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configure.ac: Make our configure more consistent

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This commit does the following changes:
 - Disable rpath by default
 - Switch all of our options to --enable-FEATURE in the help
 - Add auto-detection of libcap availability
 - Add auto-detection of python3 availability
 - Always specify the default value in --help
 - Add a configuration overview at the end

Signed-off-by: Stéphane Graber <stgraber@ubuntu.com>
Signed-off-by: Serge Hallyn <serge.hallyn@ubuntu.com>
This commit is contained in:
Stéphane Graber 2013-12-15 18:48:38 -05:00 committed by Serge Hallyn
parent e8eab8b6d4
commit f91d5e4e3f
1 changed files with 98 additions and 54 deletions
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152
configure.ac
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@ -72,13 +72,13 @@ AM_CONDITIONAL([DISTRO_UBUNTU], [test "x$with_distro" = "xubuntu"])
# Allow disabling rpath # Allow disabling rpath
AC_ARG_ENABLE([rpath], AC_ARG_ENABLE([rpath],
[AC_HELP_STRING([--disable-rpath], [do not set rpath in executables])], [AC_HELP_STRING([--enable-rpath], [set rpath in executables [default=no]])],
[], [enable_rpath=yes]) [], [enable_rpath=no])
AM_CONDITIONAL([ENABLE_RPATH], [test "x$enable_rpath" = "xyes"]) AM_CONDITIONAL([ENABLE_RPATH], [test "x$enable_rpath" = "xyes"])
# Documentation (manpages) # Documentation (manpages)
AC_ARG_ENABLE([doc], AC_ARG_ENABLE([doc],
[AC_HELP_STRING([--enable-doc], [make mans (requires docbook2man or docbook2x-man to be installed) [default=auto]])], [AC_HELP_STRING([--enable-doc], [make man pages [default=auto]])],
[], [enable_doc=auto]) [], [enable_doc=auto])
if test "x$enable_doc" = "xyes" -o "x$enable_doc" = "xauto"; then if test "x$enable_doc" = "xyes" -o "x$enable_doc" = "xauto"; then
@ -95,11 +95,13 @@ if test "x$enable_doc" = "xyes" -o "x$enable_doc" = "xauto"; then
if test -n "${db2xman}"; then if test -n "${db2xman}"; then
AC_MSG_RESULT([${db2xman}]) AC_MSG_RESULT([${db2xman}])
enable_doc="yes"
else else
AC_MSG_RESULT([no]) AC_MSG_RESULT([no])
if test "x$enable_doc" = "xyes"; then if test "x$enable_doc" = "xyes"; then
AC_MSG_ERROR([docbook2x-man required by man request, but not found]) AC_MSG_ERROR([docbook2x-man is required, but could not be found])
fi fi
enable_doc="no"
fi fi
AC_SUBST(db2xman) AC_SUBST(db2xman)
@ -117,22 +119,31 @@ AC_SUBST(docdtd)
# Documentation (API) # Documentation (API)
AC_ARG_ENABLE([api-docs], AC_ARG_ENABLE([api-docs],
[AC_HELP_STRING([--enable-api-docs], [AC_HELP_STRING([--enable-api-docs],
[make API documentation (requires doxygen to be installed) [default=auto]])], [make API documentation [default=auto]])],
[], [enable_api_docs=auto]) [], [enable_api_docs=auto])
if test "x$enable_api_docs" = "xyes" -o "x$enable_api_docs" = "xauto"; then if test "x$enable_api_docs" = "xyes" -o "x$enable_api_docs" = "xauto"; then
AC_CHECK_PROGS([HAVE_DOXYGEN],[doxygen]) AC_CHECK_PROGS([HAVE_DOXYGEN],[doxygen])
AC_SUBST([HAVE_DOXYGEN]) AC_SUBST([HAVE_DOXYGEN])
if test "x$HAVE_DOXYGEN" != "x"; then
enable_api_docs="yes"
else
if test "x$enable_api_docs" = "xyes"; then
AC_MSG_ERROR([doxygen is required, but could not be found])
