdbmi");;
   108     esac
   109 
   110     if [ "${CT_GDB_HAS_PKGVERSION_BUGURL}" = "y" ]; then
   111         extra_config+=("--with-pkgversion=${CT_PKGVERSION}")
   112         [ -n "${CT_TOOLCHAIN_BUGURL}" ] && extra_config+=("--with-bugurl=${CT_TOOLCHAIN_BUGURL}")
   113     fi
   114 
   115     if [ "${CT_GDB_CROSS}" = "y" ]; then
   116         local -a cross_extra_config
   117         local gcc_version
   118 
   119         CT_DoStep INFO "Installing cross-gdb"
   120         CT_DoLog EXTRA "Configuring cross-gdb"
   121 
   122         mkdir -p "${CT_BUILD_DIR}/build-gdb-cross"
   123         cd "${CT_BUILD_DIR}/build-gdb-cross"
   124 
   125         cross_extra_config=("${extra_config[@]}")
   126         case "${CT_THREADS}" in
   127             none)   cross_extra_config+=("--disable-threads");;
   128             *)      cross_extra_config+=("--enable-threads");;
   129         esac
   130         if [ "${CT_GDB_CROSS_PYTHON}" = "y" ]; then
   131             cross_extra_config+=( "--with-python=yes" )
   132         else
   133             cross_extra_config+=( "--with-python=no" )
   134         fi
   135         if [ "${CT_GDB_CROSS_SIM}" = "y" ]; then
   136             cross_extra_config+=( "--enable-sim" )
   137         else
   138             cross_extra_config+=( "--disable-sim" )
   139         fi
   140 
   141         CC_for_gdb=
   142         LD_for_gdb=
   143         if [ "${CT_GDB_CROSS_STATIC}" = "y" ]; then
   144             CC_for_gdb="gcc -static"
   145             LD_for_gdb="ld -static"
   146         fi
   147 
   148         if [ "${need_expat_src}" = "y" ]; then
   149             cross_extra_config+=("--with-expat=yes")
   150         else
   151             cross_extra_config+=("--disable-expat")
   152             cross_extra_config+=("--with-expat=no")
   153         fi
   154 
   155         [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] &&    \
   156         cross_extra_config+=("--disable-nls")
   157 
   158         gdb_cross_configure="${gdb_src_dir}/configure"
   159 
   160         CT_DoLog DEBUG "Extra config passed: '${cross_extra_config[*]}'"
   161 
   162         CT_DoExecLog CFG                                \
   163         CC="${CC_for_gdb}"                              \
   164         LD="${LD_for_gdb}"                              \
   165         "${gdb_cross_configure}"                        \
   166             --build=${CT_BUILD}                         \
   167             --host=${CT_HOST}                           \
   168             --target=${CT_TARGET}                       \
   169             --prefix="${CT_PREFIX_DIR}"                 \
   170             --with-build-sysroot="${CT_SYSROOT_DIR}"    \
   171             --with-sysroot="${CT_SYSROOT_DIR}"          \
   172             --disable-werror                            \
   173             "${cross_extra_config[@]}"                  \
   174             "${CT_GDB_CROSS_EXTRA_CONFIG_ARRAY[@]}"
   175 
   176         CT_DoLog EXTRA "Building cross-gdb"
   177         CT_DoExecLog ALL make ${JOBSFLAGS}
   178 
   179         CT_DoLog EXTRA "Installing cross-gdb"
   180         CT_DoExecLog ALL make install
   181 
   182         if [ "${CT_BUILD_MANUALS}" = "y" ]; then
   183             CT_DoLog EXTRA "Building and installing the cross-GDB manuals"
   184             CT_DoExecLog ALL make ${JOBSFLAGS} pdf html
   185             CT_DoExecLog ALL make install-{pdf,html}-gdb
