CODING_STYLE: clarify that single-line if blocks should not be enclosed in {}

[elogind.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index 38a165c101d63bcc008aa7ceb987234291434b43..c3b4ea3ec939d6f8804f4b1b5b7803f3bc8b737b 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -183,7 +183,6 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -Wno-unused-parameter \
         -Wno-missing-field-initializers \
         -Wno-unused-result \
-        -Wno-typedef-redefinition \
         -Werror=overflow \
         -Wdate-time \
         -Wnested-externs \
@@ -198,6 +197,13 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -fstack-protector-strong \
         -fPIE \
         --param=ssp-buffer-size=4])
+
+AS_CASE([$CC], [*clang*],
+        [CC_CHECK_FLAGS_APPEND([with_cppflags], [CPPFLAGS], [\
+               -Wno-typedef-redefinition \
+               -Wno-gnu-variable-sized-type-not-at-end \
+        ])])
+
 AS_CASE([$CFLAGS], [*-O[[12345\ ]]*],
         [CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
                -flto -ffat-lto-objects])],
@@ -283,6 +289,7 @@ AM_CONDITIONAL([HAVE_PYTHON_DEVEL], [test "$have_python_devel" = "yes"])
 AC_SEARCH_LIBS([dlsym], [dl], [], [AC_MSG_ERROR([*** Dynamic linking loader library not found])])
 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], [], [])
 
 # unconditionally pull-in librt with old glibc versions
 AC_SEARCH_LIBS([clock_gettime], [rt], [], [])
@@ -299,7 +306,7 @@ RT_LIBS="$LIBS"
 AC_SUBST(RT_LIBS)
 LIBS="$save_LIBS"
 
-AC_CHECK_FUNCS([fanotify_init fanotify_mark])
+AC_CHECK_FUNCS([memfd_create])
 AC_CHECK_FUNCS([__secure_getenv secure_getenv])
 AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at, setns, LO_FLAGS_PARTSCAN],
                [], [], [[
@@ -345,6 +352,16 @@ AS_IF([test "x$enable_dbus" != "xno"], [
                 [AC_MSG_ERROR([*** dbus-1 support requested but libraries not found])])])
 AM_CONDITIONAL(HAVE_DBUS, [test "$have_dbus" = "yes"])
 
+# ------------------------------------------------------------------------------
+have_utmp=yes
+AC_ARG_ENABLE([utmp], AS_HELP_STRING([--disable-utmp], [disable utmp/wtmp log handling]),
+        AS_CASE("x${enableval}",
+                [xyes], [have_utmp=yes],
+                [xno],  [have_utmp=no],
+                AC_MSG_ERROR(bad value ${enableval} for --enable-utmp)))
+AS_IF([test "x$have_utmp" = "xyes"], [AC_DEFINE(HAVE_UTMP, 1, [Define if utmp/wtmp support is enabled])])
+AM_CONDITIONAL([HAVE_UTMP], [test "x$have_utmp" = "xyes"])
+
 # ------------------------------------------------------------------------------
 have_compat_libs=no
 AC_ARG_ENABLE([compat_libs], AS_HELP_STRING([--enable-compat-libs],[Enable creation of compatibility libraries]),
@@ -841,14 +858,6 @@ if test "x$enable_vconsole" != "xno"; then
 fi
 AM_CONDITIONAL(ENABLE_VCONSOLE, [test "$have_vconsole" = "yes"])
 
-# ------------------------------------------------------------------------------
-have_readahead=no
-AC_ARG_ENABLE(readahead, AS_HELP_STRING([--disable-readahead], [disable readahead tools]))
-if test "x$enable_readahead" != "xno"; then
-        have_readahead=yes
-fi
-AM_CONDITIONAL(ENABLE_READAHEAD, [test "$have_readahead" = "yes"])
-
 # ------------------------------------------------------------------------------
 have_bootchart=no
 AC_ARG_ENABLE(bootchart, AS_HELP_STRING([--disable-bootchart], [disable bootchart tool]))
@@ -1341,7 +1350,6 @@ AC_MSG_RESULT([
         ELFUTILS:                ${have_elfutils}
         binfmt:                  ${have_binfmt}
         vconsole:                ${have_vconsole}
-        readahead:               ${have_readahead}
         bootchart:               ${have_bootchart}
         quotacheck:              ${have_quotacheck}
         tmpfiles:                ${have_tmpfiles}
@@ -1381,6 +1389,7 @@ AC_MSG_RESULT([
         Split /usr:              ${enable_split_usr}
         SysV compatibility:      ${SYSTEM_SYSV_COMPAT}
         compatibility libraries: ${have_compat_libs}
+        utmp/wtmp support:       ${have_utmp}
 
         prefix:                  ${prefix}
         rootprefix:              ${with_rootprefix}