Imported from /home/lorry/working-area/delta_berkeleydb/db-6.1.23.tar.gz.HEADdb-6.1.23master

7 files changed, 126 insertions, 65 deletions

diff --git a/dist/aclocal/clock.m4 b/dist/aclocal/clock.m4
index a978ffa5..a0c09112 100644
--- a/dist/aclocal/clock.m4
+++ b/dist/aclocal/clock.m4
@@ -3,7 +3,7 @@
 # Configure clocks and timers.
 AC_DEFUN(AC_TIMERS, [
 
-AC_CHECK_FUNCS(gettimeofday localtime time strftime)
+AC_CHECK_FUNCS(gettimeofday localtime localtime_r time strftime)
 
 # AIX 4.3 will link applications with calls to clock_gettime, but the
 # calls always fail.
@@ -20,12 +20,14 @@ esac
 #	existence to mean the clock really exists.
 AC_CACHE_CHECK([for clock_gettime monotonic clock], db_cv_clock_monotonic, [
 AC_TRY_RUN([
+#include <time.h>
 #include <sys/time.h>
-main() {
+int main() {
 	struct timespec t;
 	return (clock_gettime(CLOCK_MONOTONIC, &t) != 0);
 }], db_cv_clock_monotonic=yes, db_cv_clock_monotonic=no,
 AC_TRY_LINK([
+#include <time.h>
 #include <sys/time.h>], [
 struct timespec t;
 clock_gettime(CLOCK_MONOTONIC, &t);
diff --git a/dist/aclocal/mmap.m4 b/dist/aclocal/mmap.m4
index 727c6c35..cb20228c 100644
--- a/dist/aclocal/mmap.m4
+++ b/dist/aclocal/mmap.m4
@@ -1,4 +1,4 @@
-# Copyright (c) 2011, 2012 Oracle and/or its affiliates.  All rights reserved.
+# Copyright (c) 2011, 2015 Oracle and/or its affiliates.  All rights reserved.
 
 # Detect mmap capability: If the file underlying an mmap is extended,
 # does the addressable memory grow too?
@@ -28,8 +28,10 @@ if test "$mmap_ok" = "yes" ; then
     /* Not all these includes are needed, but the minimal set varies from
      * system to system.
      */
+    #include <stdlib.h>
     #include <stdio.h>
     #include <string.h>
+    #include <unistd.h>
     #include <sys/types.h>
     #include <sys/stat.h>
     #include <fcntl.h>
@@ -41,18 +43,25 @@ if test "$mmap_ok" = "yes" ; then
     #ifndef MAP_FAILED
     #define MAP_FAILED (-1)
     #endif
+    /* Prevent unused variabl warnings by setting and using it. */
+    #define	COMPQUIET(n, v)	do {	\
+	    (n) = (v);			\
+	    (n) = (n);			\
+    } while (0)
 
-    int catch_sig(sig)
+
+    void catch_sig(sig)
 	    int sig;
     {
+	    COMPQUIET(sig,0);
 	    exit(1);
     }
 
-    main() {
+    int main() {
 	    const char *underlying;
 	    unsigned gapsize;
 	    char *base;
-	    int count, fd, i, mode, open_flags, ret, total_size;
+	    int count, fd, i, mode, open_flags, total_size;
 	    char buf[TEST_MMAP_BUFSIZE];
 
