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-rw-r--r--configure.ac23
1 files changed, 23 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac
index 71b330f05d..48c71ce340 100644
--- a/configure.ac
+++ b/configure.ac
@@ -255,6 +255,28 @@ AC_CHECK_SIZEOF(rlim_t,,[
#include <sys/resource.h>
])
+GPERF_TEST="$(echo foo,bar | ${GPERF} -L ANSI-C)"
+
+AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([
+ #include <string.h>
+ const char * in_word_set(const char *, size_t);
+ $GPERF_TEST]
+ )],
+ [GPERF_LEN_TYPE=size_t],
+ [AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([
+ #include <string.h>
+ const char * in_word_set(const char *, unsigned);
+ $GPERF_TEST]
+ )],
+ [GPERF_LEN_TYPE=unsigned],
+ [AC_MSG_ERROR([** unable to determine gperf len type])]
+ )]
+)
+
+AC_DEFINE_UNQUOTED([GPERF_LEN_TYPE], [$GPERF_LEN_TYPE], [gperf len type])
+
# ------------------------------------------------------------------------------
# we use python to build the man page index
have_python=no
@@ -285,6 +307,7 @@ 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([linux/vm_sockets.h], [], [], [#include <sys/socket.h>])
# unconditionally pull-in librt with old glibc versions
AC_SEARCH_LIBS([clock_gettime], [rt], [], [])