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https://github.com/postgres/postgres.git
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Add configure-time check whether sig_atomic_t is defined; if not,
provide a default definition equating it to 'int'. Should trigger only on machines with pre-ANSI-C header files, eg SunOS 4.1.x.
This commit is contained in:
Tom Lane
parent
4ea2b8f556
commit
18ab41eeef
92
configure
vendored
92
configure
vendored
@ -8281,21 +8281,23 @@ EOF
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# Some platforms predefine the types int8, int16, etc. Only check
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# a (hopefully) representative subset.
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# a (hopefully) representative subset. We also check for sig_atomic_t,
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# which *should* be defined per ANSI C, but is missing on some old platforms.
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pgac_type_includes="\
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#include <stdio.h>
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#include <signal.h>
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#ifdef HAVE_SUPPORTDEFS_H
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#include <SupportDefs.h>
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#endif"
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echo $ac_n "checking for int8""... $ac_c" 1>&6
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echo "configure:8294: checking for int8" >&5
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echo "configure:8296: checking for int8" >&5
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if eval "test \"`echo '$''{'pgac_cv_have_int8'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 8299 "configure"
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#line 8301 "configure"
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#include "confdefs.h"
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$pgac_type_includes
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int main() {
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@ -8305,7 +8307,7 @@ if (sizeof (int8))
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return 0;
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; return 0; }
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EOF
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if { (eval echo configure:8309: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:8311: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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pgac_cv_have_int8=yes
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else
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@ -8326,12 +8328,12 @@ EOF
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fi
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echo $ac_n "checking for uint8""... $ac_c" 1>&6
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echo "configure:8330: checking for uint8" >&5
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echo "configure:8332: checking for uint8" >&5
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if eval "test \"`echo '$''{'pgac_cv_have_uint8'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 8335 "configure"
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#line 8337 "configure"
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#include "confdefs.h"
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$pgac_type_includes
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int main() {
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@ -8341,7 +8343,7 @@ if (sizeof (uint8))
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return 0;
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; return 0; }
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EOF
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if { (eval echo configure:8345: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:8347: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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pgac_cv_have_uint8=yes
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else
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@ -8362,12 +8364,12 @@ EOF
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fi
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echo $ac_n "checking for int64""... $ac_c" 1>&6
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echo "configure:8366: checking for int64" >&5
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echo "configure:8368: checking for int64" >&5
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if eval "test \"`echo '$''{'pgac_cv_have_int64'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 8371 "configure"
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#line 8373 "configure"
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#include "confdefs.h"
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$pgac_type_includes
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int main() {
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@ -8377,7 +8379,7 @@ if (sizeof (int64))
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return 0;
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; return 0; }
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EOF
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if { (eval echo configure:8381: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:8383: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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pgac_cv_have_int64=yes
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else
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@ -8398,12 +8400,12 @@ EOF
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fi
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echo $ac_n "checking for uint64""... $ac_c" 1>&6
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echo "configure:8402: checking for uint64" >&5
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echo "configure:8404: checking for uint64" >&5
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if eval "test \"`echo '$''{'pgac_cv_have_uint64'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 8407 "configure"
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#line 8409 "configure"
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#include "confdefs.h"
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$pgac_type_includes
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int main() {
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@ -8413,7 +8415,7 @@ if (sizeof (uint64))
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return 0;
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; return 0; }
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EOF
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if { (eval echo configure:8417: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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if { (eval echo configure:8419: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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pgac_cv_have_uint64=yes
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else
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@ -8433,16 +8435,52 @@ EOF
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fi
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echo $ac_n "checking for POSIX signal interface""... $ac_c" 1>&6
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echo "configure:8440: checking for POSIX signal interface" >&5
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if eval "test \"`echo '$''{'pgac_cv_func_posix_signals'+set}'`\" = set"; then
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echo $ac_n "checking for sig_atomic_t""... $ac_c" 1>&6
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echo "configure:8440: checking for sig_atomic_t" >&5
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if eval "test \"`echo '$''{'pgac_cv_have_sig_atomic_t'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 8445 "configure"
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#include "confdefs.h"
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$pgac_type_includes
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int main() {
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if ((sig_atomic_t *) 0)
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return 0;
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if (sizeof (sig_atomic_t))
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return 0;
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; return 0; }
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EOF
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if { (eval echo configure:8455: \"$ac_compile\") 1>&5; (eval $ac_compile) 2>&5; }; then
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rm -rf conftest*
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pgac_cv_have_sig_atomic_t=yes
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else
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echo "configure: failed program was:" >&5
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cat conftest.$ac_ext >&5
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rm -rf conftest*
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pgac_cv_have_sig_atomic_t=no
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fi
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rm -f conftest*
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fi
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echo "$ac_t""$pgac_cv_have_sig_atomic_t" 1>&6
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if test "$pgac_cv_have_sig_atomic_t" = yes; then
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cat >> confdefs.h <<\EOF
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#define HAVE_SIG_ATOMIC_T 1
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EOF
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fi
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echo $ac_n "checking for POSIX signal interface""... $ac_c" 1>&6
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echo "configure:8478: checking for POSIX signal interface" >&5
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if eval "test \"`echo '$''{'pgac_cv_func_posix_signals'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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cat > conftest.$ac_ext <<EOF
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#line 8483 "configure"
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#include "confdefs.h"
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#include <signal.h>
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int main() {
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@ -8452,7 +8490,7 @@ act.sa_flags = SA_RESTART;
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sigaction(0, &act, &oact);
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; return 0; }
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EOF
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if { (eval echo configure:8456: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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if { (eval echo configure:8494: \"$ac_link\") 1>&5; (eval $ac_link) 2>&5; } && test -s conftest${ac_exeext}; then
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rm -rf conftest*
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pgac_cv_func_posix_signals=yes
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else
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@ -8482,7 +8520,7 @@ do
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# Extract the first word of "$ac_prog", so it can be a program name with args.