 	    gapsize = 1024;
diff --git a/dist/aclocal/mutex.m4 b/dist/aclocal/mutex.m4
index 81f1ea8d..9e02c4af 100644
--- a/dist/aclocal/mutex.m4
+++ b/dist/aclocal/mutex.m4
@@ -5,12 +5,12 @@ AC_DEFUN(AM_PTHREADS_SHARED, [
 AC_TRY_RUN([
 #include <stdlib.h>
 #include <pthread.h>
-main() {
+int main() {
 	pthread_cond_t cond;
 	pthread_mutex_t mutex;
 	pthread_condattr_t condattr;
 	pthread_mutexattr_t mutexattr;
-	exit (
+	return (
 	pthread_condattr_init(&condattr) ||
 	pthread_condattr_setpshared(&condattr, PTHREAD_PROCESS_SHARED) ||
 	pthread_mutexattr_init(&mutexattr) ||
@@ -31,7 +31,7 @@ AC_TRY_LINK([
 	pthread_mutex_t mutex;
 	pthread_condattr_t condattr;
 	pthread_mutexattr_t mutexattr;
-	exit (
+	return (
 	pthread_condattr_init(&condattr) ||
 	pthread_condattr_setpshared(&condattr, PTHREAD_PROCESS_SHARED) ||
 	pthread_mutexattr_init(&mutexattr) ||
@@ -49,12 +49,12 @@ AC_DEFUN(AM_PTHREADS_PRIVATE, [
 AC_TRY_RUN([
 #include <stdlib.h>
 #include <pthread.h>
-main() {
+int main() {
 	pthread_cond_t cond;
 	pthread_mutex_t mutex;
 	pthread_condattr_t condattr;
 	pthread_mutexattr_t mutexattr;
-	exit (
+	return (
 	pthread_condattr_init(&condattr) ||
 	pthread_mutexattr_init(&mutexattr) ||
 	pthread_cond_init(&cond, &condattr) ||
@@ -73,7 +73,7 @@ AC_TRY_LINK([
 	pthread_mutex_t mutex;
 	pthread_condattr_t condattr;
 	pthread_mutexattr_t mutexattr;
-	exit (
+	return (
 	pthread_condattr_init(&condattr) ||
 	pthread_mutexattr_init(&mutexattr) ||
 	pthread_cond_init(&cond, &condattr) ||
@@ -89,10 +89,10 @@ AC_DEFUN(AM_PTHREADS_CONDVAR_DUPINITCHK, [
 AC_TRY_RUN([
 #include <stdlib.h>
 #include <pthread.h>
-main() {
+int main() {
 	pthread_cond_t cond;
 	pthread_condattr_t condattr;
-	exit(pthread_condattr_init(&condattr) ||
+	return (pthread_condattr_init(&condattr) ||
 	pthread_cond_init(&cond, &condattr) ||
 	pthread_cond_init(&cond, &condattr));
 }], [db_cv_pthread_condinit_dupgood="yes"], 
@@ -102,7 +102,7 @@ AC_TRY_LINK([
 #include <pthread.h>], [
 	pthread_cond_t cond;
 	pthread_condattr_t condattr;
-	exit(pthread_condattr_init(&condattr) ||
+	return (pthread_condattr_init(&condattr) ||
 	pthread_cond_init(&cond, &condattr));
 ], [db_cv_pthread_condinit_dupgood="yes"], 
 [db_cv_pthread_condinit_dupgood="no"]))])
@@ -110,10 +110,10 @@ AC_DEFUN(AM_PTHREADS_RWLOCKVAR_DUPINITCHK, [
 AC_TRY_RUN([
 #include <stdlib.h>
 #include <pthread.h>
-main() {
+int main() {
 	pthread_rwlock_t rwlock;
 	pthread_rwlockattr_t rwlockattr;
-	exit(pthread_rwlockattr_init(&rwlockattr) ||
+	return (pthread_rwlockattr_init(&rwlockattr) ||
 	pthread_rwlock_init(&rwlock, &rwlockattr) ||
 	pthread_rwlock_init(&rwlock, &rwlockattr));
 }], [db_cv_pthread_rwlockinit_dupgood="yes"], 
@@ -123,7 +123,7 @@ AC_TRY_LINK([
 #include <pthread.h>], [
 	pthread_rwlock_t rwlock;
 	pthread_rwlockattr_t rwlockattr;
-	exit(pthread_rwlockattr_init(&rwlockattr) ||
+	exit (pthread_rwlockattr_init(&rwlockattr) ||
 	pthread_rwlock_init(&rwlock, &rwlockattr));
 ], [db_cv_pthread_rwlockinit_dupgood="yes"], 
 [db_cv_pthread_rwlockinit_dupgood="no"]))])
@@ -282,7 +282,7 @@ if test "$db_cv_mutex" = no; then
 	# x86/gcc: FreeBSD, NetBSD, BSD/OS, Linux
 	AC_TRY_COMPILE(,[
 	#if (defined(i386) || defined(__i386__)) && defined(__GNUC__)
-		exit(0);
+		return (0);
 	#else
 		FAIL TO COMPILE/LINK
 	#endif
@@ -291,7 +291,7 @@ if test "$db_cv_mutex" = no; then
 	# x86_64/gcc: FreeBSD, NetBSD, BSD/OS, Linux
 	AC_TRY_COMPILE(,[
 	#if (defined(x86_64) || defined(__x86_64__)) && defined(__GNUC__)
-		exit(0);
+		return (0);
 	#else
 		FAIL TO COMPILE/LINK
 	#endif
@@ -314,7 +314,7 @@ if test "$db_cv_mutex" = no; then
 	AC_TRY_COMPILE(,[
 	#if defined(__sparc__) && defined(__GNUC__)
 		asm volatile ("membar #StoreStore|#StoreLoad|#LoadStore");
-		exit(0);
+		return (0);
 	#else
 		FAIL TO COMPILE/LINK
 	#endif
@@ -356,7 +356,7 @@ AC_TRY_LINK([
 	msem_init(&x, 0);
 	msem_lock(&x, 0);
 	msem_unlock(&x, 0);
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -373,7 +373,7 @@ AC_TRY_LINK([
 	msem_init(&x, 0);
 	msem_lock(&x, 0);
 	msem_unlock(&x, 0);
-	exit(0);
+	return (0);
 ], [db_cv_mutex=UNIX/msem_init])
 fi
 
