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-rwxr-xr-xconfigure10
-rw-r--r--configure.in18
2 files changed, 18 insertions, 10 deletions
diff --git a/configure b/configure
index 5a321407a6b..fe36df8193a 100755
--- a/configure
+++ b/configure
@@ -12344,7 +12344,6 @@ fi
-# do this one the hard way in case isinf() is a macro
echo "$as_me:$LINENO: checking for isinf" >&5
echo $ECHO_N "checking for isinf... $ECHO_C" >&6
if test "${ac_cv_func_isinf+set}" = set; then
@@ -12353,7 +12352,9 @@ else
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
+
#include <math.h>
+double glob_double;
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
@@ -12364,7 +12365,7 @@ else
int
main ()
{
-double x = 0.0; int res = isinf(x);
+return isinf(glob_double) ? 0 : 1;
;
return 0;
}
@@ -12985,7 +12986,10 @@ echo $ECHO_N "checking for finite... $ECHO_C" >&6
cat >conftest.$ac_ext <<_ACEOF
#line $LINENO "configure"
#include "confdefs.h"
+
#include <math.h>
+double glob_double;
+
#ifdef F77_DUMMY_MAIN
# ifdef __cplusplus
extern "C"
@@ -12995,7 +12999,7 @@ cat >conftest.$ac_ext <<_ACEOF
int
main ()
{
-int dummy=finite(1.0);
+return finite(glob_double) ? 0 : 1;
;
return 0;
}
diff --git a/configure.in b/configure.in
index 9f69cd5f593..6bc857d29c3 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 1.398.4.9 2006/01/05 04:00:26 momjian Exp $
+dnl $PostgreSQL: pgsql/configure.in,v 1.398.4.10 2006/01/12 19:24:02 tgl Exp $
dnl
dnl Developers, please strive to achieve this order:
dnl
@@ -894,12 +894,13 @@ AC_CHECK_FUNCS(vsnprintf, [], pgac_need_repl_snprintf=yes)
AC_CHECK_DECLS([snprintf, vsnprintf])
-# do this one the hard way in case isinf() is a macro
+dnl Cannot use AC_CHECK_FUNC because isinf may be a macro
AC_CACHE_CHECK([for isinf], ac_cv_func_isinf,
-[AC_TRY_LINK(
-[#include <math.h>
+[AC_TRY_LINK([
+#include <math.h>
+double glob_double;
],
-[double x = 0.0; int res = isinf(x);],
+[return isinf(glob_double) ? 0 : 1;],
[ac_cv_func_isinf=yes],
[ac_cv_func_isinf=no])])
@@ -960,8 +961,11 @@ fi
dnl Cannot use AC_CHECK_FUNC because finite may be a macro
AC_MSG_CHECKING(for finite)
-AC_TRY_LINK([#include <math.h>],
- [int dummy=finite(1.0);],
+AC_TRY_LINK([
+#include <math.h>
+double glob_double;
+],
+ [return finite(glob_double) ? 0 : 1;],
[AC_DEFINE(HAVE_FINITE, 1, [Define to 1 if you have finite().])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])