chiark / gitweb /
bash-completion: list valid signal names
[elogind.git] / configure.ac
index 24f4d0dd69963610d5c018a8a346dd28d3cc1584..241390cb6a6db9d2d8f4ed0cedb199bbcfe90eb1 100644 (file)
@@ -20,7 +20,7 @@
 AC_PREREQ([2.64])
 
 AC_INIT([elogind],
-        [226],
+        [228.3],
         [https://github.com/elogind/elogind/issues],
         [elogind],
         [https://github.com/elogind/elogind])
@@ -59,7 +59,7 @@ SET_ARCH(IA32, i*86*)
 SET_ARCH(MIPS, mips*)
 SET_ARCH(AARCH64, aarch64*)
 
-# i18n stuff for the PolicyKit policy files, heck whether intltool can be found, disable NLS otherwise
+# i18n stuff for the PolicyKit policy files, check whether intltool can be found, disable NLS otherwise
 AC_CHECK_PROG(intltool_found, [intltool-merge], [yes], [no])
 AS_IF([test x"$intltool_found" != xyes],
       [AS_IF([test x"$enable_nls" = xyes],
@@ -109,6 +109,23 @@ if test -z "$GPERF" ; then
         AC_MSG_ERROR([*** gperf not found])
 fi
 
+
+# ------------------------------------------------------------------------------
+# Find running cgroup controller
+with_cgroupctrl=
+AS_IF(  [test -f /proc/self/cgroup], [
+        # If the init system is a cgroup controler, it will be position 1.
+        # Secondary controllers, like cgmanager, do not work.
+        with_cgroupctrl=`grep "^1:name=" /proc/self/cgroup | cut -d ':' -f 2`
+        AS_IF(  [test -z "$with_cgroupctrl"], [
+                # Try to be our own cgroup controller
+                with_cgroupctrl="name=elogind"
+        ])
+])
+AS_IF(  [test -z "$with_cgroupctrl"],
+        AC_MSG_ERROR([No running cgroup controller found]))
+
+
 # ------------------------------------------------------------------------------
 address_sanitizer_cflags=
 address_sanitizer_cppflags=
@@ -158,7 +175,6 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -Werror=implicit-function-declaration \
         -Werror=missing-declarations \
         -Werror=return-type \
-        -Werror=shadow \
         -Wstrict-prototypes \
         -Wredundant-decls \
         -Wmissing-noreturn \
@@ -183,18 +199,42 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -fPIE \
         --param=ssp-buffer-size=4])
 
+CC_CHECK_FLAG_APPEND([with_cflags], [CFLAGS], [-Werror=shadow], [
+#include <time.h>
+#include <inttypes.h>
+typedef uint64_t usec_t;
+usec_t now(clockid_t clock);
+int main(void) {
+        struct timespec now;
+        return 0;
+}
+])
+
 AS_CASE([$CC], [*clang*],
         [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
                -Wno-typedef-redefinition \
                -Wno-gnu-variable-sized-type-not-at-end \
         ])])
 
-dnl AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
-dnl         [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
-dnl                -flto])],
-dnl         [AC_MSG_RESULT([skipping -flto, optimization not enabled])])
-dnl AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags")
 
+# ------------------------------------------------------------------------------
+# On some distributions -flto, even if available, leads to linking errors.
+# We therefore make it optional
+have_lto=no
+AC_ARG_ENABLE([lto],
+        [AS_HELP_STRING([--disable-lto], [Disable link time optimization (default: test)])])
+
+AS_IF([test "x$enable_lto" != "xno"], [
+        AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
+                [have_lto=yes],
+                [AC_MSG_RESULT([skipping -flto, optimization not enabled])])
+        AS_IF([test "$have_lto" != "no"],
+                [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [-flto])]
+        )
+        AC_SUBST([OUR_CFLAGS], "$with_cflags $sanitizer_cflags")
+])
+
+# ------------------------------------------------------------------------------
 AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
         [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
                -Wp,-D_FORTIFY_SOURCE=2])],
@@ -233,7 +273,8 @@ AC_CHECK_SIZEOF(rlim_t,,[
 ])
 
 GPERF_TEST="$(echo foo,bar | ${GPERF} -L ANSI-C)"
-
+save_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -Wno-error"
 AC_COMPILE_IFELSE(
         [AC_LANG_PROGRAM([
                 #include <string.h>
@@ -251,6 +292,7 @@ AC_COMPILE_IFELSE(
                 [AC_MSG_ERROR([** unable to determine gperf len type])]
         )]
 )
+CFLAGS="$save_CFLAGS"
 
