package/python/python.mk

   1 ################################################################################
   2 #
   3 # python
   4 #
   5 ################################################################################
   6
   7 PYTHON_VERSION_MAJOR = 2.7
   8 PYTHON_VERSION = $(PYTHON_VERSION_MAJOR).13
   9 PYTHON_SOURCE = Python-$(PYTHON_VERSION).tar.xz
  10 PYTHON_SITE = http://python.org/ftp/python/$(PYTHON_VERSION)
  11 PYTHON_LICENSE = Python software foundation license v2, others
  12 PYTHON_LICENSE_FILES = LICENSE
  13 PYTHON_LIBTOOL_PATCH = NO
  14
  15 # Python needs itself to be built, so in order to cross-compile
  16 # Python, we need to build a host Python first. This host Python is
  17 # also installed in $(HOST_DIR), as it is needed when cross-compiling
  18 # third-party Python modules.
  19
  20 HOST_PYTHON_CONF_OPTS +=        \
  21         --enable-static         \
  22         --without-cxx-main      \
  23         --disable-sqlite3       \
  24         --disable-tk            \
  25         --with-expat=system     \
  26         --disable-curses        \
  27         --disable-codecs-cjk    \
  28         --disable-nis           \
  29         --enable-unicodedata    \
  30         --disable-dbm           \
  31         --disable-gdbm          \
  32         --disable-bsddb         \
  33         --disable-test-modules  \
  34         --disable-bz2           \
  35         --disable-ssl           \
  36         --disable-ossaudiodev   \
  37         --disable-pyo-build
  38
  39 # Make sure that LD_LIBRARY_PATH overrides -rpath.
  40 # This is needed because libpython may be installed at the same time that
  41 # python is called.
  42 # Make python believe we don't have 'hg' and 'svn', so that it doesn't
  43 # try to communicate over the network during the build.
  44 HOST_PYTHON_CONF_ENV += \
  45         LDFLAGS="$(HOST_LDFLAGS) -Wl,--enable-new-dtags" \
  46         ac_cv_prog_HAS_HG=/bin/false \
  47         ac_cv_prog_SVNVERSION=/bin/false
  48
  49 # Building host python in parallel sometimes triggers a "Bus error"
  50 # during the execution of "./python setup.py build" in the
  51 # installation step. It is probably due to the installation of a
  52 # shared library taking place in parallel to the execution of
  53 # ./python, causing spurious Bus error. Building host-python with
  54 # MAKE1 has shown to workaround the problem.
  55 HOST_PYTHON_MAKE = $(MAKE1)
  56
  57 PYTHON_DEPENDENCIES = host-python libffi
  58
  59 HOST_PYTHON_DEPENDENCIES = host-expat host-zlib
  60
  61 PYTHON_INSTALL_STAGING = YES
  62
  63 ifeq ($(BR2_PACKAGE_GETTEXT),y)
  64 PYTHON_DEPENDENCIES += gettext
  65 endif
  66
  67 ifeq ($(BR2_PACKAGE_PYTHON_READLINE),y)
  68 PYTHON_DEPENDENCIES += readline
  69 else
  70 PYTHON_CONF_OPTS += --disable-readline
  71 endif
  72
  73 ifeq ($(BR2_PACKAGE_PYTHON_CURSES),y)
  74 PYTHON_DEPENDENCIES += ncurses
  75 else
  76 PYTHON_CONF_OPTS += --disable-curses
  77 endif
  78
  79 ifeq ($(BR2_PACKAGE_PYTHON_PYEXPAT),y)
  80 PYTHON_DEPENDENCIES += expat
  81 PYTHON_CONF_OPTS += --with-expat=system
  82 else
  83 PYTHON_CONF_OPTS += --with-expat=none
  84 endif
  85