@@ -395,7 +395,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if defined(__USLC__)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -452,7 +452,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if defined(__alpha) && defined(__DECC)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -463,7 +463,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if defined(__alpha) && defined(__GNUC__)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -474,7 +474,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if defined(__arm__) && defined(__GNUC__)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -485,7 +485,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if (defined(__mips) || defined(__mips__)) && defined(__GNUC__)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -496,7 +496,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if (defined(__hppa) || defined(__hppa__)) && defined(__GNUC__)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -507,7 +507,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if (defined(__powerpc__) || defined(__ppc__)) && defined(__GNUC__)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -518,7 +518,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if (defined(mc68020) || defined(sun3)) && defined(__GNUC__)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -529,7 +529,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if defined(__MVS__) && defined(__IBMC__)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -540,7 +540,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if defined(__s390__) && defined(__GNUC__)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -551,7 +551,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if defined(__ia64) && defined(__GNUC__)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -562,7 +562,7 @@ fi
 if test "$db_cv_mutex" = no; then
 AC_TRY_COMPILE(,[
 #if defined(_UTS)
-	exit(0);
+	return (0);
 #else
 	FAIL TO COMPILE/LINK
 #endif
@@ -910,9 +910,9 @@ fi
 if test "$db_cv_atomic" = no; then
 	AC_TRY_COMPILE(,[
 	#if ((defined(i386) || defined(__i386__)) && defined(__GNUC__))
-		exit(0);
+		return (0);
 	#elif ((defined(x86_64) || defined(__x86_64__)) && defined(__GNUC__))
-		exit(0);
+		return (0);
 	#else
 		FAIL TO COMPILE/LINK
 	#endif
diff --git a/dist/aclocal/options.m4 b/dist/aclocal/options.m4
index c007fba6..9bf6d339 100644
--- a/dist/aclocal/options.m4
+++ b/dist/aclocal/options.m4
@@ -175,6 +175,13 @@ AC_ARG_ENABLE(debug_wop,
 	[db_cv_debug_wop="$enable_debug_wop"], [db_cv_debug_wop="no"])
 AC_MSG_RESULT($db_cv_debug_wop)
 
