1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
|
## this one is commonly used with AM_PATH_PYTHONDIR ...
dnl AM_CHECK_PYMOD(MODNAME [,SYMBOL [,ACTION-IF-FOUND [,ACTION-IF-NOT-FOUND]]])
dnl Check if a module containing a given symbol is visible to python.
AC_DEFUN([AM_CHECK_PYMOD],
[AC_REQUIRE([AM_PATH_PYTHON])
py_mod_var=`echo $1['_']$2 | sed 'y%./+-%__p_%'`
AC_MSG_CHECKING(for ifelse([$2],[],,[$2 in ])python module $1)
AC_CACHE_VAL(py_cv_mod_$py_mod_var, [
ifelse([$2],[], [prog="
import sys
try:
import $1
except ImportError:
sys.exit(1)
except:
sys.exit(0)
sys.exit(0)"], [prog="
import $1
$1.$2"])
if $PYTHON -c "$prog" 1>&AC_FD_CC 2>&AC_FD_CC
then
eval "py_cv_mod_$py_mod_var=yes"
else
eval "py_cv_mod_$py_mod_var=no"
fi
])
py_val=`eval "echo \`echo '$py_cv_mod_'$py_mod_var\`"`
if test "x$py_val" != xno; then
AC_MSG_RESULT(yes)
ifelse([$3], [],, [$3
])dnl
else
AC_MSG_RESULT(no)
ifelse([$4], [],, [$4
])dnl
fi
])
dnl a macro to check for ability to create python extensions
dnl AM_CHECK_PYTHON_HEADERS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
dnl function also defines PYTHON_INCLUDES
AC_DEFUN([AM_CHECK_PYTHON_HEADERS],
[AC_REQUIRE([AM_PATH_PYTHON])
AC_MSG_CHECKING(for headers required to compile python extensions)
dnl deduce PYTHON_INCLUDES
py_prefix=`$PYTHON -c "import sys; print(sys.prefix)"`
py_exec_prefix=`$PYTHON -c "import sys; print(sys.exec_prefix)"`
if $PYTHON-config --help 1>/dev/null 2>/dev/null; then
PYTHON_INCLUDES=`$PYTHON-config --includes 2>/dev/null`
if $PYTHON-config --abiflags 1>/dev/null 2>/dev/null; then
PYTHON_ABI_FLAGS=`$PYTHON-config --abiflags 2>/dev/null`
else
PYTHON_ABI_FLAGS=
fi
else
PYTHON_INCLUDES="-I${py_prefix}/include/python${PYTHON_VERSION}"
if test "$py_prefix" != "$py_exec_prefix"; then
PYTHON_INCLUDES="$PYTHON_INCLUDES -I${py_exec_prefix}/include/python${PYTHON_VERSION}"
fi
fi
AC_SUBST(PYTHON_INCLUDES)
dnl check if the headers exist:
save_CPPFLAGS="$CPPFLAGS"
CPPFLAGS="$CPPFLAGS $PYTHON_INCLUDES"
AC_TRY_CPP([#include <Python.h>],dnl
[AC_MSG_RESULT(found)
$1],dnl
[AC_MSG_RESULT(not found)
$2])
CPPFLAGS="$save_CPPFLAGS"
])
dnl a macro to check for ability to embed python
dnl AM_CHECK_PYTHON_LIBS([ACTION-IF-POSSIBLE], [ACTION-IF-NOT-POSSIBLE])
dnl function also defines PYTHON_LIBS
AC_DEFUN([AM_CHECK_PYTHON_LIBS],
[AC_REQUIRE([AM_CHECK_PYTHON_HEADERS])
AC_MSG_CHECKING(for libraries required to embed python)
dnl deduce PYTHON_LIBS
if $PYTHON-config --help 1>/dev/null 2>/dev/null; then
PYTHON_LIBS=`$PYTHON-config --ldflags 2>/dev/null`
PYTHON_LIB=`$PYTHON -c "import distutils.sysconfig as s; print(s.get_python_lib(standard_lib=1))"`
if echo "$host_os" | grep darwin >/dev/null 2>&1; then
dnl OSX is a pain. Python as shipped by apple installs libpython in /usr/lib
dnl so we hardcode that. Other systems can use --with-libpython-dir to
dnl overrid this.
PYTHON_LIB_LOC=/usr/lib
else
PYTHON_LIB_LOC=$PYTHON_LIB/config
# default to prefix/lib for distros that don't have a link in
# .../pythonX.Y/config/
if test ! -e $PYTHON_LIB_LOC/libpython${PYTHON_VERSION}${PYTHON_ABI_FLAGS}.so; then
if test -e ${py_prefix}/lib64/libpython${PYTHON_VERSION}${PYTHON_ABI_FLAGS}.so; then
PYTHON_LIB_LOC=${py_prefix}/lib64
else
PYTHON_LIB_LOC=${py_prefix}/lib
fi
fi
fi
else
PYTHON_LIBS="-L${py_prefix}/lib -lpython${PYTHON_VERSION}"
PYTHON_LIB_LOC="${py_prefix}/lib"
fi
AC_ARG_WITH([libpython-dir],
AS_HELP_STRING([--with-libpython-dir], [the directory containing libpython${PYTHON_VERSION}]),
[
PYTHON_LIB_LOC=`echo "$withval" | sed -e 's/\/$//g'`
]
)
if echo "$host_os" | grep darwin >/dev/null 2>&1; then
dnl workaround libtool brokenness under OSX
PYTHON_LIB_SUFFIX=\\\"dylib\\\"
else
PYTHON_LIB_SUFFIX=G_MODULE_SUFFIX
fi
AC_SUBST(PYTHON_LIBS)
AC_SUBST(PYTHON_LIB_LOC)
AC_SUBST(PYTHON_ABI_FLAGS)
AC_SUBST(PYTHON_LIB_SUFFIX)
dnl check if the headers exist:
save_LIBS="$LIBS"
LIBS="$LIBS $PYTHON_LIBS"
AC_TRY_LINK_FUNC(Py_Initialize, dnl
[LIBS="$save_LIBS"; AC_MSG_RESULT(yes); $1], dnl
[LIBS="$save_LIBS"; AC_MSG_RESULT(no); $2])
])
|
