package/gdb/gdb.mk

   1 ################################################################################
   2 #
   3 # gdb
   4 #
   5 ################################################################################
   6
   7 GDB_VERSION = $(call qstrip,$(BR2_GDB_VERSION))
   8 GDB_SITE = $(BR2_GNU_MIRROR)/gdb
   9 GDB_SOURCE = gdb-$(GDB_VERSION).tar.xz
  10
  11 ifeq ($(BR2_arc),y)
  12 GDB_SITE = $(call github,foss-for-synopsys-dwc-arc-processors,binutils-gdb,$(GDB_VERSION))
  13 GDB_SOURCE = gdb-$(GDB_VERSION).tar.gz
  14 GDB_FROM_GIT = y
  15 endif
  16
  17 GDB_LICENSE = GPL-2.0+, LGPL-2.0+, GPL-3.0+, LGPL-3.0+
  18 GDB_LICENSE_FILES = COPYING COPYING.LIB COPYING3 COPYING3.LIB
  19
  20 # We only want gdbserver and not the entire debugger.
  21 ifeq ($(BR2_PACKAGE_GDB_DEBUGGER),)
  22 GDB_SUBDIR = gdb/gdbserver
  23 HOST_GDB_SUBDIR = .
  24 else
  25 GDB_DEPENDENCIES = ncurses \
  26         $(if $(BR2_PACKAGE_LIBICONV),libiconv)
  27 endif
  28
  29 # For the host variant, we really want to build with XML support,
  30 # which is needed to read XML descriptions of target architectures. We
  31 # also need ncurses.
  32 HOST_GDB_DEPENDENCIES = host-expat host-ncurses
  33
  34 # Disable building documentation
  35 GDB_MAKE_OPTS += MAKEINFO=true
  36 GDB_INSTALL_TARGET_OPTS += MAKEINFO=true DESTDIR=$(TARGET_DIR) install
  37 HOST_GDB_MAKE_OPTS += MAKEINFO=true
  38 HOST_GDB_INSTALL_OPTS += MAKEINFO=true install
  39
  40 # Apply the Xtensa specific patches
  41 ifneq ($(ARCH_XTENSA_OVERLAY_FILE),)
  42 define GDB_XTENSA_OVERLAY_EXTRACT
  43         $(call arch-xtensa-overlay-extract,$(@D),gdb)
  44 endef
  45 GDB_POST_EXTRACT_HOOKS += GDB_XTENSA_OVERLAY_EXTRACT
  46 GDB_EXTRA_DOWNLOADS += $(ARCH_XTENSA_OVERLAY_URL)
  47 HOST_GDB_POST_EXTRACT_HOOKS += GDB_XTENSA_OVERLAY_EXTRACT
  48 HOST_GDB_EXTRA_DOWNLOADS += $(ARCH_XTENSA_OVERLAY_URL)
  49 endif
  50
  51 ifeq ($(GDB_FROM_GIT),y)
  52 GDB_DEPENDENCIES += host-flex host-bison
  53 HOST_GDB_DEPENDENCIES += host-flex host-bison
  54 endif
  55
  56 # When gdb sources are fetched from the binutils-gdb repository, they
  57 # also contain the binutils sources, but binutils shouldn't be built,
  58 # so we disable it.
  59 GDB_DISABLE_BINUTILS_CONF_OPTS = \
  60         --disable-binutils \
  61         --disable-ld \
  62         --disable-gas
  63
  64 GDB_CONF_ENV = \
  65         ac_cv_type_uintptr_t=yes \
  66         gt_cv_func_gettext_libintl=yes \
  67         ac_cv_func_dcgettext=yes \
  68         gdb_cv_func_sigsetjmp=yes \
  69         bash_cv_func_strcoll_broken=no \
  70         bash_cv_must_reinstall_sighandlers=no \
  71         bash_cv_func_sigsetjmp=present \
  72         bash_cv_have_mbstate_t=yes \
  73         gdb_cv_func_sigsetjmp=yes
  74
  75 # Starting with gdb 7.11, the bundled gnulib tries to use
  76 # rpl_gettimeofday (gettimeofday replacement) due to the code being
  77 # unable to determine if the replacement function should be used or
  78 # not when cross-compiling with uClibc or musl as C libraries. So use
  79 # gl_cv_func_gettimeofday_clobber=no to not use rpl_gettimeofday,
  80 # assuming musl and uClibc have a properly working gettimeofday
  81 # implementation. It needs to be passed to GDB_CONF_ENV to build
  82 # gdbserver only but also to GDB_MAKE_ENV, because otherwise it does
  83 # not get passed to the configure script of nested packages while
  84 # building gdbserver with full debugger.
