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Postgres FD Implementation
Commit 1e117923 authored by Tom Lane's avatar Tom Lane
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Revise memutils.h to use alignment information gathered by 

configure, instead of having a bunch of crufty platform-specific guesses.
parent 235a569a
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Showing with 371 additions and 97 deletions
src/configure
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...@@ -5496,10 +5496,237 @@ EOF ...@@ -5496,10 +5496,237 @@ EOF
echo $ac_n "checking alignment of short""... $ac_c" 1>&6
echo "configure:5504: checking alignment of short" >&5
if eval "test \"`echo '$''{'ac_cv_alignof_short'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "$cross_compiling" = yes; then
ac_cv_alignof_short='sizeof(short)'
else
cat > conftest.$ac_ext <<EOF
#line 5512 "configure"
#include "confdefs.h"
#include <stdio.h>
struct { char filler; short field; } mystruct;
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", ((char*) & mystruct.field) - ((char*) & mystruct));
exit(0);
}
EOF
if { (eval echo configure:5524: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
ac_cv_alignof_short=`cat conftestval`
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -fr conftest*
ac_cv_alignof_short='sizeof(short)'
fi
rm -fr conftest*
fi
fi
echo "$ac_t""$ac_cv_alignof_short" 1>&6
cat >> confdefs.h <<EOF
#define ALIGNOF_SHORT $ac_cv_alignof_short
EOF
echo $ac_n "checking alignment of int""... $ac_c" 1>&6
echo "configure:5544: checking alignment of int" >&5
if eval "test \"`echo '$''{'ac_cv_alignof_int'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "$cross_compiling" = yes; then
ac_cv_alignof_int='sizeof(int)'
else
cat > conftest.$ac_ext <<EOF
#line 5552 "configure"
#include "confdefs.h"
#include <stdio.h>
struct { char filler; int field; } mystruct;
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", ((char*) & mystruct.field) - ((char*) & mystruct));
exit(0);
}
EOF
if { (eval echo configure:5564: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
ac_cv_alignof_int=`cat conftestval`
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -fr conftest*
ac_cv_alignof_int='sizeof(int)'
fi
rm -fr conftest*
fi
fi
echo "$ac_t""$ac_cv_alignof_int" 1>&6
cat >> confdefs.h <<EOF
#define ALIGNOF_INT $ac_cv_alignof_int
EOF
echo $ac_n "checking alignment of long""... $ac_c" 1>&6
echo "configure:5584: checking alignment of long" >&5
if eval "test \"`echo '$''{'ac_cv_alignof_long'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "$cross_compiling" = yes; then
ac_cv_alignof_long='sizeof(long)'
else
cat > conftest.$ac_ext <<EOF
#line 5592 "configure"
#include "confdefs.h"
#include <stdio.h>
struct { char filler; long field; } mystruct;
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", ((char*) & mystruct.field) - ((char*) & mystruct));
exit(0);
}
EOF
if { (eval echo configure:5604: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
ac_cv_alignof_long=`cat conftestval`
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -fr conftest*
ac_cv_alignof_long='sizeof(long)'
fi
rm -fr conftest*
fi
fi
echo "$ac_t""$ac_cv_alignof_long" 1>&6
cat >> confdefs.h <<EOF
#define ALIGNOF_LONG $ac_cv_alignof_long
EOF
if [ $HAVE_LONG_LONG_INT_64 -eq 1 ] ; then
echo $ac_n "checking alignment of long long int""... $ac_c" 1>&6
echo "configure:5625: checking alignment of long long int" >&5
if eval "test \"`echo '$''{'ac_cv_alignof_long_long_int'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "$cross_compiling" = yes; then
ac_cv_alignof_long_long_int='sizeof(long long int)'
else
cat > conftest.$ac_ext <<EOF
#line 5633 "configure"
#include "confdefs.h"
#include <stdio.h>
struct { char filler; long long int field; } mystruct;
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", ((char*) & mystruct.field) - ((char*) & mystruct));
exit(0);
}
EOF
if { (eval echo configure:5645: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
ac_cv_alignof_long_long_int=`cat conftestval`
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -fr conftest*
ac_cv_alignof_long_long_int='sizeof(long long int)'
fi
rm -fr conftest*
fi
fi
echo "$ac_t""$ac_cv_alignof_long_long_int" 1>&6
cat >> confdefs.h <<EOF
#define ALIGNOF_LONG_LONG_INT $ac_cv_alignof_long_long_int
EOF
fi
echo $ac_n "checking alignment of double""... $ac_c" 1>&6
echo "configure:5666: checking alignment of double" >&5
if eval "test \"`echo '$''{'ac_cv_alignof_double'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "$cross_compiling" = yes; then
