# Copyright (C) 2000, 2001, 2013 Gregory Trubetskoy

# Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Apache Software Foundation

#

# Licensed under the Apache License, Version 2.0 (the "License");

# you may not use this file except in compliance with the License.

# You may obtain a copy of the License at

#

# http://www.apache.org/licenses/LICENSE-2.0

#

# Unless required by applicable law or agreed to in writing, software

# distributed under the License is distributed on an "AS IS" BASIS,

# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

# See the License for the specific language governing permissions and

# limitations under the License.

#

# Originally developed by Gregory Trubetskoy.

#

dnl Process this file with autoconf to produce a configure script.

AC_INIT(src/mod_python.c)

# includes

INCLUDES="-I`pwd`/src/include"

dnl Checks for programs.

AC_PROG_CC

AC_SUBST(AR)

AC_CHECK_PROGS(AR, ar aal, ar)

AC_PROG_INSTALL

AC_PROG_MAKE_SET

dnl Replace `main' with a function in -lm:

AC_CHECK_LIB(m, main)

dnl Checks for header files.

dnl Checks for typedefs, structures, and compiler characteristics.

AC_C_CONST

### humor lowers blood pressure

AC_MSG_CHECKING(your blood pressure)

AC_MSG_RESULT([a bit high, but we can proceed])

## The goal is to find apxs

AC_CHECKING(whether apxs is available)

AC_SUBST(APXS)

AC_SUBST(DSO)

AC_SUBST(ALL)

# check for --with-apxs

AC_ARG_WITH(apxs, AC_HELP_STRING([--with-apxs=NAME],

[name of the apxs executable [[apxs]]]),

[APXS="$with_apxs"])

if test -z "${APXS}"; then

AC_PATH_PROGS(APXS, apxs2 apxs, [],

[$PATH:/usr/local/apache/bin:/usr/sbin])

fi

# if apxs was still not found, then no DSO

AC_SUBST(LIBEXECDIR)

AC_SUBST(SYSCONFDIR)

AC_SUBST(SOLARIS_HACKS)

AC_SUBST(HTTPD)

AC_SUBST(HTTPD_VERSION)

AC_SUBST(APR_VERSION)

if test -z "$APXS"; then

AC_MSG_WARN([**** apxs was not found, DSO compilation will not be available.])

AC_MSG_WARN([**** You can use --with-apxs to specify where your apxs is.])

DSO="no_dso"

ALL="static"

else

DSO="do_dso"

ALL="dso"

# check Apache version

AC_MSG_CHECKING(Apache version)

HTTPD="`${APXS} -q SBINDIR`/`${APXS} -q TARGET`"

HTTPD_VERSION=`$HTTPD -v | awk '/version/ {print $3}' | awk -F/ '{print $2}' | awk '{print $1}'`

APR_VERSION=`${APXS} -q APR_VERSION`

AC_MSG_RESULT($HTTPD_VERSION)

# make sure version begins with 2

if test -z "`echo $HTTPD_VERSION | egrep \^2`"; then

AC_MSG_ERROR([This version of mod_python only works with Apache 2. The one we have ($HTTPD) seems to be $HTTPD_VERSION.])

fi

# determine LIBEXEC

AC_MSG_CHECKING(for Apache libexec directory)

LIBEXECDIR=`${APXS} -q LIBEXECDIR`

AC_MSG_RESULT($LIBEXECDIR)

# determine INCLUDES

AC_MSG_CHECKING([for Apache include directory])

AP_INCLUDES="-I`${APXS} -q INCLUDEDIR`"

AC_MSG_RESULT($AP_INCLUDES)

dnl Small hack to work around _eprintf.o problem on Solaris

if test "`uname`" = "SunOS"; then

AC_MSG_CHECKING([for gcc on Solaris possible missing _eprintf problem])

if test "$CC" = "gcc"; then

SOLARIS_HACKS="_eprintf.o _floatdidf.o _muldi3.o"

fi

AC_MSG_RESULT("done")

fi

fi

# check for --with-apache

AC_SUBST(AP_SRC)

AC_SUBST(AP_SRC_OWN)

AC_SUBST(AP_SRC_GRP)

## static is disabled, thus no --with-apache

##AC_MSG_CHECKING(for --with-apache)

AC_ARG_WITH(apache, [--with-apache=DIR Path to Apache sources],

[

# temporarily disable static on 2.0 until I figure out how to

# do it right

AC_MSG_ERROR([Sorry, --with-apache (static compilation) is not supported at this time!])

