contrib/server-side/svnstsw/configure.ac - subversion - Git at Google

 # Copyright (c) 2008 BBN Technologies Corp.  All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions
 # are met:
 # 1. Redistributions of source code must retain the above copyright
 #    notice, this list of conditions and the following disclaimer.
 # 2. Redistributions in binary form must reproduce the above copyright
 #    notice, this list of conditions and the following disclaimer in the
 #    documentation and/or other materials provided with the distribution.
 # 3. Neither the name of BBN Technologies nor the names of its contributors
 #    may be used to endorse or promote products derived from this software
 #    without specific prior written permission.
 #
 # THIS SOFTWARE IS PROVIDED BY BBN TECHNOLOGIES AND CONTRIBUTORS ``AS IS''
 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 # ARE DISCLAIMED.  IN NO EVENT SHALL BBN TECHNOLOGIES OR CONTRIBUTORS BE
 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 # POSSIBILITY OF SUCH DAMAGE.

 AC_INIT([svnstsw], [1.4])
 AC_PREREQ([2.61])
 AC_CONFIG_SRCDIR([src/main.c])
 AC_CONFIG_AUX_DIR([conf])
 AC_CONFIG_MACRO_DIR([conf])
 AC_CONFIG_FILES([
     Makefile
     doc/Doxyfile-html
     doc/Makefile
     doc/man/libsvnstsw.3
     doc/man/svnstsw.8
     doc/man/svnstsw_exec_svnserve.3
     doc/man/svnstsw_get_tunnel_user_name.3
     doc/man/svnstsw_fso_is_changeable.3
     include/Makefile
     src/Makefile
   ])
 AC_CONFIG_HEADERS([src/config.h])
 AH_BOTTOM([#include <svnstsw_compat.h>])

 AM_INIT_AUTOMAKE([foreign 1.10])
 AM_MAINTAINER_MODE

 # Test for a C99 compiler.  Features in use:
 #   * _Bool
 #   * declare variables after start
 #   * variable-length arrays
 #   * C++-style comments
 AC_PROG_CC_C99
 #   * snprintf
 STSW_FUNC_SNPRINTF_BROKEN
 if test "x$ac_cv_prog_cc_c99" = "xno" || test "x$snprintf_broken" = "xyes" ; then
     AC_MSG_ERROR([Your C compiler does not support some of the required C99 features.])
 fi

 AC_PROG_LIBTOOL
 AC_PROG_INSTALL

 # Test for the reentrant POSIX functions we use
 AC_CHECK_FUNCS([getpwuid_r getpwnam_r], [],
     [AC_MSG_ERROR([A required function was not found on your system.])])
 AC_CHECK_FUNCS([getlogin_r], [], [AC_MSG_WARN([

     If multiple users share the same user ID on this system, svnserve
     may use the wrong username as the argument to svnserve's
     '--tunnel-user' parameter.  This is because the POSIX function
     getlogin_r() was not found on your system.  The function
     getpwuid_r() will be used instead, which means that another
     username corresponding to the shared UID may be returned by
     svnstsw_get_tunnel_user_name().
 ])])

 # Have autoconf tests modify the following variables rather than
 # CPPFLAGS, CFLAGS, etc.  This allows automake .am files to override
 # these flags (by appending to them) without overriding user-specified
 # flags.
 AC_SUBST([CONFIGURECPPFLAGS])
 AC_SUBST([CONFIGURECFLAGS])
 AC_SUBST([CONFIGURECXXFLAGS])
 AC_SUBST([CONFIGURELDFLAGS])
 AC_SUBST([CONFIGURELIBTOOLFLAGS])

 # increase compiler strictness
 if test "x$GCC" = "xyes" ; then
     CONFIGURECFLAGS="-Wall -Werror $CONFIGURECFLAGS"
 fi
 if test "x$GXX" = "xyes" ; then
     CONFIGURECXXFLAGS="-Wall -Werror $CONFIGURECXXFLAGS"
 fi

