X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=configure.ac;h=939ba6dcf094c325ee440c25782c465034a395bb;hp=9a32d9c8b6333db21c5dd8e134db3c0cc61fc11a;hb=5972fe953ec56c77936a1e612ca87d8a0e6c0c64;hpb=cd49e2f6641aaa3a9185704ca2f14a1e0855c247

diff --git a/configure.ac b/configure.ac
index 9a32d9c8b..939ba6dcf 100644
--- a/configure.ac
+++ b/configure.ac
@@ -76,6 +76,8 @@ AC_PATH_PROG([KMOD], [kmod], [/usr/bin/kmod])
 
 AC_PATH_PROG([KEXEC], [kexec], [/usr/sbin/kexec])
 
+M4_DEFINES=
+
 # gtkdocize greps for '^GTK_DOC_CHECK', so it needs to be on its own line
 m4_ifdef([GTK_DOC_CHECK], [
 GTK_DOC_CHECK([1.18],[--flavour no-tmpl])],
@@ -127,6 +129,7 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -Winit-self \
         -Wdeclaration-after-statement \
         -Wfloat-equal \
+        -Wsuggest-attribute=noreturn \
         -Wmissing-prototypes \
         -Wstrict-prototypes \
         -Wredundant-decls \
@@ -144,6 +147,7 @@ CC_CHECK_FLAGS_APPEND([with_cflags], [CFLAGS], [\
         -Wno-unused-result \
         -Werror=overflow \
         -Wdate-time \
+        -Wnested-externs \
         -ffast-math \
         -fno-common \
         -fdiagnostics-show-option \
@@ -174,6 +178,9 @@ CC_CHECK_FLAGS_APPEND([with_ldflags], [LDFLAGS], [\
         -Wl,-z,now])
 AC_SUBST([OUR_LDFLAGS], "$with_ldflags $address_sanitizer_ldflags")
 
+AC_CHECK_SIZEOF(pid_t)
+AC_CHECK_SIZEOF(uid_t)
+
 # ------------------------------------------------------------------------------
 # we use python to build the man page index, and for systemd-python
 have_python=no
@@ -240,8 +247,14 @@ AC_CHECK_DECLS([gettid, pivot_root, name_to_handle_at], [], [], [[#include <sys/
 m4_pattern_forbid([^_?PKG_[A-Z_]+$],[*** pkg.m4 missing, please install pkg-config])
 
 # ------------------------------------------------------------------------------
-PKG_CHECK_MODULES(DBUS, [dbus-1 >= 1.3.2], have_dbus=yes, have_dbus=no])
-AS_IF([test "$have_dbus" = "yes"], [ AC_DEFINE(HAVE_DBUS, [1], [Define if dbus-1 is available]) ])
+have_dbus=no
+AC_ARG_ENABLE(dbus, AS_HELP_STRING([--disable-dbus], [disable usage of dbus-1 in tests]))
+AS_IF([test "x$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"])
 
 # ------------------------------------------------------------------------------
@@ -803,9 +816,10 @@ AM_CONDITIONAL(ENABLE_MULTI_SEAT_X, [test "$have_multi_seat_x" = "yes"])
 # ------------------------------------------------------------------------------
 have_kdbus=no
 AC_ARG_ENABLE(kdbus, AS_HELP_STRING([--enable-kdbus], [do connect to kdbus by default]))
-if test "x$enable_kdbus" == "xyes"; then
+if test "x$enable_kdbus" = "xyes"; then
         AC_DEFINE(ENABLE_KDBUS, 1, [Define if kdbus support is to be enabled])
         have_kdbus=yes
+        M4_DEFINES="$M4_DEFINES -DENABLE_KDBUS"
 fi
 AM_CONDITIONAL(ENABLE_KDBUS, [test "$have_kdbus" = "yes"])
 
@@ -921,7 +935,6 @@ AM_CONDITIONAL(ENABLE_MANPAGES, [test "x$have_manpages" = "xyes"])
 # Location of the init scripts as mandated by LSB
 SYSTEM_SYSVINIT_PATH=/etc/init.d
 SYSTEM_SYSVRCND_PATH=/etc/rc.d
-M4_DEFINES=
 
 AC_ARG_WITH([sysvinit-path],
         [AS_HELP_STRING([--with-sysvinit-path=PATH],
@@ -1090,6 +1103,7 @@ AC_MSG_RESULT([
         efi:                     ${have_efi}
         kmod:                    ${have_kmod}
         blkid:                   ${have_blkid}
+        dbus:                    ${have_dbus}
         nss-myhostname:          ${have_myhostname}
         gudev:                   ${enable_gudev}
         gintrospection:          ${enable_introspection}