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set dummy $ac_prog; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:8486: checking for $ac_word" >&5
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echo "configure:8524: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_path_TCLSH'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -8518,7 +8556,7 @@ test -n "$TCLSH" && break
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done
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echo $ac_n "checking for tclConfig.sh""... $ac_c" 1>&6
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echo "configure:8522: checking for tclConfig.sh" >&5
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echo "configure:8560: checking for tclConfig.sh" >&5
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# Let user override test
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if test -z "$TCL_CONFIG_SH"; then
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pgac_test_dirs="$with_tclconfig"
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@ -8551,7 +8589,7 @@ fi
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# Check for Tk configuration script tkConfig.sh
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if test "$with_tk" = yes; then
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echo $ac_n "checking for tkConfig.sh""... $ac_c" 1>&6
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echo "configure:8555: checking for tkConfig.sh" >&5
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echo "configure:8593: checking for tkConfig.sh" >&5
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# Let user override test
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if test -z "$TK_CONFIG_SH"; then
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pgac_test_dirs="$with_tkconfig $with_tclconfig"
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@ -8590,7 +8628,7 @@ do
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# Extract the first word of "$ac_prog", so it can be a program name with args.
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set dummy $ac_prog; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:8594: checking for $ac_word" >&5
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echo "configure:8632: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_NSGMLS'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -8626,7 +8664,7 @@ do
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# Extract the first word of "$ac_prog", so it can be a program name with args.
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set dummy $ac_prog; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:8630: checking for $ac_word" >&5
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echo "configure:8668: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_JADE'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -8657,7 +8695,7 @@ done
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echo $ac_n "checking for DocBook V3.1""... $ac_c" 1>&6
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echo "configure:8661: checking for DocBook V3.1" >&5
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echo "configure:8699: checking for DocBook V3.1" >&5
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if eval "test \"`echo '$''{'pgac_cv_check_docbook'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -8690,7 +8728,7 @@ have_docbook=$pgac_cv_check_docbook
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echo $ac_n "checking for DocBook stylesheets""... $ac_c" 1>&6
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echo "configure:8694: checking for DocBook stylesheets" >&5
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echo "configure:8732: checking for DocBook stylesheets" >&5
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if eval "test \"`echo '$''{'pgac_cv_path_stylesheets'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -8729,7 +8767,7 @@ do
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# Extract the first word of "$ac_prog", so it can be a program name with args.
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set dummy $ac_prog; ac_word=$2
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echo $ac_n "checking for $ac_word""... $ac_c" 1>&6
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echo "configure:8733: checking for $ac_word" >&5
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echo "configure:8771: checking for $ac_word" >&5
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if eval "test \"`echo '$''{'ac_cv_prog_SGMLSPL'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -1171,10 +1171,12 @@ AC_DEFINE_UNQUOTED(MAXIMUM_ALIGNOF, $MAX_ALIGNOF, [Define as the maximum alignme
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# Some platforms predefine the types int8, int16, etc. Only check
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# a (hopefully) representative subset.
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# a (hopefully) representative subset. We also check for sig_atomic_t,
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# which *should* be defined per ANSI C, but is missing on some old platforms.
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pgac_type_includes="\
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#include <stdio.h>
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#include <signal.h>
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#ifdef HAVE_SUPPORTDEFS_H
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#include <SupportDefs.h>
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#endif"
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@ -1183,6 +1185,7 @@ PGAC_CHECK_TYPE(int8, [], [], [$pgac_type_includes])
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PGAC_CHECK_TYPE(uint8, [], [], [$pgac_type_includes])
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PGAC_CHECK_TYPE(int64, [], [], [$pgac_type_includes])
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PGAC_CHECK_TYPE(uint64, [], [], [$pgac_type_includes])
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PGAC_CHECK_TYPE(sig_atomic_t, [], [], [$pgac_type_includes])
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PGAC_FUNC_POSIX_SIGNALS
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@ -12,7 +12,7 @@
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* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
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* Portions Copyright (c) 1994, Regents of the University of California
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*
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* $Id: c.h,v 1.112 2001/12/02 11:38:40 petere Exp $
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* $Id: c.h,v 1.113 2001/12/03 17:44:52 tgl Exp $
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*
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*-------------------------------------------------------------------------
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*/
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@ -302,6 +302,11 @@ typedef unsigned long int uint64;
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#endif /* not HAVE_LONG_INT_64 and not HAVE_LONG_LONG_INT_64 */
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/* sig_atomic_t is required by ANSI C, but may be missing on old platforms */
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#ifndef HAVE_SIG_ATOMIC_T
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typedef int sig_atomic_t;
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#endif
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/*
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* Size
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* Size of any memory resident object, as returned by sizeof.
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@ -8,7 +8,7 @@
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* or in pg_config.h afterwards. Of course, if you edit pg_config.h, then your
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* changes will be overwritten the next time you run configure.
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*
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* $Id: pg_config.h.in,v 1.14 2001/12/02 11:38:40 petere Exp $
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* $Id: pg_config.h.in,v 1.15 2001/12/03 17:44:52 tgl Exp $
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*/
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#ifndef PG_CONFIG_H
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@ -697,10 +697,13 @@ extern int fdatasync(int fildes);
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/* Define if you have on_exit() */
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#undef HAVE_ON_EXIT
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/* Define if the corresponding types are defined in standard headers */
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#undef HAVE_INT8
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#undef HAVE_UINT8
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#undef HAVE_INT64
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#undef HAVE_UINT64
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#undef HAVE_SIG_ATOMIC_T
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/*
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*------------------------------------------------------------------------
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