AC_PREREQ([2.64])
AC_INIT([elogind],
- [226.2],
+ [228.1],
[https://github.com/elogind/elogind/issues],
[elogind],
[https://github.com/elogind/elogind])
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],
# ------------------------------------------------------------------------------
# Find running cgroup controller
with_cgroupctrl=
-AS_IF( [test -f /proc/self/cgroup],
- [with_cgroupctrl=`grep "^1:" /proc/self/cgroup | cut -d ':' -f 2`])
+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]))
-Werror=implicit-function-declaration \
-Werror=missing-declarations \
-Werror=return-type \
- -Werror=shadow \
-Wstrict-prototypes \
-Wredundant-decls \
-Wmissing-noreturn \
-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])],
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$have_printf_h = xyes], [
+ AC_DEFINE(HAVE_PRINTF_H, 1, [Define if printf.h was found])
+])
+
+
+
# unconditionally pull-in librt with old glibc versions
dnl AC_SEARCH_LIBS([clock_gettime], [rt], [], [])
dnl AC_SEARCH_LIBS([mq_unlink], [rt], [], [])
-AC_ARG_WITH([libcap],
- AS_HELP_STRING([--with-libcap=DIR], [Prefix for libcap]),
- [CAP_LDFLAGS="-L$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])
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],
[], [], [[
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]),
# ------------------------------------------------------------------------------
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]))
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}