mysql: Provide config cache for ps checks:

* Scripts need target ps, not build host ps.
* It makes possible to build it on host chroots without /proc mounted.

diff --git a/packages/mysql/files/configure-ps-cache-check.patch b/packages/mysql/files/configure-ps-cache-check.patch
new file mode 100644 (file)
index 0000000..3b5b3fd
--- /dev/null
+++ b/packages/mysql/files/configure-ps-cache-check.patch
@@ -0,0 +1,27 @@
+Index: mysql-4.1.22/configure.in
+===================================================================
+--- mysql-4.1.22.orig/configure.in     2009-01-28 16:33:28.000000000 +0000
++++ mysql-4.1.22/configure.in  2009-01-28 16:43:26.000000000 +0000
+@@ -471,8 +471,8 @@
+ 
+ # Lock for PS
+ AC_PATH_PROG(PS, ps, ps)
+-AC_MSG_CHECKING("how to check if pid exists")
+-PS=$ac_cv_path_PS
++AC_CACHE_CHECK([how to check if pid exists], [ac_cv_FIND_PROC],
++[
+ # Linux style
+ if $PS p $$ 2> /dev/null | grep $0 > /dev/null
+ then
+@@ -511,8 +511,9 @@
+       AC_MSG_ERROR([Could not find the right ps switches. Which OS is this ?. See the Installation chapter in the Reference Manual.])
+   esac
+ fi
+-AC_SUBST(FIND_PROC)
+-AC_MSG_RESULT("$FIND_PROC")
++ac_cv_FIND_PROC="$FIND_PROC"
++])
++AC_SUBST([FIND_PROC], [$ac_cv_FIND_PROC])
+ 
+ # Check if a pid is valid
+ AC_PATH_PROG(KILL, kill, kill)