-# Copyright 2012, 2013 Brandon Invergo <brandon@invergo.net>
+# Copyright 2012, 2013, 2014 Brandon Invergo <brandon@invergo.net>
#
# This file is part of pyconfigure. This program is free
# software; you can redistribute it and/or modify it under the
AC_DEFUN([AC_LANG_COMPILER(Python)],
-[AC_REQUIRE([AC_PROG_PYTHON])])
+[AC_REQUIRE([PC_PROG_PYTHON])])
-# PC_INIT([MIN_VER], [MAX_VER])
+# PC_INIT([MIN-VERSION], [MAX-VERSION])
# -----------------------------
# Initialize pyconfigure, finding a Python interpreter with a given
# minimum and/or maximum version.
AC_DEFUN([PC_INIT],
-[AC_ARG_VAR([PYTHON], [the Python interpreter])
-dnl The default minimum version is 2.0
-m4_define_default([pc_min_ver], m4_ifval([$1], [$1], [2.0]))
-dnl The default maximum version is 3.3
-m4_define_default([pc_max_ver], m4_ifval([$2], [$2], [3.3]))
-dnl Build up a list of possible interpreter names.
-m4_define_default([_PC_PYTHON_INTERPRETER_LIST],
-dnl Construct a comma-separated list of interpreter names (python2.6,
-dnl python2.7, etc). We only care about the first 3 characters of the
-dnl version strings (major-dot-minor; not
-dnl major-dot-minor-dot-bugfix[-dot-whatever])
- [m4_foreach([pc_ver],
- m4_esyscmd_s(seq -s[[", "]] -f["[[%.1f]]"] m4_substr(pc_max_ver, [0], [3]) -0.1 m4_substr(pc_min_ver, [0], [3])),
-dnl Remove python2.8 and python2.9 since they will never exist
- [m4_bmatch(pc_ver, [2.[89]], [], [python]pc_ver)] ) \
-dnl If we want some Python 3 versions (max version >= 3.0),
-dnl also search for "python3"
-m4_if(m4_version_compare(pc_max_ver, [2.9]), [1], [python3], []) \
-dnl If we want some Python 2 versions (min version <= 2.7),
-dnl also search for "python2". Finally, also search for plain ol' "python"
-m4_if(m4_version_compare(pc_min_ver, [2.8]), [-1], [python2], []) [python]])
-dnl Do the actual search at last.
-AC_PATH_PROGS(PYTHON, [_PC_PYTHON_INTERPRETER_LIST])
+[PC_PROG_PYTHON([], [$1], [$2])
dnl If we found something, do a sanity check that the interpreter really
dnl has the version its name would suggest.
m4_ifval([PYTHON],
- [PC_PYTHON_VERIFY_VERSION([>=], [pc_min_ver],
- [AC_MSG_RESULT([yes])],
+ [PC_PYTHON_VERIFY_VERSION([>=], [pc_min_ver], [],
[AC_MSG_FAILURE([No compatible Python interpreter found. If you're sure that you have one, try setting the PYTHON environment variable to the location of the interpreter.])])])
m4_ifval([PYTHON],
- [PC_PYTHON_VERIFY_VERSION([<=], [pc_max_ver],
- [AC_MSG_RESULT([yes])],
+ [PC_PYTHON_VERIFY_VERSION([<=], [pc_max_ver], [],
[AC_MSG_FAILURE([No compatible Python interpreter found. If you're sure that you have one, try setting the PYTHON environment variable to the location of the interpreter.])])])
])# PC_INIT
-# AC_PROG_PYTHON(PROG-TO-CHECK-FOR)
+# PC_PROG_PYTHON([PROG-TO-CHECK-FOR], [MIN-VERSION], [MAX-VERSION])
# ---------------------------------
# Find a Python interpreter. Python versions prior to 2.0 are not
# supported. (2.0 was released on October 16, 2000).
-AC_DEFUN([AC_PROG_PYTHON],
+AC_DEFUN_ONCE([PC_PROG_PYTHON],
[AC_ARG_VAR([PYTHON], [the Python interpreter])
+dnl The default minimum version is 2.0
+m4_define_default([pc_min_ver], m4_ifval([$2], [$2], [2.0]))
+dnl The default maximum version is 3.3
+m4_define_default([pc_max_ver], m4_ifval([$3], [$3], [4.0]))
+dnl Build up a list of possible interpreter names.
m4_define_default([_PC_PYTHON_INTERPRETER_LIST],
- [python python3 python3.3 python3.2 python3.1 python3.0 python2 python2.7 dnl
- python2.6 python2.5 python2.4 python2.3 python2.2 python2.1 python2.0])
+ [[python] \
+dnl If we want some Python 3 versions (max version >= 3.0),
+dnl also search for "python3"
+ m4_if(m4_version_compare(pc_max_ver, [2.9]), [1], [python3], []) \
+dnl If we want some Python 2 versions (min version <= 2.7),
+dnl also search for "python2".
