Properly set NEED_REENTRANT_FUNCS for threaded libpq/ecpg.

Without this patch, no thread locking or *_r functions were being used.

configure

@@ -13243,6 +13243,11 @@ fi
 # functions are marked "not found", which is perfect.
 #
 if test "$enable_thread_safety" = yes -a "$NEED_REENTRANT_FUNCS" = yes ; then
+
+cat >>confdefs.h <<\_ACEOF
+#define NEED_REENTRANT_FUNCS 1
+_ACEOF
+
 _CFLAGS="$CFLAGS"
 _LIBS="$LIBS"
 CFLAGS="$CFLAGS $THREAD_CPPFLAGS"

configure.in

 dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.314 2004/02/10 19:55:45 tgl Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.315 2004/02/11 17:29:01 momjian Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -1003,6 +1003,7 @@ AC_SUBST(THREAD_LIBS)
 # functions are marked "not found", which is perfect.
 #
 if test "$enable_thread_safety" = yes -a "$NEED_REENTRANT_FUNCS" = yes ; then
+AC_DEFINE(NEED_REENTRANT_FUNCS, 1, [Define if non *_r libc functions are not thread safe])
 _CFLAGS="$CFLAGS"
 _LIBS="$LIBS"
 CFLAGS="$CFLAGS $THREAD_CPPFLAGS"

src/include/pg_config.h.in

@@ -554,6 +554,9 @@
 /* Define as the maximum alignment requirement of any C data type. */
 #undef MAXIMUM_ALIGNOF
 
+/* Define if non *_r libc functions are not thread safe */
+#undef NEED_REENTRANT_FUNCS
+
 /* Define to the address where bug reports for this package should be sent. */
 #undef PACKAGE_BUGREPORT