Branch HEAD

[fs/lustre-release.git] / build / autoconf / lustre-build-linux.m4

diff --git a/build/autoconf/lustre-build-linux.m4 b/build/autoconf/lustre-build-linux.m4
index c6a78de..b1262e2 100644 (file)
--- a/build/autoconf/lustre-build-linux.m4
+++ b/build/autoconf/lustre-build-linux.m4
@@ -110,6 +110,10 @@ AC_ARG_WITH([linux],
 AC_MSG_RESULT([$LINUX])
 AC_SUBST(LINUX)
 
+# -------- check for linux --------
+LB_CHECK_FILE([$LINUX],[],
+       [AC_MSG_ERROR([Kernel source $LINUX could not be found.])])
+
 # -------- linux objects (for 2.6) --
 AC_MSG_CHECKING([for Linux objects dir])
 AC_ARG_WITH([linux-obj],
@@ -120,7 +124,7 @@ AC_ARG_WITH([linux-obj],
 AC_MSG_RESULT([$LINUX_OBJ])
 AC_SUBST(LINUX_OBJ)
 
-# -------- check for .confg --------
+# -------- check for .config --------
 AC_ARG_WITH([linux-config],
        [AC_HELP_STRING([--with-linux-config=path],
                        [set path to Linux .conf (default=$LINUX_OBJ/.config)])],
@@ -283,6 +287,27 @@ AC_DEFUN([LB_LINUX_TRY_MAKE],
 [LB_LINUX_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4], [$5], [$6])])
 
 #
+# LB_LINUX_CONFIG_BIG_STACK
+#
+# check for big stack patch
+#
+AC_DEFUN([LB_LINUX_CONFIG_BIG_STACK],
+[if test "x$ARCH_UM" = "x" -a "x$linux25" = "xno" ; then
+       case $target_cpu in
+               i?86 | x86_64)
+                       LB_LINUX_CONFIG([STACK_SIZE_16KB],[],[
+                               LB_LINUX_CONFIG([STACK_SIZE_32KB],[],[
+                                       LB_LINUX_CONFIG([STACK_SIZE_64KB],[],[
+                                               AC_MSG_ERROR([Lustre requires that Linux is configured with at least a 16KB stack.])
+                                       ])
+                               ])
+                       ])
+                       ;;
+       esac
+fi
+])
+
+#
 # LB_PROG_LINUX
 #
 # linux tests
@@ -306,11 +331,24 @@ if test "x$ARCH_UM" = "x" ; then
 fi
 ])
 
-# Portals tests
-LP_PROG_LINUX
+LB_LINUX_CONFIG([KMOD],[],[
+       AC_MSG_WARN([])
+       AC_MSG_WARN([Kernel module loading support is highly recommended.])
+       AC_MSG_WARN([])
+])
+
+#LB_LINUX_CONFIG_BIG_STACK
+
+# LNet tests
+LN_PROG_LINUX
 
 # Lustre tests
 LC_PROG_LINUX
+
+# Portals tests
+if test "$PORTALS" ; then
+       LP_PROG_LINUX
+fi
 ])
 
 #