diff --git a/configure b/configure
index 27dd34841a..96ee289d05 100755
--- a/configure
+++ b/configure
@@ -13465,9 +13465,6 @@ ac_compiler_gnu=$ac_cv_c_compiler_gnu
 
 	# set thread flags
 
-# ACX_PTHREAD sets PTHREAD_CFLAGS that should be used for linking too
-PTHREAD_LIBS="$PTHREAD_CFLAGS $PTHREAD_LIBS"
-
 # At this point, we don't want to muck with the compiler name for threading.
 # Let's see who fails, perhaps AIX.  2004-04-23
 if test "$PTHREAD_CC" != "$CC"; then
diff --git a/configure.in b/configure.in
index ced20fc610..e09e80b4ee 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-dnl $PostgreSQL: pgsql/configure.in,v 1.326 2004/04/24 03:09:35 momjian Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.327 2004/04/25 20:57:32 momjian Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -959,9 +959,6 @@ AC_FUNC_FSEEKO
 if test "$enable_thread_safety" = yes; then
 ACX_PTHREAD	# set thread flags
 
-# ACX_PTHREAD sets PTHREAD_CFLAGS that should be used for linking too
-PTHREAD_LIBS="$PTHREAD_CFLAGS $PTHREAD_LIBS"
-
 # At this point, we don't want to muck with the compiler name for threading.
 # Let's see who fails, perhaps AIX.  2004-04-23
 if test "$PTHREAD_CC" != "$CC"; then
diff --git a/src/interfaces/ecpg/compatlib/Makefile b/src/interfaces/ecpg/compatlib/Makefile
index 253b2970f4..18ab49d259 100644
--- a/src/interfaces/ecpg/compatlib/Makefile
+++ b/src/interfaces/ecpg/compatlib/Makefile
@@ -4,7 +4,7 @@
 #
 # Copyright (c) 1994, Regents of the University of California
 #
-# $PostgreSQL: pgsql/src/interfaces/ecpg/compatlib/Makefile,v 1.15 2004/04/23 18:15:54 momjian Exp $
+# $PostgreSQL: pgsql/src/interfaces/ecpg/compatlib/Makefile,v 1.16 2004/04/25 20:57:32 momjian Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -16,7 +16,8 @@ NAME= ecpg_compat
 SO_MAJOR_VERSION= 1
 SO_MINOR_VERSION= 1
 
-override CPPFLAGS := -I$(top_srcdir)/src/interfaces/ecpg/include -I$(libpq_srcdir) -I$(top_srcdir)/src/include/utils $(CPPFLAGS) $(PTHREAD_CFLAGS)
+override CPPFLAGS := -I$(top_srcdir)/src/interfaces/ecpg/include -I$(libpq_srcdir) -I$(top_srcdir)/src/include/utils $(CPPFLAGS)
+override CFLAGS += $(PTHREAD_CFLAGS)
 SHLIB_LINK = -L../ecpglib -lecpg -L../pgtypeslib -lpgtypes $(libpq) \
 	$(filter -lintl -lssl -lcrypto -lkrb5 -lcrypt -lm, $(LIBS)) $(PTHREAD_LIBS)
 
diff --git a/src/interfaces/ecpg/ecpglib/Makefile b/src/interfaces/ecpg/ecpglib/Makefile
index 5fa654d8fe..4596158db9 100644
--- a/src/interfaces/ecpg/ecpglib/Makefile
+++ b/src/interfaces/ecpg/ecpglib/Makefile
@@ -4,7 +4,7 @@
 #
 # Copyright (c) 1994, Regents of the University of California
 #
-# $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/Makefile,v 1.15 2004/04/23 18:15:54 momjian Exp $
+# $PostgreSQL: pgsql/src/interfaces/ecpg/ecpglib/Makefile,v 1.16 2004/04/25 20:57:32 momjian Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -16,7 +16,8 @@ NAME= ecpg
 SO_MAJOR_VERSION= 4
 SO_MINOR_VERSION= 2
 
-override CPPFLAGS := -I$(top_srcdir)/src/interfaces/ecpg/include -I$(libpq_srcdir) $(CPPFLAGS) $(PTHREAD_CFLAGS) 
+override CPPFLAGS := -I$(top_srcdir)/src/interfaces/ecpg/include -I$(libpq_srcdir) $(CPPFLAGS)
+override CFLAGS += $(PTHREAD_CFLAGS)
 