fi
enable_api_docs="no"
fi
fi fi
AM_CONDITIONAL([ENABLE_API_DOCS], [test ! -z "$HAVE_DOXYGEN"]) AM_CONDITIONAL([ENABLE_API_DOCS], [test "x$HAVE_DOXYGEN" != "x"])
# Apparmor # Apparmor
AC_ARG_ENABLE([apparmor], AC_ARG_ENABLE([apparmor],
[AC_HELP_STRING([--enable-apparmor], [enable apparmor])], [AC_HELP_STRING([--enable-apparmor], [enable apparmor support [default=auto]])],
[], [enable_apparmor=check]) [], [enable_apparmor=auto])
if test "$enable_apparmor" = "check" ; then if test "$enable_apparmor" = "auto" ; then
AC_CHECK_LIB([apparmor],[aa_change_profile],[enable_apparmor=yes], [enable_apparmor=no]) AC_CHECK_LIB([apparmor],[aa_change_profile],[enable_apparmor=yes], [enable_apparmor=no])
fi fi
AM_CONDITIONAL([ENABLE_APPARMOR], [test "x$enable_apparmor" = "xyes"]) AM_CONDITIONAL([ENABLE_APPARMOR], [test "x$enable_apparmor" = "xyes"])
@ -146,10 +157,10 @@ AM_COND_IF([ENABLE_APPARMOR],
# SELinux # SELinux
AC_ARG_ENABLE([selinux], AC_ARG_ENABLE([selinux],
[AC_HELP_STRING([--enable-selinux], [enable SELinux support])], [AC_HELP_STRING([--enable-selinux], [enable SELinux support [default=auto]])],
[], [enable_selinux=check]) [], [enable_selinux=auto])
if test "x$enable_selinux" = xcheck; then if test "x$enable_selinux" = xauto; then
AC_CHECK_LIB([selinux],[setexeccon_raw],[enable_selinux=yes],[enable_selinux=no]) AC_CHECK_LIB([selinux],[setexeccon_raw],[enable_selinux=yes],[enable_selinux=no])
fi fi
AM_CONDITIONAL([ENABLE_SELINUX], [test "x$enable_selinux" = "xyes"]) AM_CONDITIONAL([ENABLE_SELINUX], [test "x$enable_selinux" = "xyes"])
@ -160,10 +171,10 @@ AM_COND_IF([ENABLE_SELINUX],
# Seccomp syscall filter # Seccomp syscall filter
AC_ARG_ENABLE([seccomp], AC_ARG_ENABLE([seccomp],
[AC_HELP_STRING([--enable-seccomp], [enable seccomp])], [AC_HELP_STRING([--enable-seccomp], [enable seccomp support [default=auto]])],
[], [enable_seccomp=check]) [], [enable_seccomp=auto])
if test "$enable_seccomp" = "check" ; then if test "x$enable_seccomp" = "xauto" ; then
AC_CHECK_LIB([seccomp],[seccomp_init],[enable_seccomp=yes],[enable_seccomp=no]) AC_CHECK_LIB([seccomp],[seccomp_init],[enable_seccomp=yes],[enable_seccomp=no])
fi fi
AM_CONDITIONAL([ENABLE_SECCOMP], [test "x$enable_seccomp" = "xyes"]) AM_CONDITIONAL([ENABLE_SECCOMP], [test "x$enable_seccomp" = "xyes"])
@ -173,19 +184,41 @@ AM_COND_IF([ENABLE_SECCOMP],
AC_CHECK_LIB([seccomp], [seccomp_init],[],[AC_MSG_ERROR([You must install the seccomp development package in order to compile lxc])]) AC_CHECK_LIB([seccomp], [seccomp_init],[],[AC_MSG_ERROR([You must install the seccomp development package in order to compile lxc])])
AC_SUBST([SECCOMP_LIBS], [-lseccomp])]) AC_SUBST([SECCOMP_LIBS], [-lseccomp])])
# Linux capabilities
AC_ARG_ENABLE([capabilities],
[AC_HELP_STRING([--enable-capabilities], [enable kernel capabilities support [default=auto]])],
[], [enable_capabilities=auto])
if test "x$enable_capabilities" = "xauto"; then
AC_CHECK_LIB([cap],[cap_set_proc],[enable_capabilities=yes],[enable_capabilities=no])
fi
AM_CONDITIONAL([ENABLE_CAP], [test "x$enable_capabilities" = "xyes"])
AM_COND_IF([ENABLE_CAP],
[AC_CHECK_LIB(cap,cap_set_proc,[],[AC_MSG_ERROR([You are missing libcap support.])])
