configure.ac

   1 -*- mode: m4 -*-
   2 AC_PREREQ([2.68])
   3
   4 # The version of python used is determined by the executable pointed to by the
   5 # --with-python switch, or if that's not set, by the PYTHON environment
   6 # variable.  For instance if your system installs Python 3 as python3 to
   7 # configure to compile pygobject under Python 3 you would do this:
   8 #   $ ./configure --with-python=python3
   9 # or
  10 #   $ PYTHON=python3 ./configure
  11 #
  12 # You can also build against a full interpreter path, such as
  13 #   $ ./configure --with-python=~/my-patched-python/python
  14
  15 m4_define(python_min_ver, 2.7)
  16 m4_define(python3_min_ver, 3.1)
  17
  18 dnl the pygobject version number
  19 m4_define(pygobject_major_version, 3)
  20 m4_define(pygobject_minor_version, 19)
  21 m4_define(pygobject_micro_version, 3)
  22 m4_define(pygobject_version, pygobject_major_version.pygobject_minor_version.pygobject_micro_version)
  23
  24 dnl versions of packages we require ...
  25 m4_define(introspection_required_version, 1.46.0)
  26 m4_define(py2cairo_required_version, 1.2.0)
  27 m4_define(py3cairo_required_version, 1.10.0)
  28 m4_define(glib_required_version, 2.38.0)
  29 m4_define(gio_required_version, 2.38.0)
  30
  31 AC_INIT([pygobject],[pygobject_version],
  32         [http://bugzilla.gnome.org/enter_bug.cgi?product=pygobject],
  33         [pygobject],[https://wiki.gnome.org/Projects/PyGObject/])
  34 AC_SUBST(ACLOCAL_AMFLAGS, "-I m4 -I .")
  35 AC_CONFIG_MACRO_DIR([m4])
  36 AC_CONFIG_SRCDIR([gi/gimodule.c])
  37
  38 AC_DEFINE(PYGOBJECT_MAJOR_VERSION, pygobject_major_version, [pygobject major version])
  39 AC_SUBST(PYGOBJECT_MAJOR_VERSION, pygobject_major_version)
  40 AC_DEFINE(PYGOBJECT_MINOR_VERSION, pygobject_minor_version, [pygobject minor version])
  41 AC_SUBST(PYGOBJECT_MINOR_VERSION, pygobject_minor_version)
  42 AC_DEFINE(PYGOBJECT_MICRO_VERSION, pygobject_micro_version, [pygobject micro version])
  43 AC_SUBST(PYGOBJECT_MICRO_VERSION, pygobject_micro_version)
  44
  45 AC_CONFIG_HEADERS(config.h)
  46 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES(yes)])
  47 # 1.12.6 to get a py-compile supporting newer Python 3 versions.
  48 # See https://debbugs.gnu.org/cgi/bugreport.cgi?bug=8847
  49 AM_INIT_AUTOMAKE([1.12.6 foreign no-dist-gzip dist-xz])
  50
  51 dnl put the ACLOCAL flags in the makefile
  52 ACLOCAL="$ACLOCAL $ACLOCAL_FLAGS"
  53
  54 AC_CANONICAL_BUILD
  55 AC_CANONICAL_HOST
  56 AC_MSG_CHECKING([for build time linking with Python (Darwin and Win32)])
  57 case "$host" in
  58   *-*-mingw*|*-*-cygwin*)
  59     os_win32=yes
  60     link_python_libs=yes
  61     OS_EXT=dll
  62     ;;
  63   *-*-darwin*)
  64     os_win32=no
  65     link_python_libs=yes
  66     OS_EXT=dylib
  67     ;;
  68   *)
  69     os_win32=no
  70     link_python_libs=no
  71     OS_EXT=so
  72     ;;
  73 esac
  74 AC_MSG_RESULT([$link_python_libs])
  75 AM_CONDITIONAL(OS_WIN32, test "$os_win32" = "yes")
  76
  77 AC_SUBST(OS_EXT)
  78 AC_DEFINE_UNQUOTED(OS_EXT, "$OS_EXT", [Define shared library extension])
  79
  80 LT_PREREQ([2.2.6])
  81 LT_INIT([dlopen win32-dll disable-static])
  82
  83 AC_SEARCH_LIBS([strerror],[cposix])
  84 AC_PROG_CC
  85 AM_PROG_CC_C_O
  86
  87 # option to specify python interpreter to use; this just sets $PYTHON, so that
  88 # we will fallback to reading $PYTHON if --with-python is not given, and
