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> --- 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 ------------------------------------------------------------------------------ Master SQL Server Development, Administration, T-SQL, SSAS, SSIS, SSRS and more. Get SQL Server skills now (including 2012) with LearnDevNow - 200+ hours of step-by-step video tutorials by Microsoft MVPs and experts. SALE $99.99 this month only - learn more at: http://p.sf.net/sfu/learnmore_122512 _______________________________________________ Lxc-devel mailing list Lxc-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lxc-devel