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Add/fix caching on some configure checks

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This commit is contained in:
Peter Eisentraut
2010-09-29 22:38:04 +03:00
parent fe48d9471e
commit 804a786c95
4 changed files with 226 additions and 145 deletions
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12
configure.in
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@ -1355,12 +1355,14 @@ fi
dnl Cannot use AC_CHECK_FUNC because sigsetjmp may be a macro
dnl (especially on GNU libc)
dnl See also comments in c.h.
AC_MSG_CHECKING(for sigsetjmp)
AC_TRY_LINK([#include <setjmp.h>],
AC_CACHE_CHECK([for sigsetjmp], pgac_cv_func_sigsetjmp,
[AC_TRY_LINK([#include <setjmp.h>],
[sigjmp_buf x; sigsetjmp(x, 1);],
[AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
AC_MSG_RESULT(yes)],
[AC_MSG_RESULT(no)])
[pgac_cv_func_sigsetjmp=yes],
[pgac_cv_func_sigsetjmp=no])])
if test x"$pgac_cv_func_sigsetjmp" = x"yes"; then
AC_DEFINE(HAVE_SIGSETJMP, 1, [Define to 1 if you have sigsetjmp().])
fi
AC_DECL_SYS_SIGLIST