Quoting Stéphane Graber (stgra...@ubuntu.com):
> This commit doesn't do any functional change to configure.ac but does a fair
> amount of cleaning up.
>
> It re-orders the various blocks by type (options, checks, expands, ...).
> It also consistently uses tabs for indents.
>
> Signed-off-by: Stéphane Graber <stgra...@ubuntu.com>
Acked-by: Serge E. Hallyn <serge.hal...@ubuntu.com>
> ---
> configure.ac | 116
> +++++++++++++++++++++++++++++++----------------------------
> 1 file changed, 61 insertions(+), 55 deletions(-)
>
> diff --git a/configure.ac b/configure.ac
> index 9694d30..564df0e 100644
> --- a/configure.ac
> +++ b/configure.ac
> @@ -10,10 +10,11 @@ AM_INIT_AUTOMAKE([-Wall -Werror -Wno-portability])
> AC_CANONICAL_HOST
> AM_PROG_CC_C_O
> AC_GNU_SOURCE
> -AC_CHECK_PROG(SETCAP, setcap, yes, no, $PATH$PATH_SEPARATOR/sbin)
>
> +# Detect the distribution. This is used for the default configuration and
> +# for some distro-specific build options.
> AC_MSG_CHECKING([host distribution])
> -AC_ARG_WITH(distro, AS_HELP_STRING([--with-distro=DISTRO], [Specify the
> Linux distribution to target: One of redhat, oracle, fedora, suse, gentoo,
> debian, arch, slackware, paldo, mandriva or pardus]))
> +AC_ARG_WITH(distro, AS_HELP_STRING([--with-distro=DISTRO], [Specify the
> Linux distribution to target: One of redhat, oracle, fedora, suse, gentoo,
> debian, arch, slackware, paldo, mandriva or pardus.]))
> if test "z$with_distro" = "z"; then
> with_distro=`lsb_release -is`
> fi
> @@ -49,15 +50,15 @@ case $with_distro in
> ;;
> esac
> AC_MSG_RESULT([$with_distro])
> -
> AM_CONDITIONAL([HAVE_DEBIAN], [test x"$with_distro" = "xdebian" -o
> x"$with_distro" = "xubuntu"])
>
> +# Allow disabling rpath
> AC_ARG_ENABLE([rpath],
> [AC_HELP_STRING([--disable-rpath], [do not set rpath in executables])],
> [], [enable_rpath=yes])
> -
> AM_CONDITIONAL([ENABLE_RPATH], [test "x$enable_rpath" = "xyes"])
>
> +# Documentation (manpages)
> AC_ARG_ENABLE([doc],
> [AC_HELP_STRING([--enable-doc], [make mans (require docbook2x-man
> installed) [default=auto]])],
> [], [enable_doc=auto])
> @@ -74,9 +75,9 @@ if test "x$enable_doc" = "xyes" -o "x$enable_doc" =
> "xauto"; then
> done
>
> if test -n "${db2xman}"; then
> - AC_MSG_RESULT(${db2xman})
> + AC_MSG_RESULT([${db2xman}])
> else
> - AC_MSG_RESULT(no)
> + AC_MSG_RESULT([no])
> if test "x$enable_doc" = "xyes"; then
> AC_MSG_ERROR([docbook2x-man required by man request,
> but not found])
> fi
> @@ -84,7 +85,9 @@ if test "x$enable_doc" = "xyes" -o "x$enable_doc" =
> "xauto"; then
>
> AC_SUBST(db2xman)
> fi
> +AM_CONDITIONAL([ENABLE_DOCBOOK], [test "x$db2xman" != "x"])
>
> +# Apparmor
> AC_ARG_ENABLE([apparmor],
> [AC_HELP_STRING([--enable-apparmor], [enable apparmor])],
> [], [enable_apparmor=check])
> @@ -92,14 +95,14 @@ AC_ARG_ENABLE([apparmor],
> if test "$enable_apparmor" = "check" ; then
> AC_CHECK_LIB([apparmor],[aa_change_profile],[enable_apparmor=yes],
> [enable_apparmor=no])
> fi
> -
> AM_CONDITIONAL([ENABLE_APPARMOR], [test "x$enable_apparmor" = "xyes"])
>
> AM_COND_IF([ENABLE_APPARMOR],
> - [AC_CHECK_HEADER([sys/apparmor.h],[],[AC_MSG_ERROR([You must install the
> AppArmor development package in order to compile lxc])])
> - AC_CHECK_LIB([apparmor], [aa_change_profile],[],[AC_MSG_ERROR([You must
> install the AppArmor development package in order to compile lxc])])
> - AC_SUBST([APPARMOR_LIBS], [-lapparmor])])
> + [AC_CHECK_HEADER([sys/apparmor.h],[],[AC_MSG_ERROR([You must install
> the AppArmor development package in order to compile lxc])])
