RELEASE="`echo ${LINUXRELEASE} | tr '-' '_'`_`date +%Y%m%d%H%M`"
AC_MSG_RESULT($RELEASE)
AC_SUBST(RELEASE)
+
+# check is redhat/suse kernels
+AC_MSG_CHECKING([that RedHat kernel])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/version.h>
+ ],[
+ #ifndef RHEL_MAJOR
+ #error "not redhat kernel"
+ #endif
+ ],[
+ RHEL_KENEL="yes"
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+])
+
+AC_MSG_CHECKING([that SuSe kernel])
+LB_LINUX_TRY_COMPILE([
+ #include <linux/version.h>
+ ],[
+ #ifndef SLE_VERSION_CODE
+ #error "not sles kernel"
+ #endif
+ ],[
+ SUSE_KERNEL="yes"
+ AC_MSG_RESULT([yes])
+ ],[
+ AC_MSG_RESULT([no])
+])
+
])
#
+#
# LB_LINUX_PATH
#
# Find paths for linux, handling kernel-source rpms
[AC_MSG_ERROR([Kernel config could not be found. If you are building from a kernel-source rpm consult build/README.kernel-source])])
# ----------- make dep run? ------------------
+# at 2.6.19 # $LINUX/include/linux/config.h is removed
+# and at more old has only one line
+# include <autoconf.h>
LB_CHECK_FILES([$LINUX_OBJ/include/linux/autoconf.h
$LINUX_OBJ/include/linux/version.h
- $LINUX/include/linux/config.h],[],
+ ],[],
[AC_MSG_ERROR([Run make config in $LINUX.])])
# ------------ rhconfig.h includes runtime-generated bits --
AC_MSG_RESULT([no])
AC_MSG_WARN([Consult config.log for details.])
AC_MSG_WARN([If you are trying to build with a kernel-source rpm, consult build/README.kernel-source])
- AC_MSG_ERROR([Kernel modules cannot be build.])
+ AC_MSG_ERROR([Kernel modules cannot be built.])
])
LB_LINUX_RELEASE
+]) # end of LB_LINUX_PATH
+
+# LB_LINUX_SYMVERFILE
+# SLES 9 uses a different name for this file - unsure about vanilla kernels
+# around this version, but it matters for servers only.
+AC_DEFUN([LB_LINUX_SYMVERFILE],
+ [AC_MSG_CHECKING([name of module symbol version file])
+ if grep -q Modules.symvers $LINUX/scripts/Makefile.modpost ; then
+ SYMVERFILE=Modules.symvers
+ else
+ SYMVERFILE=Module.symvers
+ fi
+ AC_MSG_RESULT($SYMVERFILE)
+ AC_SUBST(SYMVERFILE)
+])
+
+#
+#
+# LB_LINUX_MODPOST
+#
+# Find modpost and check it
+#
+AC_DEFUN([LB_LINUX_MODPOST],
+[
+# Find the modpost utility
+LB_CHECK_FILE([$LINUX_OBJ/scripts/mod/modpost],
+ [MODPOST=$LINUX_OBJ/scripts/mod/modpost],
+ [LB_CHECK_FILE([$LINUX_OBJ/scripts/modpost],
+ [MODPOST=$LINUX_OBJ/scripts/modpost],
+ AC_MSG_ERROR([modpost not found.])
+ )]
+)
+AC_SUBST(MODPOST)
+
+# Ensure it can run
+AC_MSG_CHECKING([if modpost can be run])
+if $MODPOST ; then
+ AC_MSG_RESULT([yes])
+else
+ AC_MSG_ERROR([modpost can not be run.])
+fi
+
+# Check if modpost supports (and therefore requires) -m
+AC_MSG_CHECKING([if modpost supports -m])
+if $MODPOST -m 2>/dev/null ; then
+ AC_MSG_RESULT([yes])
+ MODPOST_ARGS=-m
+else
+ AC_MSG_RESULT([no])
+ MODPOST_ARGS=""
+fi
+AC_SUBST(MODPOST_ARGS)
])
#
_ACEOF
])
+
+# LB_LANG_PROGRAM(C)([PROLOGUE], [BODY])
+# --------------------------------------
+m4_define([LB_LANG_PROGRAM],
+[$1
+int
+main (void)
+{
+dnl Do *not* indent the following line: there may be CPP directives.