 AC_DEFINE_UNQUOTED([GPERF_LEN_TYPE], [$GPERF_LEN_TYPE], [gperf len type])
 
@@ -277,33 +319,29 @@ AS_IF([test "$have_python" != "yes"], [
       AS_IF([test "$with_python" != "no"],
             [AC_MSG_WARN([*** python support not found, some documentation cannot be built])])
 ])
-
 AM_CONDITIONAL([HAVE_PYTHON], [test "x$have_python" = "xyes"])
 
 # ------------------------------------------------------------------------------
 
 AC_CHECK_HEADERS([sys/capability.h], [], [AC_MSG_ERROR([*** POSIX caps headers not found])])
-AC_CHECK_HEADERS([linux/btrfs.h], [], [])
 AC_CHECK_HEADERS([linux/memfd.h], [], [])
 
+AC_CHECK_HEADERS([printf.h], [have_printf_h=yes], [have_printf_h=no])
+AS_IF([test x$have_printf_h = xyes], [
+        AC_DEFINE(HAVE_PRINTF_H, 1, [Define if printf.h was found])
+])
+
+
+
 # unconditionally pull-in librt with old glibc versions
-AC_SEARCH_LIBS([clock_gettime], [rt], [], [])
-AC_SEARCH_LIBS([mq_unlink], [rt], [], [])
+dnl AC_SEARCH_LIBS([clock_gettime], [rt], [], [])
+dnl AC_SEARCH_LIBS([mq_unlink], [rt], [], [])
 
-AC_ARG_WITH([libcap],
-            AS_HELP_STRING([--with-libcap=DIR], [Prefix for libcap]),
-            [CAP_LDFLAGS="-L$with_libcap/lib"],
-            [CAP_LDFLAGS=""])
 save_LIBS="$LIBS"
-save_LDFLAGS="$LDFLAGS"
 LIBS=
-LDFLAGS="$LDFLAGS $CAP_LDFLAGS"
 AC_SEARCH_LIBS([cap_init], [cap], [], [AC_MSG_ERROR([*** POSIX caps library not found])])
 CAP_LIBS="$LIBS"
 AC_SUBST(CAP_LIBS)
-AC_SUBST(CAP_LDFLAGS)
-LIBS="$save_LIBS"
-LDFLAGS="$save_LDFLAGS"
 
 AC_CHECK_FUNCS([memfd_create])
 AC_CHECK_FUNCS([__secure_getenv secure_getenv])
@@ -326,11 +364,11 @@ AC_CHECK_DECLS([IFLA_INET6_ADDR_GEN_MODE,
                 IFLA_BOND_AD_INFO,
                 IFLA_VLAN_PROTOCOL,
                 IFLA_VXLAN_REMCSUM_NOPARTIAL,
-                IFLA_VXLAN_LOCAL6,
                 IFLA_IPTUN_ENCAP_DPORT,
                 IFLA_GRE_ENCAP_DPORT,
                 IFLA_BRIDGE_VLAN_INFO,
                 IFLA_BRPORT_LEARNING_SYNC,
+                IFLA_BR_PRIORITY,
                 NDA_IFINDEX,
                 IFA_FLAGS],
 [], [], [[
@@ -350,16 +388,6 @@ AC_CHECK_DECLS([IFLA_INET6_ADDR_GEN_MODE,
 # This makes sure pkg.m4 is available.
 m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])
 
-# ------------------------------------------------------------------------------
-have_dbus=no
-AC_ARG_ENABLE(dbus, AS_HELP_STRING([--disable-dbus], [disable usage of dbus-1 in tests]))
-AS_IF([test "x$enable_dbus" != "xno"], [
-        PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.3.2],
-                [AC_DEFINE(HAVE_DBUS, 1, [Define if dbus-1 library is available]) have_dbus=yes],
-                [have_dbus=no])
-        AS_IF([test "x$have_dbus" = "xno" -a "x$enable_dbus" = "xyes"],
-                [AC_MSG_ERROR([*** dbus-1 support requested but libraries not found])])])
-AM_CONDITIONAL(HAVE_DBUS, [test "$have_dbus" = "yes"])
 
 # ------------------------------------------------------------------------------
 PKG_CHECK_MODULES(UDEV, [libudev])
@@ -399,33 +427,6 @@ if test "x$enable_coverage" = "xyes" ; then
 fi
 AM_CONDITIONAL(ENABLE_COVERAGE, [test "$have_coverage" = "yes"])
 
