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authorPrakash Surya <[email protected]>2012-08-07 17:07:55 -0700
committerBrian Behlendorf <[email protected]>2012-08-08 15:20:55 -0700
commit5085d55817f67e2333366e517c6cc7a6fdda50f7 (patch)
tree35c711bac298253db373ccb47f7eb712c8128ef0
parentd96eb2b1538db13ee7a716ec0e1162f5735edc12 (diff)
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 <[email protected]> Signed-off-by: Brian Behlendorf <[email protected]>
-rw-r--r--config/kernel.m451
-rwxr-xr-xconfigure106
2 files changed, 118 insertions, 39 deletions
diff --git a/config/kernel.m4 b/config/kernel.m4
index 260ad84f4..7d8a5f4d5 100644
--- a/config/kernel.m4
+++ b/config/kernel.m4
@@ -218,24 +218,45 @@ AC_DEFUN([ZFS_AC_KERNEL], [
dnl #
dnl # Detect name used for the additional SPL Module.symvers file. If one
dnl # does not exist this is likely because the SPL has been configured
-dnl # but not built. To allow recursive builds a good guess is made as to
-dnl # what this file will be named based on what it is named in the kernel
-dnl # build products. This file will first be used at link time so if
-dnl # the guess is wrong the build will fail then. This unfortunately
-dnl # means the ZFS package does not contain a reliable mechanism to
-dnl # detect symbols exported by the SPL at configure time.
+dnl # but not built. The '--with-spl-timeout' option can be passed
+dnl # to pause here, waiting for the file to appear from a concurrently
+dnl # building SPL package. If the file does not appear in time, a good
+dnl # guess is made as to what this file will be named based on what it
+dnl # is named in the kernel build products. This file will first be
+dnl # used at link time so if the guess is wrong the build will fail
+dnl # then. This unfortunately means the ZFS package does not contain a
+dnl # reliable mechanism to detect symbols exported by the SPL at
+dnl # configure time.
dnl #
AC_DEFUN([ZFS_AC_SPL_MODULE_SYMVERS], [
+ AC_ARG_WITH([spl-timeout],
+ AS_HELP_STRING([--with-spl-timeout=SECS],
+ [Wait SECS for symvers file to appear @<:@default=0@:>@]),
+ [timeout="$withval"], [timeout=0])
+
AC_MSG_CHECKING([spl file name for module symbols])
- AS_IF([test -r $SPL_OBJ/Module.symvers], [
- SPL_SYMBOLS=Module.symvers
- ], [test -r $SPL_OBJ/Modules.symvers], [
- SPL_SYMBOLS=Modules.symvers
- ], [test -r $SPL_OBJ/module/Module.symvers], [
- SPL_SYMBOLS=Module.symvers
- ], [test -r $SPL_OBJ/module/Modules.symvers], [
- SPL_SYMBOLS=Modules.symvers
- ], [
+ SPL_SYMBOLS=NONE
+
+ while true; do
+ AS_IF([test -r $SPL_OBJ/Module.symvers], [
+ SPL_SYMBOLS=Module.symvers
+ ], [test -r $SPL_OBJ/Modules.symvers], [
+ SPL_SYMBOLS=Modules.symvers
+ ], [test -r $SPL_OBJ/module/Module.symvers], [
+ SPL_SYMBOLS=Module.symvers
+ ], [test -r $SPL_OBJ/module/Modules.symvers], [
+ SPL_SYMBOLS=Modules.symvers
+ ])
+
+ AS_IF([test $SPL_SYMBOLS != NONE -o $timeout -le 0], [
+ break;
+ ], [
+ sleep 1
+ timeout=$((timeout-1))
+ ])
+ done
+
+ AS_IF([test "$SPL_SYMBOLS" = NONE], [
SPL_SYMBOLS=$LINUX_SYMBOLS
])
diff --git a/configure b/configure
index 313e05137..858a32dee 100755
--- a/configure
+++ b/configure
@@ -986,6 +986,7 @@ with_linux
with_linux_obj
with_spl
with_spl_obj
+with_spl_timeout
with_udevdir
with_udevruledir
with_blkid
@@ -1660,6 +1661,7 @@ Optional Packages:
--with-linux-obj=PATH Path to kernel build objects
--with-spl=PATH Path to spl source
--with-spl-obj=PATH Path to spl build objects
+ --with-spl-timeout=SECS Wait SECS for symvers file to appear [default=0]
--with-udevdir=DIR install udev helpers [EPREFIX/lib/udev]
--with-udevruledir=DIR install udev rules [UDEVDIR/rules.d]
--with-blkid support blkid caching [default=check]
@@ -4842,13 +4844,13 @@ if test "${lt_cv_nm_interface+set}" = set; then
else
lt_cv_nm_interface="BSD nm"
echo "int some_variable = 0;" > conftest.$ac_ext
- (eval echo "\"\$as_me:4845: $ac_compile\"" >&5)
+ (eval echo "\"\$as_me:4847: $ac_compile\"" >&5)
(eval "$ac_compile" 2>conftest.err)
cat conftest.err >&5
- (eval echo "\"\$as_me:4848: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
+ (eval echo "\"\$as_me:4850: $NM \\\"conftest.$ac_objext\\\"\"" >&5)
(eval "$NM \"conftest.$ac_objext\"" 2>conftest.err > conftest.out)
cat conftest.err >&5
- (eval echo "\"\$as_me:4851: output\"" >&5)
+ (eval echo "\"\$as_me:4853: output\"" >&5)
cat conftest.out >&5
if $GREP 'External.*some_variable' conftest.out > /dev/null; then
lt_cv_nm_interface="MS dumpbin"
@@ -6054,7 +6056,7 @@ ia64-*-hpux*)
;;
*-*-irix6*)
# Find out which ABI we are using.
- echo '#line 6057 "configure"' > conftest.$ac_ext
+ echo '#line 6059 "configure"' > conftest.$ac_ext
if { (eval echo "$as_me:$LINENO: \"$ac_compile\"") >&5
(eval $ac_compile) 2>&5
ac_status=$?
