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| author | Peter Eisentraut <peter_e@gmx.net> | 2001-01-09 18:40:15 +0000 |
|---|---|---|
| committer | Peter Eisentraut <peter_e@gmx.net> | 2001-01-09 18:40:15 +0000 |
| commit | c3f93719569d87e05bef751c30db49c187bd5946 (patch) | |
| tree | 8fbdbc0b67811a2b825d92f3feca8767f67247bd /config/c-library.m4 | |
| parent | af26d6a4a2ab3b5cbf7df21e31937056549c3548 (diff) | |
| download | postgresql-c3f93719569d87e05bef751c30db49c187bd5946.tar.gz | |
Add configure check for sys_nerr, to end all discussions.
Diffstat (limited to 'config/c-library.m4')
| -rw-r--r-- | config/c-library.m4 | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/config/c-library.m4 b/config/c-library.m4 index 5a14846f80..3cb3995f01 100644 --- a/config/c-library.m4 +++ b/config/c-library.m4 @@ -1,5 +1,5 @@ # Macros that test various C library quirks -# $Header: /cvsroot/pgsql/config/c-library.m4,v 1.5 2000/11/03 18:43:51 petere Exp $ +# $Header: /cvsroot/pgsql/config/c-library.m4,v 1.6 2001/01/09 18:40:13 petere Exp $ # PGAC_VAR_INT_TIMEZONE @@ -123,3 +123,18 @@ if test x"$pgac_cv_header_strings_both" = x"yes"; then AC_DEFINE([STRING_H_WITH_STRINGS_H], 1, [Define if string.h and strings.h may both be included]) fi]) + + +# PGAC_VAR_SYS_NERR +# ----------------- +# Check if the global variable 'sys_nerr' exists. If so, define +# HAVE_SYS_NERR. +AC_DEFUN([PGAC_VAR_SYS_NERR], +[AC_CACHE_CHECK([for sys_nerr], pgac_cv_var_sys_nerr, +[AC_TRY_LINK([extern int sys_nerr;], + [int x = sys_nerr;], + [pgac_cv_var_sys_nerr=yes], + [pgac_cv_var_sys_nerr=no])]) +if test x"$pgac_cv_var_sys_nerr" = xyes ; then + AC_DEFINE(HAVE_SYS_NERR,, [Set to 1 if you have the global variable sys_nerr]) +fi])# PGAC_VAR_SYS_NERR |