  86 ifeq ($(BR2_PACKAGE_PYTHON_BSDDB),y)
  87 PYTHON_DEPENDENCIES += berkeleydb
  88 else
  89 PYTHON_CONF_OPTS += --disable-bsddb
  90 endif
  91
  92 ifeq ($(BR2_PACKAGE_PYTHON_SQLITE),y)
  93 PYTHON_DEPENDENCIES += sqlite
  94 else
  95 PYTHON_CONF_OPTS += --disable-sqlite3
  96 endif
  97
  98 ifeq ($(BR2_PACKAGE_PYTHON_SSL),y)
  99 PYTHON_DEPENDENCIES += openssl
 100 else
 101 PYTHON_CONF_OPTS += --disable-ssl
 102 endif
 103
 104 ifneq ($(BR2_PACKAGE_PYTHON_CODECSCJK),y)
 105 PYTHON_CONF_OPTS += --disable-codecs-cjk
 106 endif
 107
 108 ifneq ($(BR2_PACKAGE_PYTHON_UNICODEDATA),y)
 109 PYTHON_CONF_OPTS += --disable-unicodedata
 110 endif
 111
 112 # Default is UCS2 w/o a conf opt
 113 ifeq ($(BR2_PACKAGE_PYTHON_UCS4),y)
 114 # host-python must have the same UCS2/4 configuration as the target
 115 # python
 116 HOST_PYTHON_CONF_OPTS += --enable-unicode=ucs4
 117 PYTHON_CONF_OPTS += --enable-unicode=ucs4
 118 endif
 119
 120 ifeq ($(BR2_PACKAGE_PYTHON_BZIP2),y)
 121 PYTHON_DEPENDENCIES += bzip2
 122 else
 123 PYTHON_CONF_OPTS += --disable-bz2
 124 endif
 125
 126 ifeq ($(BR2_PACKAGE_PYTHON_ZLIB),y)
 127 PYTHON_DEPENDENCIES += zlib
 128 else
 129 PYTHON_CONF_OPTS += --disable-zlib
 130 endif
 131
 132 ifeq ($(BR2_PACKAGE_PYTHON_HASHLIB),y)
 133 PYTHON_DEPENDENCIES += openssl
 134 else
 135 PYTHON_CONF_OPTS += --disable-hashlib
 136 endif
 137
 138 ifeq ($(BR2_PACKAGE_PYTHON_OSSAUDIODEV),y)
 139 PYTHON_CONF_OPTS += --enable-ossaudiodev
 140 else
 141 PYTHON_CONF_OPTS += --disable-ossaudiodev
 142 endif
 143
 144 # Make python believe we don't have 'hg' and 'svn', so that it doesn't
 145 # try to communicate over the network during the build.
 146 PYTHON_CONF_ENV += \
 147         ac_cv_have_long_long_format=yes \
 148         ac_cv_file__dev_ptmx=yes \
 149         ac_cv_file__dev_ptc=yes \
 150         ac_cv_working_tzset=yes \
 151         ac_cv_prog_HAS_HG=/bin/false \
 152         ac_cv_prog_SVNVERSION=/bin/false
 153
 154 # GCC is always compliant with IEEE754
 155 ifeq ($(BR2_ENDIAN),"LITTLE")
 156 PYTHON_CONF_ENV += ac_cv_little_endian_double=yes
 157 else
 158 PYTHON_CONF_ENV += ac_cv_big_endian_double=yes
 159 endif
 160
 161 PYTHON_CONF_OPTS += \
 162         --without-cxx-main      \
 163         --without-doc-strings   \
 164         --with-system-ffi       \
 165         --disable-pydoc         \
 166         --disable-test-modules  \
 167         --disable-lib2to3       \
 168         --disable-gdbm          \
 169         --disable-tk            \
 170         --disable-nis           \
 171         --disable-dbm           \
 172         --disable-pyo-build     \
 173         --disable-pyc-build
 174
 175 # This is needed to make sure the Python build process doesn't try to
 176 # regenerate those files with the pgen program. Otherwise, it builds
 177 # pgen for the target, and tries to run it on the host.
 178
 179 define PYTHON_TOUCH_GRAMMAR_FILES
 180         touch $(@D)/Include/graminit.h $(@D)/Python/graminit.c
 181 endef
 182
 183 PYTHON_POST_PATCH_HOOKS += PYTHON_TOUCH_GRAMMAR_FILES
 184
 185 #
 186 # Remove useless files. In the config/ directory, only the Makefile
 187 # and the pyconfig.h files are needed at runtime.