-# ------------------------------------------------------------------------------
-have_blkid=no
-AC_ARG_ENABLE(blkid, AS_HELP_STRING([--disable-blkid], [disable blkid support]))
-if test "x$enable_blkid" != "xno"; then
-        PKG_CHECK_MODULES(BLKID, [ blkid >= 2.24 ],
-                [AC_DEFINE(HAVE_BLKID, 1, [Define if blkid is available]) have_blkid=yes], have_blkid=no)
-        if test "x$have_blkid" = xno -a "x$enable_blkid" = xyes; then
-                AC_MSG_ERROR([*** blkid support requested but libraries not found])
-        fi
-fi
-AM_CONDITIONAL(HAVE_BLKID, [test "$have_blkid" = "yes"])
-
-# ------------------------------------------------------------------------------
-have_seccomp=no
-AC_ARG_ENABLE(seccomp, AS_HELP_STRING([--disable-seccomp], [Disable optional SECCOMP support]))
-if test "x$enable_seccomp" != "xno"; then
-        PKG_CHECK_MODULES(SECCOMP, [libseccomp >= 1.0.0],
-               [AC_DEFINE(HAVE_SECCOMP, 1, [Define if seccomp is available])
-                have_seccomp=yes
-                M4_DEFINES="$M4_DEFINES -DHAVE_SECCOMP"],
-               [have_seccomp=no])
-        if test "x$have_seccomp" = "xno" -a "x$enable_seccomp" = "xyes"; then
-                AC_MSG_ERROR([*** seccomp support requested but libraries not found])
-        fi
-fi
-AM_CONDITIONAL(HAVE_SECCOMP, [test "$have_seccomp" = "yes"])
-
 # ------------------------------------------------------------------------------
 have_selinux=no
 AC_ARG_ENABLE(selinux, AS_HELP_STRING([--disable-selinux], [Disable optional SELINUX support]))
@@ -441,20 +442,6 @@ if test "x$enable_selinux" != "xno"; then
 fi
 AM_CONDITIONAL(HAVE_SELINUX, [test "$have_selinux" = "yes"])
 
-have_apparmor=no
-AC_ARG_ENABLE(apparmor, AS_HELP_STRING([--disable-apparmor], [Disable optional AppArmor support]))
-if test "x$enable_apparmor" != "xno"; then
-        PKG_CHECK_MODULES([APPARMOR], [libapparmor],
-                [AC_DEFINE(HAVE_APPARMOR, 1, [Define if AppArmor is available])
-                 have_apparmor=yes
-                 M4_DEFINES="$M4_DEFINES -DHAVE_APPARMOR"],
-                [have_apparmor=no])
-        if test "x$have_apparmor" = xno -a "x$enable_apparmor" = xyes; then
-                AC_MSG_ERROR([*** AppArmor support requested but libraries not found])
-        fi
-fi
-AM_CONDITIONAL(HAVE_APPARMOR, [test "$have_apparmor" = "yes"])
-
 # ------------------------------------------------------------------------------
 AC_ARG_ENABLE([pam],
         AS_HELP_STRING([--disable-pam],[Disable optional PAM support]),
@@ -547,12 +534,17 @@ if test "x${have_smack}" = xauto; then
         have_smack=yes
 fi
 
+have_smack_run_label=no
 AC_ARG_WITH(smack-run-label,
 AS_HELP_STRING([--with-smack-run-label=STRING],
-        [run elogind --system itself with a specific SMACK label]),
-        [AC_DEFINE_UNQUOTED(SMACK_RUN_LABEL, ["$withval"], [Run elogind itself with SMACK label])],
+        [run systemd --system itself with a specific SMACK label]),
+        [AC_DEFINE_UNQUOTED(SMACK_RUN_LABEL, ["$withval"], [Run systemd itself with SMACK label]) have_smack_run_label=yes],
         [])
 
+if test "x${have_smack_run_label}" = xyes; then
+        M4_DEFINES="$M4_DEFINES -DHAVE_SMACK_RUN_LABEL"
+fi
+
 AC_ARG_WITH(smack-default-process-label,
 AS_HELP_STRING([--with-smack-default-process-label=STRING],
         [default SMACK label for executed processes]),
@@ -565,15 +557,6 @@ fi
 
 AM_CONDITIONAL([HAVE_SMACK], [test "x$have_smack" = "xyes"])
 