 # The following makes sure that the include subdirectory is included,
 # even in VPATH builds.  Unfortunately, autoconf doesn't define a
 # shell variable containing the absolute path to the top source
 # directory (at least it's not documented), so we can't use that here.
 # However, it does have a preset *output* variable.  The following
 # causes a literal '-I${top_srcdir}/include' to appear in the
 # definition of the CONFIGURECPPFLAGS variable.  The '${top_srcdir}'
 # is then substituted by make.  Unfortunately, this is somewhat
 # broken:  If we want to do further autoconf tests using this include,
 # the '${top_srcdir}' either won't be substituted or it will be
 # substituted with an empty string since there is no 'top_srcdir'
 # shell variable defined by autoconf.  TODO:  figure out a way around
 # this.
 #
 CONFIGURECPPFLAGS="-I\${top_srcdir}/include $CONFIGURECPPFLAGS"

 # find libapr
 STSW_LIB_APR([0\.9\.@<:@7-9@:>@ 0\.9\.1@<:@0-9@:>@ 1\.])
 CONFIGURECPPFLAGS="$STSW_APR_CPPFLAGS $STSW_APR_INCLUDES $CONFIGURECPPFLAGS"
 CONFIGURECFLAGS="$STSW_APR_CFLAGS $CONFIGURECFLAGS"
 CONFIGURELDFLAGS="$STSW_APR_LDFLAGS $STSW_APR_LIBS $CONFIGURELDFLAGS"

 # find doxygen for generating the source code documentation
 STSW_PROG_DOXYGEN
 DOXYFILE_PREDEFINED="$DOXYFILE_PREDEFINED HAVE_CONFIG_H=1"

 # Test for the location of svnserve
 AC_ARG_WITH(
     [svnserve],
     [AS_HELP_STRING(
         [--with-svnserve=/path/to/svnserve],

         [Full path to the svnserve executable.  This string will be
          used literally to start svnserve; e.g.,
          execl("/given/path/to/svnserve", ...).  For security reasons,
          this can not be a relative path -- it must start with "/".
          Note that this path can point to any executable that accepts
          svnserve's arguments, such as another svnserve wrapper.  Do
          not provide a path to a script unless you are fully aware of
          the security problems that arise when a script is run as a
          different user.  If left unspecified, configure will search
          the PATH for svnserve.])],

     [
         if test "x$withval" = "xyes" ; then
             AC_PATH_PROG([SVNSERVE], [svnserve])
         else
             AC_MSG_CHECKING([for svnserve])
             SVNSERVE=$withval
             AC_MSG_RESULT([$SVNSERVE])
         fi
     ],
     [
         AC_PATH_PROG([SVNSERVE], [svnserve])
     ])
 case "$SVNSERVE" in
     /*)
         # absolute path
         ;;
     *)
         # relative path
         AC_MSG_ERROR([You must specify a full path to the svnserve executable using "--with-svnserve=/path/to/svnserve"])
         ;;
 esac
 AC_DEFINE_UNQUOTED([SVNSERVE], ["$SVNSERVE"], [Define to the desired svnserve binary to run.])

 # Ask user if root override is acceptable
 stsw_root_override=yes
 AC_ARG_ENABLE(
     [svnserve-root-override],
     [AS_HELP_STRING(
         [--disable-svnserve-root-override],

         [Tell svnstsw to ignore the -r and --root command-line
          options.  This prevents a user from specifying a virtual root
          path, ensuring that the default path (given by
          --with-svnserve-root-default) is always passed to the
          svnserve executable (given by --with-svnserve) using
          svnserve's --root command-line option.  Allowing a user to
          specify a different virtual root could be a security concern
          if there is a repository that is accessible to the svnstsw
          wrapper and that repository uses a username namespace that is
          different from the system username namespace.])],

     [
         if test "x$enableval" != "xyes" ; then
             stsw_root_override=no
         fi
     ])
 AC_MSG_CHECKING([if users should be allowed to override the default repository virtual root])
 stsw_root_override_bool=1
 if test "x$stsw_root_override" = "xno" ; then
    stsw_root_override_bool=0
 fi
 AC_DEFINE_UNQUOTED([ALLOW_SVNSERVE_ROOT_OVERRIDE], [$stsw_root_override_bool], [Define to 1 if svnstsw should honor the -r and --root command-line arguments, 0 otherwise.])
 AC_MSG_RESULT([$stsw_root_override])