 188 #
 189 # idle & smtpd.py have bad shebangs and are mostly samples
 190 #
 191 define PYTHON_REMOVE_USELESS_FILES
 192         rm -f $(TARGET_DIR)/usr/bin/python$(PYTHON_VERSION_MAJOR)-config
 193         rm -f $(TARGET_DIR)/usr/bin/python2-config
 194         rm -f $(TARGET_DIR)/usr/bin/python-config
 195         rm -f $(TARGET_DIR)/usr/bin/smtpd.py
 196         for i in `find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/config/ \
 197                 -type f -not -name pyconfig.h -a -not -name Makefile` ; do \
 198                 rm -f $$i ; \
 199         done
 200 endef
 201
 202 PYTHON_POST_INSTALL_TARGET_HOOKS += PYTHON_REMOVE_USELESS_FILES
 203
 204 #
 205 # Make sure libpython gets stripped out on target
 206 #
 207 define PYTHON_ENSURE_LIBPYTHON_STRIPPED
 208         chmod u+w $(TARGET_DIR)/usr/lib/libpython$(PYTHON_VERSION_MAJOR)*.so
 209 endef
 210
 211 PYTHON_POST_INSTALL_TARGET_HOOKS += PYTHON_ENSURE_LIBPYTHON_STRIPPED
 212
 213 # Always install the python symlink in the target tree
 214 define PYTHON_INSTALL_TARGET_PYTHON_SYMLINK
 215         ln -sf python2 $(TARGET_DIR)/usr/bin/python
 216 endef
 217
 218 PYTHON_POST_INSTALL_TARGET_HOOKS += PYTHON_INSTALL_TARGET_PYTHON_SYMLINK
 219
 220 # Always install the python-config symlink in the staging tree
 221 define PYTHON_INSTALL_STAGING_PYTHON_CONFIG_SYMLINK
 222         ln -sf python2-config $(STAGING_DIR)/usr/bin/python-config
 223 endef
 224
 225 PYTHON_POST_INSTALL_STAGING_HOOKS += PYTHON_INSTALL_STAGING_PYTHON_CONFIG_SYMLINK
 226
 227 PYTHON_AUTORECONF = YES
 228
 229 # Some packages may have build scripts requiring python2.
 230 # Only install the python symlink in the host tree if python3 is not enabled
 231 # for the target, otherwise the default python program may be missing.
 232 ifneq ($(BR2_PACKAGE_PYTHON3),y)
 233 define HOST_PYTHON_INSTALL_PYTHON_SYMLINK
 234         ln -sf python2 $(HOST_DIR)/usr/bin/python
 235         ln -sf python2-config $(HOST_DIR)/usr/bin/python-config
 236 endef
 237
 238 HOST_PYTHON_POST_INSTALL_HOOKS += HOST_PYTHON_INSTALL_PYTHON_SYMLINK
 239 endif
 240
 241 # Provided to other packages
 242 PYTHON_PATH = $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/sysconfigdata/:$(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)/site-packages/
 243
 244 $(eval $(autotools-package))
 245 $(eval $(host-autotools-package))
 246
 247 ifeq ($(BR2_REPRODUCIBLE),y)
 248 define PYTHON_FIX_TIME
 249         find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR) -name '*.py' -print0 | \
 250                 xargs -0 --no-run-if-empty touch -d @$(SOURCE_DATE_EPOCH)
 251 endef
 252 endif
 253
 254 define PYTHON_CREATE_PYC_FILES
 255         $(PYTHON_FIX_TIME)
 256         PYTHONPATH="$(PYTHON_PATH)" \
 257         $(HOST_DIR)/usr/bin/python$(PYTHON_VERSION_MAJOR) \
 258                 support/scripts/pycompile.py $(if $(BR2_REPRODUCIBLE),--force) \
 259                 $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR)
 260 endef
 261
 262 ifeq ($(BR2_PACKAGE_PYTHON_PYC_ONLY)$(BR2_PACKAGE_PYTHON_PY_PYC),y)
 263 PYTHON_TARGET_FINALIZE_HOOKS += PYTHON_CREATE_PYC_FILES
 264 endif
 265
 266 ifeq ($(BR2_PACKAGE_PYTHON_PYC_ONLY),y)
 267 define PYTHON_REMOVE_PY_FILES
 268         find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR) -name '*.py' -print0 | \
 269                 xargs -0 --no-run-if-empty rm -f
 270 endef
 271 PYTHON_TARGET_FINALIZE_HOOKS += PYTHON_REMOVE_PY_FILES
 272 endif
 273
 274 # Normally, *.pyc files should not have been compiled, but just in
 275 # case, we make sure we remove all of them.
 276 ifeq ($(BR2_PACKAGE_PYTHON_PY_ONLY),y)
 277 define PYTHON_REMOVE_PYC_FILES
 278         find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR) -name '*.pyc' -print0 | \
 279                 xargs -0 --no-run-if-empty rm -f
 280 endef
 281 PYTHON_TARGET_FINALIZE_HOOKS += PYTHON_REMOVE_PYC_FILES
 282 endif
 283
 284 # In all cases, we don't want to keep the optimized .pyo files
 285 define PYTHON_REMOVE_PYO_FILES
 286         find $(TARGET_DIR)/usr/lib/python$(PYTHON_VERSION_MAJOR) -name '*.pyo' -print0 | \
 287                 xargs -0 --no-run-if-empty rm -f
 288 endef
 289 PYTHON_TARGET_FINALIZE_HOOKS += PYTHON_REMOVE_PYO_FILES