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Add '--with-spl-timeout' option
When checking for the SPL Module.symvers file, a timeout can now be passed in which will pause the configure step while it waits for this file to be generated. By default, the configure behavior is unchanged as a timeout of 0 is used. If a positive number of seconds is passed, configure will wait that number of seconds for the Module.symvers file before moving on. The main motivation for this change was to support parallel execution of './configure && make' for the SPL and ZFS packages in preparation of supporting DKMS based packages. Signed-off-by: Prakash Surya <surya1@llnl.gov> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Prakash Surya
Brian Behlendorf
parent
d96eb2b153
commit
5085d55817
@ -218,24 +218,45 @@ AC_DEFUN([ZFS_AC_KERNEL], [
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dnl #
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dnl # Detect name used for the additional SPL Module.symvers file. If one
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dnl # does not exist this is likely because the SPL has been configured
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dnl # but not built. To allow recursive builds a good guess is made as to
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dnl # what this file will be named based on what it is named in the kernel
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dnl # build products. This file will first be used at link time so if
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dnl # the guess is wrong the build will fail then. This unfortunately
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dnl # means the ZFS package does not contain a reliable mechanism to
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dnl # detect symbols exported by the SPL at configure time.
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dnl # but not built. The '--with-spl-timeout' option can be passed
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dnl # to pause here, waiting for the file to appear from a concurrently
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dnl # building SPL package. If the file does not appear in time, a good
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dnl # guess is made as to what this file will be named based on what it
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dnl # is named in the kernel build products. This file will first be
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dnl # used at link time so if the guess is wrong the build will fail
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dnl # then. This unfortunately means the ZFS package does not contain a
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dnl # reliable mechanism to detect symbols exported by the SPL at
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dnl # configure time.
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dnl #
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AC_DEFUN([ZFS_AC_SPL_MODULE_SYMVERS], [
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AC_ARG_WITH([spl-timeout],
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AS_HELP_STRING([--with-spl-timeout=SECS],
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[Wait SECS for symvers file to appear @<:@default=0@:>@]),
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[timeout="$withval"], [timeout=0])
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AC_MSG_CHECKING([spl file name for module symbols])
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AS_IF([test -r $SPL_OBJ/Module.symvers], [
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SPL_SYMBOLS=Module.symvers
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], [test -r $SPL_OBJ/Modules.symvers], [
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SPL_SYMBOLS=Modules.symvers
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], [test -r $SPL_OBJ/module/Module.symvers], [
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SPL_SYMBOLS=Module.symvers
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], [test -r $SPL_OBJ/module/Modules.symvers], [
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SPL_SYMBOLS=Modules.symvers
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], [
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SPL_SYMBOLS=NONE
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while true; do
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AS_IF([test -r $SPL_OBJ/Module.symvers], [
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SPL_SYMBOLS=Module.symvers
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], [test -r $SPL_OBJ/Modules.symvers], [
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SPL_SYMBOLS=Modules.symvers
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], [test -r $SPL_OBJ/module/Module.symvers], [
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SPL_SYMBOLS=Module.symvers
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], [test -r $SPL_OBJ/module/Modules.symvers], [
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SPL_SYMBOLS=Modules.symvers
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])
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AS_IF([test $SPL_SYMBOLS != NONE -o $timeout -le 0], [
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break;
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], [
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sleep 1
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timeout=$((timeout-1))
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])
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done
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AS_IF([test "$SPL_SYMBOLS" = NONE], [
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SPL_SYMBOLS=$LINUX_SYMBOLS
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])
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106
configure
vendored
106
configure
vendored
@ -986,6 +986,7 @@ with_linux
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with_linux_obj
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with_spl
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with_spl_obj
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with_spl_timeout
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with_udevdir
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with_udevruledir
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with_blkid
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@ -1660,6 +1661,7 @@ Optional Packages:
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--with-linux-obj=PATH Path to kernel build objects
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--with-spl=PATH Path to spl source
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--with-spl-obj=PATH Path to spl build objects
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--with-spl-timeout=SECS Wait SECS for symvers file to appear [default=0]
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--with-udevdir=DIR install udev helpers [EPREFIX/lib/udev]
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--with-udevruledir=DIR install udev rules [UDEVDIR/rules.d]
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--with-blkid support blkid caching [default=check]
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@ -4842,13 +4844,13 @@ if test "${lt_cv_nm_interface+set}" = set; then
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else
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lt_cv_nm_interface="BSD nm"
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echo "int some_variable = 0;" > conftest.$ac_ext
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(eval echo "\"\$as_me:4845: $ac_compile\"" >&5)
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(eval echo "\"\$as_me:4847: $ac_compile\"" >&5)
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(eval "$ac_compile" 2>conftest.err)
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cat conftest.err >&5
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(eval echo "\"\$as_me:4848: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
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(eval echo "\"\$as_me:4850: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
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(eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
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cat conftest.err >&5
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(eval echo "\"\$as_me:4851: output\"" >&5)
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(eval echo "\"\$as_me:4853: output\"" >&5)
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cat conftest.out >&5
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if $GREP 'External.*some_variable' conftest.out > /dev/null; then
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lt_cv_nm_interface="MS dumpbin"
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@ -6054,7 +6056,7 @@ ia64-*-hpux*)
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;;
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*-*-irix6*)
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# Find out which ABI we are using.
