Commitc3f9371

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Add configure check for sys_nerr, to end all discussions.

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+110

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Lines changed: 16 additions & 1 deletion

Original file line number	Diff line number	Diff line change
`@@ -1,5 +1,5 @@`
`1`	`1`	`# Macros that test various C library quirks`
`2`		`-# $Header: /cvsroot/pgsql/config/c-library.m4,v 1.5 2000/11/03 18:43:51 petere Exp $`
	`2`	`+# $Header: /cvsroot/pgsql/config/c-library.m4,v 1.6 2001/01/09 18:40:13 petere Exp $`
`3`	`3`
`4`	`4`
`5`	`5`	`# PGAC_VAR_INT_TIMEZONE`
`@@ -123,3 +123,18 @@ if test x"$pgac_cv_header_strings_both" = x"yes"; then`
`123`	`123`	`AC_DEFINE([STRING_H_WITH_STRINGS_H],1,`
`124`	`124`	`[Define if string.h and strings.h may both be included])`
`125`	`125`	`fi])`
	`126`	`+`
	`127`	`+`
	`128`	`+# PGAC_VAR_SYS_NERR`
	`129`	`+# -----------------`
	`130`	`+# Check if the global variable 'sys_nerr' exists. If so, define`
	`131`	`+# HAVE_SYS_NERR.`
	`132`	`+AC_DEFUN([PGAC_VAR_SYS_NERR],`
	`133`	`+[AC_CACHE_CHECK([for sys_nerr],pgac_cv_var_sys_nerr,`
	`134`	`+[AC_TRY_LINK([extern int sys_nerr;],`
	`135`	`+[int x = sys_nerr;],`
	`136`	`+[pgac_cv_var_sys_nerr=yes],`
	`137`	`+[pgac_cv_var_sys_nerr=no])])`
	`138`	`+if test x"$pgac_cv_var_sys_nerr" = xyes ; then`
	`139`	`+AC_DEFINE(HAVE_SYS_NERR,,[Set to 1 if you have the global variable sys_nerr])`
	`140`	`+fi])# PGAC_VAR_SYS_NERR`

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