   186         fi
   187 
   188         if [ "${CT_GDB_INSTALL_GDBINIT}" = "y" ]; then
   189             CT_DoLog EXTRA "Install '.gdbinit' template"
   190             # See in scripts/build/internals.sh for why we do this
   191             if [ -f "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" ]; then
   192                 gcc_version=$( cat "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/BASE-VER" )
   193             else
   194                 gcc_version=$( sed -r -e '/version_string/!d; s/^.+= "([^"]+)".*$/\1/;' \
   195                                    "${CT_SRC_DIR}/gcc-${CT_CC_VERSION}/gcc/version.c"   \
   196                              )
   197             fi
   198             ${sed} -r                                               \
   199                    -e "s:@@PREFIX@@:${CT_PREFIX_DIR}:;"             \
   200                    -e "s:@@VERSION@@:${gcc_version}:;"              \
   201                    "${CT_LIB_DIR}/scripts/build/debug/gdbinit.in"   \
   202                    >"${CT_PREFIX_DIR}/share/gdb/gdbinit"
   203         fi # Install gdbinit sample
   204 
   205         CT_EndStep
   206     fi
   207 
   208     if [ "${CT_GDB_NATIVE}" = "y" ]; then
   209         local -a native_extra_config
   210         local -a ncurses_opt
   211         local -a gdb_native_CFLAGS
   212 
   213         CT_DoStep INFO "Installing native gdb"
   214 
   215         native_extra_config=("${extra_config[@]}")
   216 
   217         # GDB on Mingw depends on PDcurses, not ncurses
   218         if [ "${CT_MINGW32}" != "y" ]; then
   219             CT_DoLog EXTRA "Building static target ncurses"
   220 
   221             [ "${CT_CC_LANG_CXX}" = "y" ] || ncurses_opts+=("--without-cxx" "--without-cxx-binding")
   222             [ "${CT_CC_LANG_ADA}" = "y" ] || ncurses_opts+=("--without-ada")
   223 
   224             mkdir -p "${CT_BUILD_DIR}/build-ncurses-build-tic"
   225             cd "${CT_BUILD_DIR}/build-ncurses-build-tic"
   226 
   227             # Use build = CT_REAL_BUILD so that configure thinks it is
   228             # cross-compiling, and thus will use the ${CT_BUILD}-*
   229             # tools instead of searching for the native ones...
   230             CT_DoExecLog CFG                                                    \
   231             "${CT_SRC_DIR}/ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}/configure"   \
   232                 --build=${CT_BUILD}                                             \
   233                 --host=${CT_BUILD}                                              \
   234                 --prefix=/usr                                                   \
   235                 --enable-symlinks                                               \
   236                 --with-build-cc=${CT_REAL_BUILD}-gcc                            \
   237                 --with-build-cpp=${CT_REAL_BUILD}-gcc                           \
   238                 --with-build-cflags="${CT_CFLAGS_FOR_HOST}"                     \
   239                 "${ncurses_opts[@]}"
   240 
   241             # ncurses insists on linking tic statically. It does not work
   242             # on some OSes (eg. MacOS-X/Darwin/whatever-you-call-it).
   243             CT_DoExecLog DEBUG sed -r -i -e 's/-static//g;' "progs/Makefile"
   244 
   245             # Under some operating systems (eg. Winblows), there is an
   246             # extension appended to executables. Find that.
