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Diffstat (limited to 'config/c-compiler.m4')
| -rw-r--r-- | config/c-compiler.m4 | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/config/c-compiler.m4 b/config/c-compiler.m4 index 5171e1e6d97..2f1d228623f 100644 --- a/config/c-compiler.m4 +++ b/config/c-compiler.m4 @@ -1,5 +1,5 @@ # Macros to detect C compiler features -# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.5 2002/03/29 17:32:53 petere Exp $ +# $Header: /cvsroot/pgsql/config/c-compiler.m4,v 1.6 2003/01/28 21:57:12 petere Exp $ # PGAC_C_SIGNED @@ -54,9 +54,11 @@ main() { }], [Ac_cachevar=yes], [Ac_cachevar=no], -[Ac_cachevar=no -dnl We will do better here with Autoconf 2.50 -AC_MSG_WARN([64 bit arithmetic disabled when cross-compiling])])]) +[# If cross-compiling, check the size reported by the compiler and +# trust that the arithmetic works. +AC_COMPILE_IFELSE([AC_LANG_BOOL_COMPILE_TRY([], [sizeof($1) == 8])], + Ac_cachevar=yes, + Ac_cachevar=no)])]) Ac_define=$Ac_cachevar if test x"$Ac_cachevar" = xyes ; then |