> + AC_CHECK_LIB([apparmor], [aa_change_profile],[],[AC_MSG_ERROR([You must
> install the AppArmor development package in order to compile lxc])])
> + AC_SUBST([APPARMOR_LIBS], [-lapparmor])])
>
> +# Seccomp syscall filter
> AC_ARG_ENABLE([seccomp],
> [AC_HELP_STRING([--enable-seccomp], [enable seccomp])],
> [], [enable_seccomp=check])
> @@ -107,119 +110,121 @@ AC_ARG_ENABLE([seccomp],
> if test "$enable_seccomp" = "check" ; then
>
> AC_CHECK_LIB([seccomp],[seccomp_init],[enable_seccomp=yes],[enable_seccomp=no])
> fi
> -
> AM_CONDITIONAL([ENABLE_SECCOMP], [test "x$enable_seccomp" = "xyes"])
>
> AM_COND_IF([ENABLE_SECCOMP],
> - [AC_CHECK_HEADER([seccomp.h],[],[AC_MSG_ERROR([You must install the
> seccomp development package in order to compile lxc])])
> - AC_CHECK_LIB([seccomp], [seccomp_init],[],[AC_MSG_ERROR([You must
> install the seccomp development package in order to compile lxc])])
> - AC_SUBST([SECCOMP_LIBS], [-lseccomp])])
> + [AC_CHECK_HEADER([seccomp.h],[],[AC_MSG_ERROR([You must install the
> seccomp development package in order to compile lxc])])
> + AC_CHECK_LIB([seccomp], [seccomp_init],[],[AC_MSG_ERROR([You must
> install the seccomp development package in order to compile lxc])])
> + AC_SUBST([SECCOMP_LIBS], [-lseccomp])])
>
> # HAVE_SCMP_FILTER_CTX=1 will tell us we have libseccomp api >= 1.0.0
> AC_CHECK_TYPES([scmp_filter_ctx], [], [], [#include <seccomp.h>])
>
> -AM_CONDITIONAL([ENABLE_DOCBOOK], [test "x$db2xman" != "x"])
> -
> +# Configuration examples
> AC_ARG_ENABLE([examples],
> [AC_HELP_STRING([--disable-examples], [do not install configuration
> examples])],
> [], [enable_examples=yes])
> -
> AM_CONDITIONAL([ENABLE_EXAMPLES], [test "x$enable_examples" = "xyes"])
>
> +# Python3 module and scripts
> AC_ARG_ENABLE([python],
> [AC_HELP_STRING([--enable-python], [enable python binding])],
> [enable_python=yes], [enable_python=no])
> -
> AM_CONDITIONAL([ENABLE_PYTHON], [test "x$enable_python" = "xyes"])
>
> AM_COND_IF([ENABLE_PYTHON],
> - [AM_PATH_PYTHON([3.2], [], [AC_MSG_ERROR([You must install python3])])
> - AC_CHECK_HEADER([python$PYTHON_VERSION/Python.h],[],[AC_MSG_ERROR([You
> must install python3-dev])])
> - AC_DEFINE_UNQUOTED([ENABLE_PYTHON], 1, [Python3 is available])])
> + [AM_PATH_PYTHON([3.2], [], [AC_MSG_ERROR([You must install python3])])
> + AC_CHECK_HEADER([python$PYTHON_VERSION/Python.h],[],[AC_MSG_ERROR([You
> must install python3-dev])])
> + AC_DEFINE_UNQUOTED([ENABLE_PYTHON], 1, [Python3 is available])])
>
> +# Optional test binaries
> AC_ARG_ENABLE([tests],
> [AC_HELP_STRING([--enable-tests], [build test/example binaries])],
> [enable_tests=yes], [enable_tests=no])
> -
> AM_CONDITIONAL([ENABLE_TESTS], [test "x$enable_tests" = "xyes"])
>
> -AS_AC_EXPAND(PREFIX, $prefix)
> -AS_AC_EXPAND(LIBDIR, $libdir)
> -AS_AC_EXPAND(BINDIR, $bindir)
> -AS_AC_EXPAND(LIBEXECDIR, $libexecdir)
> -AS_AC_EXPAND(INCLUDEDIR, $includedir)
> -AS_AC_EXPAND(SYSCONFDIR, $sysconfdir)
> -AS_AC_EXPAND(DATADIR, $datadir)
> -AS_AC_EXPAND(LOCALSTATEDIR, $localstatedir)
> -AS_AC_EXPAND(DOCDIR, $docdir)
> -
> +# LXC container path, where the containers are actually stored
> AC_ARG_WITH([config-path],
> [AC_HELP_STRING(
> [--with-config-path=dir],
> [lxc configuration repository path]
> )], [], [with_config_path=['${localstatedir}/lib/lxc']])
>
> +# Rootfs path, where the container mount structure is assembled
> AC_ARG_WITH([rootfs-path],
> [AC_HELP_STRING(
> [--with-rootfs-path=dir],
> [lxc rootfs mount point]
> )], [], [with_rootfs_path=['${libdir}/lxc/rootfs']])
>
> -AS_AC_EXPAND(LXC_CONFFILE, $conffile)
