view auto/install @ 5356:acd51b0f6fd4

Disable symlinks: use O_PATH to open path components. It was introduced in Linux 2.6.39, glibc 2.14 and allows to obtain file descriptors without actually opening files. Thus made it possible to traverse path with openat() syscalls without the need to have read permissions for path components. It is effectively emulates O_SEARCH which is missing on Linux. O_PATH is used in combination with O_RDONLY. The last one is ignored if O_PATH is used, but it allows nginx to not fail when it was built on modern system (i.e. glibc 2.14+) and run with a kernel older than 2.6.39. Then O_PATH is unknown to the kernel and ignored, while O_RDONLY is used. Sadly, fstat() is not working with O_PATH descriptors till Linux 3.6. As a workaround we fallback to fstatat() with the AT_EMPTY_PATH flag that was introduced at the same time as O_PATH.
author Valentin Bartenev <vbart@nginx.com>
date Mon, 02 Sep 2013 08:07:59 +0400
parents 95ce3172493e
children c983c8dea44c
line wrap: on
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# Copyright (C) Igor Sysoev
# Copyright (C) Nginx, Inc.


if [ $USE_PERL = YES ]; then

    cat << END                                                >> $NGX_MAKEFILE

install_perl_modules:
	cd $NGX_OBJS/src/http/modules/perl && \$(MAKE) install
END

    NGX_INSTALL_PERL_MODULES=install_perl_modules

fi


case ".$NGX_SBIN_PATH" in
    ./*)
    ;;

    .)
        NGX_SBIN_PATH=$NGX_PREFIX/sbin/nginx
    ;;

    *)
        NGX_SBIN_PATH=$NGX_PREFIX/$NGX_SBIN_PATH
    ;;
esac


case ".$NGX_CONF_PATH" in
    ./*)
    ;;

    *)
        NGX_CONF_PATH=$NGX_PREFIX/$NGX_CONF_PATH
    ;;
esac


NGX_CONF_PREFIX=`dirname $NGX_CONF_PATH`


case ".$NGX_PID_PATH" in
    ./*)
    ;;

    *)
        NGX_PID_PATH=$NGX_PREFIX/$NGX_PID_PATH
    ;;
esac


case ".$NGX_ERROR_LOG_PATH" in
    ./* | .)
    ;;

    *)
        NGX_ERROR_LOG_PATH=$NGX_PREFIX/$NGX_ERROR_LOG_PATH
    ;;
esac


case ".$NGX_HTTP_LOG_PATH" in
    ./*)
    ;;

    *)
        NGX_HTTP_LOG_PATH=$NGX_PREFIX/$NGX_HTTP_LOG_PATH
    ;;
esac


if test -f man/nginx.8 ; then
    NGX_MAN=man/nginx.8
else
    NGX_MAN=docs/man/nginx.8
fi

if test -d html ; then
    NGX_HTML=html
else
    NGX_HTML=docs/html
fi

cat << END                                                    >> $NGX_MAKEFILE

manpage:	$NGX_OBJS/nginx.8

$NGX_OBJS/nginx.8:	$NGX_MAN $NGX_AUTO_CONFIG_H
	sed -e "s|%%PREFIX%%|$NGX_PREFIX|" \\
		-e "s|%%PID_PATH%%|$NGX_PID_PATH|" \\
		-e "s|%%CONF_PATH%%|$NGX_CONF_PATH|" \\
		-e "s|%%ERROR_LOG_PATH%%|${NGX_ERROR_LOG_PATH:-stderr}|" \\
		< $NGX_MAN > \$@

install:	$NGX_OBJS${ngx_dirsep}nginx${ngx_binext} \
		$NGX_INSTALL_PERL_MODULES
	test -d '\$(DESTDIR)$NGX_PREFIX' || mkdir -p '\$(DESTDIR)$NGX_PREFIX'

	test -d '\$(DESTDIR)`dirname "$NGX_SBIN_PATH"`' \
		|| mkdir -p '\$(DESTDIR)`dirname "$NGX_SBIN_PATH"`'
	test ! -f '\$(DESTDIR)$NGX_SBIN_PATH' \
		|| mv '\$(DESTDIR)$NGX_SBIN_PATH' \
			'\$(DESTDIR)$NGX_SBIN_PATH.old'
	cp $NGX_OBJS/nginx '\$(DESTDIR)$NGX_SBIN_PATH'

