[ruby-dev:48735] [ruby-trunk - Bug #10350] compile error in bignum.c line 3297 with old fcc on Solaris
From:
nagachika00@...
Date:
2014-11-06 14:20:31 UTC
List:
ruby-dev #48735
Issue #10350 has been updated by Tomoyuki Chikanaga.
Backport changed from 2.0.0: DONTNEED, 2.1: REQUIRED to 2.0.0: DONTNEED, 2.1: DONE
Backported into `ruby_2_1` at r48303.
----------------------------------------
Bug #10350: compile error in bignum.c line 3297 with old fcc on Solaris
https://bugs.ruby-lang.org/issues/10350#change-49829
* Author: Naohisa Goto
* Status: Closed
* Priority: Normal
* Assignee: Naohisa Goto
* Category: build
* Target version:
* ruby -v: ruby 2.2.0dev (2014-10-09) [sparc64-solaris2.10]
* Backport: 2.0.0: DONTNEED, 2.1: DONE
----------------------------------------
Solaris上の古い fcc (Fujitsu C compiler) 5.6 にて、以下のコンパイルエラーが発生します。
~~~
"bignum.c", line 3297: error: initialization: constant expression is expected for variable: `nlz_bits_in_msbyte_bary'
~~~
以下のように変数の宣言と初期化を別々にしたらエラーなくビルドできました。
~~~
Index: bignum.c
===================================================================
--- bignum.c (revision 47859)
+++ bignum.c (working copy)
@@ -3294,7 +3294,7 @@
static const BDIGIT char_bit[1] = { CHAR_BIT };
BDIGIT numbytes_bary[bdigit_roomof(sizeof(numbytes))];
BDIGIT val_numbits_bary[bdigit_roomof(sizeof(numbytes) + 1)];
- BDIGIT nlz_bits_in_msbyte_bary[1] = { nlz_bits_in_msbyte };
+ BDIGIT nlz_bits_in_msbyte_bary[1];
BDIGIT word_numbits_bary[bdigit_roomof(sizeof(word_numbits))];
BDIGIT div_bary[numberof(val_numbits_bary) + BIGDIVREM_EXTRA_WORDS];
BDIGIT mod_bary[numberof(word_numbits_bary)];
@@ -3304,6 +3304,8 @@
int sign;
size_t numwords;
+ nlz_bits_in_msbyte_bary[0] = nlz_bits_in_msbyte;
+
/*
* val_numbits = numbytes * CHAR_BIT - nlz_bits_in_msbyte
* div, mod = val_numbits.divmod(word_numbits)
~~~
--
https://bugs.ruby-lang.org/