ac_cv_alignof_double='sizeof(double)'
else
cat > conftest.$ac_ext <<EOF
#line 5674 "configure"
#include "confdefs.h"
#include <stdio.h>
struct { char filler; double field; } mystruct;
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", ((char*) & mystruct.field) - ((char*) & mystruct));
exit(0);
}
EOF
if { (eval echo configure:5686: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest && (./conftest; exit) 2>/dev/null
then
ac_cv_alignof_double=`cat conftestval`
else
echo "configure: failed program was:" >&5
cat conftest.$ac_ext >&5
rm -fr conftest*
ac_cv_alignof_double='sizeof(double)'
fi
rm -fr conftest*
fi
fi
echo "$ac_t""$ac_cv_alignof_double" 1>&6
cat >> confdefs.h <<EOF
#define ALIGNOF_DOUBLE $ac_cv_alignof_double
EOF
if [ $ac_cv_alignof_double != 'sizeof(double)' ] ; then
MAX_ALIGNOF="$ac_cv_alignof_long"
if [ $MAX_ALIGNOF -lt $ac_cv_alignof_double ] ; then
MAX_ALIGNOF="$ac_cv_alignof_double"
fi
if [ $HAVE_LONG_LONG_INT_64 -eq 1 ] ; then
if [ $MAX_ALIGNOF -lt $ac_cv_alignof_long_long_int ] ; then
MAX_ALIGNOF="$ac_cv_alignof_long_long_int"
fi
fi
else
MAX_ALIGNOF="$ac_cv_alignof_double"
fi
cat >> confdefs.h <<EOF
#define MAXIMUM_ALIGNOF $MAX_ALIGNOF
EOF
echo $ac_n "checking for POSIX signal interface""... $ac_c" 1>&6 echo $ac_n "checking for POSIX signal interface""... $ac_c" 1>&6
echo "configure:5501: checking for POSIX signal interface" >&5 echo "configure:5728: checking for POSIX signal interface" >&5
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 5503 "configure" #line 5730 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <signal.h> #include <signal.h>
int main() { int main() {
...@@ -5509,7 +5736,7 @@ act.sa_flags = SA_RESTART; ...@@ -5509,7 +5736,7 @@ act.sa_flags = SA_RESTART;
sigaction(0, &act, &oact); sigaction(0, &act, &oact);
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:5513: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:5740: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
cat >> confdefs.h <<\EOF cat >> confdefs.h <<\EOF
#define USE_POSIX_SIGNALS 1 #define USE_POSIX_SIGNALS 1
...@@ -5533,7 +5760,7 @@ then ...@@ -5533,7 +5760,7 @@ then
# Extract the first word of "tclsh", so it can be a program name with args. # Extract the first word of "tclsh", so it can be a program name with args.
set dummy tclsh; ac_word=$2 set dummy tclsh; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:5537: checking for $ac_word" >&5 echo "configure:5764: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_TCLSH'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_path_TCLSH'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
...@@ -5566,7 +5793,7 @@ fi ...@@ -5566,7 +5793,7 @@ fi
# Extract the first word of "tcl", so it can be a program name with args. # Extract the first word of "tcl", so it can be a program name with args.
set dummy tcl; ac_word=$2 set dummy tcl; ac_word=$2
echo $ac_n "checking for $ac_word""... $ac_c" 1>&6 echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
echo "configure:5570: checking for $ac_word" >&5 echo "configure:5797: checking for $ac_word" >&5
if eval "test \"`echo '$''{'ac_cv_path_TCLSH'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_path_TCLSH'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
...@@ -5605,7 +5832,7 @@ fi ...@@ -5605,7 +5832,7 @@ fi
if test "$USE_TCL" = true if test "$USE_TCL" = true
then then
echo $ac_n "checking for tclConfig.sh""... $ac_c" 1>&6 echo $ac_n "checking for tclConfig.sh""... $ac_c" 1>&6
echo "configure:5609: checking for tclConfig.sh" >&5 echo "configure:5836: checking for tclConfig.sh" >&5
TCL_CONFIG_SH= TCL_CONFIG_SH=
library_dirs= library_dirs=
if test -z "$TCL_DIRS" if test -z "$TCL_DIRS"
...@@ -5634,7 +5861,7 @@ USE_TK=$USE_TCL # If TCL is disabled, disable TK ...@@ -5634,7 +5861,7 @@ USE_TK=$USE_TCL # If TCL is disabled, disable TK
if test "$USE_TK" = true if test "$USE_TK" = true
then then
echo $ac_n "checking for tkConfig.sh""... $ac_c" 1>&6 echo $ac_n "checking for tkConfig.sh""... $ac_c" 1>&6
echo "configure:5638: checking for tkConfig.sh" >&5 echo "configure:5865: checking for tkConfig.sh" >&5
TK_CONFIG_SH= TK_CONFIG_SH=
# library_dirs are set in the check for TCL # library_dirs are set in the check for TCL
for dir in $library_dirs for dir in $library_dirs
...@@ -5671,7 +5898,7 @@ if test "$USE_X" = true; then ...@@ -5671,7 +5898,7 @@ if test "$USE_X" = true; then
# Uses ac_ vars as temps to allow command line to override cache and checks. # Uses ac_ vars as temps to allow command line to override cache and checks.