   247             tic_ext=$(grep -E '^x[[:space:]]*=' progs/Makefile |sed -r -e 's/^.*=[[:space:]]*//;')
   248 
   249             CT_DoExecLog ALL make ${JOBSFLAGS} -C include
   250             CT_DoExecLog ALL make ${JOBSFLAGS} -C progs "tic${tic_ext}"
   251 
   252             CT_DoExecLog ALL install -d -m 0755 "${CT_BUILDTOOLS_PREFIX_DIR}/bin"
   253             CT_DoExecLog ALL install -m 0755 "progs/tic${tic_ext}" "${CT_BUILDTOOLS_PREFIX_DIR}/bin"
   254 
   255             mkdir -p "${CT_BUILD_DIR}/build-ncurses"
   256             cd "${CT_BUILD_DIR}/build-ncurses"
   257 
   258             CT_DoExecLog CFG                                                    \
   259             TIC_PATH="${CT_BUILDTOOLS_PREFIX_DIR}/bin/tic${tic_ext}"            \
   260             "${CT_SRC_DIR}/ncurses-${CT_DEBUG_GDB_NCURSES_VERSION}/configure"   \
   261                 --build=${CT_BUILD}                                             \
   262                 --host=${CT_TARGET}                                             \
   263                 --with-build-cc=${CT_BUILD}-gcc                                 \
   264                 --with-build-cpp=${CT_BUILD}-gcc                                \
   265                 --with-build-cflags="${CT_CFLAGS_FOR_HOST}"                     \
   266                 --prefix="${CT_BUILD_DIR}/static-target"                        \
   267                 --without-shared                                                \
   268                 --without-sysmouse                                              \
   269                 --without-progs                                                 \
   270                 --enable-termcap                                                \
   271                 "${ncurses_opts[@]}"
   272 
   273             CT_DoExecLog ALL make ${JOBSFLAGS}
   274 
   275             CT_DoExecLog ALL make install
   276 
   277             native_extra_config+=("--with-curses")
   278             # There's no better way to tell gdb where to find -lcurses... :-(
   279             gdb_native_CFLAGS+=("-I${CT_BUILD_DIR}/static-target/include")
   280             gdb_native_CFLAGS+=("-L${CT_BUILD_DIR}/static-target/lib")
   281         fi # need_ncurses_src
   282 
   283         # Build libexpat
   284         CT_DoLog EXTRA "Building static target expat"
   285         CT_mkdir_pushd "${CT_BUILD_DIR}/build-expat-target-${CT_TARGET}"
   286         do_expat_backend host="${CT_TARGET}"                    \
   287                          prefix="${CT_BUILD_DIR}/static-target" \
   288                          cflags=""                              \
   289                          ldflags=""
   290         CT_Popd
   291         native_extra_config+=("--with-expat")
   292         native_extra_config+=("--with-libexpat-prefix=${CT_BUILD_DIR}/static-target")
   293 
   294         CT_DoLog EXTRA "Configuring native gdb"
   295 
   296         mkdir -p "${CT_BUILD_DIR}/build-gdb-native"
   297         cd "${CT_BUILD_DIR}/build-gdb-native"
   298 
   299         case "${CT_THREADS}" in
   300             none)   native_extra_config+=("--disable-threads");;
   301             *)      native_extra_config+=("--enable-threads");;
   302         esac
   303 
   304         [ "${CT_TOOLCHAIN_ENABLE_NLS}" != "y" ] &&    \
   305         native_extra_config+=("--disable-nls")
   306 
   307         if [ "${CT_GDB_NATIVE_STATIC}" = "y" ]; then
   308             CC_for_gdb="${CT_TARGET}-gcc -static"
   309             LD_for_gdb="${CT_TARGET}-ld -static"
   310         else
   311             CC_for_gdb="${CT_TARGET}-gcc"
   312             LD_for_gdb="${CT_TARGET}-ld"
   313         fi
   314 
   315         export ac_cv_func_strncmp_works=yes
   316 
   317         CT_DoLog DEBUG "Extra config passed: '${native_extra_config[*]}'"
   318 
   319         CT_DoExecLog CFG                                \
   320         CC="${CC_for_gdb}"                              \
   321         LD="${LD_for_gdb}"                              \
   322         CFLAGS="${gdb_native_CFLAGS[*]}"                \
   323         "${gdb_src_dir}/configure"                      \
   324             --build=${CT_BUILD}                         \
   325             --host=${CT_TARGET}                         \
   326             --target=${CT_TARGET}                       \
   327             --prefix=/usr                               \
   328             --with-build-sysroot="${CT_SYSROOT_DIR}"    \
   329             --without-uiout                             \
   330             --disable-tui                               \
   331             --disable-gdbtk                             \
   332             --without-x                                 \
   333             --disable-sim                               \
   334             --disable-werror                            \
   335             --without-included-gettext                  \
   336             --without-develop                           \
   337             "${native_extra_config[@]}"
   338 
   339         CT_DoLog EXTRA "Building native gdb"
   340         CT_DoExecLog ALL make ${JOBSFLAGS} CC=${CT_TARGET}-${CT_CC}
   341 
   342         CT_DoLog EXTRA "Installing native gdb"
   343         CT_DoExecLog ALL make DESTDIR="${CT_DEBUGROOT_DIR}" install
   344 
   345         # Building a native gdb also builds a gdbserver
   346         find "${CT_DEBUGROOT_DIR}" -type f -name gdbserver -exec rm -fv {} \; 2>&1 |CT_DoLog ALL
   347 
   348         unset ac_cv_func_strncmp_works
   349 
   350         CT_EndStep # native gdb build
   351     fi
   352 
   353     if [ "${CT_GDB_GDBSERVER}" = "y" ]; then
   354         local -a gdbserver_extra_config
   355 
   356         CT_DoStep INFO "Installing gdbserver"
   357         CT_DoLog EXTRA "Configuring gdbserver"
   358 
   359         mkdir -p "${CT_BUILD_DIR}/build-gdb-gdbserver"
   360         cd "${CT_BUILD_DIR}/build-gdb-gdbserver"
   361 
   362         # Workaround for bad versions, where the configure
   363         # script for gdbserver is not executable...