  89 # python.m4 will get the expected input
  90 AC_ARG_WITH(python,
  91   AS_HELP_STRING([--with-python=PATH],[Path to Python interpreter; searches $PATH if only a program name is given; if not given, searches for a few standard names such as "python3" or "python2"]),
  92   [PYTHON="$withval"], [])
  93 if test x"$PYTHON" = xyes; then
  94         AC_MSG_ERROR([--with-python option requires a path or program argument])
  95 fi
  96 if test -n "$PYTHON" && ! which "$PYTHON"; then
  97         AC_MSG_ERROR([Python interpreter $PYTHON does not exist])
  98 fi
  99
 100 # check that we have the minimum version of python necessary to build
 101 JD_PATH_PYTHON(python_min_ver)
 102
 103 # check if we are building for python 3
 104 AM_PYTHON_CHECK_VERSION([$PYTHON], [3.0],
 105                          build_py3k=true,
 106                          build_py3k=false)
 107
 108 # if building for python 3 make sure we have the minimum version supported
 109 if test $build_py3k = true ; then
 110   AC_MSG_CHECKING([for $PYTHON >=] python3_min_ver)
 111   AM_PYTHON_CHECK_VERSION([$PYTHON], python3_min_ver,
 112                           [AC_MSG_RESULT(yes)],
 113                           [AC_MSG_ERROR(too old)])
 114 fi
 115
 116 # - 'SO' for PyPy, CPython 2.7-3.2
 117 # - 'EXT_SUFFIX' for CPython3.3+ (http://bugs.python.org/issue16754)
 118 # - fallback to '.so'
 119 PYTHON_SO=`$PYTHON -c "import distutils.sysconfig, sys; get = distutils.sysconfig.get_config_var; sys.stdout.write(get('EXT_SUFFIX') or get('SO') or '.so');"`
 120 AC_SUBST(PYTHON_SO)
 121
 122 AM_CHECK_PYTHON_HEADERS(, AC_MSG_ERROR([Python headers not found]))
 123 if test "x$link_python_libs" = "xyes"; then
 124   AM_CHECK_PYTHON_LIBS(, AC_MSG_ERROR([Python libs not found. Windows and Darwin require Python modules to be explicitly linked to libpython.]))
 125 fi
 126
 127 AC_MSG_CHECKING([for PySignal_SetWakeupFd in Python.h])
 128 old_CPPFLAGS=$CPPFLAGS
 129 CPPFLAGS="-Wall -Werror $PYTHON_INCLUDES"
 130 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <Python.h>]], [[PySignal_SetWakeupFd(0);]])],
 131                   [setwakeupfd_ok=yes],[setwakeupfd_ok=no])
 132 AC_MSG_RESULT($setwakeupfd_ok)
 133 if test "x$setwakeupfd_ok" != xno; then
 134   AC_DEFINE(HAVE_PYSIGNAL_SETWAKEUPFD, 1,
 135                 [Define to 1 if PySignal_SetWakeupFd is available])
 136 fi
 137 CPPFLAGS=$old_CPPFLAGS
 138
 139 PLATFORM=`$PYTHON -c "import sys; from distutils import util; sys.stdout.write(util.get_platform())"`
 140 AC_SUBST(PLATFORM)
 141
 142 AC_ARG_ENABLE(thread,
 143   AS_HELP_STRING([--disable-thread],[Disable pygobject threading support]),,
 144   enable_thread=yes)
 145
 146 AM_CHECK_PYMOD(thread,,,enable_thread=check_for_py3_module)
 147 if test "x$enable_thread" = xcheck_for_py3_module; then
 148   dnl Python 3 uses the _thread module so check for that
 149   AM_CHECK_PYMOD(_thread,,enable_thread=yes,enable_thread=no)
 150 fi
 151
 152 AC_MSG_CHECKING(whether to enable threading in pygobject)
 153 if test "x$enable_thread" != xno; then
 154   extra_mods=gthread
 155   THREADING_CFLAGS=
 156   AC_MSG_RESULT(yes)
 157 else
 158   extra_mods=
 159   THREADING_CFLAGS="-DDISABLE_THREADING"
 160   AC_MSG_RESULT(no)
 161 fi
 162 AC_SUBST(THREADING_CFLAGS)
 163 CPPFLAGS="${CPPFLAGS} $THREADING_CFLAGS"
 164
 165 dnl get rid of the -export-dynamic stuff from the configure flags ...