+ m4_if(m4_version_compare(pc_min_ver, [2.8]), [-1], [python2], []) \
+dnl Construct a comma-separated list of interpreter names (python2.6,
+dnl python2.7, etc). We only care about the first 3 characters of the
+dnl version strings (major-dot-minor; not
+dnl major-dot-minor-dot-bugfix[-dot-whatever])
+ m4_foreach([pc_ver],
+ m4_esyscmd_s(seq -s[[", "]] -f["[[%.1f]]"] m4_substr(pc_max_ver, [0], [3]) -0.1 m4_substr(pc_min_ver, [0], [3])),
+dnl Remove python2.8 and python2.9 since they will never exist
+ [m4_bmatch(pc_ver, [2.[89]], [], [python]pc_ver)])])
+dnl Do the actual search at last.
m4_ifval([$1],
[AC_PATH_PROGS(PYTHON, [$1 _PC_PYTHON_INTERPRETER_LIST])],
[AC_PATH_PROGS(PYTHON, [_PC_PYTHON_INTERPRETER_LIST])])
-])
+])# PC_PROG_PYTHON
# PC_PYTHON_PROG_PYTHON_CONFIG(PROG-TO-CHECK-FOR)
# ----------------------------------------------
# Find the python-config program
AC_DEFUN([PC_PYTHON_PROG_PYTHON_CONFIG],
-[AC_REQUIRE([PC_INIT])[]dnl
+[AC_REQUIRE([PC_PROG_PYTHON])[]dnl
AC_ARG_VAR([PYTHON_CONFIG], [the Python-config program])
dnl python-config's binary name is normally based on the Python interpreter's
dnl binary name (i.e. python2.7 -> python2.7-config)
]) # PC_PYTHON_PROG_PYTHON_CONFIG
-# PC_PYTHON_VERIFY_VERSION(RELATION, VERSION, [ACTION-IF-TRUE], [ACTION-IF-NOT-FOUND])
+# PC_PYTHON_VERIFY_VERSION([RELATION], [VERSION], [ACTION-IF-TRUE], [ACTION-IF-FALSE])
# ---------------------------------------------------------------------------
-# Run ACTION-IF-TRUE if the Python interpreter PROG has version >= VERSION.
+# Run ACTION-IF-TRUE if the Python interpreter PROG has version [RELATION] VERSION.
+# i.e if RELATION is "<", check if PROG has a version number less than VERSION.
# Run ACTION-IF-FALSE otherwise.
# Specify RELATION as any mathematical comparison "<", ">", "<=", ">=", "==" or "!="
# This test uses sys.hexversion instead of the string equivalent (first
AC_DEFUN([PC_PYTHON_VERIFY_VERSION],
[m4_define([pc_python_safe_ver], m4_bpatsubsts($2, [\.], [_]))
AC_CACHE_CHECK([if Python $1 '$2'],
- [[pc_cv_python_min_version_]pc_python_safe_ver],
+ [[pc_cv_python_req_version_]pc_python_safe_ver],
[AC_LANG_PUSH(Python)[]dnl
AC_RUN_IFELSE(
[AC_LANG_PROGRAM([dnl
# xrange is not present in Python 3.0 and range returns an iterator
for i in list(range(4)):
reqverhex = (reqverhex << 8) + reqver[[i]]
+ # the final 8 bits are "0xf0" for final versions, which are all
+ # we'll test against, since it's doubtful that a released software
+ # will depend on an alpha- or beta-state Python.