# --without-x overrides everything else, but does not touch the cache. # --without-x overrides everything else, but does not touch the cache.
echo $ac_n "checking for X""... $ac_c" 1>&6 echo $ac_n "checking for X""... $ac_c" 1>&6
echo "configure:5675: checking for X" >&5 echo "configure:5902: checking for X" >&5
# Check whether --with-x or --without-x was given. # Check whether --with-x or --without-x was given.
if test "${with_x+set}" = set; then if test "${with_x+set}" = set; then
...@@ -5733,12 +5960,12 @@ if test "$ac_x_includes" = NO; then ...@@ -5733,12 +5960,12 @@ if test "$ac_x_includes" = NO; then
# First, try using that file with no special directory specified. # First, try using that file with no special directory specified.
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 5737 "configure" #line 5964 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <$x_direct_test_include> #include <$x_direct_test_include>
EOF EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:5742: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } { (eval echo configure:5969: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out` ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then if test -z "$ac_err"; then
rm -rf conftest* rm -rf conftest*
...@@ -5807,14 +6034,14 @@ if test "$ac_x_libraries" = NO; then ...@@ -5807,14 +6034,14 @@ if test "$ac_x_libraries" = NO; then
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-l$x_direct_test_library $LIBS" LIBS="-l$x_direct_test_library $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 5811 "configure" #line 6038 "configure"
#include "confdefs.h" #include "confdefs.h"
int main() { int main() {
${x_direct_test_function}() ${x_direct_test_function}()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:5818: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6045: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
LIBS="$ac_save_LIBS" LIBS="$ac_save_LIBS"
# We can link X programs with no special library path. # We can link X programs with no special library path.
...@@ -5920,17 +6147,17 @@ else ...@@ -5920,17 +6147,17 @@ else
case "`(uname -sr) 2>/dev/null`" in case "`(uname -sr) 2>/dev/null`" in
"SunOS 5"*) "SunOS 5"*)
echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6 echo $ac_n "checking whether -R must be followed by a space""... $ac_c" 1>&6
echo "configure:5924: checking whether -R must be followed by a space" >&5 echo "configure:6151: checking whether -R must be followed by a space" >&5
ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries" ac_xsave_LIBS="$LIBS"; LIBS="$LIBS -R$x_libraries"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 5927 "configure" #line 6154 "configure"
#include "confdefs.h" #include "confdefs.h"
int main() { int main() {
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:5934: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6161: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
ac_R_nospace=yes ac_R_nospace=yes
else else
...@@ -5946,14 +6173,14 @@ rm -f conftest* ...@@ -5946,14 +6173,14 @@ rm -f conftest*
else else
LIBS="$ac_xsave_LIBS -R $x_libraries" LIBS="$ac_xsave_LIBS -R $x_libraries"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 5950 "configure" #line 6177 "configure"
#include "confdefs.h" #include "confdefs.h"
int main() { int main() {
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:5957: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6184: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
ac_R_space=yes ac_R_space=yes
else else
...@@ -5985,7 +6212,7 @@ rm -f conftest* ...@@ -5985,7 +6212,7 @@ rm -f conftest*
# libraries were built with DECnet support. And karl@cs.umb.edu says # libraries were built with DECnet support. And karl@cs.umb.edu says
