From 5c15cb4752303731abf54e2ed12cd741e90b5d5a Mon Sep 17 00:00:00 2001
From: Bruce Momjian <bruce@momjian.us>
Date: Mon, 4 Aug 2003 16:48:03 +0000
Subject: [PATCH] Fix thread handling in configure.

---
 configure                  | 34 ++++++++++++++++------------------
 configure.in               | 16 +++++++++-------
 src/include/pg_config.h.in |  4 ----
 3 files changed, 25 insertions(+), 29 deletions(-)

diff --git a/configure b/configure
index fe37ea220c..7f8038c323 100755
--- a/configure
+++ b/configure
@@ -844,6 +844,7 @@ Optional Features:
   --enable-debug          build with debugging symbols (-g)
   --enable-depend         turn on automatic dependency tracking
   --enable-cassert        enable assertion checks (for debugging)
+  --enable-thread-safety allow libpq and ecpg to be thread-safe
   --disable-largefile     omit support for large files
 
 Optional Packages:
@@ -854,7 +855,6 @@ Optional Packages:
   --with-libraries=DIRS   look for additional libraries in DIRS
   --with-libs=DIRS        alternative spelling of --with-libraries
   --with-pgport=PORTNUM   change default port number 5432
-  --enable-thread-safety allow libpq and ecpg to be thread-safe
   --with-tcl              build Tcl and Tk interfaces
   --without-tk            do not build Tk interfaces if Tcl is enabled
   --with-tclconfig=DIR    tclConfig.sh and tkConfig.sh are in DIR
@@ -2779,35 +2779,29 @@ echo "$as_me:$LINENO: checking allow thread-safe libpq and ecpg" >&5
 echo $ECHO_N "checking allow thread-safe libpq and ecpg... $ECHO_C" >&6
 
 
+# Check whether --enable-thread-safety or --disable-thread-safety was given.
+if test "${enable_thread_safety+set}" = set; then
+  enableval="$enable_thread_safety"
 
-# Check whether --with-threads or --without-threads was given.
-if test "${with_threads+set}" = set; then
-  withval="$with_threads"
-
-  case $withval in
+  case $enableval in
     yes)
-
-cat >>confdefs.h <<\_ACEOF
-#define USE_THREADS 1
-_ACEOF
-
+      :
       ;;
     no)
       :
       ;;
     *)
-      { { echo "$as_me:$LINENO: error: no argument expected for --with-threads option" >&5
-echo "$as_me: error: no argument expected for --with-threads option" >&2;}
+      { { echo "$as_me:$LINENO: error: no argument expected for --enable-thread-safety option" >&5
+echo "$as_me: error: no argument expected for --enable-thread-safety option" >&2;}
    { (exit 1); exit 1; }; }
       ;;
   esac
 
 else
-  with_threads=no
+  enable_thread_safety=no
 
 fi;
 
-
 echo "$as_me:$LINENO: result: $enable_thread_safety" >&5
 echo "${ECHO_T}$enable_thread_safety" >&6
 
@@ -13079,6 +13073,10 @@ functions, or libraries required for threading support.
 " >&2;}
    { (exit 1); exit 1; }; }
 fi
+else
+# do not use values from template file
+THREAD_CFLAGS=
+THREAD_LIBS=
 fi
 
 
@@ -13096,8 +13094,8 @@ fi
 #
 if test "$enable_thread_safety" = yes -a "$NEED_REENTRANT_FUNC_NAMES" = yes ; then
 _CFLAGS="$CFLAGS"
-_LIB="$LIBS"
-CFLAGS="$CFLAGS $TREAD_CFLAGS"
+_LIBS="$LIBS"
+CFLAGS="$CFLAGS $THREAD_CFLAGS"
 LIBS="$LIBS $THREAD_LIBS"
 
 
@@ -13178,7 +13176,7 @@ fi
 done
 
 CFLAGS="$_CFLAGS"
-LIB="$_LIBS"
+LIBS="$_LIBS"
 fi
 
 
diff --git a/configure.in b/configure.in
index 72eec1db38..1d4430d724 100644
--- a/configure.in
+++ b/configure.in
@@ -1,5 +1,5 @@
 dnl Process this file with autoconf to produce a configure script.
-dnl $Header: /cvsroot/pgsql/configure.in,v 1.274 2003/08/04 04:03:03 tgl Exp $
+dnl $Header: /cvsroot/pgsql/configure.in,v 1.275 2003/08/04 16:48:03 momjian Exp $
 dnl
 dnl Developers, please strive to achieve this order:
 dnl
@@ -314,9 +314,7 @@ IFS=$ac_save_IFS
 # Enable libpq to be thread-safety
 #
 AC_MSG_CHECKING([allow thread-safe libpq and ecpg])
-PGAC_ARG_BOOL(with, threads, no, [  --enable-thread-safety allow libpq and ecpg to be thread-safe],
-              [AC_DEFINE([USE_THREADS], 1, [Define to 1 to build libpq and ecpg to be thread-safe. (--enable-thread-safety)])])
-
+PGAC_ARG_BOOL(enable, thread-safety, no, [  --enable-thread-safety allow libpq and ecpg to be thread-safe])
 AC_MSG_RESULT([$enable_thread_safety])
 AC_SUBST(enable_thread_safety)
 
@@ -970,6 +968,10 @@ so it can be added to the next release.  Report all compile flags, link flags,
 functions, or libraries required for threading support.
 ])
 fi
+else
+# do not use values from template file
+THREAD_CFLAGS=
+THREAD_LIBS=
 fi
 AC_SUBST(THREAD_CFLAGS)
 AC_SUBST(THREAD_LIBS)
@@ -987,12 +989,12 @@ AC_SUBST(THREAD_LIBS)
 #
 if test "$enable_thread_safety" = yes -a "$NEED_REENTRANT_FUNC_NAMES" = yes ; then
 _CFLAGS="$CFLAGS"
-_LIB="$LIBS"
-CFLAGS="$CFLAGS $TREAD_CFLAGS"
+_LIBS="$LIBS"
+CFLAGS="$CFLAGS $THREAD_CFLAGS"
 LIBS="$LIBS $THREAD_LIBS"
 AC_CHECK_FUNCS([strerror_r getpwuid_r gethostbyname_r])
 CFLAGS="$_CFLAGS"
-LIB="$_LIBS"
+LIBS="$_LIBS"
 fi
 
 
diff --git a/src/include/pg_config.h.in b/src/include/pg_config.h.in
index e89cdb8730..2c2e2f4225 100644
--- a/src/include/pg_config.h.in
+++ b/src/include/pg_config.h.in
@@ -600,10 +600,6 @@
 /* Define to select SysV-style shared memory. */
 #undef USE_SYSV_SHARED_MEMORY
 
-/* Define to 1 to build libpq and ecpg to be thread-safe.
-   (--enable-thread-safety) */
-#undef USE_THREADS
-
 /* Define to select unnamed POSIX semaphores. */
 #undef USE_UNNAMED_POSIX_SEMAPHORES
 
-- 
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