AC_SUBST([CAP_LIBS], [-lcap])])
# HAVE_SCMP_FILTER_CTX=1 will tell us we have libseccomp api >= 1.0.0 # HAVE_SCMP_FILTER_CTX=1 will tell us we have libseccomp api >= 1.0.0
AC_CHECK_TYPES([scmp_filter_ctx], [], [], [#include <seccomp.h>]) AC_CHECK_TYPES([scmp_filter_ctx], [], [], [[#include <seccomp.h>]])
# Configuration examples # Configuration examples
AC_ARG_ENABLE([examples], AC_ARG_ENABLE([examples],
[AC_HELP_STRING([--disable-examples], [do not install configuration examples])], [AC_HELP_STRING([--enable-examples], [install examples [default=yes]])],
[], [enable_examples=yes]) [], [enable_examples=yes])
AM_CONDITIONAL([ENABLE_EXAMPLES], [test "x$enable_examples" = "xyes"]) AM_CONDITIONAL([ENABLE_EXAMPLES], [test "x$enable_examples" = "xyes"])
# We need pkg-config
PKG_PROG_PKG_CONFIG
# Python3 module and scripts # Python3 module and scripts
AC_ARG_ENABLE([python], AC_ARG_ENABLE([python],
[AC_HELP_STRING([--enable-python], [enable python binding])], [AC_HELP_STRING([--enable-python], [enable python binding [default=auto]])],
[enable_python=yes], [enable_python=no]) [], [enable_python=auto])
if test "x$enable_python" = "xauto"; then
PKG_CHECK_MODULES([PYTHONDEV], [python3 >= 3.2],[enable_python=yes],[enable_python=no])
fi
AM_CONDITIONAL([ENABLE_PYTHON], [test "x$enable_python" = "xyes"]) AM_CONDITIONAL([ENABLE_PYTHON], [test "x$enable_python" = "xyes"])
AM_COND_IF([ENABLE_PYTHON], AM_COND_IF([ENABLE_PYTHON],
@ -195,8 +228,8 @@ AM_COND_IF([ENABLE_PYTHON],
# Enable dumping stack traces # Enable dumping stack traces
AC_ARG_ENABLE([mutex-debugging], AC_ARG_ENABLE([mutex-debugging],
[AC_HELP_STRING([--enable-mutex-debugging], [Makes mutexes to report error and provide stack trace])], [AC_HELP_STRING([--enable-mutex-debugging], [Makes mutexes to report error and provide stack trace [default=no]])],
[enable_mutex_debugging=yes], [enable_mutex_debugging=no]) [], [enable_mutex_debugging=no])
AM_CONDITIONAL([MUTEX_DEBUGGING], [test "x$enable_mutex_debugging" = "xyes"]) AM_CONDITIONAL([MUTEX_DEBUGGING], [test "x$enable_mutex_debugging" = "xyes"])
AM_COND_IF([MUTEX_DEBUGGING], AM_COND_IF([MUTEX_DEBUGGING],
@ -225,8 +258,8 @@ m4_ifdef([PKG_CHECK_VAR], [],
# Lua module and scripts # Lua module and scripts
AC_ARG_ENABLE([lua], AC_ARG_ENABLE([lua],
[AC_HELP_STRING([--enable-lua], [enable lua binding])], [AC_HELP_STRING([--enable-lua], [enable lua binding [default=auto]])],
[], [enable_lua=check]) [], [enable_lua=auto])
AC_ARG_WITH([lua-pc], AC_ARG_WITH([lua-pc],
[AS_HELP_STRING( [AS_HELP_STRING(
@ -239,7 +272,7 @@ if test "x$enable_lua" = "xyes" -a "x$with_lua_pc" != "xno"; then
PKG_CHECK_MODULES([LUA], [$with_lua_pc], [LUAPKGCONFIG=$with_lua_pc]) PKG_CHECK_MODULES([LUA], [$with_lua_pc], [LUAPKGCONFIG=$with_lua_pc])
fi fi
if test "x$enable_lua" = "xcheck" -a "x$with_lua_pc" != "xno"; then if test "x$enable_lua" = "xauto" -a "x$with_lua_pc" != "xno"; then
PKG_CHECK_MODULES([LUA], [$with_lua_pc], PKG_CHECK_MODULES([LUA], [$with_lua_pc],
[LUAPKGCONFIG=$with_lua_pc [LUAPKGCONFIG=$with_lua_pc
enable_lua=yes], enable_lua=yes],
@ -274,8 +307,8 @@ AM_COND_IF([ENABLE_LUA],
# Optional test binaries # Optional test binaries
AC_ARG_ENABLE([tests], AC_ARG_ENABLE([tests],
[AC_HELP_STRING([--enable-tests], [build test/example binaries])], [AC_HELP_STRING([--enable-tests], [build test/example binaries [default=no]])],
[enable_tests=yes], [enable_tests=no]) [], [enable_tests=no])
AM_CONDITIONAL([ENABLE_TESTS], [test "x$enable_tests" = "xyes"]) AM_CONDITIONAL([ENABLE_TESTS], [test "x$enable_tests" = "xyes"])
# LXC container path, where the containers are actually stored # LXC container path, where the containers are actually stored