# the Alpha needs dnet_stub (dnet does not exist). # the Alpha needs dnet_stub (dnet does not exist).
echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6 echo $ac_n "checking for dnet_ntoa in -ldnet""... $ac_c" 1>&6
echo "configure:5989: checking for dnet_ntoa in -ldnet" >&5 echo "configure:6216: checking for dnet_ntoa in -ldnet" >&5
ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'` ac_lib_var=`echo dnet'_'dnet_ntoa | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
...@@ -5993,7 +6220,7 @@ else ...@@ -5993,7 +6220,7 @@ else
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-ldnet $LIBS" LIBS="-ldnet $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 5997 "configure" #line 6224 "configure"
#include "confdefs.h" #include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */ /* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2 /* We use char because int might match the return type of a gcc2
...@@ -6004,7 +6231,7 @@ int main() { ...@@ -6004,7 +6231,7 @@ int main() {
dnet_ntoa() dnet_ntoa()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6008: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6235: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes" eval "ac_cv_lib_$ac_lib_var=yes"
else else
...@@ -6026,7 +6253,7 @@ fi ...@@ -6026,7 +6253,7 @@ fi
if test $ac_cv_lib_dnet_dnet_ntoa = no; then if test $ac_cv_lib_dnet_dnet_ntoa = no; then
echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6 echo $ac_n "checking for dnet_ntoa in -ldnet_stub""... $ac_c" 1>&6
echo "configure:6030: checking for dnet_ntoa in -ldnet_stub" >&5 echo "configure:6257: checking for dnet_ntoa in -ldnet_stub" >&5
ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'` ac_lib_var=`echo dnet_stub'_'dnet_ntoa | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
...@@ -6034,7 +6261,7 @@ else ...@@ -6034,7 +6261,7 @@ else
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-ldnet_stub $LIBS" LIBS="-ldnet_stub $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6038 "configure" #line 6265 "configure"
#include "confdefs.h" #include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */ /* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2 /* We use char because int might match the return type of a gcc2
...@@ -6045,7 +6272,7 @@ int main() { ...@@ -6045,7 +6272,7 @@ int main() {
dnet_ntoa() dnet_ntoa()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6049: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6276: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes" eval "ac_cv_lib_$ac_lib_var=yes"
else else
...@@ -6074,12 +6301,12 @@ fi ...@@ -6074,12 +6301,12 @@ fi
# The nsl library prevents programs from opening the X display # The nsl library prevents programs from opening the X display
# on Irix 5.2, according to dickey@clark.net. # on Irix 5.2, according to dickey@clark.net.
echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6 echo $ac_n "checking for gethostbyname""... $ac_c" 1>&6
echo "configure:6078: checking for gethostbyname" >&5 echo "configure:6305: checking for gethostbyname" >&5
if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_func_gethostbyname'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6083 "configure" #line 6310 "configure"
#include "confdefs.h" #include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes, /* System header to define __stub macros and hopefully few prototypes,
which can conflict with char gethostbyname(); below. */ which can conflict with char gethostbyname(); below. */
...@@ -6102,7 +6329,7 @@ gethostbyname(); ...@@ -6102,7 +6329,7 @@ gethostbyname();
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6106: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6333: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_func_gethostbyname=yes" eval "ac_cv_func_gethostbyname=yes"
else else
...@@ -6123,7 +6350,7 @@ fi ...@@ -6123,7 +6350,7 @@ fi
if test $ac_cv_func_gethostbyname = no; then if test $ac_cv_func_gethostbyname = no; then
echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6 echo $ac_n "checking for gethostbyname in -lnsl""... $ac_c" 1>&6
echo "configure:6127: checking for gethostbyname in -lnsl" >&5 echo "configure:6354: checking for gethostbyname in -lnsl" >&5
ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'` ac_lib_var=`echo nsl'_'gethostbyname | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
...@@ -6131,7 +6358,7 @@ else ...@@ -6131,7 +6358,7 @@ else
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-lnsl $LIBS" LIBS="-lnsl $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6135 "configure" #line 6362 "configure"
#include "confdefs.h" #include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */ /* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2 /* We use char because int might match the return type of a gcc2
...@@ -6142,7 +6369,7 @@ int main() { ...@@ -6142,7 +6369,7 @@ int main() {
gethostbyname() gethostbyname()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6146: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6373: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes" eval "ac_cv_lib_$ac_lib_var=yes"
else else
...@@ -6172,12 +6399,12 @@ fi ...@@ -6172,12 +6399,12 @@ fi
# -lsocket must be given before -lnsl if both are needed. # -lsocket must be given before -lnsl if both are needed.
# We assume that if connect needs -lnsl, so does gethostbyname. # We assume that if connect needs -lnsl, so does gethostbyname.