 OBJS= execute.o typename.o descriptor.o data.o error.o prepare.o memory.o \
 	connect.o misc.o
diff --git a/src/interfaces/ecpg/preproc/Makefile b/src/interfaces/ecpg/preproc/Makefile
index 52fa7f79a6..7ef3a0ed33 100644
--- a/src/interfaces/ecpg/preproc/Makefile
+++ b/src/interfaces/ecpg/preproc/Makefile
@@ -1,4 +1,4 @@
-# $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/Makefile,v 1.100 2004/04/23 18:15:55 momjian Exp $
+# $PostgreSQL: pgsql/src/interfaces/ecpg/preproc/Makefile,v 1.101 2004/04/25 20:57:32 momjian Exp $
 
 subdir = src/interfaces/ecpg/preproc
 top_builddir = ../../../..
@@ -8,7 +8,7 @@ MAJOR_VERSION=3
 MINOR_VERSION=2
 PATCHLEVEL=0
 
-override CPPFLAGS := -I$(srcdir)/../include -I$(srcdir) $(CPPFLAGS) $(PTHREAD_CFLAGS) \
+override CPPFLAGS := -I$(srcdir)/../include -I$(srcdir) $(CPPFLAGS) \
 	-DMAJOR_VERSION=$(MAJOR_VERSION) \
 	-DMINOR_VERSION=$(MINOR_VERSION) -DPATCHLEVEL=$(PATCHLEVEL) \
 	-DINCLUDEDIR=\"$(includedir)\" \
@@ -17,6 +17,7 @@ override CPPFLAGS := -I$(srcdir)/../include -I$(srcdir) $(CPPFLAGS) $(PTHREAD_CF
 ifeq ($(GCC), yes)
 override CFLAGS += -Wno-error
 endif
+override CFLAGS += $(PTHREAD_CFLAGS)
 
 OBJS=preproc.o type.o ecpg.o ecpg_keywords.o output.o\
     keywords.o c_keywords.o ../ecpglib/typename.o descriptor.o variable.o
diff --git a/src/interfaces/ecpg/test/Makefile b/src/interfaces/ecpg/test/Makefile
index c1afd84af8..92a3eb7e88 100644
--- a/src/interfaces/ecpg/test/Makefile
+++ b/src/interfaces/ecpg/test/Makefile
@@ -1,10 +1,11 @@
-# $PostgreSQL: pgsql/src/interfaces/ecpg/test/Makefile,v 1.45 2004/04/23 18:15:55 momjian Exp $
+# $PostgreSQL: pgsql/src/interfaces/ecpg/test/Makefile,v 1.46 2004/04/25 20:57:32 momjian Exp $
 
 subdir = src/interfaces/ecpg/test
 top_builddir = ../../../..
 include $(top_builddir)/src/Makefile.global
 
-override CPPFLAGS := -I$(srcdir)/../include -I$(libpq_srcdir) $(CPPFLAGS) $(PTHREAD_CFLAGS)
+override CPPFLAGS := -I$(srcdir)/../include -I$(libpq_srcdir) $(CPPFLAGS)
+override CFLAGS += $(PTHREAD_CFLAGS)
 
 ECPG = ../preproc/ecpg -I$(srcdir)/../include
 
diff --git a/src/interfaces/libpq/Makefile b/src/interfaces/libpq/Makefile
index 0221bf9285..2c8a4fcf71 100644
--- a/src/interfaces/libpq/Makefile
+++ b/src/interfaces/libpq/Makefile
@@ -4,7 +4,7 @@
 #
 # Copyright (c) 1994, Regents of the University of California
 #
-# $PostgreSQL: pgsql/src/interfaces/libpq/Makefile,v 1.102 2004/04/23 18:15:55 momjian Exp $
+# $PostgreSQL: pgsql/src/interfaces/libpq/Makefile,v 1.103 2004/04/25 20:57:32 momjian Exp $
 #
 #-------------------------------------------------------------------------
 
@@ -19,6 +19,7 @@ SO_MAJOR_VERSION= 3
 SO_MINOR_VERSION= 2
 
 override CPPFLAGS := -I$(srcdir) $(CPPFLAGS) $(PTHREAD_CFLAGS) -DFRONTEND -DSYSCONFDIR='"$(sysconfdir)"'
+override CFLAGS += $(PTHREAD_CFLAGS)
 
 OBJS= fe-auth.o fe-connect.o fe-exec.o fe-misc.o fe-print.o fe-lobj.o \
       fe-protocol2.o fe-protocol3.o pqexpbuffer.o pqsignal.o fe-secure.o \