 # Ask the user for the default svn repository root
 stsw_root_default=/
 AC_ARG_WITH(
     [svnserve-root-default],
     [AS_HELP_STRING(
         [--with-svnserve-root-default=/path/to/svn/virtual/root],

         [Specify the default path to pass as the argument to
          svnserve's --root command-line option.  The given path will
          be passed to svnserve if the user of svnstsw does not pass -r
          or --root to svnstsw or if svnstsw is configured to prevent
          users from specifying a virtual root path (via
          --disable-svnserve-root-override).  If unspecified, "/" is
          used.])],

     [
         if test "x$withval" != "xyes" && test "x$withval" != "xno" ; then
             stsw_root_default=$withval
         fi
     ])
 AC_MSG_CHECKING([for the default repository virtual root path])
 AC_DEFINE_UNQUOTED([SVNSERVE_DEFAULT_ROOT], ["$stsw_root_default"], [Define to the desired default repository virtual root path.])
 AC_MSG_RESULT([$stsw_root_default])

 # Ask the user for the file mode creation mask
 stsw_umask="S_IRWXO"
 AC_ARG_WITH(
     [umask],
     [AS_HELP_STRING(
         [--with-umask=<mode_t expression>],

         [Specify the file mode creation mask to use when the program
          is run.  This must be a C constant expression with a type
          that is compatible with mode_t (see the umask(3) man page and
          <sys/stat.h>).  If unspecified, "S_IRWXO" is used (which
          disables read, write, and execute for others/world and allows
          read, write, and execute for the user and group).])],

     [
         if test "x$withval" != "xyes" && test "x$withval" != "xno" ; then
             stsw_umask=$withval
         fi
     ])
 AC_MSG_CHECKING([for the file mode creation mask])
 AC_DEFINE_UNQUOTED([SVNSTSW_UMASK()], [($stsw_umask)], [Define to the desired file mode creation mask.])
 AC_MSG_RESULT([$stsw_umask])

 AC_OUTPUT
	# Copyright (c) 2008 BBN Technologies Corp. All rights reserved.
	#
	# Redistribution and use in source and binary forms, with or without
	# modification, are permitted provided that the following conditions
	# are met:
	# 1. Redistributions of source code must retain the above copyright
	# notice, this list of conditions and the following disclaimer.
	# 2. Redistributions in binary form must reproduce the above copyright
	# notice, this list of conditions and the following disclaimer in the
	# documentation and/or other materials provided with the distribution.
	# 3. Neither the name of BBN Technologies nor the names of its contributors
	# may be used to endorse or promote products derived from this software
	# without specific prior written permission.
	#
	# THIS SOFTWARE IS PROVIDED BY BBN TECHNOLOGIES AND CONTRIBUTORS ``AS IS''
	# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	# ARE DISCLAIMED. IN NO EVENT SHALL BBN TECHNOLOGIES OR CONTRIBUTORS BE
	# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
	# POSSIBILITY OF SUCH DAMAGE.

	AC_INIT([svnstsw], [1.4])
	AC_PREREQ([2.61])
	AC_CONFIG_SRCDIR([src/main.c])
	AC_CONFIG_AUX_DIR([conf])
	AC_CONFIG_MACRO_DIR([conf])
	AC_CONFIG_FILES([
	Makefile
	doc/Doxyfile-html
	doc/Makefile
	doc/man/libsvnstsw.3
	doc/man/svnstsw.8
	doc/man/svnstsw_exec_svnserve.3
	doc/man/svnstsw_get_tunnel_user_name.3
	doc/man/svnstsw_fso_is_changeable.3
	include/Makefile
	src/Makefile
	])
	AC_CONFIG_HEADERS([src/config.h])
	AH_BOTTOM([#include <svnstsw_compat.h>])