echo $ac_n "checking for connect""... $ac_c" 1>&6 echo $ac_n "checking for connect""... $ac_c" 1>&6
echo "configure:6176: checking for connect" >&5 echo "configure:6403: checking for connect" >&5
if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_func_connect'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6181 "configure" #line 6408 "configure"
#include "confdefs.h" #include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes, /* System header to define __stub macros and hopefully few prototypes,
which can conflict with char connect(); below. */ which can conflict with char connect(); below. */
...@@ -6200,7 +6427,7 @@ connect(); ...@@ -6200,7 +6427,7 @@ connect();
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6204: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6431: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_func_connect=yes" eval "ac_cv_func_connect=yes"
else else
...@@ -6221,7 +6448,7 @@ fi ...@@ -6221,7 +6448,7 @@ fi
if test $ac_cv_func_connect = no; then if test $ac_cv_func_connect = no; then
echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6 echo $ac_n "checking for connect in -lsocket""... $ac_c" 1>&6
echo "configure:6225: checking for connect in -lsocket" >&5 echo "configure:6452: checking for connect in -lsocket" >&5
ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'` ac_lib_var=`echo socket'_'connect | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
...@@ -6229,7 +6456,7 @@ else ...@@ -6229,7 +6456,7 @@ else
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-lsocket $X_EXTRA_LIBS $LIBS" LIBS="-lsocket $X_EXTRA_LIBS $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6233 "configure" #line 6460 "configure"
#include "confdefs.h" #include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */ /* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2 /* We use char because int might match the return type of a gcc2
...@@ -6240,7 +6467,7 @@ int main() { ...@@ -6240,7 +6467,7 @@ int main() {
connect() connect()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6244: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6471: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes" eval "ac_cv_lib_$ac_lib_var=yes"
else else
...@@ -6264,12 +6491,12 @@ fi ...@@ -6264,12 +6491,12 @@ fi
# gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX. # gomez@mi.uni-erlangen.de says -lposix is necessary on A/UX.
echo $ac_n "checking for remove""... $ac_c" 1>&6 echo $ac_n "checking for remove""... $ac_c" 1>&6
echo "configure:6268: checking for remove" >&5 echo "configure:6495: checking for remove" >&5
if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_func_remove'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6273 "configure" #line 6500 "configure"
#include "confdefs.h" #include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes, /* System header to define __stub macros and hopefully few prototypes,
which can conflict with char remove(); below. */ which can conflict with char remove(); below. */
...@@ -6292,7 +6519,7 @@ remove(); ...@@ -6292,7 +6519,7 @@ remove();
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6296: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6523: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_func_remove=yes" eval "ac_cv_func_remove=yes"
else else
...@@ -6313,7 +6540,7 @@ fi ...@@ -6313,7 +6540,7 @@ fi
if test $ac_cv_func_remove = no; then if test $ac_cv_func_remove = no; then
echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6 echo $ac_n "checking for remove in -lposix""... $ac_c" 1>&6
echo "configure:6317: checking for remove in -lposix" >&5 echo "configure:6544: checking for remove in -lposix" >&5
ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'` ac_lib_var=`echo posix'_'remove | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
...@@ -6321,7 +6548,7 @@ else ...@@ -6321,7 +6548,7 @@ else
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-lposix $LIBS" LIBS="-lposix $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6325 "configure" #line 6552 "configure"
#include "confdefs.h" #include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */ /* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2 /* We use char because int might match the return type of a gcc2
...@@ -6332,7 +6559,7 @@ int main() { ...@@ -6332,7 +6559,7 @@ int main() {
remove() remove()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6336: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6563: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes" eval "ac_cv_lib_$ac_lib_var=yes"
else else
...@@ -6356,12 +6583,12 @@ fi ...@@ -6356,12 +6583,12 @@ fi
# BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay. # BSDI BSD/OS 2.1 needs -lipc for XOpenDisplay.
echo $ac_n "checking for shmat""... $ac_c" 1>&6 echo $ac_n "checking for shmat""... $ac_c" 1>&6
echo "configure:6360: checking for shmat" >&5 echo "configure:6587: checking for shmat" >&5
if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_func_shmat'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6365 "configure" #line 6592 "configure"
#include "confdefs.h" #include "confdefs.h"
/* System header to define __stub macros and hopefully few prototypes, /* System header to define __stub macros and hopefully few prototypes,
which can conflict with char shmat(); below. */ which can conflict with char shmat(); below. */
...@@ -6384,7 +6611,7 @@ shmat(); ...@@ -6384,7 +6611,7 @@ shmat();
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6388: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6615: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_func_shmat=yes" eval "ac_cv_func_shmat=yes"
else else
...@@ -6405,7 +6632,7 @@ fi ...@@ -6405,7 +6632,7 @@ fi
if test $ac_cv_func_shmat = no; then if test $ac_cv_func_shmat = no; then
echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6 echo $ac_n "checking for shmat in -lipc""... $ac_c" 1>&6
echo "configure:6409: checking for shmat in -lipc" >&5 echo "configure:6636: checking for shmat in -lipc" >&5
ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'` ac_lib_var=`echo ipc'_'shmat | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
...@@ -6413,7 +6640,7 @@ else ...@@ -6413,7 +6640,7 @@ else
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-lipc $LIBS" LIBS="-lipc $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6417 "configure" #line 6644 "configure"
#include "confdefs.h" #include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */ /* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2 /* We use char because int might match the return type of a gcc2
...@@ -6424,7 +6651,7 @@ int main() { ...@@ -6424,7 +6651,7 @@ int main() {
shmat() shmat()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6428: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6655: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes" eval "ac_cv_lib_$ac_lib_var=yes"
else else
...@@ -6457,7 +6684,7 @@ fi ...@@ -6457,7 +6684,7 @@ fi
# libraries we check for below, so use a different variable. # libraries we check for below, so use a different variable.