  85 GDB_CONF_ENV += gl_cv_func_gettimeofday_clobber=no
  86 GDB_MAKE_ENV += gl_cv_func_gettimeofday_clobber=no
  87
  88 # Starting with glibc 2.25, the proc_service.h header has been copied
  89 # from gdb to glibc so other tools can use it. However, that makes it
  90 # necessary to make sure that declaration of prfpregset_t declaration
  91 # is consistent between gdb and glibc. In gdb, however, there is a
  92 # workaround for a broken prfpregset_t declaration in glibc 2.3 which
  93 # uses AC_TRY_RUN to detect if it's needed, which doesn't work in
  94 # cross-compilation. So pass the cache option to configure.
  95 # It needs to be passed to GDB_CONF_ENV to build gdbserver only but
  96 # also to GDB_MAKE_ENV, because otherwise it does not get passed to the
  97 # configure script of nested packages while building gdbserver with full
  98 # debugger.
  99 GDB_CONF_ENV += gdb_cv_prfpregset_t_broken=no
 100 GDB_MAKE_ENV += gdb_cv_prfpregset_t_broken=no
 101
 102 # The shared only build is not supported by gdb, so enable static build for
 103 # build-in libraries with --enable-static.
 104 GDB_CONF_OPTS = \
 105         --without-uiout \
 106         --disable-gdbtk \
 107         --without-x \
 108         --disable-sim \
 109         $(GDB_DISABLE_BINUTILS_CONF_OPTS) \
 110         $(if $(BR2_PACKAGE_GDB_SERVER),--enable-gdbserver) \
 111         --with-curses \
 112         --without-included-gettext \
 113         --disable-werror \
 114         --enable-static
 115
 116 # When gdb is built as C++ application for ARC it segfaults at runtime
 117 # So we pass --disable-build-with-cxx config option to force gdb not to
 118 # be built as C++ app.
 119 ifeq ($(BR2_arc),y)
 120 GDB_CONF_OPTS += --disable-build-with-cxx
 121 endif
 122
 123 # gdb 7.12+ by default builds with a C++ compiler, which doesn't work
 124 # when we don't have C++ support in the toolchain
 125 ifneq ($(BR2_INSTALL_LIBSTDCPP),y)
 126 GDB_CONF_OPTS += --disable-build-with-cxx
 127 endif
 128
 129 ifeq ($(BR2_PACKAGE_GDB_TUI),y)
 130 GDB_CONF_OPTS += --enable-tui
 131 else
 132 GDB_CONF_OPTS += --disable-tui
 133 endif
 134
 135 ifeq ($(BR2_PACKAGE_GDB_PYTHON),y)
 136 GDB_CONF_OPTS += --with-python=$(TOPDIR)/package/gdb/gdb-python-config
 137 GDB_DEPENDENCIES += python
 138 else
 139 GDB_CONF_OPTS += --without-python
 140 endif
 141
 142 ifeq ($(BR2_PACKAGE_EXPAT),y)
 143 GDB_CONF_OPTS += --with-expat
 144 GDB_CONF_OPTS += --with-libexpat-prefix=$(STAGING_DIR)/usr
 145 GDB_DEPENDENCIES += expat
 146 else
 147 GDB_CONF_OPTS += --without-expat
 148 endif
 149
 150 ifeq ($(BR2_PACKAGE_XZ),y)
 151 GDB_CONF_OPTS += --with-lzma
 152 GDB_CONF_OPTS += --with-liblzma-prefix=$(STAGING_DIR)/usr
 153 GDB_DEPENDENCIES += xz
 154 else
 155 GDB_CONF_OPTS += --without-lzma
 156 endif
 157
 158 ifeq ($(BR2_PACKAGE_ZLIB),y)
 159 GDB_CONF_OPTS += --with-zlib
 160 GDB_DEPENDENCIES += zlib
 161 else
 162 GDB_CONF_OPTS += --without-zlib
 163 endif
 164
 165 # This removes some unneeded Python scripts and XML target description
 166 # files that are not useful for a normal usage of the debugger.
