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$NetBSD: patch-acinclude.m4,v 1.2 2020/01/20 21:25:24 adam Exp $
Fixed detection of __attribute__((__mode__(XX))) for sunpro.
--- acinclude.m4.orig 2016-12-17 00:45:27.000000000 +0900
+++ acinclude.m4 2017-06-14 13:05:04.000000000 +0900
@@ -3228,7 +3228,15 @@ dnl Introduced in gcc 2.2, but perhaps
AC_DEFUN([GMP_C_ATTRIBUTE_MODE],
[AC_CACHE_CHECK([whether gcc __attribute__ ((mode (XX))) works],
gmp_cv_c_attribute_mode,
-[AC_TRY_COMPILE([typedef int SItype __attribute__ ((mode (SI)));], ,
+[AC_TRY_COMPILE([
+ typedef int SItype __attribute__ ((mode (SI)));
+ typedef int QItype __attribute__ ((mode (QI)));
+], [
+ switch (1) {
+ case sizeof(SItype):
+ case sizeof(QItype): ;
+ }
+],
gmp_cv_c_attribute_mode=yes, gmp_cv_c_attribute_mode=no)
])
if test $gmp_cv_c_attribute_mode = yes; then
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