-# ------------------------------------------------------------------------------
-have_logind=yes
-#AC_ARG_ENABLE(logind, AS_HELP_STRING([--disable-logind], [disable login daemon]))
-#if test "x$enable_logind" != "xno"; then
-#        have_logind=yes
-#fi
-AM_CONDITIONAL(ENABLE_LOGIND, [test "$have_logind" = "yes"])
-AS_IF([test "$have_logind" = "yes"], [ AC_DEFINE(HAVE_LOGIND, [1], [Logind support available]) ])
-
 # ------------------------------------------------------------------------------
 AC_ARG_WITH(system-uid-max,
         AS_HELP_STRING([--with-system-uid-max=UID]
@@ -616,11 +599,6 @@ AM_CONDITIONAL(ENABLE_KDBUS, [test "$have_kdbus" = "yes"])
 # ------------------------------------------------------------------------------
 AC_CHECK_HEADERS_ONCE([valgrind/memcheck.h valgrind/valgrind.h])
 
-# ------------------------------------------------------------------------------
-PKG_CHECK_MODULES([GLIB], [glib-2.0 >= 2.22.0 gobject-2.0 >= 2.22.0 gio-2.0],
-                  [have_glib=yes], [have_glib=no])
-AS_IF([test "x$have_glib" = "xyes"], [ AC_DEFINE(HAVE_GLIB, 1, [Define if glib is available]) ])
-
 # ------------------------------------------------------------------------------
 have_manpages=no
 AC_ARG_ENABLE(manpages, AS_HELP_STRING([--disable-manpages], [disable manpages]))
@@ -714,14 +692,17 @@ AC_ARG_ENABLE(tests,
 AM_CONDITIONAL(ENABLE_TESTS, [test x$enable_tests = xyes])
 
 AC_ARG_ENABLE(debug,
-        [AC_HELP_STRING([--enable-debug@<:@=LIST@:>@], [enable extra debugging (hashmap,mmap-cache)])],
+        [AC_HELP_STRING([--enable-debug@<:@=LIST@:>@], [enable extra debugging (elogind,hashmap,mmap-cache)])],
         [if test "x$enableval" = "xyes"; then
-                enableval="hashmap,mmap-cache"
+                enableval="elogind,hashmap,mmap-cache"
         fi
         saved_ifs="$IFS"
         IFS="$IFS$PATH_SEPARATOR,"
         for name in $enableval; do
                 case $name in
+                elogind)
+                        enable_debug_elogind=yes
+                        ;;
                 hashmap)
                         enable_debug_hashmap=yes
                         ;;
@@ -733,6 +714,10 @@ AC_ARG_ENABLE(debug,
         IFS="$saved_ifs"],[])
 
 enable_debug=""
+AS_IF([test x$enable_debug_elogind = xyes], [
+        AC_DEFINE(ENABLE_DEBUG_ELOGIND, 1, [Define if elogind debugging is to be enabled])
+        enable_debug="elogind $enable_debug"
+])
 AS_IF([test x$enable_debug_hashmap = xyes], [
         AC_DEFINE(ENABLE_DEBUG_HASHMAP, 1, [Define if hashmap debugging is to be enabled])
         enable_debug="hashmap $enable_debug"
@@ -751,6 +736,7 @@ AC_SUBST([pamlibdir], [$with_pamlibdir])
 AC_SUBST([pamconfdir], [$with_pamconfdir])
 AC_SUBST([rootprefix], [$with_rootprefix])
 AC_SUBST([rootlibdir], [$with_rootlibdir])
+AC_SUBST([cgroup_controller], [$with_cgroupctrl])
 
 AC_CONFIG_FILES([
         Makefile
@@ -762,20 +748,18 @@ AC_MSG_RESULT([
         $PACKAGE_NAME $VERSION
 
         PAM:                     ${have_pam}
-        AppArmor:                ${have_apparmor}
         SELinux:                 ${have_selinux}
-        SECCOMP:                 ${have_seccomp}
         SMACK:                   ${have_smack}
         ACL:                     ${have_acl}
         polkit:                  ${have_polkit}
-        blkid:                   ${have_blkid}
-        dbus:                    ${have_dbus}
         kdbus:                   ${have_kdbus}
         Python:                  ${have_python}
         man pages:               ${have_manpages}
         test coverage:           ${have_coverage}
         Split /usr:              ${enable_split_usr}
+        Link time optimization:  ${have_lto}
         extra debugging:         ${enable_debug}
+        cgroup controller:       ${with_cgroupctrl}
 
         prefix:                  ${prefix}
         rootprefix:              ${with_rootprefix}