 167 define GDB_REMOVE_UNNEEDED_FILES
 168         $(RM) -rf $(TARGET_DIR)/usr/share/gdb
 169 endef
 170
 171 GDB_POST_INSTALL_TARGET_HOOKS += GDB_REMOVE_UNNEEDED_FILES
 172
 173 # This installs the gdbserver somewhere into the $(HOST_DIR) so that
 174 # it becomes an integral part of the SDK, if the toolchain generated
 175 # by Buildroot is later used as an external toolchain. We install it
 176 # in debug-root/usr/bin/gdbserver so that it matches what Crosstool-NG
 177 # does.
 178 define GDB_SDK_INSTALL_GDBSERVER
 179         $(INSTALL) -D -m 0755 $(TARGET_DIR)/usr/bin/gdbserver \
 180                 $(HOST_DIR)/$(GNU_TARGET_NAME)/debug-root/usr/bin/gdbserver
 181 endef
 182
 183 ifeq ($(BR2_PACKAGE_GDB_SERVER),y)
 184 GDB_POST_INSTALL_TARGET_HOOKS += GDB_SDK_INSTALL_GDBSERVER
 185 endif
 186
 187 # A few notes:
 188 #  * --target, because we're doing a cross build rather than a real
 189 #    host build.
 190 #  * --enable-static because gdb really wants to use libbfd.a
 191 HOST_GDB_CONF_OPTS = \
 192         --target=$(GNU_TARGET_NAME) \
 193         --enable-static \
 194         --without-uiout \
 195         --disable-gdbtk \
 196         --without-x \
 197         --enable-threads \
 198         --disable-werror \
 199         --without-included-gettext \
 200         --with-curses \
 201         $(GDB_DISABLE_BINUTILS_CONF_OPTS)
 202
 203 ifeq ($(BR2_PACKAGE_HOST_GDB_TUI),y)
 204 HOST_GDB_CONF_OPTS += --enable-tui
 205 else
 206 HOST_GDB_CONF_OPTS += --disable-tui
 207 endif
 208
 209 ifeq ($(BR2_PACKAGE_HOST_GDB_PYTHON),y)
 210 HOST_GDB_CONF_OPTS += --with-python=$(HOST_DIR)/bin/python2
 211 HOST_GDB_DEPENDENCIES += host-python
 212 else
 213 HOST_GDB_CONF_OPTS += --without-python
 214 endif
 215
 216 # workaround a bug if in-tree build is used for bfin sim
 217 define HOST_GDB_BFIN_SIM_WORKAROUND
 218         $(RM) $(@D)/sim/common/tconfig.h
 219 endef
 220
 221 ifeq ($(BR2_PACKAGE_HOST_GDB_SIM),y)
 222 HOST_GDB_CONF_OPTS += --enable-sim
 223 ifeq ($(BR2_bfin),y)
 224 HOST_GDB_PRE_CONFIGURE_HOOKS += HOST_GDB_BFIN_SIM_WORKAROUND
 225 endif
 226 else
 227 HOST_GDB_CONF_OPTS += --disable-sim
 228 endif
 229
 230 # legacy $arch-linux-gdb symlink
 231 define HOST_GDB_ADD_SYMLINK
 232         cd $(HOST_DIR)/bin && \
 233                 ln -snf $(GNU_TARGET_NAME)-gdb $(ARCH)-linux-gdb
 234 endef
 235
 236 HOST_GDB_POST_INSTALL_HOOKS += HOST_GDB_ADD_SYMLINK
 237
 238 HOST_GDB_POST_INSTALL_HOOKS += gen_gdbinit_file
 239
 240 $(eval $(autotools-package))
 241 $(eval $(host-autotools-package))