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More correct way to check for existence of types, which allows to specify

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which include files to consider.  Should fix BeOS problems with int8 types.
This commit is contained in:
Peter Eisentraut
2001-12-02 11:38:40 +00:00
parent ad81c99984
commit 15abc7788e
6 changed files with 181 additions and 144 deletions
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33
config/c-compiler.m4
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@ -1,5 +1,5 @@
# Macros to detect C compiler features
# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.3 2000/08/29 09:36:37 petere Exp $
# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.4 2001/12/02 11:38:40 petere Exp $
# PGAC_C_SIGNED
@ -117,3 +117,34 @@ AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The alignment requirement of a `]
undefine([AC_TYPE_NAME])dnl
undefine([AC_CV_NAME])dnl
])# PGAC_CHECK_ALIGNOF
# PGAC_CHECK_TYPE(TYPE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], [INCLUDES])
# ---------------------------------------------------------------------------
AC_DEFUN([PGAC_CHECK_TYPE],
[changequote(<<,>>)dnl
dnl The name to #define
define(<<AC_TYPE_NAME>>, translit(have_$1, [a-z *], [A-Z_P]))dnl
dnl The cache variable name.
define(<<AC_CV_NAME>>, translit(pgac_cv_have_$1, [ *], [_p]))dnl
changequote([, ])dnl
AC_CACHE_CHECK([for $1], AC_CV_NAME,
[AC_TRY_COMPILE([$4],
[if (($1 *) 0)
return 0;
if (sizeof ($1))
return 0;],
AC_CV_NAME[=yes],
AC_CV_NAME[=no])])
if test "$AC_CV_NAME" = yes; then
AC_DEFINE(AC_TYPE_NAME, 1, [Define to 1 if you have `]$1['])
ifelse($2,,,[$2
])[]dnl
ifelse($3,,,[else
$3
])[]dnl
fi
undefine([AC_TYPE_NAME])dnl
undefine([AC_CV_NAME])dnl
])# PGAC_CHECK_TYPE