# --interran@uluru.Stanford.EDU, kb@cs.umb.edu. # --interran@uluru.Stanford.EDU, kb@cs.umb.edu.
echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6 echo $ac_n "checking for IceConnectionNumber in -lICE""... $ac_c" 1>&6
echo "configure:6461: checking for IceConnectionNumber in -lICE" >&5 echo "configure:6688: checking for IceConnectionNumber in -lICE" >&5
ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'` ac_lib_var=`echo ICE'_'IceConnectionNumber | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
...@@ -6465,7 +6692,7 @@ else ...@@ -6465,7 +6692,7 @@ else
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-lICE $LIBS" LIBS="-lICE $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6469 "configure" #line 6696 "configure"
#include "confdefs.h" #include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */ /* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2 /* We use char because int might match the return type of a gcc2
...@@ -6476,7 +6703,7 @@ int main() { ...@@ -6476,7 +6703,7 @@ int main() {
IceConnectionNumber() IceConnectionNumber()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6480: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6707: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes" eval "ac_cv_lib_$ac_lib_var=yes"
else else
...@@ -6509,7 +6736,7 @@ fi ...@@ -6509,7 +6736,7 @@ fi
X11_LIBS="" X11_LIBS=""
echo $ac_n "checking for XOpenDisplay in -lX11""... $ac_c" 1>&6 echo $ac_n "checking for XOpenDisplay in -lX11""... $ac_c" 1>&6
echo "configure:6513: checking for XOpenDisplay in -lX11" >&5 echo "configure:6740: checking for XOpenDisplay in -lX11" >&5
ac_lib_var=`echo X11'_'XOpenDisplay | sed 'y%./+-%__p_%'` ac_lib_var=`echo X11'_'XOpenDisplay | sed 'y%./+-%__p_%'`
if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_lib_$ac_lib_var'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
...@@ -6517,7 +6744,7 @@ else ...@@ -6517,7 +6744,7 @@ else
ac_save_LIBS="$LIBS" ac_save_LIBS="$LIBS"
LIBS="-lX11 ${X_PRE_LIBS} $LIBS" LIBS="-lX11 ${X_PRE_LIBS} $LIBS"
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6521 "configure" #line 6748 "configure"
#include "confdefs.h" #include "confdefs.h"
/* Override any gcc2 internal prototype to avoid an error. */ /* Override any gcc2 internal prototype to avoid an error. */
/* We use char because int might match the return type of a gcc2 /* We use char because int might match the return type of a gcc2
...@@ -6528,7 +6755,7 @@ int main() { ...@@ -6528,7 +6755,7 @@ int main() {
XOpenDisplay() XOpenDisplay()
; return 0; } ; return 0; }
EOF EOF
if { (eval echo configure:6532: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then if { (eval echo configure:6759: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest; then
rm -rf conftest* rm -rf conftest*
eval "ac_cv_lib_$ac_lib_var=yes" eval "ac_cv_lib_$ac_lib_var=yes"
else else
...@@ -6575,17 +6802,17 @@ then ...@@ -6575,17 +6802,17 @@ then
PWD_INCDIR=no PWD_INCDIR=no
ac_safe=`echo "pwd.h" | sed 'y%./+-%__p_%'` ac_safe=`echo "pwd.h" | sed 'y%./+-%__p_%'`
echo $ac_n "checking for pwd.h""... $ac_c" 1>&6 echo $ac_n "checking for pwd.h""... $ac_c" 1>&6
echo "configure:6579: checking for pwd.h" >&5 echo "configure:6806: checking for pwd.h" >&5
if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then if eval "test \"`echo '$''{'ac_cv_header_$ac_safe'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6 echo $ac_n "(cached) $ac_c" 1>&6
else else
cat > conftest.$ac_ext <<EOF cat > conftest.$ac_ext <<EOF
#line 6584 "configure" #line 6811 "configure"
#include "confdefs.h" #include "confdefs.h"
#include <pwd.h> #include <pwd.h>
EOF EOF
ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out" ac_try="$ac_cpp conftest.$ac_ext >/dev/null 2>conftest.out"
{ (eval echo configure:6589: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; } { (eval echo configure:6816: \"$ac_try\") 1>&5; (eval $ac_try) 2>&5; }
ac_err=`grep -v '^ *+' conftest.out` ac_err=`grep -v '^ *+' conftest.out`
if test -z "$ac_err"; then if test -z "$ac_err"; then
rm -rf conftest* rm -rf conftest*
......