AP_SRC=`cd $withval; pwd`

dnl Make sure this looks like Apache source

if test ! -f "$AP_SRC/include/httpd.h"; then

AC_MSG_ERROR([$withval does not look like an Apache 2.0 source directory.])

fi

AC_MSG_RESULT($AP_SRC)

AP_INCLUDES="-I${AP_SRC}/src/include -I${AP_SRC}/src/os/unix"

# note who owns the apache source directory

AP_SRC_OWN="`ls -ld $AP_SRC | awk '{print $3}'`"

AP_SRC_GRP="`ls -ld $AP_SRC | awk '{print $4}'`"

],)

##AC_MSG_RESULT(no))

AC_SUBST(STATIC)

if test -z "$AP_SRC"; then

## AC_MSG_WARN([**** No apache sources specified, static compilation will not be available.])

## AC_MSG_WARN([**** You can use --with-apache to specify where your Apache sources are.])

STATIC="no_static"

else

STATIC="do_static"

fi

if test "$STATIC" = "no_static" -a "$DSO" = "no_dso"; then

AC_MSG_ERROR([Neither static nor DSO option available, there is no point in continuing.])

fi

AC_SUBST(PYTHON_BIN)

AC_MSG_CHECKING(for --with-python)

AC_ARG_WITH(python, [--with-python=PATH Path to specific Python binary],

[

PYTHON_BIN="$withval"

AC_MSG_RESULT($PYTHON_BIN)

],

AC_MSG_RESULT(no))

# check for Python executable

if test -z "$PYTHON_BIN"; then

AC_PATH_PROG(PYTHON_BIN, python)

if test -z "$PYTHON_BIN"; then

AC_MSG_ERROR(python binary not found in path)

fi

fi

# find out python version

AC_MSG_CHECKING(Python version)

PyVERSION=`$PYTHON_BIN -c ['import sys; print(sys.version[:3])'`]

PyMAJVERSION=`$PYTHON_BIN -c ['import sys; print(sys.version[:1])'`]

PyMINVERSION=`$PYTHON_BIN -c ['import sys; print(sys.version.split(".")[1])'`]

AC_MSG_RESULT($PyVERSION)

# make sure Python version is >= 2.6 for 2 and >= 3.3 for 3

if test "$PyMAJVERSION" -lt "2"; then

AC_MSG_ERROR([This version of mod_python only works with Python major version 2 or higher. The one you have seems to be $PyVERSION.])

fi

if test "$PyMAJVERSION" -eq "2"; then

if test "$PyMINVERSION" -lt "6"; then

AC_MSG_ERROR([This version of mod_python only works with Python 2.x version 2.6 or higher. The one you have seems to be $PyVERSION.])

fi

fi

if test "$PyMAJVERSION" -eq "3"; then

if test "$PyMINVERSION" -lt "3"; then

AC_MSG_ERROR([This version of mod_python only works with Python 3.x version 3.3 or higher. The one you have seems to be $PyVERSION.])

fi

fi

# calculate compiler options

CPPFLAGS1=`${PYTHON_BIN} -c 'from distutils import sysconfig; \

print("-I" + sysconfig.get_config_var("INCLUDEPY"))'`

CPPFLAGS2=`${PYTHON_BIN} -c 'from distutils import sysconfig; \

print(" ".join(filter(lambda x: x.startswith("-D"), \

sysconfig.get_config_var("CFLAGS").split())))'`

CPPFLAGS="${CPPFLAGS1} ${CPPFLAGS2}"

AC_SUBST(CPPFLAGS)

PYTHONFRAMEWORKDIR=`${PYTHON_BIN} -c 'from distutils import sysconfig; \

print(sysconfig.get_config_var("PYTHONFRAMEWORKDIR"))'`

PYTHONFRAMEWORKPREFIX=`${PYTHON_BIN} -c 'from distutils import sysconfig; \

print(sysconfig.get_config_var("PYTHONFRAMEWORKPREFIX"))'`

PYTHONFRAMEWORK=`${PYTHON_BIN} -c 'from distutils import sysconfig; \

print(sysconfig.get_config_var("PYTHONFRAMEWORK"))'`

if test "${PYTHONFRAMEWORKDIR}" = "no-framework"; then

# this directory may contain the .so library, our preference, list 1st

LDFLAGS1=`${PYTHON_BIN} -c 'import distutils.sysconfig; \

print("-L" + distutils.sysconfig.get_config_var("LIBDIR"))'`

LDFLAGS2=`${PYTHON_BIN} -c 'import distutils.sysconfig; \

print("-L" + distutils.sysconfig.get_python_lib(plat_specific=1, \

standard_lib=1) +"/config")'`

LDFLAGS="${LDFLAGS1} ${LDFLAGS2}"

LDLIBS1=`${PYTHON_BIN} -c 'import distutils.sysconfig;\

print(distutils.sysconfig.get_config_var("LDLIBRARY"))'`

LDLIBS2=`${PYTHON_BIN} -c 'from distutils import sysconfig; \

print(sysconfig.get_config_var("LIBS"))'`

LDLIBS="${LDLIBS1} ${LDLIBS2}"

else

LDFLAGS1="-Wl,-F${PYTHONFRAMEWORKPREFIX} -framework ${PYTHONFRAMEWORK}"

STRING="${PYTHONFRAMEWORKDIR}/Versions/${PyVERSION}/${PYTHONFRAMEWORK}"

