AS_IF([AC_TRY_COMMAND(cp conftest.c build && make -d [$2] ${LD:+"LD=$LD"} CC="$CC" -f $PWD/build/Makefile LUSTRE_LINUX_CONFIG=$LINUX_CONFIG LINUXINCLUDE="$EXTRA_LNET_INCLUDE -I$LINUX/arch/`uname -m|sed -e 's/ppc.*/powerpc/' -e 's/x86_64/x86/' -e 's/i.86/x86/'`/include -I$LINUX/include -I$LINUX_OBJ/include -I$LINUX_OBJ/include2 -include include/linux/autoconf.h" -o tmp_include_depends -o scripts -o include/config/MARKER -C $LINUX_OBJ EXTRA_CFLAGS="-Werror-implicit-function-declaration $EXTRA_KCFLAGS" $ARCH_UM $MODULE_TARGET=$PWD/build) >/dev/null && AC_TRY_COMMAND([$3])],
[$4],
[_AC_MSG_LOG_CONFTEST
-m4_ifvaln([$5],[$5])dnl])dnl
+m4_ifvaln([$5],[$5])dnl])
rm -f build/conftest.o build/conftest.mod.c build/conftest.mod.o build/conftest.ko m4_ifval([$1], [build/conftest.c conftest.c])[]dnl
])
fi
])
+# LC_MODULE_LOADING
+# after 2.6.28 CONFIG_KMOD is removed, and only CONFIG_MODULES remains
+# so we test if request_module is implemented or not
+AC_DEFUN([LC_MODULE_LOADING],
+[AC_MSG_CHECKING([if kernel module loading is possible])
+LB_LINUX_TRY_MAKE([
+ #include <linux/kmod.h>
+],[
+ int myretval=ENOSYS ;
+ return myretval;
+],[
+ $makerule LUSTRE_KERNEL_TEST=conftest.i
+],[
+ grep request_module build/conftest.i | grep -v `grep "int myretval=" build/conftest.i | cut -d= -f2 | cut -d" " -f1` >/dev/null
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_MODULE_LOADING_SUPPORT, 1,
+ [kernel module loading is possible])
+],[
+ AC_MSG_RESULT(no)
+ AC_MSG_WARN([])
+ AC_MSG_WARN([Kernel module loading support is highly recommended.])
+ AC_MSG_WARN([])
+])
+])
+
+# LC_MODULE_LOADING
+# after 2.6.28 CONFIG_KMOD is removed, and only CONFIG_MODULES remains
+# so we test if request_module is implemented or not
+AC_DEFUN([LC_MODULE_LOADING],
+[AC_MSG_CHECKING([if kernel module loading is possible])
+LB_LINUX_TRY_MAKE([
+ #include <linux/kmod.h>
+],[
+ int myretval=ENOSYS ;
+ return myretval;
+],[
+ $makerule LUSTRE_KERNEL_TEST=conftest.i
+],[
+ grep request_module build/conftest.i | grep -v `grep "int myretval=" build/conftest.i | cut -d= -f2 | cut -d" " -f1` >/dev/null
+],[
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_MODULE_LOADING_SUPPORT, 1,
+ [kernel module loading is possible])
+],[
+ AC_MSG_RESULT(no)
+ AC_MSG_WARN([])
+ AC_MSG_WARN([Kernel module loading support is highly recommended.])
+ AC_MSG_WARN([])
+])
+])
#
# LB_PROG_LINUX
fi
])
-LB_LINUX_CONFIG([KMOD],[],[
- AC_MSG_WARN([])
- AC_MSG_WARN([Kernel module loading support is highly recommended.])
- AC_MSG_WARN([])
-])
+# 2.6.28
+LC_MODULE_LOADING
#LB_LINUX_CONFIG_BIG_STACK