+dnl Don't move the `;' right after for the same reason.
+$2
+ ;
+ return 0;
+}])
+
#
# LB_LINUX_COMPILE_IFELSE
#
AC_DEFUN([LB_LINUX_COMPILE_IFELSE],
[m4_ifvaln([$1], [LB_LINUX_CONFTEST([$1])])dnl
rm -f build/conftest.o build/conftest.mod.c build/conftest.ko
-AS_IF([AC_TRY_COMMAND(cp conftest.c build && make [$2] CC="$CC" -f $PWD/build/Makefile LUSTRE_LINUX_CONFIG=$LINUX_CONFIG -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])],
+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/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
])
#
+# LB_LINUX_ARCH
+#
+# Determine the kernel's idea of the current architecture
+#
+AC_DEFUN([LB_LINUX_ARCH],
+ [AC_MSG_CHECKING([Linux kernel architecture])
+ AS_IF([rm -f $PWD/build/arch
+ make -s --no-print-directory echoarch -f $PWD/build/Makefile \
+ LUSTRE_LINUX_CONFIG=$LINUX_CONFIG -C $LINUX_OBJ $ARCH_UM \
+ ARCHFILE=$PWD/build/arch && LINUX_ARCH=`cat $PWD/build/arch`],
+ [AC_MSG_RESULT([$LINUX_ARCH])],
+ [AC_MSG_ERROR([Could not determine the kernel architecture.])])
+ rm -f build/arch])
+
+#
# LB_LINUX_TRY_COMPILE
#
# like AC_TRY_COMPILE
#
AC_DEFUN([LB_LINUX_TRY_COMPILE],
[LB_LINUX_COMPILE_IFELSE(
- [AC_LANG_PROGRAM([[$1]], [[$2]])],
+ [AC_LANG_SOURCE([LB_LANG_PROGRAM([[$1]], [[$2]])])],
[modules],
[test -s build/conftest.o],
[$3], [$4])])
#
AC_DEFUN([LB_LINUX_CONFIG],
[AC_MSG_CHECKING([if Linux was built with CONFIG_$1])
-LB_LINUX_TRY_COMPILE([#include <linux/config.h>],[
+LB_LINUX_TRY_COMPILE([
+#include <linux/autoconf.h>
+],[
#ifndef CONFIG_$1
#error CONFIG_$1 not #defined
#endif
#
AC_DEFUN([LB_LINUX_CONFIG_IM],
[AC_MSG_CHECKING([if Linux was built with CONFIG_$1 in or as module])
-LB_LINUX_TRY_COMPILE([#include <linux/config.h>],[
+LB_LINUX_TRY_COMPILE([
+#include <linux/autoconf.h>
+],[
#if !(defined(CONFIG_$1) || defined(CONFIG_$1_MODULE))
#error CONFIG_$1 and CONFIG_$1_MODULE not #defined
#endif
# like LB_LINUX_TRY_COMPILE, but with different arguments
#
AC_DEFUN([LB_LINUX_TRY_MAKE],
-[LB_LINUX_COMPILE_IFELSE([AC_LANG_PROGRAM([[$1]], [[$2]])], [$3], [$4], [$5], [$6])])
+[LB_LINUX_COMPILE_IFELSE([AC_LANG_SOURCE([LB_LANG_PROGRAM([[$1]], [[$2]])])], [$3], [$4], [$5], [$6])])
#
# LB_LINUX_CONFIG_BIG_STACK
#
AC_DEFUN([LB_PROG_LINUX],
[LB_LINUX_PATH
+LB_LINUX_ARCH
+LB_LINUX_SYMVERFILE
+
LB_LINUX_CONFIG([MODULES],[],[
AC_MSG_ERROR([module support is required to build Lustre kernel modules.])
AC_MSG_WARN([])
])
-#
-# following CRYPTO related are required by capability
-#
-LB_LINUX_CONFIG_IM([CRYPTO],[],[
- AC_MSG_ERROR([Lustre require that CONFIG_CRYPTO is enabled in your kernel.])
