diff options
| author | Peter Eisentraut <peter_e@gmx.net> | 2001-01-10 17:07:18 +0000 |
|---|---|---|
| committer | Peter Eisentraut <peter_e@gmx.net> | 2001-01-10 17:07:18 +0000 |
| commit | 5508ef30e2031b84a69de3ff2b39fc4ec55fa4f2 (patch) | |
| tree | 2e5e4dc6c431fd80bbb03835cd38673136e1e78c /config | |
| parent | 09a160d5792e10e467a49801264cfd2ca8f616dc (diff) | |
| download | postgresql-5508ef30e2031b84a69de3ff2b39fc4ec55fa4f2.tar.gz | |
Make checks for global variables (sys_nerr, timezone) safe against getting
optimized away completely.
Diffstat (limited to 'config')
| -rw-r--r-- | config/c-library.m4 | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/config/c-library.m4 b/config/c-library.m4 index 3cb3995f01..52cac9f4dd 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 1.6 2001/01/09 18:40:13 petere Exp $ +# $Header: /cvsroot/pgsql/config/c-library.m4,v 1.7 2001/01/10 17:07:18 petere Exp $ # PGAC_VAR_INT_TIMEZONE @@ -8,8 +8,9 @@ # HAVE_INT_TIMEZONE. AC_DEFUN([PGAC_VAR_INT_TIMEZONE], [AC_CACHE_CHECK(for int timezone, pgac_cv_var_int_timezone, -[AC_TRY_LINK([#include <time.h>], - [int res = timezone / 60;], +[AC_TRY_LINK([#include <time.h> +int res;], + [res = timezone / 60;], [pgac_cv_var_int_timezone=yes], [pgac_cv_var_int_timezone=no])]) if test x"$pgac_cv_var_int_timezone" = xyes ; then @@ -131,8 +132,9 @@ fi]) # HAVE_SYS_NERR. AC_DEFUN([PGAC_VAR_SYS_NERR], [AC_CACHE_CHECK([for sys_nerr], pgac_cv_var_sys_nerr, -[AC_TRY_LINK([extern int sys_nerr;], - [int x = sys_nerr;], +[AC_TRY_LINK([extern int sys_nerr; +int x;], + [x = sys_nerr;], [pgac_cv_var_sys_nerr=yes], [pgac_cv_var_sys_nerr=no])]) if test x"$pgac_cv_var_sys_nerr" = xyes ; then |