LB_LINUX_TRY_COMPILE([
#include <linux/version.h>
],[
- #ifndef RHEL_MAJOR
+ #ifndef RHEL_RELEASE_CODE
#error "not redhat kernel"
#endif
],[
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_CONFIG([SUSE_KERNEL],[SUSE_KERNEL="yes"],[])
+
])
+# LB_ARG_REPLACE_PATH(PACKAGE, PATH)
+AC_DEFUN([LB_ARG_REPLACE_PATH],[
+ new_configure_args=
+ eval "set x $ac_configure_args"
+ shift
+ for arg; do
+ case $arg in
+ --with-[$1]=*)
+ arg=--with-[$1]=[$2]
+ ;;
+ *\'*)
+ arg=$(printf %s\n ["$arg"] | \
+ sed "s/'/'\\\\\\\\''/g")
+ ;;
+ esac
+ dnl AS_VAR_APPEND([new_configure_args], [" '$arg'"])
+ new_configure_args="$new_configure_args \"$arg\""
+ done
+ ac_configure_args=$new_configure_args
+])
+
+# this is the work-horse of the next function
+AC_DEFUN([__LB_ARG_CANON_PATH], [
+ [$3]=$(readlink -f $with_$2)
+ LB_ARG_REPLACE_PATH([$1], $[$3])
+])
+
+# a front-end for the above function that transforms - and . in the
+# PACKAGE portion of --with-PACKAGE into _ suitable for variable names
+AC_DEFUN([LB_ARG_CANON_PATH], [
+ __LB_ARG_CANON_PATH([$1], m4_translit([$1], [-.], [__]), [$2])
])
#
AC_ARG_WITH([linux],
AC_HELP_STRING([--with-linux=path],
[set path to Linux source (default=/usr/src/linux)]),
- [
- if ! [[[ $with_linux = /* ]]]; then
- AC_MSG_ERROR([You must provide an absolute pathname to the --with-linux= option.])
- else
- LINUX=$with_linux
- fi
- ],
+ [LB_ARG_CANON_PATH([linux], [LINUX])],
[LINUX=/usr/src/linux])
AC_MSG_RESULT([$LINUX])
AC_SUBST(LINUX)
AC_ARG_WITH([linux-obj],
AC_HELP_STRING([--with-linux-obj=path],
[set path to Linux objects dir (default=$LINUX)]),
- [LINUX_OBJ=$with_linux_obj],
+ [LB_ARG_CANON_PATH([linux-obj], [LINUX_OBJ])],
[LINUX_OBJ=$LINUX])
AC_MSG_RESULT([$LINUX_OBJ])
AC_SUBST(LINUX_OBJ)
AC_ARG_WITH([linux-config],
[AC_HELP_STRING([--with-linux-config=path],
[set path to Linux .conf (default=$LINUX_OBJ/.config)])],
- [LINUX_CONFIG=$with_linux_config],
+ [LB_ARG_CANON_PATH([linux-config], [LINUX_CONFIG])],
[LINUX_CONFIG=$LINUX_OBJ/.config])
AC_SUBST(LINUX_CONFIG)
AC_ARG_WITH([kernel-source-header],
AC_HELP_STRING([--with-kernel-source-header=path],
[Use a different kernel version header. Consult build/README.kernel-source for details.]),
- [KERNEL_SOURCE_HEADER=$with_kernel_source_header])
+ [LB_ARG_CANON_PATH([kernel-source-header], [KERNEL_SOURCE_HEADER])])
# ------------ .config exists ----------------
LB_CHECK_FILE([$LINUX_CONFIG],[],
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 -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])],
+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
])
[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 $ARCH_UM \
+ LUSTRE_LINUX_CONFIG=$LINUX_CONFIG -C $LINUX $ARCH_UM \
ARCHFILE=$PWD/build/arch && LINUX_ARCH=`cat $PWD/build/arch`],
[AC_MSG_RESULT([$LINUX_ARCH])],
[AC_MSG_ERROR([Could not determine the kernel architecture.])])
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
git://git.whamcloud.com / fs / lustre-release.git / blobdiff