	AM_INIT_AUTOMAKE([foreign 1.10])
	AM_MAINTAINER_MODE

	# Test for a C99 compiler. Features in use:
	# * _Bool
	# * declare variables after start
	# * variable-length arrays
	# * C++-style comments
	AC_PROG_CC_C99
	# * snprintf
	STSW_FUNC_SNPRINTF_BROKEN
	if test "x$ac_cv_prog_cc_c99" = "xno" \|\| test "x$snprintf_broken" = "xyes" ; then
	AC_MSG_ERROR([Your C compiler does not support some of the required C99 features.])
	fi

	AC_PROG_LIBTOOL
	AC_PROG_INSTALL

	# Test for the reentrant POSIX functions we use
	AC_CHECK_FUNCS([getpwuid_r getpwnam_r], [],
	[AC_MSG_ERROR([A required function was not found on your system.])])
	AC_CHECK_FUNCS([getlogin_r], [], [AC_MSG_WARN([

	If multiple users share the same user ID on this system, svnserve
	may use the wrong username as the argument to svnserve's
	'--tunnel-user' parameter. This is because the POSIX function
	getlogin_r() was not found on your system. The function
	getpwuid_r() will be used instead, which means that another
	username corresponding to the shared UID may be returned by
	svnstsw_get_tunnel_user_name().
	])])

	# Have autoconf tests modify the following variables rather than
	# CPPFLAGS, CFLAGS, etc. This allows automake .am files to override
	# these flags (by appending to them) without overriding user-specified
	# flags.
	AC_SUBST([CONFIGURECPPFLAGS])
	AC_SUBST([CONFIGURECFLAGS])
	AC_SUBST([CONFIGURECXXFLAGS])
	AC_SUBST([CONFIGURELDFLAGS])
	AC_SUBST([CONFIGURELIBTOOLFLAGS])

	# increase compiler strictness
	if test "x$GCC" = "xyes" ; then
	CONFIGURECFLAGS="-Wall -Werror $CONFIGURECFLAGS"
	fi
	if test "x$GXX" = "xyes" ; then
	CONFIGURECXXFLAGS="-Wall -Werror $CONFIGURECXXFLAGS"
	fi

	# The following makes sure that the include subdirectory is included,
	# even in VPATH builds. Unfortunately, autoconf doesn't define a
	# shell variable containing the absolute path to the top source
	# directory (at least it's not documented), so we can't use that here.
	# However, it does have a preset output variable. The following
	# causes a literal '-I${top_srcdir}/include' to appear in the
	# definition of the CONFIGURECPPFLAGS variable. The '${top_srcdir}'
	# is then substituted by make. Unfortunately, this is somewhat
	# broken: If we want to do further autoconf tests using this include,
	# the '${top_srcdir}' either won't be substituted or it will be
	# substituted with an empty string since there is no 'top_srcdir'
	# shell variable defined by autoconf. TODO: figure out a way around
	# this.
	#
	CONFIGURECPPFLAGS="-I\${top_srcdir}/include $CONFIGURECPPFLAGS"

	# find libapr
	STSW_LIB_APR([0\.9\.@<:@7-9@:>@ 0\.9\.1@<:@0-9@:>@ 1\.])
	CONFIGURECPPFLAGS="$STSW_APR_CPPFLAGS $STSW_APR_INCLUDES $CONFIGURECPPFLAGS"
	CONFIGURECFLAGS="$STSW_APR_CFLAGS $CONFIGURECFLAGS"
	CONFIGURELDFLAGS="$STSW_APR_LDFLAGS $STSW_APR_LIBS $CONFIGURELDFLAGS"

	# find doxygen for generating the source code documentation
	STSW_PROG_DOXYGEN
	DOXYFILE_PREDEFINED="$DOXYFILE_PREDEFINED HAVE_CONFIG_H=1"

	# Test for the location of svnserve
	AC_ARG_WITH(
	[svnserve],
	[AS_HELP_STRING(
	[--with-svnserve=/path/to/svnserve],

	[Full path to the svnserve executable. This string will be
	used literally to start svnserve; e.g.,
	execl("/given/path/to/svnserve", ...). For security reasons,
	this can not be a relative path -- it must start with "/".
	Note that this path can point to any executable that accepts
	svnserve's arguments, such as another svnserve wrapper. Do
	not provide a path to a script unless you are fully aware of
	the security problems that arise when a script is run as a
	different user. If left unspecified, configure will search
	the PATH for svnserve.])],