+ reqverhex += 0xf0
if sys.hexversion $1 reqverhex:
sys.exit()
else:
sys.exit(1)
])],
- [[pc_cv_python_req_version_]pc_python_safe_ver="yes"],
- [[pc_cv_python_req_version_]pc_python_safe_ver="no"])
+ [[pc_cv_python_req_version_]pc_python_safe_ver=yes],
+ [[pc_cv_python_req_version_]pc_python_safe_ver=no])
AC_LANG_POP(Python)[]dnl
])
AS_IF([test "$[pc_cv_python_req_version_]pc_python_safe_ver" = "no"], [$4], [$3])
# the best way to do this; it's what "site.py" does in the standard
# library.
AC_DEFUN([PC_PYTHON_CHECK_VERSION],
-[AC_REQUIRE([PC_INIT])[]dnl
+[AC_REQUIRE([PC_PROG_PYTHON])[]dnl
AC_CACHE_CHECK([for $1 version],
[pc_cv_python_version],
[AC_LANG_PUSH(Python)[]dnl
- AC_LANG_CONFTEST([
- AC_LANG_PROGRAM([dnl
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
import sys
], [dnl
sys.stdout.write(sys.version[[:3]])
-])])
- pc_cv_python_version=`$PYTHON conftest.py`
+])],
+ [pc_cv_python_version=`./conftest`],
+ [AC_MSG_FAILURE([failed to run Python program])])
AC_LANG_POP(Python)[]dnl
])
AC_SUBST([PYTHON_VERSION], [$pc_cv_python_version])
pc_cv_python_prefix=`$PYTHON_CONFIG --prefix 2>&AS_MESSAGE_LOG_FD`
else
AC_LANG_PUSH(Python)[]dnl
- pc_cv_python_prefix=AC_LANG_CONFTEST([AC_LANG_PROGRAM([dnl
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
import sys
], [dnl
- sys.exit(sys.prefix)
-])])
+ sys.stdout.write(sys.prefix)
+])], [pc_cv_python_prefix=`./conftest`;
+ if test $? != 0; then
+ AC_MSG_FAILURE([could not determine Python prefix])
+ fi],
+ [AC_MSG_FAILURE([failed to run Python program])])
AC_LANG_POP(Python)[]dnl
fi])
AC_SUBST([PYTHON_PREFIX], [$pc_cv_python_prefix])])
pc_cv_python_exec_prefix=`$PYTHON_CONFIG --exec-prefix 2>&AS_MESSAGE_LOG_FD`
else
AC_LANG_PUSH(Python)[]dnl
- pc_cv_python_exec_prefix=AC_LANG_CONFTEST([AC_LANG_PROGRAM([dnl
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
import sys
], [dnl
- sys.exit(sys.exec_prefix)
-])])
+ sys.stdout.write(sys.exec_prefix)
+])],
+ [pc_cv_python_exec_prefix=`./conftest`;
+ if test $? != 0; then
+ AC_MSG_FAILURE([could not determine Python exec_prefix])
+ fi],
+ [AC_MSG_FAILURE([failed to run Python program])])
AC_LANG_POP(Python)[]dnl
fi
])
# At times (like when building shared libraries) you may want
# to know which OS platform Python thinks this is.
AC_DEFUN([PC_PYTHON_CHECK_PLATFORM],
-[AC_REQUIRE([PC_INIT])[]dnl
+[AC_REQUIRE([PC_PROG_PYTHON])[]dnl
dnl Get the platform from within Python (sys.platform)
-AC_CACHE_CHECK([for Python platform],
- [pc_cv_python_platform],
+AC_CACHE_CHECK([for Python platform], [pc_cv_python_platform],
[AC_LANG_PUSH(Python)[]dnl
- AC_LANG_CONFTEST([
- AC_LANG_PROGRAM([dnl
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
import sys
], [dnl
sys.stdout.write(sys.platform)
-])])
- pc_cv_python_platform=`$PYTHON conftest.py`
+])], [pc_cv_python_platform=`./conftest`;
+ if test $? != 0; then
+ AC_MSG_FAILURE([could not determine Python platform])
+ fi],
+ [AC_MSG_FAILURE([failed to run Python program])])
AC_LANG_POP(Python)[]dnl
])
AC_SUBST([PYTHON_PLATFORM], [$pc_cv_python_platform])
