X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=config%2Flustre-build.m4;h=ed23616fddcc3c709698b985f92a82b4213caf66;hp=c2da79e50802f9b6cec7e670fc7084e691191bdf;hb=9a085781b34d3dbe46c61db21c2681a0d31136de;hpb=a170a5787df625caec0cdac637a8dedd2e18bbd8

diff --git a/config/lustre-build.m4 b/config/lustre-build.m4
index c2da79e..ed23616 100644
--- a/config/lustre-build.m4
+++ b/config/lustre-build.m4
@@ -103,19 +103,6 @@ AC_SUBST(LUSTREIOKIT_SUBDIR)
 AM_CONDITIONAL([BUILD_LUSTREIOKIT], [test "x$enable_iokit" = xyes])
 ]) # LB_PATH_LUSTREIOKIT
 
-# Define no libcfs by default.
-AC_DEFUN([LB_LIBCFS_DIR], [
-AS_IF([test "x$libcfs_is_module" = xyes], [
-		LIBCFS_INCLUDE_DIR="libcfs/include"
-		LIBCFS_SUBDIR="libcfs"
-	], [
-		LIBCFS_INCLUDE_DIR="lnet/include"
-		LIBCFS_SUBDIR=""
-	])
-AC_SUBST(LIBCFS_INCLUDE_DIR)
-AC_SUBST(LIBCFS_SUBDIR)
-]) # LB_LIBCFS_DIR
-
 #
 # LB_LIBMOUNT
 #
@@ -329,13 +316,14 @@ AS_IF([test $target_cpu = powerpc64], [
 	CC="$CC -m64"
 ])
 
-CPPFLAGS="-I$PWD/$LIBCFS_INCLUDE_DIR -I$PWD/lnet/include -I$PWD/lnet/include/uapi -I$PWD/lustre/include -I$PWD/lustre/include/uapi $CPPFLAGS"
+# UAPI headers, libcfs/include for util headers, lustre/include for liblustreapi and friends
+CPPFLAGS="-I$PWD/libcfs/include -I$PWD/lnet/include/uapi -I$PWD/lustre/include -I$PWD/lustre/include/uapi $CPPFLAGS"
 
 CCASFLAGS="-Wall -fPIC -D_GNU_SOURCE"
 AC_SUBST(CCASFLAGS)
 
-# everyone builds against lnet and lustre
-EXTRA_KCFLAGS="$EXTRA_KCFLAGS -g -I$PWD/$LIBCFS_INCLUDE_DIR -I$PWD/lnet/include -I$PWD/lustre/include"
+# everyone builds against lnet and lustre kernel headers
+EXTRA_KCFLAGS="$EXTRA_KCFLAGS -g -I$PWD/libcfs/include -I$PWD/libcfs/include/libcfs -I$PWD/lnet/include/uapi -I$PWD/lnet/include -I$PWD/lustre/include/uapi -I$PWD/lustre/include"
 AC_SUBST(EXTRA_KCFLAGS)
 ]) # LB_PROG_CC
 
@@ -362,6 +350,50 @@ AC_DEFUN([LB_CC_NO_FORMAT_TRUNCATION], [
 ])
 
 #
+# 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
@@ -376,20 +408,10 @@ AM_CONDITIONAL([DOC], [test x$ENABLE_DOC = x1])
 AM_CONDITIONAL([MANPAGES], [test x$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$target_vendor != "xk1om"],
-	[AC_DEFINE(HAVE_PCLMULQDQ, 1, [have PCLMULQDQ instruction])])
-
-LIBCFS_CONDITIONALS
 LN_CONDITIONALS
 LC_CONDITIONALS
 ]) # LB_CONDITIONALS
@@ -554,6 +576,9 @@ fi
 if test x$enable_static != xyes ; then
 	RPMBINARGS="$RPMBINARGS --without static"
 fi
+if test x$enable_mpitests != xyes ; then
+	RPMBINARGS="$RPMBINARGS --without mpi"
+fi
 
 RPMBUILD_BINARY_ARGS=$RPMBINARGS
 
@@ -573,8 +598,7 @@ LB_CANONICAL_SYSTEM
 LB_CONFIG_DIST
 
 LB_DOWNSTREAM_RELEASE
-
-LB_LIBCFS_DIR
+LB_USES_DPKG
 
 LB_INCLUDE_RULES
 
@@ -582,6 +606,8 @@ LB_PATH_DEFAULTS
 
 LB_PROG_CC
 LB_CC_NO_FORMAT_TRUNCATION
+LB_CC_NO_STRINGOP_TRUNCATION
+LB_CC_NO_STRINGOP_OVERFLOW
 
 LC_OSD_ADDON
 
@@ -596,7 +622,6 @@ LB_CONFIG_SERVERS
 # 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