X-Git-Url: http://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=configure.ac;h=16cb509067e55cea727c2105ebac4d7512f3b920;hp=6598536681c2b4bd7dd6fe21e4888cc5b1907ce8;hb=6f5cab404dbf4a19ac9e882e37b1cb86fd0614d4;hpb=262c9fba9aab686c210c69bc9a9dc63c2374ad67

diff --git a/configure.ac b/configure.ac
index 659853668..16cb50906 100644
--- a/configure.ac
+++ b/configure.ac
@@ -20,7 +20,7 @@
 AC_PREREQ([2.64])
 
 AC_INIT([elogind],
-        [227.1],
+        [229.1],
         [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],
@@ -216,12 +216,25 @@ AS_CASE([$CC], [*clang*],
                -Wno-gnu-variable-sized-type-not-at-end \
         ])])
 
-AS_CASE([$CFLAGS], [*-O[[12345sz\ ]]*],
-        [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
-               -flto])],
-        [AC_MSG_RESULT([skipping -flto, optimization not enabled])])
-AC_SUBST([OUR_CFLAGS], "$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])],
@@ -287,7 +300,7 @@ AC_DEFINE_UNQUOTED([GPERF_LEN_TYPE], [$GPERF_LEN_TYPE], [gperf len type])
 # we use python to build the man page index
 have_python=no
 AC_ARG_WITH([python],
-        [AS_HELP_STRING([--without-python], [Disable building the man page index (default: test)])])
+        [AS_HELP_STRING([--without-python], [Disable building the man page index and systemd-python (default: test)])])
 
 have_lxml=no
 AS_IF([test "x$with_python" != "xno"], [
@@ -311,7 +324,6 @@ AM_CONDITIONAL([HAVE_PYTHON], [test "x$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])
@@ -333,7 +345,8 @@ AC_SUBST(CAP_LIBS)
 
 AC_CHECK_FUNCS([memfd_create])
 AC_CHECK_FUNCS([__secure_getenv secure_getenv])
-AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, getrandom, renameat2, kcmp, keyctl, key_serial_t, LO_FLAGS_PARTSCAN],
+AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, getrandom, renameat2,
+                char16_t, char32_t, LO_FLAGS_PARTSCAN],
                [], [], [[
 #include <sys/types.h>
 #include <unistd.h>
@@ -517,11 +530,14 @@ AC_ARG_ENABLE([smack], AS_HELP_STRING([--disable-smack],[Disable optional SMACK
                 esac],
                 [have_smack=auto])
 
-if test "x${have_smack}" = xauto; then
+if test "x${have_smack}" != xno; then
+        AC_DEFINE(HAVE_SMACK, 1, [Define if SMACK is available])
         M4_DEFINES="$M4_DEFINES -DHAVE_SMACK"
         have_smack=yes
 fi
 
+AM_CONDITIONAL([HAVE_SMACK], [test "x$have_smack" = "xyes"])
+
 have_smack_run_label=no
 AC_ARG_WITH(smack-run-label,
 AS_HELP_STRING([--with-smack-run-label=STRING],
@@ -539,12 +555,6 @@ AS_HELP_STRING([--with-smack-default-process-label=STRING],
         [AC_DEFINE_UNQUOTED(SMACK_DEFAULT_PROCESS_LABEL, ["$withval"], [Default SMACK label for executed processes])],
         [])
 
-if test "x${have_smack}" = xyes ; then
-        AC_DEFINE(HAVE_SMACK, 1, [Define if SMACK is available])
-fi
-
-AM_CONDITIONAL([HAVE_SMACK], [test "x$have_smack" = "xyes"])
-
 # ------------------------------------------------------------------------------
 AC_ARG_WITH(system-uid-max,
         AS_HELP_STRING([--with-system-uid-max=UID]
@@ -590,6 +600,7 @@ AC_CHECK_HEADERS_ONCE([valgrind/memcheck.h valgrind/valgrind.h])
 # ------------------------------------------------------------------------------
 have_manpages=no
 AC_ARG_ENABLE(manpages, AS_HELP_STRING([--disable-manpages], [disable manpages]))
+AC_PATH_PROG([XSLTPROC], [xsltproc])
 AS_IF([test "x$enable_manpages" != xno], [have_manpages=yes])
 AM_CONDITIONAL(ENABLE_MANPAGES, [test "x$have_manpages" = "xyes"])
 
@@ -745,6 +756,7 @@ AC_MSG_RESULT([
         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}