src/configure.in
View file @ 1e117923
...@@ -896,6 +896,70 @@ fi ...@@ -896,6 +896,70 @@ fi
AC_DEFINE_UNQUOTED(INT64_FORMAT, $INT64_FORMAT) AC_DEFINE_UNQUOTED(INT64_FORMAT, $INT64_FORMAT)
dnl Determine memory alignment requirements for the basic C datatypes.
dnl CHECK_ALIGNOF(TYPE)
dnl This is modeled on the standard autoconf macro AC_CHECK_SIZEOF,
dnl except it finds the alignment requirement of the type instead of the size.
dnl The defined symbol is named ALIGNOF_TYPE, where the type name is
dnl converted in the same way as for AC_CHECK_SIZEOF.
dnl If cross-compiling, sizeof(type) is used as a default assumption.
AC_DEFUN(CHECK_ALIGNOF,
[changequote(<<, >>)dnl
dnl The name to #define.
define(<<AC_TYPE_NAME>>, translit(alignof_$1, [a-z *], [A-Z_P]))dnl
dnl The cache variable name.
define(<<AC_CV_NAME>>, translit(ac_cv_alignof_$1, [ *], [_p]))dnl
changequote([, ])dnl
AC_MSG_CHECKING(alignment of $1)
AC_CACHE_VAL(AC_CV_NAME,
[AC_TRY_RUN([#include <stdio.h>
struct { char filler; $1 field; } mystruct;
main()
{
FILE *f=fopen("conftestval", "w");
if (!f) exit(1);
fprintf(f, "%d\n", ((char*) & mystruct.field) - ((char*) & mystruct));
exit(0);
}], AC_CV_NAME=`cat conftestval`,
AC_CV_NAME='sizeof($1)',
AC_CV_NAME='sizeof($1)')])dnl
AC_MSG_RESULT($AC_CV_NAME)
AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME)
undefine([AC_TYPE_NAME])dnl
undefine([AC_CV_NAME])dnl
])
CHECK_ALIGNOF(short)
CHECK_ALIGNOF(int)
CHECK_ALIGNOF(long)
if [[ $HAVE_LONG_LONG_INT_64 -eq 1 ]] ; then
CHECK_ALIGNOF(long long int)
fi
CHECK_ALIGNOF(double)
dnl Compute maximum alignment of any basic type.
dnl We assume long's alignment is at least as strong as char, short, or int;
dnl but we must check long long (if it exists) and double.
if [[ $ac_cv_alignof_double != 'sizeof(double)' ]] ; then
MAX_ALIGNOF="$ac_cv_alignof_long"
if [[ $MAX_ALIGNOF -lt $ac_cv_alignof_double ]] ; then
MAX_ALIGNOF="$ac_cv_alignof_double"
fi
if [[ $HAVE_LONG_LONG_INT_64 -eq 1 ]] ; then
if [[ $MAX_ALIGNOF -lt $ac_cv_alignof_long_long_int ]] ; then
MAX_ALIGNOF="$ac_cv_alignof_long_long_int"
fi
fi
else
dnl cross-compiling: assume that double's alignment is worst case
MAX_ALIGNOF="$ac_cv_alignof_double"
fi
AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF)
dnl Check to see if platform has POSIX signal interface. dnl Check to see if platform has POSIX signal interface.
dnl NOTE: if this test fails then POSIX signals definitely don't work. dnl NOTE: if this test fails then POSIX signals definitely don't work.
dnl It could be that the test compiles but the POSIX routines don't dnl It could be that the test compiles but the POSIX routines don't
......
src/include/config.h.in
View file @ 1e117923
...@@ -290,6 +290,18 @@ extern void srandom(unsigned int seed); ...@@ -290,6 +290,18 @@ extern void srandom(unsigned int seed);
/* Define this as the appropriate snprintf format for 64-bit ints, if any */ /* Define this as the appropriate snprintf format for 64-bit ints, if any */
#undef INT64_FORMAT #undef INT64_FORMAT
/* These must be defined as the alignment requirement (NOT the size) of
* each of the basic C data types (except char, which we assume has align 1).