LDFLAGS2=`${PYTHON_BIN} -c "from distutils import sysconfig; \

print(sysconfig.get_config_var(\"LINKFORSHARED\").replace( \

\"${STRING}\", ''))"`

LDFLAGS="${LDFLAGS1} ${LDFLAGS2}"

LDLIBS=`${PYTHON_BIN} -c 'from distutils import sysconfig; \

print(sysconfig.get_config_var("LIBS"))'`

fi

CFLAGS=""

ARCHFLAGS=""

if test -x /usr/bin/lipo; then

LDFLAGS3=""

ARCHITECTURES=`/usr/bin/lipo -info $HTTPD | sed -e 's/.*://'`

for ARCH in $ARCHITECTURES; do

CFLAGS="${CFLAGS} -Wc,'-arch ${ARCH}'"

LDFLAGS3="${LDFLAGS3} -arch ${ARCH}"

ARCHFLAGS="${ARCHFLAGS} -arch ${ARCH}"

done

LDFLAGS="${LDFLAGS3} ${LDFLAGS}"

fi

AC_SUBST(CFLAGS)

AC_SUBST(LDFLAGS)

AC_SUBST(LDLIBS)

AC_SUBST(INCLUDES)

AC_SUBST(ARCHFLAGS)

# this for the test.py script

AC_SUBST(TEST_SERVER_ROOT)

TEST_SERVER_ROOT="`pwd`/test"

AC_SUBST(TEST_MOD_PYTHON_SO)

TEST_MOD_PYTHON_SO="`pwd`/src/mod_python.so"

# configure the MUTEX_DIR for location of mutex locks

AC_SUBST(MUTEX_DIR)

AC_MSG_CHECKING(for --with-mutex-dir)

AC_ARG_WITH(mutex-dir, [--with-mutex-dir=DIR Mutex directory],

[

MUTEX_DIR="$withval"

AC_MSG_RESULT($MUTEX_DIR)

],

AC_MSG_RESULT(no))

if test -z "$MUTEX_DIR"; then

MUTEX_DIR="/tmp"

fi

# TODO - check if MUTEX_DIR is an absolute path

AC_MSG_RESULT([Using MUTEX_DIR $MUTEX_DIR])

# configure the MAX_LOCKS for number of mutex locks

AC_SUBST(MAX_LOCKS)

AC_MSG_CHECKING(for --with-max-locks)

AC_ARG_WITH(max-locks, [--with-max-locks=INTEGER Maximum number of locks],

[

MAX_LOCKS="$withval"

AC_MSG_RESULT($MAX_LOCKS)

],

AC_MSG_RESULT(no))

if test -z "$MAX_LOCKS"; then

MAX_LOCKS="8"

fi

AC_MSG_RESULT([Using $MAX_LOCKS MAX_LOCKS.])

# Check for correct flex version

# Requires flex 2.5.31 for reentrant support

# See README for more details

AC_SUBST(LEX)

AC_MSG_CHECKING(for --with-flex)

AC_ARG_WITH(flex, [--with-flex=PATH Path to specific flex binary.

Flex Version 2.5.31 or greater is required to regenerate psp_parser.c

from psp_parse.l. A prepared psp_parser.c file is included with the

source, so you will only need flex if you make changes to psp_parser.l

See the README for more information.],

[

LEX="$withval"

AC_MSG_RESULT($LEX)

],

AC_MSG_RESULT(no))

# check for flex executable

if test -z "$LEX"; then

AC_PATH_PROG(LEX, flex)

fi

if test "$LEX" && test -x "$LEX"; then

AC_MSG_RESULT([found $LEX, we'll use this. Use --with-flex to specify another.])

AC_MSG_CHECKING(flex version)

FlexVERSION=`$LEX --version | sed 's/version//g' | awk '/flex/ {print $2}'`

Flex_MAJOR=`echo $FlexVERSION| awk -F. '{print $1}'`

Flex_MINOR=`echo $FlexVERSION| awk -F. '{print $2}'`

Flex_PATCH=`echo $FlexVERSION| awk -F. '{print $3}'`

if test "$Flex_MAJOR" -eq "2" && test "$Flex_MINOR" -eq "5" && test "$Flex_PATCH" -ge "31"; then

AC_MSG_RESULT([$FlexVERSION. Good])

else

AC_MSG_WARN([Flex version $FlexVERSION found.

Version 2.5.31 or greater is required. You can generally ignore this

warning unless you need to regenerate psp_parser.c from psp_parse.l.

If you do need regenerate psp_parser.c, use --with-flex to specify the

location of the correct flex version. See the README for more information.])

fi

else

AC_MSG_WARN([flex $LEX not found

You can generally ignore this warning unless you need to regenerate

psp_parser.c from psp_parse.l. If you do need regenerate psp_parser.c,

use --with-flex to specify the location of flex.

See the README for more information.])

fi

AC_CONFIG_FILES([Makefile src/Makefile Doc/Makefile \

src/include/mod_python.h test/Makefile \

dist/setup.py dist/Makefile scripts/Makefile])

AC_CONFIG_FILES([scripts/mod_python], [chmod +x scripts/mod_python])

AC_OUTPUT