# The directory to which new libraries are installed (i.e. the
# "site-packages" directory.
AC_DEFUN([PC_PYTHON_CHECK_SITE_DIR],
-[AC_REQUIRE([PC_INIT])AC_REQUIRE([PC_PYTHON_CHECK_PREFIX])[]dnl
+[AC_REQUIRE([PC_PROG_PYTHON])AC_REQUIRE([PC_PYTHON_CHECK_PREFIX])[]dnl
AC_CACHE_CHECK([for Python site-packages directory],
[pc_cv_python_site_dir],
[AC_LANG_PUSH(Python)[]dnl
else
pc_py_prefix=$prefix
fi
- AC_LANG_CONFTEST([
- AC_LANG_PROGRAM([dnl
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
import sys
from platform import python_implementation
# sysconfig in CPython 2.7 doesn't work in virtualenv
sitedir = sysconfig.get_path('purelib', vars={'base':'$pc_py_prefix'})
], [dnl
sys.stdout.write(sitedir)
-])])
- pc_cv_python_site_dir=`$PYTHON conftest.py`
+])], [pc_cv_python_site_dir=`./conftest`],
+ [AC_MSG_FAILURE([failed to run Python program])])
AC_LANG_POP(Python)[]dnl
case $pc_cv_python_site_dir in
$pc_py_prefix*)
# $PACKAGE directory under PYTHON_SITE_DIR
AC_DEFUN([PC_PYTHON_SITE_PACKAGE_DIR],
[AC_REQUIRE([PC_PYTHON_CHECK_SITE_DIR])[]dnl
-AC_SUBST([pkgpythondir], [\${pythondir}/$PACKAGE])])
+AC_SUBST([pkgpythondir], [\${pythondir}/$PACKAGE_NAME])])
# PC_PYTHON_CHECK_EXEC_DIR
# ------------------------
# directory for installing python extension modules (shared libraries)
AC_DEFUN([PC_PYTHON_CHECK_EXEC_DIR],
-[AC_REQUIRE([PC_INIT])AC_REQUIRE([PC_PYTHON_CHECK_EXEC_PREFIX])[]dnl
+[AC_REQUIRE([PC_PROG_PYTHON])AC_REQUIRE([PC_PYTHON_CHECK_EXEC_PREFIX])[]dnl
AC_CACHE_CHECK([for Python extension module directory],
[pc_cv_python_exec_dir],
[AC_LANG_PUSH(Python)[]dnl
else
pc_py_exec_prefix=$pc_cv_python_exec_prefix
fi
- AC_LANG_CONFTEST([
- AC_LANG_PROGRAM([dnl
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([dnl
import sys
from platform import python_implementation
# sysconfig in CPython 2.7 doesn't work in virtualenv
sitedir = sysconfig.get_path('purelib', vars={'platbase':'$pc_py_exec_prefix'})
], [dnl
sys.stdout.write(sitedir)
-])])
- pc_cv_python_exec_dir=`$PYTHON conftest.py`
+])], [pc_cv_python_exec_dir=`./conftest`],
+ [AC_MSG_FAILURE([failed to run Python program])])
AC_LANG_POP(Python)[]dnl
case $pc_cv_python_exec_dir in
$pc_py_exec_prefix*)
# $PACKAGE directory under PYTHON_SITE_DIR
AC_DEFUN([PC_PYTHON_EXEC_PACKAGE_DIR],
[AC_REQUIRE([PC_PYTHON_CHECK_EXEC_DIR])[]dnl
-AC_SUBST([pkgpyexecdir], [\${pyexecdir}/$PACKAGE])])
+AC_SUBST([pkgpyexecdir], [\${pyexecdir}/$PACKAGE_NAME])])
## -------------------------------------------- ##
# ----------------------------------------------------------------------
# Macro for checking if a Python library is installed
AC_DEFUN([PC_PYTHON_CHECK_MODULE],
-[AC_REQUIRE([PC_INIT])[]dnl
+[AC_REQUIRE([PC_PROG_PYTHON])[]dnl
m4_define([pc_python_safe_mod], m4_bpatsubsts($1, [\.], [_]))
AC_CACHE_CHECK([for Python '$1' library],
[[pc_cv_python_module_]pc_python_safe_mod],
# Check to see if a given function call, optionally from a module, can
# be successfully called
AC_DEFUN([PC_PYTHON_CHECK_FUNC],
-[AC_REQUIRE([PC_INIT])[]dnl
+[AC_REQUIRE([PC_PROG_PYTHON])[]dnl
m4_define([pc_python_safe_mod], m4_bpatsubsts($1, [\.], [_]))
AC_CACHE_CHECK([for Python m4_ifnblank($1, '$1.$2()', '$2()') function],
[[pc_cv_python_func_]pc_python_safe_mod[_$2]],