-])
-
-LB_LINUX_CONFIG_IM([CRYPTO_HMAC],[],[
- AC_MSG_ERROR([Lustre require that CONFIG_CRYPTO_HMAC is enabled in your kernel.])
-])
-
-LB_LINUX_CONFIG_IM([CRYPTO_SHA1],[],[
- AC_MSG_ERROR([Lustre require that CONFIG_CRYPTO_SHA1 is enabled in your kernel.])
-])
-
#LB_LINUX_CONFIG_BIG_STACK
-# LNet tests
-LN_PROG_LINUX
-
-# Lustre tests
-LC_PROG_LINUX
-
-# Portals tests
-if test "$PORTALS" ; then
- LP_PROG_LINUX
-fi
])
#
[AM_CONDITIONAL(LINUX25, test x$linux25 = xyes)
])
-#
-# LC_LINUX_CONFIG_GSS
-#
-# Build gss and related tools of Lustre. Currently both kernel and user space
-# parts are depend on linux platform.
-#
-AC_DEFUN([LC_LINUX_CONFIG_GSS],
-[AC_MSG_CHECKING([whether to enable gss/krb5 support])
-AC_ARG_ENABLE([gss],
- AC_HELP_STRING([--enable-gss], [enable gss/krb5 support]),
- [],[enable_gss='no'])
-AC_MSG_RESULT([$enable_gss])
-if test x$enable_gss == xyes; then
- LB_LINUX_CONFIG_IM([SUNRPC],[],[
- AC_MSG_ERROR([GSS require that CONFIG_SUNRPC is enabled in your kernel.])
- ])
- LB_LINUX_CONFIG_IM([CRYPTO_DES],[],[
- AC_MSG_WARN([DES support is recommended by using GSS.])
- ])
- LB_LINUX_CONFIG_IM([CRYPTO_MD5],[],[
- AC_MSG_WARN([MD5 support is recommended by using GSS.])
- ])
- LB_LINUX_CONFIG_IM([CRYPTO_SHA256],[],[
- AC_MSG_WARN([SHA256 support is recommended by using GSS.])
- ])
- LB_LINUX_CONFIG_IM([CRYPTO_SHA512],[],[
- AC_MSG_WARN([SHA512 support is recommended by using GSS.])
- ])
- LB_LINUX_CONFIG_IM([CRYPTO_ARC4],[],[
- AC_MSG_WARN([ARC4 support is recommended by using GSS.])
- ])
- #
- # unfortunately AES symbol is depend (optimized) on arch
- #
-
- AC_CHECK_LIB(gssapi, gss_init_sec_context, [
- GSSAPI_LIBS="$GSSAPI_LDFLAGS -lgssapi"
- ], [
- AC_MSG_ERROR([libgssapi is not found, consider --disable-gss.])
- ],
- )
-
- AC_SUBST(GSSAPI_LIBS)
- AC_KERBEROS_V5
+#
+# LB_CHECK_SYMBOL_EXPORT
+# check symbol exported or not
+# $1 - symbol
+# $2 - file(s) for find.
+# $3 - do 'yes'
+# $4 - do 'no'
+#
+# 2.6 based kernels - put modversion info into $LINUX/Module.modvers
+# or check
+AC_DEFUN([LB_CHECK_SYMBOL_EXPORT],
+[AC_MSG_CHECKING([if Linux was built with symbol $1 is exported])
+grep -q -E '[[[:space:]]]$1[[[:space:]]]' $LINUX/$SYMVERFILE 2>/dev/null
+rc=$?
+if test $rc -ne 0; then
+ export=0
+ for file in $2; do
+ grep -q -E "EXPORT_SYMBOL.*\($1\)" "$LINUX/$file" 2>/dev/null
+ rc=$?
+ if test $rc -eq 0; then
+ export=1
+ break;
+ fi
+ done
+ if test $export -eq 0; then
+ AC_MSG_RESULT([no])
+ $4
+ else
+ AC_MSG_RESULT([yes])
+ $3
+ fi
+else
+ AC_MSG_RESULT([yes])
+ $3
fi
])
-
git://git.whamcloud.com / fs / lustre-release.git / blobdiff