   364         # Bah, GNU folks strike again... :-(
   365         chmod +x "${gdb_src_dir}/gdb/gdbserver/configure"
   366 
   367         gdbserver_LDFLAGS=
   368         if [ "${CT_GDB_GDBSERVER_STATIC}" = "y" ]; then
   369             gdbserver_LDFLAGS=-static
   370         fi
   371 
   372         gdbserver_extra_config=("${extra_config[@]}")
   373 
   374         if [ "${CT_GDB_GDBSERVER_HAS_IPA_LIB}" = "y" ]; then
   375             if [ "${CT_GDB_GDBSERVER_BUILD_IPA_LIB}" = "y" ]; then
   376                 gdbserver_extra_config+=( --enable-inprocess-agent )
   377             else
   378                 gdbserver_extra_config+=( --disable-inprocess-agent )
   379             fi
   380         fi
   381 
   382         CT_DoExecLog CFG                                \
   383         LDFLAGS="${gdbserver_LDFLAGS}"                  \
   384         "${gdb_src_dir}/gdb/gdbserver/configure"        \
   385             --build=${CT_BUILD}                         \
   386             --host=${CT_TARGET}                         \
   387             --target=${CT_TARGET}                       \
   388             --prefix=/usr                               \
   389             --sysconfdir=/etc                           \
   390             --localstatedir=/var                        \
   391             --includedir="${CT_HEADERS_DIR}"            \
   392             --with-build-sysroot="${CT_SYSROOT_DIR}"    \
   393             --program-prefix=                           \
   394             --without-uiout                             \
   395             --disable-tui                               \
   396             --disable-gdbtk                             \
   397             --without-x                                 \
   398             --without-included-gettext                  \
   399             --without-develop                           \
   400             --disable-werror                            \
   401             "${gdbserver_extra_config[@]}"
   402 
   403         CT_DoLog EXTRA "Building gdbserver"
   404         CT_DoExecLog ALL make ${JOBSFLAGS} CC=${CT_TARGET}-${CT_CC}
   405 
   406         CT_DoLog EXTRA "Installing gdbserver"
   407         CT_DoExecLog ALL make DESTDIR="${CT_DEBUGROOT_DIR}" install
   408 
   409         CT_EndStep
   410     fi
   411 }
   412 
   413 # Build libexpat
   414 #   Parameter     : description               : type      : default
   415 #   host          : machine to run on         : tuple     : (none)
   416 #   prefix        : prefix to install into    : dir       : (none)
   417 #   cflags        : cflags to use             : string    : (empty)
   418 #   ldflags       : ldflags to use            : string    : (empty)
   419 do_gdb_expat_backend() {
   420     local host
   421     local prefix
   422     local cflags
   423     local ldflags
   424     local arg
   425 
   426     for arg in "$@"; do
   427         eval "${arg// /\\ }"
   428     done
   429 
   430     CT_DoExecLog CFG                                                \
   431     "${CT_SRC_DIR}/expat-${CT_DEBUG_GDB_EXPAT_VERSION}/configure"   \
   432         --build=${CT_BUILD}                                         \
   433         --host=${host}                                              \
   434         --prefix="${prefix}"                                        \
   435         --enable-static                                             \
   436         --disable-shared
   437 
   438     CT_DoExecLog ALL make ${JOBSFLAGS}
   439     CT_DoExecLog ALL make install
   440 }