+AC_MSG_CHECKING(if --enable-error_history option specified)
+AC_ARG_ENABLE(error_history,
+	[AC_HELP_STRING([--enable-error_history],
+			[Build a version that records extra information about errors])],
+	[db_cv_error_history="$enable_error_history"], [db_cv_error_history="no"])
+AC_MSG_RESULT($db_cv_error_history)
+
 AC_MSG_CHECKING(if --enable-diagnostic option specified)
 AC_ARG_ENABLE(diagnostic,
 	[AC_HELP_STRING([--enable-diagnostic],
@@ -354,6 +361,21 @@ AC_ARG_ENABLE(perfmon_statistics,
 	[db_cv_perfmon_statistics="$enable_perfmon_statistics"], [db_cv_perfmon_statistics="no"])
 AC_MSG_RESULT($db_cv_perfmon_statistics)
 
+# Application which use failchk can choose to inform all threads waiting on
+# mutexes to be notified as soon as possible after a crash thread is detected.
+AC_MSG_CHECKING(if --enable-failchk_broadcast option specified)
+AC_ARG_ENABLE(failchk_broadcast,
+	[AC_HELP_STRING([--enable-failchk_broadcast],
+			[Add support for immediately broadcasting failchk events to all waiting threads])],
+	[db_cv_failchk_broadcast="$enable_failchk_broadcast"], [db_cv_failchk_broadcast="no"])
+AC_MSG_RESULT($db_cv_failchk_broadcast)
+if test "$db_cv_failchk_broadcast" = "yes"; then
+	AC_DEFINE(HAVE_FAILCHK_BROADCAST)
+	AH_TEMPLATE(HAVE_FAILCHK_BROADCAST,
+    [Define to 1 for failchk to inform all waiting threads about crashes.])
+	ADDITIONAL_PROGS="$ADDITIONAL_PROGS test_failchk"
+fi
+
 AC_MSG_CHECKING(if --enable-uimutexes option specified)
 AC_ARG_ENABLE(uimutexes,
 	[AC_HELP_STRING([--enable-uimutexes],
@@ -388,30 +410,6 @@ if test "$db_cv_atomicfileread" = "yes"; then
     [Define to 1 if platform reads and writes files atomically.])
 fi
 
-# Cryptography support.
-# Until Berkeley DB 5.0, this was a simple yes/no decision.
-# With the addition of support for Intel Integrated Performance Primitives (ipp)
-# things are more complex.  There are now three options:
-#   1) don't build cryptography (no)
-#   2) build using the built-in software implementation (yes)
-#   3) build using the Intel IPP implementation (ipp)
-# We handle this by making the primary configuration method:
-#   --with-cryptography={yes|no|ipp}
-# which defaults to yes.  The old enable/disable-cryptography argument is still
-# supported for backwards compatibility.
-AC_MSG_CHECKING(if --with-cryptography option specified)
-AC_ARG_ENABLE(cryptography, [], [], enableval=$db_cv_build_full)
-enable_cryptography="$enableval"
-AC_ARG_WITH([cryptography],
-	AC_HELP_STRING([--with-cryptography=yes|no|ipp], [Build database cryptography support @<:@default=yes@:>@.]),
-	[], [with_cryptography=$enable_cryptography])
-case "$with_cryptography" in
-yes|no|ipp) ;;
-*) AC_MSG_ERROR([unknown --with-cryptography argument \'$with_cryptography\']) ;;
-esac
-db_cv_build_cryptography="$with_cryptography"
-AC_MSG_RESULT($db_cv_build_cryptography)
-
 AC_MSG_CHECKING(if --with-mutex=MUTEX option specified)
 AC_ARG_WITH(mutex,
 	[AC_HELP_STRING([--with-mutex=MUTEX],
@@ -480,6 +478,40 @@ if test "$db_cv_jdbc" = "yes" -a "$db_cv_sql" = "no"; then
 	db_cv_sql=$db_cv_jdbc
 fi
 