> +# Expand some useful variables
> +AS_AC_EXPAND(PREFIX, "$prefix")
> +AS_AC_EXPAND(LIBDIR, "$libdir")
> +AS_AC_EXPAND(BINDIR, "$bindir")
> +AS_AC_EXPAND(LIBEXECDIR, "$libexecdir")
> +AS_AC_EXPAND(INCLUDEDIR, "$includedir")
> +AS_AC_EXPAND(SYSCONFDIR, "$sysconfdir")
> +AS_AC_EXPAND(DATADIR, "$datadir")
> +AS_AC_EXPAND(LOCALSTATEDIR, "$localstatedir")
> +AS_AC_EXPAND(DOCDIR, "$docdir")
> +AS_AC_EXPAND(LXC_CONFFILE, "$conffile")
> AS_AC_EXPAND(LXC_GENERATE_DATE, "$(date)")
> -AS_AC_EXPAND(LXCPATH, "${with_config_path}")
> -AS_AC_EXPAND(LXCROOTFSMOUNT, "${with_rootfs_path}")
> -AS_AC_EXPAND(LXCTEMPLATEDIR, ['${datadir}/lxc/templates'])
> -
> -AS_AC_EXPAND(LXCINITDIR, ['${libexecdir}'])
> +AS_AC_EXPAND(LXCPATH, "$with_config_path")
> +AS_AC_EXPAND(LXCROOTFSMOUNT, "$with_rootfs_path")
> +AS_AC_EXPAND(LXCTEMPLATEDIR, "$datadir/lxc/templates")
> +AS_AC_EXPAND(LXCINITDIR, "$libexecdir")
>
> +# Check for some standard kernel headers
> AC_CHECK_HEADERS([linux/unistd.h linux/netlink.h linux/genetlink.h],
> - [],
> - AC_MSG_ERROR([Please install the Linux kernel
> headers.]),
> - [#include <sys/socket.h>
> - ])
> + [],
> + AC_MSG_ERROR([Please install the Linux kernel
> headers.]),
> + [#include <sys/socket.h>])
>
> +# Check for libcap support
> AC_CHECK_HEADERS([sys/capability.h], [], AC_MSG_ERROR([Please install the
> libcap development files.]),
> [#include <sys/types.h>
> #include <sys/capability.h>])
> AC_CHECK_LIB(cap,cap_set_proc,caplib=yes,caplib=no)
> AC_MSG_CHECKING([linux capabilities])
> if test "x$caplib" = "xyes" ; then
> - CAP_LIBS="-lcap"
> - AC_MSG_RESULT([$CAP_LIBS])
> + CAP_LIBS="-lcap"
> + AC_MSG_RESULT([$CAP_LIBS])
> else
> - AC_MSG_ERROR([not found])
> + AC_MSG_ERROR([not found])
> fi
> AC_SUBST([CAP_LIBS])
>
> # Check for alternate C libraries
> AC_MSG_CHECKING(for bionic libc)
> AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
> - [[#ifndef __ANDROID__
> + [[#ifndef __ANDROID__
> error: Not bionic!
> #endif]])],
> - [is_bionic=yes],
> - [is_bionic=no])
> + [is_bionic=yes],
> + [is_bionic=no])
> if test "x$is_bionic" = "xyes"; then
> - AC_DEFINE([IS_BIONIC], 1, ["bionic libc"])
> - AC_MSG_RESULT([yes])
> + AC_DEFINE([IS_BIONIC], 1, [bionic libc])
> + AC_MSG_RESULT([yes])
> else
> - AC_MSG_RESULT([no])
> + AC_MSG_RESULT([no])
> fi
> AM_CONDITIONAL([IS_BIONIC], [test "x$is_bionic" = "xyes"])
>
> # Some systems lack PR_CAPBSET_DROP definition => HAVE_DECL_PR_CAPBSET_DROP
> AC_CHECK_DECLS([PR_CAPBSET_DROP], [], [], [#include <sys/prctl.h>])
>
> +# Check for optional headers
> AC_CHECK_HEADERS([sys/signalfd.h])
>
> +# Check for some standard binaries
> AC_PROG_GCC_TRADITIONAL
> AC_PROG_SED
>
> if test "x$GCC" = "xyes"; then
> - CFLAGS="$CFLAGS -Wall -Werror"
> + CFLAGS="$CFLAGS -Wall -Werror"
> fi
>
> +# Files requiring some variable expansion
> AC_CONFIG_FILES([
> Makefile
> lxc.pc
> @@ -295,13 +300,15 @@ AC_CONFIG_FILES([
> src/python-lxc/examples/api_test.py
>
> src/tests/Makefile
> -
> ])
> AC_CONFIG_COMMANDS([default],[[]],[[]])
> AC_OUTPUT
>
> +
> +# Detect missing setcap binary
> +AC_CHECK_PROG(SETCAP, setcap, yes, no, $PATH$PATH_SEPARATOR/sbin)
> if test "x$SETCAP" = "xno"; then
> - AC_MSG_NOTICE([
> + AC_MSG_NOTICE([
>
> Warning:
> --------
> @@ -324,5 +331,4 @@ you can add the needed capabilities to the tools by
> invoking
> the 'lxc-setcap' script. To remove the capabilities, use
> 'lxc-setcap -d'.
> ])
> -
> fi
> --
> 1.8.0
>
>
> ------------------------------------------------------------------------------
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