* MAXIMUM_ALIGNOF is the largest alignment requirement for any C data type.
* ALIGNOF_LONG_LONG_INT need only be defined if HAVE_LONG_LONG_INT_64 is.
*/
#undef ALIGNOF_SHORT
#undef ALIGNOF_INT
#undef ALIGNOF_LONG
#undef ALIGNOF_LONG_LONG_INT
#undef ALIGNOF_DOUBLE
#undef MAXIMUM_ALIGNOF
/* Define as the base type of the last arg to accept */ /* Define as the base type of the last arg to accept */
#undef SOCKET_SIZE_TYPE #undef SOCKET_SIZE_TYPE
......
src/include/utils/memutils.h
View file @ 1e117923
...@@ -15,7 +15,7 @@ ...@@ -15,7 +15,7 @@
* *
* Copyright (c) 1994, Regents of the University of California * Copyright (c) 1994, Regents of the University of California
* *
* $Id: memutils.h,v 1.22 1999/03/25 03:49:34 tgl Exp $ * $Id: memutils.h,v 1.23 1999/03/25 19:05:19 tgl Exp $
* *
* NOTES * NOTES
* some of the information in this file will be moved to * some of the information in this file will be moved to
...@@ -30,50 +30,21 @@ ...@@ -30,50 +30,21 @@
/* ---------------- /* ----------------
* Alignment macros: align a length or address appropriately for a given type. * Alignment macros: align a length or address appropriately for a given type.
* *
* It'd be best to use offsetof to check how the compiler aligns stuff, * There used to be some incredibly crufty platform-dependent hackery here,
* but not all compilers support that (still true)? So we make the * but now we rely on the configure script to get the info for us. Much nicer.
* conservative assumption that a type must be aligned on a boundary equal
* to its own size, except on a few architectures where we know better.
* *
* CAUTION: for the system tables, the struct declarations found in * NOTE: _ALIGN will not work if ALIGNVAL is not a power of 2.
* src/include/pg_*.h had better be interpreted by the compiler in a way * That case seems extremely unlikely to occur in practice, however.
* that agrees with the workings of these macros. In practice that means
* being careful to lay out the columns of a system table in a way that avoids
* wasted pad space.
*
* CAUTION: _ALIGN will not work if sizeof(TYPE) is not a power of 2.
* There are machines where sizeof(double) is not, for example.
* But such a size is almost certainly not an alignment boundary anyway.
* ---------------- * ----------------
*/ */
#define _ALIGN(TYPE,LEN) \ #define _ALIGN(ALIGNVAL,LEN) (((long)(LEN) + (ALIGNVAL-1)) & ~(ALIGNVAL-1))
(((long)(LEN) + (sizeof(TYPE) - 1)) & ~(sizeof(TYPE) - 1))
#define SHORTALIGN(LEN) _ALIGN(ALIGNOF_SHORT, (LEN))
#define SHORTALIGN(LEN) _ALIGN(short, (LEN)) #define INTALIGN(LEN) _ALIGN(ALIGNOF_INT, (LEN))
#define LONGALIGN(LEN) _ALIGN(ALIGNOF_LONG, (LEN))
#if defined(m68k) #define DOUBLEALIGN(LEN) _ALIGN(ALIGNOF_DOUBLE, (LEN))
#define INTALIGN(LEN) _ALIGN(short, (LEN)) #define MAXALIGN(LEN) _ALIGN(MAXIMUM_ALIGNOF, (LEN))
#else
#define INTALIGN(LEN) _ALIGN(int, (LEN))
#endif
#if (defined(sun) && ! defined(sparc)) || defined(m68k)
#define LONGALIGN(LEN) _ALIGN(short, (LEN))
#else
#define LONGALIGN(LEN) _ALIGN(long, (LEN))
#endif
#if defined(m68k)
#define DOUBLEALIGN(LEN) _ALIGN(short, (LEN))
#define MAXALIGN(LEN) _ALIGN(short, (LEN))
#elif defined(sco)
#define DOUBLEALIGN(LEN) _ALIGN(int, (LEN))
#define MAXALIGN(LEN) _ALIGN(int, (LEN))
#else
#define DOUBLEALIGN(LEN) _ALIGN(double, (LEN))
#define MAXALIGN(LEN) _ALIGN(double, (LEN))
#endif
/***************************************************************************** /*****************************************************************************
* oset.h -- Fixed format ordered set definitions. * * oset.h -- Fixed format ordered set definitions. *
......
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