#!/bin/sh

# Variable declaration
prefix='/usr'
exec_prefix="`eval echo /usr`"
phpdir="/usr/lib64/php/build"
includedir="`eval echo /usr/include`/php"
builddir="`pwd`"
SED="/bin/sed"

FILES_BUILD="mkdep.awk scan_makefile_in.awk shtool libtool.m4"
FILES="acinclude.m4 Makefile.global config.sub config.guess ltmain.sh run-tests*.php"
CLEAN_FILES="$FILES *.o *.lo *.la .deps .libs/ build/ include/ modules/ install-sh \
mkinstalldirs missing config.nice config.sub config.guess configure configure.in \
aclocal.m4 config.h config.h.in conftest* ltmain.sh libtool config.cache autom4te.cache/ \
config.log config.status Makefile Makefile.fragments Makefile.objects confdefs.h \
run-tests*.php tests/*.diff tests/*.exp tests/*.log tests/*.out tests/*.php"

# function declaration
phpize_usage()
{
echo "Usage: $0 [--clean|--help|--version|-v]"
}

phpize_no_configm4()
{
if test $@ -eq 1; then
clean=" --clean"
fi

echo "Cannot find config.m4. "
echo "Make sure that you run '$0$clean' in the top level source directory of the module"
echo
}

phpize_clean()
{
echo "Cleaning.."
for i in $CLEAN_FILES; do
if test -f "$i"; then
rm -f $i
elif test -d "$i"; then
rm -rf $i
fi
done
}

phpize_check_configm4()
{
if test ! -r config.m4; then
phpize_no_configm4 $@
exit 1
fi

}

phpize_get_api_numbers()
{
# extracting API NOs:
PHP_API_VERSION=`grep '#define PHP_API_VERSION' $includedir/main/php.h|$SED 's/#define PHP_API_VERSION//'`
ZEND_MODULE_API_NO=`grep '#define ZEND_MODULE_API_NO' $includedir/Zend/zend_modules.h|$SED 's/#define ZEND_MODULE_API_NO//'`
ZEND_EXTENSION_API_NO=`grep '#define ZEND_EXTENSION_API_NO' $includedir/Zend/zend_extensions.h|$SED 's/#define ZEND_EXTENSION_API_NO//'`
}

phpize_print_api_numbers()
{
phpize_get_api_numbers
echo "Configuring for:"
echo "PHP Api Version: "$PHP_API_VERSION
echo "Zend Module Api No: "$ZEND_MODULE_API_NO
echo "Zend Extension Api No: "$ZEND_EXTENSION_API_NO
}

phpize_check_build_files()
{
if test ! -d "$phpdir"; then
cat <<EOF
Cannot find build files at '$phpdir'. Please check your PHP installation.

EOF
exit 1
fi

case "$phpdir" in
*\ * | *\ *)
cat <<EOF
Invalid source path '$phpdir'. Whitespace is not allowed in source path.

EOF
exit 1;;
esac

case "$builddir" in
*\ * | *\ *)
cat <<EOF
Invalid build path '$builddir'. Whitespace is not allowed in build path.

EOF
exit 1;;
esac
}

phpize_check_shtool()
{
test -x "$builddir/build/shtool" || chmod +x "$builddir/build/shtool"

if test ! -x "$builddir/build/shtool"; then
cat <<EOF
shtool at '$builddir/build/shtool' does not exist or is not executable.
Make sure that the file exists and is executable and then rerun this script.

EOF
exit 1
else
php_shtool=$builddir/build/shtool
fi
}

phpize_check_autotools()
{
test -z "$PHP_AUTOCONF" && PHP_AUTOCONF=autoconf
test -z "$PHP_AUTOHEADER" && PHP_AUTOHEADER=autoheader

if test ! -x "$PHP_AUTOCONF" && test ! -x "`$php_shtool path $PHP_AUTOCONF`"; then
cat <<EOF
Cannot find autoconf. Please check your autoconf installation and the
\$PHP_AUTOCONF environment variable. Then, rerun this script.

EOF
exit 1
fi
if test ! -x "$PHP_AUTOHEADER" && test ! -x "`$php_shtool path $PHP_AUTOHEADER`"; then
cat <<EOF
Cannot find autoheader. Please check your autoconf installation and the
\$PHP_AUTOHEADER environment variable. Then, rerun this script.

EOF
exit 1
fi
}

phpize_copy_files()
{
test -d build || mkdir build

(cd "$phpdir" && cp $FILES_BUILD "$builddir"/build)
(cd "$phpdir" && cp $FILES "$builddir")
(cd "$builddir" && cat acinclude.m4 ./build/libtool.m4 > aclocal.m4)
}

phpize_replace_prefix()
{
$SED \
-e "s#/usr#$prefix#" \
< "$phpdir/phpize.m4" > configure.in
}

phpize_autotools()
{
$PHP_AUTOCONF || exit 1
$PHP_AUTOHEADER || exit 1
}

# Main script

case "$1" in
# Cleanup
--clean)
phpize_check_configm4 1
phpize_clean
exit 0
;;

# Usage
--help)
phpize_usage
exit 0
;;

# Version
--version|-v)
phpize_print_api_numbers
exit 0
;;

# Default
*)
phpize_check_configm4 0

phpize_check_build_files

phpize_print_api_numbers

phpize_copy_files

phpize_replace_prefix

touch install-sh mkinstalldirs missing

phpize_check_shtool

phpize_check_autotools

phpize_autotools
;;
esac

exit 0