# Copyright (C) Valentin V. Bartenev
# Copyright (C) Igor Sysoev
# Copyright (C) NGINX, Inc.


shift

for nxt_option; do

    case "$nxt_option" in
        -*=*) value=`echo "$nxt_option" | sed -e 's/[-_a-zA-Z0-9]*=//'`     ;;
           *) value="" ;;
    esac

    case "$nxt_option" in

        --config=*)  NXT_PYTHON_CONFIG="$value"                              ;;
        --module=*)  NXT_PYTHON_MODULE="$value"                              ;;

        --help)
            cat << END

    --config=FILE   set python-config filename
    --module=NAME   set unit python module name

END
            exit 0
        ;;

        *)
            echo
            echo $0: error: invalid Python option \"$nxt_option\"
            echo
            exit 1
        ;;
    esac

done


if [ ! -f $NXT_AUTOCONF_DATA ]; then
   echo
   echo Please run common $0 before configuring module \"$nxt_module\".
   echo
   exit 1
fi

. $NXT_AUTOCONF_DATA


NXT_PYTHON_CONFIG=${NXT_PYTHON_CONFIG=python-config}
NXT_PYTHON=${NXT_PYTHON_CONFIG%-config*}
NXT_PYTHON_MODULE=${NXT_PYTHON_MODULE=${NXT_PYTHON##*/}}


$echo "configuring Python module"
$echo "configuring Python module ..." >> $NXT_AUTOCONF_ERR

nxt_found=no

if /bin/sh -c "$NXT_PYTHON_CONFIG --prefix" >> $NXT_AUTOCONF_ERR 2>&1; then

    NXT_PYTHON_INCLUDE=`${NXT_PYTHON_CONFIG} --includes`
    NXT_PYTHON_LIBS=`${NXT_PYTHON_CONFIG} --ldflags`

    nxt_feature="Python"
    nxt_feature_name=NXT_HAVE_PYTHON
    nxt_feature_run=no
    nxt_feature_incs="${NXT_PYTHON_INCLUDE}"
    nxt_feature_libs="${NXT_PYTHON_LIBS}"
    nxt_feature_test="
        #include <Python.h>

        int main() {
            Py_Initialize();
            return 0;
        }"

    . auto/feature

else
    $echo "checking for Python ... not found"
fi

if [ $nxt_found = no ]; then
    $echo
    $echo $0: error: no Python found.
    $echo
    exit 1;
fi


nxt_feature="Python version"
nxt_feature_name=NXT_PYTHON_VERSION
nxt_feature_run=value
nxt_feature_incs="${NXT_PYTHON_INCLUDE}"
nxt_feature_libs="${NXT_PYTHON_LIBS}"
nxt_feature_test="
    #include <Python.h>
    #include <stdio.h>

    int main() {
        printf("PY_VERSION");
        return 0;
    }"

. auto/feature


if grep ^$NXT_PYTHON_MODULE: $NXT_MAKEFILE 2>&1 > /dev/null; then
    $echo
    $echo $0: error: duplicate \"$NXT_PYTHON_MODULE\" module configured.
    $echo
    exit 1;
fi

$echo " + Python module: ${NXT_PYTHON_MODULE}.unit.so"


$echo >> $NXT_MAKEFILE

NXT_PYTHON_MODULE_SRCS=" \
    src/nxt_python_wsgi.c \
"

# The python module object files.

nxt_objs=

for nxt_src in $NXT_PYTHON_MODULE_SRCS; do

    nxt_obj=`$echo $nxt_src | sed -e "s/\.c$/-$NXT_PYTHON_MODULE.o/"`
    nxt_objs="$nxt_objs $NXT_BUILD_DIR/$nxt_obj"

    cat << END >> $NXT_MAKEFILE

$NXT_BUILD_DIR/$nxt_obj:	$nxt_src
	\$(CC) -c \$(CFLAGS) \$(NXT_INCS) $NXT_PYTHON_INCLUDE \\
	-o $NXT_BUILD_DIR/$nxt_obj $nxt_src
END

done

 
cat << END >> $NXT_MAKEFILE

.PHONY: ${NXT_PYTHON_MODULE}
.PHONY: ${NXT_PYTHON_MODULE}-install
.PHONY: ${NXT_PYTHON_MODULE}-uninstall

all: ${NXT_PYTHON_MODULE}

${NXT_PYTHON_MODULE}:	$NXT_BUILD_DIR/${NXT_PYTHON_MODULE}.unit.so

$NXT_BUILD_DIR/${NXT_PYTHON_MODULE}.unit.so:	$nxt_objs
	$NXT_MODULE_LINK -o $NXT_BUILD_DIR/${NXT_PYTHON_MODULE}.unit.so \\
	$nxt_objs $NXT_PYTHON_LIBS


install: ${NXT_PYTHON_MODULE}-install

${NXT_PYTHON_MODULE}-install: ${NXT_PYTHON_MODULE}
	install -d \$(DESTDIR)$NXT_MODULES
	install -p $NXT_BUILD_DIR/${NXT_PYTHON_MODULE}.unit.so \\
		\$(DESTDIR)$NXT_MODULES/


uninstall: ${NXT_PYTHON_MODULE}-uninstall

${NXT_PYTHON_MODULE}-uninstall:
	rm -f \$(DESTDIR)$NXT_MODULES/${NXT_PYTHON_MODULE}.unit.so
	@rmdir -p \$(DESTDIR)$NXT_MODULES 2>/dev/null || true

END