	test -d '\$(DESTDIR)$NGX_CONF_PREFIX' \
		|| mkdir -p '\$(DESTDIR)$NGX_CONF_PREFIX'

	cp conf/koi-win '\$(DESTDIR)$NGX_CONF_PREFIX'
	cp conf/koi-utf '\$(DESTDIR)$NGX_CONF_PREFIX'
	cp conf/win-utf '\$(DESTDIR)$NGX_CONF_PREFIX'

	test -f '\$(DESTDIR)$NGX_CONF_PREFIX/mime.types' \
		|| cp conf/mime.types '\$(DESTDIR)$NGX_CONF_PREFIX'
	cp conf/mime.types '\$(DESTDIR)$NGX_CONF_PREFIX/mime.types.default'

	test -f '\$(DESTDIR)$NGX_CONF_PREFIX/fastcgi_params' \
		|| cp conf/fastcgi_params '\$(DESTDIR)$NGX_CONF_PREFIX'
	cp conf/fastcgi_params \
		'\$(DESTDIR)$NGX_CONF_PREFIX/fastcgi_params.default'

	test -f '\$(DESTDIR)$NGX_CONF_PREFIX/fastcgi.conf' \
		|| cp conf/fastcgi.conf '\$(DESTDIR)$NGX_CONF_PREFIX'
	cp conf/fastcgi.conf '\$(DESTDIR)$NGX_CONF_PREFIX/fastcgi.conf.default'

	test -f '\$(DESTDIR)$NGX_CONF_PREFIX/uwsgi_params' \
		|| cp conf/uwsgi_params '\$(DESTDIR)$NGX_CONF_PREFIX'
	cp conf/uwsgi_params \
		'\$(DESTDIR)$NGX_CONF_PREFIX/uwsgi_params.default'

	test -f '\$(DESTDIR)$NGX_CONF_PREFIX/scgi_params' \
		|| cp conf/scgi_params '\$(DESTDIR)$NGX_CONF_PREFIX'
	cp conf/scgi_params \
		'\$(DESTDIR)$NGX_CONF_PREFIX/scgi_params.default'

	test -f '\$(DESTDIR)$NGX_CONF_PATH' \
		|| cp conf/nginx.conf '\$(DESTDIR)$NGX_CONF_PATH'
	cp conf/nginx.conf '\$(DESTDIR)$NGX_CONF_PREFIX/nginx.conf.default'

	test -d '\$(DESTDIR)`dirname "$NGX_PID_PATH"`' \
		|| mkdir -p '\$(DESTDIR)`dirname "$NGX_PID_PATH"`'

	test -d '\$(DESTDIR)`dirname "$NGX_HTTP_LOG_PATH"`' || \
		mkdir -p '\$(DESTDIR)`dirname "$NGX_HTTP_LOG_PATH"`'

	test -d '\$(DESTDIR)$NGX_PREFIX/html' \
		|| cp -R $NGX_HTML '\$(DESTDIR)$NGX_PREFIX'
END


if test -n "$NGX_ERROR_LOG_PATH"; then
    cat << END                                                >> $NGX_MAKEFILE

	test -d '\$(DESTDIR)`dirname "$NGX_ERROR_LOG_PATH"`' || \
		mkdir -p '\$(DESTDIR)`dirname "$NGX_ERROR_LOG_PATH"`'
END

fi


# create Makefile

cat << END >> Makefile

build:
	\$(MAKE) -f $NGX_MAKEFILE
	\$(MAKE) -f $NGX_MAKEFILE manpage

install:
	\$(MAKE) -f $NGX_MAKEFILE install

upgrade:
	$NGX_SBIN_PATH -t

	kill -USR2 \`cat $NGX_PID_PATH\`
	sleep 1
	test -f $NGX_PID_PATH.oldbin

	kill -QUIT \`cat $NGX_PID_PATH.oldbin\`
END