+# Cryptography support.
+# Until Berkeley DB 5.0, this was a simple yes/no decision.
+# With the addition of support for Intel Integrated Performance Primitives (ipp)
+# things are more complex.  There are now three options:
+#   1) don't build cryptography (no)
+#   2) build using the built-in software implementation (yes)
+#   3) build using the Intel IPP implementation (ipp)
+# We handle this by making the primary configuration method:
+#   --with-cryptography={yes|no|ipp}
+# which defaults to yes, unless building the SQL library(--enable-sql).
+# The old enable/disable-cryptography argument is still
+# supported for backwards compatibility.
+AC_MSG_CHECKING(if --with-cryptography option specified)
+build_cryptography="$db_cv_build_full";
+if test "$db_cv_sql" = "yes" -a "$build_cryptography" = "yes"; then
+	build_cryptography="no";
+fi
+AC_ARG_ENABLE(cryptography, [], [], [enableval=$build_cryptography])
+enable_cryptography="$enableval"
+AC_ARG_WITH([cryptography],
+	AC_HELP_STRING([--with-cryptography=yes|no|ipp], [Build database cryptography support. The default value is "yes", unless building the SQL library.]),
+	[], [with_cryptography=$enable_cryptography])
+case "$with_cryptography" in
+yes|no|ipp) ;;
+*) AC_MSG_ERROR([unknown --with-cryptography argument \'$with_cryptography\']) ;;
+esac
+db_cv_build_cryptography="$with_cryptography"
+if test -d "$topdir/src/crypto" ; then
+	AC_MSG_RESULT($db_cv_build_cryptography)
+else
+	db_cv_build_cryptography="no"
+	AC_MSG_WARN(Ignoring --with-cryptography flag value. The NC package builds a Berkeley DB library that does not support encryption.)
+fi
+
 # Testing requires Tcl.
 if test "$db_cv_test" = "yes" -a "$db_cv_tcl" = "no"; then
 	AC_MSG_ERROR([--enable-test requires --enable-tcl])
diff --git a/dist/aclocal/sequence.m4 b/dist/aclocal/sequence.m4
index 6e99b936..fffdcc44 100644
--- a/dist/aclocal/sequence.m4
+++ b/dist/aclocal/sequence.m4
@@ -43,7 +43,9 @@ AC_DEFUN(AM_SEQUENCE_CONFIGURE, [
 	# test, which won't test for the appropriate printf format strings.
 	if test "$db_cv_build_sequence" = "yes"; then
 		AC_TRY_RUN([
-		main() {
+		#include <stdio.h>
+		#include <string.h>
+		int main() {
 			$db_cv_seq_type l;
 			unsigned $db_cv_seq_type u;
 			char buf@<:@100@:>@;
@@ -59,7 +61,9 @@ AC_DEFUN(AM_SEQUENCE_CONFIGURE, [
 				return (1);
 			return (0);
 		}],, [db_cv_build_sequence="no"],
-		AC_TRY_LINK(,[
+		AC_TRY_LINK([
+		#include <stdio.h>
+		#include <string.h>],[
 			$db_cv_seq_type l;
 			unsigned $db_cv_seq_type u;
 			char buf@<:@100@:>@;
diff --git a/dist/aclocal/sql.m4 b/dist/aclocal/sql.m4
index c43edb8d..7b27bf8b 100644
--- a/dist/aclocal/sql.m4
+++ b/dist/aclocal/sql.m4
@@ -91,7 +91,12 @@ esac
 # !!! END COPIED from autoconf distribution
 
