X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?p=elogind.git;a=blobdiff_plain;f=configure.ac;h=1391d033b4b39db25982564656ad86a13bd03609;hp=c68c75930d4936398c965094f924dd568a6abca3;hb=cacd6403a0242f46cf1473a157af91757993063c;hpb=1b99214789101976d6bbf75c351279584b071998

diff --git a/configure.ac b/configure.ac
index c68c75930..1391d033b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -626,6 +626,44 @@ else
 fi
 AC_SUBST(AUDIT_LIBS)
 
+# ------------------------------------------------------------------------------
+AC_ARG_ENABLE([elfutils],
+        AS_HELP_STRING([--disable-elfutils],[Disable optional ELFUTILS support]),
+                [case "${enableval}" in
+                        yes) have_elfutils=yes ;;
+                        no) have_elfutils=no ;;
+                        *) AC_MSG_ERROR(bad value ${enableval} for --disable-elfutils) ;;
+                esac],
+                [have_elfutils=auto])
+
+if test "x${have_elfutils}" != xno ; then
+        AC_CHECK_HEADERS(
+                [elfutils/libdwfl.h],
+                [have_elfutils=yes],
+                [if test "x$have_elfutils" = xyes ; then
+                        AC_MSG_ERROR([*** ELFUTILS headers not found.])
+                fi])
+
+        AC_CHECK_LIB(
+                [dw],
+                [dwfl_begin],
+                [have_elfutils=yes],
+                [if test "x$have_elfutils" = xyes ; then
+                        AC_MSG_ERROR([*** ELFUTILS libs not found.])
+                fi])
+
+        if test "x$have_elfutils" = xyes ; then
+                ELFUTILS_LIBS="-lelf -ldw"
+                AC_DEFINE(HAVE_ELFUTILS, 1, [ELFUTILS available])
+        else
+                have_elfutils=no
+        fi
+else
+        ELFUTILS_LIBS=
+fi
+AC_SUBST(ELFUTILS_LIBS)
+AM_CONDITIONAL(HAVE_ELFUTILS, [test "$have_elfutils" = "yes"])
+
 # ------------------------------------------------------------------------------
 have_libcryptsetup=no
 AC_ARG_ENABLE(libcryptsetup, AS_HELP_STRING([--disable-libcryptsetup], [disable libcryptsetup tools]))
@@ -1050,8 +1088,11 @@ AM_CONDITIONAL(HAVE_SYSV_COMPAT, test "$SYSTEM_SYSV_COMPAT" = "yes")
 AC_ARG_WITH([tty-gid],
         [AS_HELP_STRING([--with-tty-gid=GID],
                 [Specify the numeric GID of the 'tty' group])],
-        [AC_DEFINE_UNQUOTED(TTY_GID, [$withval], [GID of the 'tty' group])],
-        [])
+        [TTY_GID="$withval"],
+        [TTY_GID="5"])
+
+AC_DEFINE_UNQUOTED(TTY_GID, [$TTY_GID], [GID of the 'tty' group])
+AC_SUBST(TTY_GID)
 
 AC_ARG_WITH([dbuspolicydir],
         AS_HELP_STRING([--with-dbuspolicydir=DIR], [D-Bus policy directory]),
@@ -1168,6 +1209,7 @@ AC_MSG_RESULT([
         MICROHTTPD:              ${have_microhttpd}
         CHKCONFIG:               ${have_chkconfig}
         GNUTLS:                  ${have_gnutls}
+        ELFUTILS:                ${have_elfutils}
         binfmt:                  ${have_binfmt}
         vconsole:                ${have_vconsole}
         readahead:               ${have_readahead}
@@ -1234,6 +1276,7 @@ AC_MSG_RESULT([
         Extra start script:      ${RC_LOCAL_SCRIPT_PATH_START}
         Extra stop script:       ${RC_LOCAL_SCRIPT_PATH_STOP}
         Debug shell:             ${SUSHELL} @ ${DEBUGTTY}
+        TTY GID:                 ${TTY_GID}
         Maximum System UID:      ${SYSTEM_UID_MAX}
         Maximum System GID:      ${SYSTEM_GID_MAX}