	[
	if test "x$withval" = "xyes" ; then
	AC_PATH_PROG([SVNSERVE], [svnserve])
	else
	AC_MSG_CHECKING([for svnserve])
	SVNSERVE=$withval
	AC_MSG_RESULT([$SVNSERVE])
	fi
	],
	[
	AC_PATH_PROG([SVNSERVE], [svnserve])
	])
	case "$SVNSERVE" in
	/*)
	# absolute path
	;;
	*)
	# relative path
	AC_MSG_ERROR([You must specify a full path to the svnserve executable using "--with-svnserve=/path/to/svnserve"])
	;;
	esac
	AC_DEFINE_UNQUOTED([SVNSERVE], ["$SVNSERVE"], [Define to the desired svnserve binary to run.])

	# Ask user if root override is acceptable
	stsw_root_override=yes
	AC_ARG_ENABLE(
	[svnserve-root-override],
	[AS_HELP_STRING(
	[--disable-svnserve-root-override],

	[Tell svnstsw to ignore the -r and --root command-line
	options. This prevents a user from specifying a virtual root
	path, ensuring that the default path (given by
	--with-svnserve-root-default) is always passed to the
	svnserve executable (given by --with-svnserve) using
	svnserve's --root command-line option. Allowing a user to
	specify a different virtual root could be a security concern
	if there is a repository that is accessible to the svnstsw
	wrapper and that repository uses a username namespace that is
	different from the system username namespace.])],

	[
	if test "x$enableval" != "xyes" ; then
	stsw_root_override=no
	fi
	])
	AC_MSG_CHECKING([if users should be allowed to override the default repository virtual root])
	stsw_root_override_bool=1
	if test "x$stsw_root_override" = "xno" ; then
	stsw_root_override_bool=0
	fi
	AC_DEFINE_UNQUOTED([ALLOW_SVNSERVE_ROOT_OVERRIDE], [$stsw_root_override_bool], [Define to 1 if svnstsw should honor the -r and --root command-line arguments, 0 otherwise.])
	AC_MSG_RESULT([$stsw_root_override])

	# Ask the user for the default svn repository root
	stsw_root_default=/
	AC_ARG_WITH(
	[svnserve-root-default],
	[AS_HELP_STRING(
	[--with-svnserve-root-default=/path/to/svn/virtual/root],

	[Specify the default path to pass as the argument to
	svnserve's --root command-line option. The given path will
	be passed to svnserve if the user of svnstsw does not pass -r
	or --root to svnstsw or if svnstsw is configured to prevent
	users from specifying a virtual root path (via
	--disable-svnserve-root-override). If unspecified, "/" is
	used.])],

	[
	if test "x$withval" != "xyes" && test "x$withval" != "xno" ; then
	stsw_root_default=$withval
	fi
	])
	AC_MSG_CHECKING([for the default repository virtual root path])
	AC_DEFINE_UNQUOTED([SVNSERVE_DEFAULT_ROOT], ["$stsw_root_default"], [Define to the desired default repository virtual root path.])
	AC_MSG_RESULT([$stsw_root_default])

	# Ask the user for the file mode creation mask
	stsw_umask="S_IRWXO"
	AC_ARG_WITH(
	[umask],
	[AS_HELP_STRING(
	[--with-umask=<mode_t expression>],

	[Specify the file mode creation mask to use when the program
	is run. This must be a C constant expression with a type
	that is compatible with mode_t (see the umask(3) man page and
	<sys/stat.h>). If unspecified, "S_IRWXO" is used (which
	disables read, write, and execute for others/world and allows
	read, write, and execute for the user and group).])],

	[
	if test "x$withval" != "xyes" && test "x$withval" != "xno" ; then
	stsw_umask=$withval
	fi
	])
	AC_MSG_CHECKING([for the file mode creation mask])
	AC_DEFINE_UNQUOTED([SVNSTSW_UMASK()], [($stsw_umask)], [Define to the desired file mode creation mask.])
	AC_MSG_RESULT([$stsw_umask])

	AC_OUTPUT