 166 export_dynamic=`(./libtool --config; echo eval echo \\$export_dynamic_flag_spec) | sh`
 167
 168 dnl glib
 169 AM_PATH_GLIB_2_0(glib_required_version,,[AC_MSG_ERROR(maybe you want the pygobject-2-4 branch?)],gobject $extra_mods)
 170 if test -n "$export_dynamic"; then
 171   GLIB_LIBS=`echo $GLIB_LIBS | sed -e "s/$export_dynamic//"`
 172 fi
 173 PYTHON_BASENAME=`basename $PYTHON`
 174 AC_SUBST([PYTHON_BASENAME])
 175
 176 AS_AC_EXPAND(DATADIR, $datadir)
 177
 178 dnl libffi
 179 PKG_CHECK_MODULES(FFI, libffi >= 3.0)
 180 LIBFFI_PC=libffi
 181
 182 AC_SUBST(FFI_CFLAGS)
 183 AC_SUBST(FFI_LIBS)
 184 AC_SUBST(LIBFFI_PC)
 185
 186 dnl gio
 187 PKG_CHECK_MODULES(GIO, gio-2.0 >= gio_required_version)
 188
 189 AC_ARG_ENABLE(cairo,
 190     AS_HELP_STRING([--enable-cairo],[Enable Cairo bindings using introspection information]),
 191     enable_cairo=$enableval,
 192     enable_cairo=yes)
 193
 194 PKG_CHECK_MODULES(GI,
 195     glib-2.0 >= glib_required_version
 196     gobject-introspection-1.0 >= introspection_required_version
 197 )
 198
 199 GI_DATADIR=$($PKG_CONFIG --variable=gidatadir gobject-introspection-1.0)
 200 AC_SUBST(GI_DATADIR)
 201
 202 if test "$enable_cairo" != no; then
 203     PKG_CHECK_MODULES(CAIRO, cairo cairo-gobject)
 204
 205     if test $build_py3k = true; then
 206         PKG_CHECK_MODULES(PYCAIRO,
 207             py3cairo >= py3cairo_required_version
 208         )
 209     else
 210         PKG_CHECK_MODULES(PYCAIRO,
 211             pycairo >= py2cairo_required_version
 212         )
 213     fi
 214 fi
 215 AM_CONDITIONAL(ENABLE_CAIRO, test "$enable_cairo" = "yes")
 216
 217 AC_ARG_WITH(common,
 218     AS_HELP_STRING([--without-common],
 219         [For package maintainers: do not install Python version independent files]),
 220     with_common=$enableval,
 221     with_common=yes)
 222 AM_CONDITIONAL(WITH_COMMON, test "$with_common" = "yes")
 223
 224 INTROSPECTION_SCANNER=`$PKG_CONFIG --variable=g_ir_scanner gobject-introspection-1.0`
 225 INTROSPECTION_COMPILER=`$PKG_CONFIG --variable=g_ir_compiler gobject-introspection-1.0`
 226
 227 AC_SUBST(INTROSPECTION_SCANNER)
 228 AC_SUBST(INTROSPECTION_COMPILER)
 229
 230 # compiler warnings, errors, required cflags, and code coverage support
 231 GNOME_COMPILE_WARNINGS([maximum])
 232 AC_MSG_CHECKING(for Gnome code coverage support)
 233 m4_ifdef([GNOME_CODE_COVERAGE],
 234          [AC_MSG_RESULT(yes)
 235           GNOME_CODE_COVERAGE],
 236          [AC_MSG_RESULT(no)
 237           GNOME_CODE_COVERAGE_RULES=''
 238           AC_SUBST([GNOME_CODE_COVERAGE_RULES])
 239           enable_code_coverage="no"])
 240
 241 if test "x$GCC" = "xyes"; then
 242   JH_ADD_CFLAG([-Wall])
 243   JH_ADD_CFLAG([-Werror=unused-variable])
 244   JH_ADD_CFLAG([-fno-strict-aliasing])
 245   JH_ADD_CFLAG([-Werror=declaration-after-statement])
 246 fi
 247
 248 CFLAGS="$CFLAGS $WARN_CFLAGS $CODE_COVERAGE_CFLAGS"
 249 LDFLAGS="$LDFLAGS $CODE_COVERAGE_CFLAGS"
 250
 251 AC_CONFIG_FILES(
 252   Makefile
 253   pygobject-3.0.pc
 254   pygobject-3.0-uninstalled.pc
 255   gi/Makefile
 256   gi/repository/Makefile
 257   gi/overrides/Makefile
 258   gi/_gobject/Makefile
 259   examples/Makefile
 260   tests/Makefile
 261   pygtkcompat/Makefile
 262   PKG-INFO)
 263 AC_OUTPUT
 264
 265 AC_MSG_RESULT([
 266         pygobject $VERSION
 267
 268         Using python interpreter:       $PYTHON
 269         cairo support:                  $enable_cairo
 270         thread support:                 $enable_thread
 271         code coverage support:          $enable_code_coverage
 272 ])
 273