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echo '#line 6057 "configure"' > conftest.$ac_ext
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echo '#line 6059 "configure"' > conftest.$ac_ext
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if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
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(eval $ac_compile) 2>&5
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ac_status=$?
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@ -7907,11 +7909,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:7910: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:7912: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>conftest.err)
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ac_status=$?
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cat conftest.err >&5
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echo "$as_me:7914: \$? = $ac_status" >&5
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echo "$as_me:7916: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s "$ac_outfile"; then
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# The compiler can only warn and ignore the option if not recognized
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# So say no if there are warnings other than the usual output.
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@ -8246,11 +8248,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:8249: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:8251: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>conftest.err)
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ac_status=$?
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cat conftest.err >&5
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echo "$as_me:8253: \$? = $ac_status" >&5
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echo "$as_me:8255: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s "$ac_outfile"; then
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# The compiler can only warn and ignore the option if not recognized
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# So say no if there are warnings other than the usual output.
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@ -8351,11 +8353,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:8354: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:8356: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>out/conftest.err)
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ac_status=$?
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cat out/conftest.err >&5
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echo "$as_me:8358: \$? = $ac_status" >&5
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echo "$as_me:8360: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s out/conftest2.$ac_objext
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then
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# The compiler can only warn and ignore the option if not recognized
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@ -8406,11 +8408,11 @@ else
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-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
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-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
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-e 's:$: $lt_compiler_flag:'`
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(eval echo "\"\$as_me:8409: $lt_compile\"" >&5)
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(eval echo "\"\$as_me:8411: $lt_compile\"" >&5)
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(eval "$lt_compile" 2>out/conftest.err)
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ac_status=$?
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cat out/conftest.err >&5
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echo "$as_me:8413: \$? = $ac_status" >&5
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echo "$as_me:8415: \$? = $ac_status" >&5
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if (exit $ac_status) && test -s out/conftest2.$ac_objext
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then
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# The compiler can only warn and ignore the option if not recognized
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@ -11209,7 +11211,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 11212 "configure"
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#line 11214 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -11305,7 +11307,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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#line 11308 "configure"
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#line 11310 "configure"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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@ -12384,26 +12386,54 @@ $as_echo "$splsrcver" >&6; }
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# Check whether --with-spl-timeout was given.
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if test "${with_spl_timeout+set}" = set; then
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withval=$with_spl_timeout; timeout="$withval"
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else
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timeout=0
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fi
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{ $as_echo "$as_me:$LINENO: checking spl file name for module symbols" >&5
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$as_echo_n "checking spl file name for module symbols... " >&6; }
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if test -r $SPL_OBJ/Module.symvers; then
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SPL_SYMBOLS=NONE
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SPL_SYMBOLS=Module.symvers
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while true; do
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if test -r $SPL_OBJ/Module.symvers; then
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SPL_SYMBOLS=Module.symvers
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elif test -r $SPL_OBJ/Modules.symvers; then
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SPL_SYMBOLS=Modules.symvers
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SPL_SYMBOLS=Modules.symvers
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elif test -r $SPL_OBJ/module/Module.symvers; then
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SPL_SYMBOLS=Module.symvers
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SPL_SYMBOLS=Module.symvers
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elif test -r $SPL_OBJ/module/Modules.symvers; then
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SPL_SYMBOLS=Modules.symvers
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SPL_SYMBOLS=Modules.symvers
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fi
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if test $SPL_SYMBOLS != NONE -o $timeout -le 0; then
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break;
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else
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sleep 1
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timeout=$((timeout-1))
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fi
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done
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if test "$SPL_SYMBOLS" = NONE; then
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SPL_SYMBOLS=$LINUX_SYMBOLS
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fi
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@ -19957,26 +19987,54 @@ $as_echo "$splsrcver" >&6; }
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# Check whether --with-spl-timeout was given.
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if test "${with_spl_timeout+set}" = set; then
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withval=$with_spl_timeout; timeout="$withval"
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else
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timeout=0
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fi
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{ $as_echo "$as_me:$LINENO: checking spl file name for module symbols" >&5
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$as_echo_n "checking spl file name for module symbols... " >&6; }
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if test -r $SPL_OBJ/Module.symvers; then
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SPL_SYMBOLS=NONE
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SPL_SYMBOLS=Module.symvers
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while true; do
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if test -r $SPL_OBJ/Module.symvers; then
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SPL_SYMBOLS=Module.symvers
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elif test -r $SPL_OBJ/Modules.symvers; then
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SPL_SYMBOLS=Modules.symvers
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SPL_SYMBOLS=Modules.symvers
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elif test -r $SPL_OBJ/module/Module.symvers; then
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SPL_SYMBOLS=Module.symvers
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SPL_SYMBOLS=Module.symvers
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elif test -r $SPL_OBJ/module/Modules.symvers; then
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SPL_SYMBOLS=Modules.symvers
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SPL_SYMBOLS=Modules.symvers
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fi
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if test $SPL_SYMBOLS != NONE -o $timeout -le 0; then
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break;
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else
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sleep 1
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timeout=$((timeout-1))
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fi
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done
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if test "$SPL_SYMBOLS" = NONE; then
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SPL_SYMBOLS=$LINUX_SYMBOLS
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fi
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