 sqlite_dir=$srcdir/../lang/sql/sqlite
-(cd sql && eval "\$SHELL ../$sqlite_dir/configure --disable-option-checking $ac_sub_configure_args CPPFLAGS=\"-I.. $CPPFLAGS\" --enable-amalgamation=$db_cv_sql_amalgamation --enable-readline=$with_readline" && cat build_config.h >> config.h) || exit 1
+orig_CPPFLAGS="$CPPFLAGS"
+jdbc_variables=""
+if test "$db_cv_build_cryptography" = "yes"; then
+	CPPFLAGS="$CPPFLAGS -DSQLITE_HAS_CODEC=1"
+fi
+(cd sql && eval "\$SHELL ../$sqlite_dir/configure --disable-option-checking $ac_sub_configure_args CPPFLAGS=\"-I.. $CPPFLAGS\" --enable-amalgamation=$db_cv_sql_amalgamation --enable-readline=$with_readline " && cat build_config.h >> config.h) || exit 1
 
 # Configure JDBC if --enable-jdbc
 if test "$db_cv_jdbc" != "no"; then
@@ -121,7 +126,6 @@ if test "$db_cv_jdbc" != "no"; then
   test "$prefix" != "" && jdbc_args="--prefix=$prefix --with-jardir=$prefix/jar"
   test "$enable_shared" != "" && jdbc_args="$jdbc_args --enable-shared=$enable_shared"
   test "$enable_static" != "" && jdbc_args="$jdbc_args --enable-static=$enable_static"
-  test "$cross_compiling" = "yes" && jdbc_args="$jdbc_args --build=$build --host=$host "
 
   # 1. The build directory is build_unix/jdbc, so the include paths are relative
   #    to that.
@@ -132,6 +136,7 @@ if test "$db_cv_jdbc" != "no"; then
     $CFLAGS $CPPFLAGS\""
   # Set LDFLAGS for JDBC driver
   test "$LDFLAGS" != "" && jdbc_flags="$jdbc_flags LDFLAGS=\"$LDFLAGS\""
+  test "$db_cv_build_cryptography" = "yes" && jdbc_flags="$jdbc_flags HAVE_SQLITE3_KEY=1"
 
   # Copy ../lang/sql/jdbc to build_unix/
   test ! -d jdbc && cp -r $jdbc_dir .
@@ -146,4 +151,6 @@ if test "$db_cv_jdbc" != "no"; then
   sed "s/@BDB_LIB@/$BDB_LIB/g" Makefile.in.tmp > Makefile.in
   eval "\$SHELL ./configure --with-sqlite3=../../lang/sql/generated $jdbc_args $jdbc_flags"
 fi
+
+CPPFLAGS="$orig_CPPFLAGS"
 ])
diff --git a/dist/aclocal/types.m4 b/dist/aclocal/types.m4
index c3a2b78d..af7b5354 100644
--- a/dist/aclocal/types.m4
+++ b/dist/aclocal/types.m4
@@ -180,6 +180,13 @@ AC_SUBST(FILE_t_decl)
 AC_CHECK_TYPE(FILE *,, AC_MSG_ERROR([No FILE type.]), $db_includes)
 AC_SUBST(off_t_decl)
 AC_CHECK_TYPE(off_t,, AC_MSG_ERROR([No off_t type.]), $db_includes)
+AC_CHECK_SIZEOF(off_t,, $db_includes)
+
+# db_off_t should be set to a signed integer type that is the same
+# size as off_t
+AC_SUBST(db_off_t_decl)
+AC_CHECK_TYPE(db_off_t,,
+    [AM_SEARCH_SSIZES(db_off_t_decl, db_off_t, $ac_cv_sizeof_off_t)])
 AC_SUBST(pid_t_decl)
 AC_CHECK_TYPE(pid_t,, AC_MSG_ERROR([No pid_t type.]), $db_includes)
 AC_SUBST(size_t_decl)