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[Cluster-devel] Re: Fix for configure and kernel trees



On Thu, Sep 27, 2007 at 03:30:21PM -0700, Joel Becker wrote:
> configure: Backticks don't work in strings.  Use POSIX::uname().
> 
> The strings that use backticks to get `uname -r` don't work as expected.
> Let's use POSIX::uname() directly and let perl do the work.

[Resend, the first patch had a debug printf left in it]

Index: configure
===================================================================
RCS file: /cvs/cluster/cluster/configure,v
retrieving revision 1.34
diff -u -u -r1.34 configure
--- configure	24 Sep 2007 14:43:13 -0000	1.34
+++ configure	27 Sep 2007 22:32:16 -0000
@@ -14,6 +14,7 @@
 ###############################################################################
 
 use Getopt::Long;
+use POSIX qw(uname);
 
 print "\nConfiguring Makefiles for your system...\n";
 
@@ -228,22 +229,24 @@
 if (!$prefix) {
   $prefix="/usr";
 }
+
+my @un = POSIX::uname();
 if (!$kernel_build) {
-  if (-d "/lib/modules/`uname -r`/build") {
-    $kernel_build="/lib/modules/`uname -r`/build";
+  if (-d "/lib/modules/$un[2]/build") {
+    $kernel_build="/lib/modules/$un[2]/build";
   } else {
     $kernel_build="/usr/src/linux";
   }
 }
 if (!$kernel_src) {
-  if (-d "/lib/modules/`uname -r`/source") {
-    $kernel_src="/lib/modules/`uname -r`/source";
+  if (-d "/lib/modules/$un[2]/source") {
+    $kernel_src="/lib/modules/$un[2]/source";
   } else {
     $kernel_src=$kernel_build;
   }
 }
 if (!$module_dir) {
-  $module_dir="/lib/modules/`uname -r`/kernel";
+  $module_dir="/lib/modules/$un[2]/kernel";
 }
 if (!$gfskincdir) {
   $gfskincdir="${pwd}/gfs-kernel/src/gfs";
-- 

Life's Little Instruction Book #267

	"Lie on your back and look at the stars."

Joel Becker
Principal Software Developer
Oracle
E-mail: joel becker oracle com
Phone: (650) 506-8127


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