|
1 | 1 | # Macros to detect C compiler features |
2 | | -# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.3 2000/08/29 09:36:37 petere Exp $ |
| 2 | +# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.4 2001/12/02 11:38:40 petere Exp $ |
3 | 3 |
|
4 | 4 |
|
5 | 5 | # PGAC_C_SIGNED |
@@ -117,3 +117,34 @@ AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [The alignment requirement of a `] |
117 | 117 | undefine([AC_TYPE_NAME])dnl |
118 | 118 | undefine([AC_CV_NAME])dnl |
119 | 119 | ])# PGAC_CHECK_ALIGNOF |
| 120 | + |
| 121 | + |
| 122 | +# PGAC_CHECK_TYPE(TYPE, [ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND], [INCLUDES]) |
| 123 | +# --------------------------------------------------------------------------- |
| 124 | + |
| 125 | +AC_DEFUN([PGAC_CHECK_TYPE], |
| 126 | +[changequote(<<,>>)dnl |
| 127 | +dnl The name to #define |
| 128 | +define(<<AC_TYPE_NAME>>,translit(have_$1,[a-z *],[A-Z_P]))dnl |
| 129 | +dnl The cache variable name. |
| 130 | +define(<<AC_CV_NAME>>,translit(pgac_cv_have_$1,[ *],[_p]))dnl |
| 131 | +changequote([,])dnl |
| 132 | +AC_CACHE_CHECK([for$1],AC_CV_NAME, |
| 133 | +[AC_TRY_COMPILE([$4], |
| 134 | +[if (($1 *) 0) |
| 135 | + return 0; |
| 136 | +if (sizeof ($1)) |
| 137 | + return 0;], |
| 138 | +AC_CV_NAME[=yes], |
| 139 | +AC_CV_NAME[=no])]) |
| 140 | +if test "$AC_CV_NAME" = yes; then |
| 141 | +AC_DEFINE(AC_TYPE_NAME,1,[Define to 1 if you have `]$1[']) |
| 142 | +ifelse($2,,,[$2 |
| 143 | +])[]dnl |
| 144 | +ifelse($3,,,[else |
| 145 | +$3 |
| 146 | +])[]dnl |
| 147 | +fi |
| 148 | +undefine([AC_TYPE_NAME])dnl |
| 149 | +undefine([AC_CV_NAME])dnl |
| 150 | +])# PGAC_CHECK_TYPE |