])
#
+# Check if gcc supports -Wno-stringop-truncation
+#
+# To supress many warnings with gcc8
+#
+AC_DEFUN([LB_CC_NO_STRINGOP_TRUNCATION], [
+ AC_MSG_CHECKING([for -Wno-stringop-truncation support])
+
+ saved_flags="$CFLAGS"
+ CFLAGS="$CFLAGS -Wno-stringop-truncation"
+
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [
+ EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Wno-stringop-truncation"
+ AC_SUBST(EXTRA_KCFLAGS)
+ AC_MSG_RESULT([yes])
+ ], [
+ AC_MSG_RESULT([no])
+ ])
+
+ CFLAGS="$saved_flags"
+])
+
+#
+# Check if gcc supports -Wno-stringop-overflow
+#
+# To supress many warnings with gcc8
+#
+AC_DEFUN([LB_CC_NO_STRINGOP_OVERFLOW], [
+ AC_MSG_CHECKING([for -Wno-stringop-overflow support])
+
+ saved_flags="$CFLAGS"
+ CFLAGS="$CFLAGS -Wno-stringop-overflow"
+
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], [
+ EXTRA_KCFLAGS="$EXTRA_KCFLAGS -Wno-stringop-overflow"
+ AC_SUBST(EXTRA_KCFLAGS)
+ AC_MSG_RESULT([yes])
+ ], [
+ AC_MSG_RESULT([no])
+ ])
+
+ CFLAGS="$saved_flags"
+])
+
+#
# LB_CONDITIONALS
#
# AM_CONDITIONAL instances for everything
AM_CONDITIONAL([MANPAGES], [test x$enable_manpages = xyes])
AM_CONDITIONAL([LINUX], [test x$lb_target_os = xlinux])
AM_CONDITIONAL([USE_QUILT], [test x$use_quilt = xyes])
-AM_CONDITIONAL([RHEL], [test x$RHEL_KERNEL = xyes])
-AM_CONDITIONAL([SUSE], [test x$SUSE_KERNEL = xyes])
+AM_CONDITIONAL([RHEL], [test -f /etc/redhat-release])
+AM_CONDITIONAL([SUSE], [test -f /etc/SUSE-brand -o -f /etc/SuSE-release])
AM_CONDITIONAL([UBUNTU], [test x$UBUNTU_KERNEL = xyes])
-# Sanity check for PCLMULQDQ instruction availability
-# PCLMULQDQ instruction is a new instruction available beginning with
-# the all new Core processor family based on the 32nm microarchitecture
-# codename Westmere. So, $target_cpu = x86_64 should have this instruction
-# except MIC microarchitecture (k1om).
-AM_CONDITIONAL(HAVE_PCLMULQDQ, test x$target_cpu = "xx86_64" -a x$target_vendor != "xk1om")
-AS_IF([test x$target_cpu = "xx86_64" -a x$target_vendor != "xk1om"],
- [AC_DEFINE(HAVE_PCLMULQDQ, 1, [have PCLMULQDQ instruction])])
-
-LIBCFS_CONDITIONALS
LN_CONDITIONALS
LC_CONDITIONALS
]) # LB_CONDITIONALS
LB_PROG_CC
LB_CC_NO_FORMAT_TRUNCATION
+LB_CC_NO_STRINGOP_TRUNCATION
+LB_CC_NO_STRINGOP_OVERFLOW
LC_OSD_ADDON
# Tests depends from utils (multiop from liblustreapi)
AS_IF([test "x$enable_utils" = xno], [enable_tests="no"])
-m4_ifdef([LC_NODEMAP_PROC_DEBUG], [LC_NODEMAP_PROC_DEBUG])
LIBCFS_CONFIG_CDEBUG
LC_QUOTA