@ -325,12 +358,12 @@ AC_ARG_WITH([cgroup-pattern],
# Container log path. By default, use $lxcpath. # Container log path. By default, use $lxcpath.
AC_MSG_CHECKING([Whether to place logfiles in container config path]) AC_MSG_CHECKING([Whether to place logfiles in container config path])
AC_ARG_ENABLE([configpath-log], AC_ARG_ENABLE([configpath-log],
[AC_HELP_STRING([--enable-configpath-log], [use logfiles in config path])], [AC_HELP_STRING([--enable-configpath-log], [use logfiles in config path [default=no]])],
[use_configpath_logs=yes], [use_configpath_logs=no]) [], [enable_configpath_log=no])
AC_MSG_RESULT([$use_configpath_logs]) AC_MSG_RESULT([$enable_configpath_log])
AM_CONDITIONAL([USE_CONFIGPATH_LOGS], [test "$use_configpath_logs" = "yes"]) AM_CONDITIONAL([USE_CONFIGPATH_LOGS], [test "$enable_configpath_log" = "yes"])
if test "$use_configpath_logs" = "yes"; then if test "$enable_configpath_log" = "yes"; then
default_log_path="${with_config_path}" default_log_path="${with_config_path}"
else else
default_log_path="${localstatedir}/log/lxc" default_log_path="${localstatedir}/log/lxc"
@ -373,27 +406,6 @@ AC_CHECK_HEADERS([linux/unistd.h linux/netlink.h linux/genetlink.h],
AC_MSG_ERROR([Please install the Linux kernel headers.]), AC_MSG_ERROR([Please install the Linux kernel headers.]),
[#include <sys/socket.h>]) [#include <sys/socket.h>])
# Allow disabling libcap support
AC_ARG_ENABLE([capabilities],
[AC_HELP_STRING([--disable-capabilities], [disable kernel capabilities])],
[], [enable_capabilities=yes])
# Check for libcap support
if test "x$enable_capabilities" = "xyes"; then
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])
else
AC_MSG_RESULT([no])
AC_MSG_ERROR([You are missing libcap support. If you really want to build without kernel capabilities, use --disable-capabilities])
fi
else
CAP_LIBS=""
fi
AC_SUBST([CAP_LIBS])
# Check for alternate C libraries # Check for alternate C libraries
AC_MSG_CHECKING(for bionic libc) AC_MSG_CHECKING(for bionic libc)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM( AC_COMPILE_IFELSE([AC_LANG_PROGRAM(
@ -577,3 +589,35 @@ AC_CONFIG_FILES([
]) ])
AC_CONFIG_COMMANDS([default],[[]],[[]]) AC_CONFIG_COMMANDS([default],[[]],[[]])
AC_OUTPUT AC_OUTPUT
# Configuration overview
cat << EOF
----------------------------
Environment:
- compiler: $CC
- distribution: $with_distro
- rpath: $enable_rpath
Security features:
- Apparmor: $enable_apparmor
- Linux capabilities: $enable_capabilities
- seccomp: $enable_seccomp
- SELinux: $enable_selinux
Bindings:
- lua: $enable_lua
- python3: $enable_python
Documentation:
- examples: $enable_examples
- API documentation: $enable_api_docs
- user documentation: $enable_doc
Debugging:
- tests: $enable_tests
- mutex debugging: $enable_mutex_debugging
Paths:
- Logs in configpath: $enable_configpath_log
EOF