@@ -7907,11 +7909,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:7910: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:7912: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:7914: \$? = $ac_status" >&5
+ echo "$as_me:7916: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
@@ -8246,11 +8248,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:8249: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:8251: $lt_compile\"" >&5)
(eval "$lt_compile" 2>conftest.err)
ac_status=$?
cat conftest.err >&5
- echo "$as_me:8253: \$? = $ac_status" >&5
+ echo "$as_me:8255: \$? = $ac_status" >&5
if (exit $ac_status) && test -s "$ac_outfile"; then
# The compiler can only warn and ignore the option if not recognized
# So say no if there are warnings other than the usual output.
@@ -8351,11 +8353,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:8354: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:8356: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:8358: \$? = $ac_status" >&5
+ echo "$as_me:8360: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@@ -8406,11 +8408,11 @@ else
-e 's:.*FLAGS}\{0,1\} :&$lt_compiler_flag :; t' \
-e 's: [^ ]*conftest\.: $lt_compiler_flag&:; t' \
-e 's:$: $lt_compiler_flag:'`
- (eval echo "\"\$as_me:8409: $lt_compile\"" >&5)
+ (eval echo "\"\$as_me:8411: $lt_compile\"" >&5)
(eval "$lt_compile" 2>out/conftest.err)
ac_status=$?
cat out/conftest.err >&5
- echo "$as_me:8413: \$? = $ac_status" >&5
+ echo "$as_me:8415: \$? = $ac_status" >&5
if (exit $ac_status) && test -s out/conftest2.$ac_objext
then
# The compiler can only warn and ignore the option if not recognized
@@ -11209,7 +11211,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11212 "configure"
+#line 11214 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -11305,7 +11307,7 @@ else
lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
lt_status=$lt_dlunknown
cat > conftest.$ac_ext <<_LT_EOF
-#line 11308 "configure"
+#line 11310 "configure"
#include "confdefs.h"
#if HAVE_DLFCN_H
@@ -12384,26 +12386,54 @@ $as_echo "$splsrcver" >&6; }
+
+# Check whether --with-spl-timeout was given.
+if test "${with_spl_timeout+set}" = set; then
+ withval=$with_spl_timeout; timeout="$withval"
+else
+ timeout=0
+fi
+
+
{ $as_echo "$as_me:$LINENO: checking spl file name for module symbols" >&5
$as_echo_n "checking spl file name for module symbols... " >&6; }
- if test -r $SPL_OBJ/Module.symvers; then
+ SPL_SYMBOLS=NONE
- SPL_SYMBOLS=Module.symvers
+ while true; do
+ if test -r $SPL_OBJ/Module.symvers; then
+
+ SPL_SYMBOLS=Module.symvers
elif test -r $SPL_OBJ/Modules.symvers; then
- SPL_SYMBOLS=Modules.symvers
+ SPL_SYMBOLS=Modules.symvers
elif test -r $SPL_OBJ/module/Module.symvers; then
- SPL_SYMBOLS=Module.symvers
+ SPL_SYMBOLS=Module.symvers
elif test -r $SPL_OBJ/module/Modules.symvers; then
- SPL_SYMBOLS=Modules.symvers
+ SPL_SYMBOLS=Modules.symvers
+
+fi
+
+
+ if test $SPL_SYMBOLS != NONE -o $timeout -le 0; then
+
+ break;
else
+ sleep 1
+ timeout=$((timeout-1))
+
+fi
+
+ done
+
+ if test "$SPL_SYMBOLS" = NONE; then
+
SPL_SYMBOLS=$LINUX_SYMBOLS
fi
@@ -19957,26 +19987,54 @@ $as_echo "$splsrcver" >&6; }
+
+# Check whether --with-spl-timeout was given.
+if test "${with_spl_timeout+set}" = set; then
+ withval=$with_spl_timeout; timeout="$withval"
+else
+ timeout=0
+fi
+
+
{ $as_echo "$as_me:$LINENO: checking spl file name for module symbols" >&5
$as_echo_n "checking spl file name for module symbols... " >&6; }
- if test -r $SPL_OBJ/Module.symvers; then
+ SPL_SYMBOLS=NONE
- SPL_SYMBOLS=Module.symvers
+ while true; do
+ if test -r $SPL_OBJ/Module.symvers; then
+
+ SPL_SYMBOLS=Module.symvers
elif test -r $SPL_OBJ/Modules.symvers; then
- SPL_SYMBOLS=Modules.symvers
+ SPL_SYMBOLS=Modules.symvers
elif test -r $SPL_OBJ/module/Module.symvers; then
- SPL_SYMBOLS=Module.symvers
+ SPL_SYMBOLS=Module.symvers
elif test -r $SPL_OBJ/module/Modules.symvers; then
- SPL_SYMBOLS=Modules.symvers
+ SPL_SYMBOLS=Modules.symvers
+
+fi
+
+
+ if test $SPL_SYMBOLS != NONE -o $timeout -le 0; then
+
+ break;
else
+ sleep 1
+ timeout=$((timeout-1))
+
+fi
+
+ done
+
+ if test "$SPL_SYMBOLS" = NONE; then
+
SPL_SYMBOLS=$LINUX_SYMBOLS
fi