* configure.ac: Fix detection of PGMAJORVERSION.

Author: praiskup

NEWS

@@ -4,11 +4,13 @@ Bugfixes in 5.0 version
 
 * postgresql-setup --upgrade now works with "umask & 0004 != 0"
 
-* fixed semantics of 'redhat_sockets_hack' configuration option
+* Fixed semantics of 'redhat_sockets_hack' configuration option.
 
 * The RPM macros file is installed automatically, it provides now
   %postgresql_major, %pgtests_init and %pgtests_start macros.
 
+* Fixed automatic detection of $PGMAJORVERSION.
+
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 New in 4.0 version:

configure.ac

@@ -98,7 +98,7 @@ if test -z "$PGVERSION" -a -z "$PGMAJORVERSION"; then
     PGVERSION=${raw_version##* }
     AC_MSG_RESULT($PGVERSION)
 
-    PGMAJORVERSION=`echo $PGVERSION | sed 's/\.[0-9]\+$//'`
+    PGMAJORVERSION=`echo $PGVERSION | sed 's/\.[[0-9]]\+$//'`
 fi
 
 AX_COMPARE_VERSION([9.4], [le], [$PGVERSION],