# \-Wall

**URL:** <https://www.ruby-forum.com/t/wall/138404>\
**Category:** Development\
**Created:** [May 22, 2008, 6:12pm UTC](https://www.ruby-forum.com/t/wall/138404 "2008-05-22T18:12:22Z")\
**Posts on this page:** 6\
**Page:** 1

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [May 22, 2008, 6:12pm UTC](https://www.ruby-forum.com/t/wall/138404/1 "2008-05-22T18:12:22Z")

</div>

e$B!!$5$5$@$G$9!%e(B

e$B!!:G6a!$e(Bgcc e$B$Ne(B -Wall  
e$B$NB8:_$rK:$l$F$$$?$H$3$m!$$=$l$r$d$C$F$$$l$P5$e(B  
e$B$,$D$$$?$O$:$N%P%0$K5$$E$+$:$K%3%_%C%H$7$F$^$$!$K?KNIt7/$K;6!9E$i$le(B  
e$B$^$7$?!%e(B

e$B!!e(Bconfigure e$B$7$?;~E@$G!$%G%U%)%k%H$Ge(B gcc e$B$J$ie(B -Wall  
e$B$rIU$1$FM\_$7$$5$e(B  
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<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [May 22, 2008, 6:26pm UTC](https://www.ruby-forum.com/t/wall/138404/2 "2008-05-22T18:26:32Z")

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e$B$^$D$b$He(B e$B$f$-$R$m$G$9e(B

In message “Re: [ruby-dev:34810] -Wall”  
on Fri, 23 May 2008 01:11:50 +0900, SASADA Koichi [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
writes:

|e$B!!:G6a!$e(Bgcc e$B$Ne(B -Wall e$B$NB8:_$rK:$l$F$$$?$H$3$m!$$=$l$r$d$C$F$$$l$P5$e(B  
|e$B$,$D$$$?$O$:$N%P%0$K5$$E$+$:$K%3%_%C%H$7$F$^$$!$K?KNIt7/$K;6!9E$i$le(B  
|e$B$^$7$?!%e(B  
|  
|e$B!!e(Bconfigure e$B$7$?;~E@$G!$%G%U%)%k%H$Ge(B gcc e$B$J$ie(B -Wall e$B$rIU$1$FM\_$7$$5$e(B  
|e$B$,$9$k$N$G$9$,!$$=$l$@$H$^$:$$;v\>p$O$"$j$^$9$G$7$g$&$+!%e(B

-Walle$B$O;d$N%9%?%$%ke(B(e$B\>r7o\<0$KBeF~$r=q$/e(B)e$B$KJ86g$rIU$1$k$N$G5$e(B  
e$BJ,$,0-$$!"$H$$$&0J30$K$O$^$:$$$3$H$O;W$$$D$-$^$;$s!#e(B

---

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [May 22, 2008, 6:43pm UTC](https://www.ruby-forum.com/t/wall/138404/3 "2008-05-22T18:43:39Z")

</div>

e$BLZB\<$G$9!#e(B

Yukihiro M. e$B$5$s$O=q$-$^$7$?e(B (2008/05/23 1:25):

> |e$B!!e(Bconfigure e$B$7$?;~E@$G!$%G%U%)%k%H$Ge(B gcc e$B$J$ie(B -Wall e$B$rIU$1$FM\_$7$$5$e(B  
> |e$B$,$9$k$N$G$9$,!$$=$l$@$H$^$:$$;v\>p$O$"$j$^$9$G$7$g$&$+!%e(B
> 
> -Walle$B$O;d$N%9%?%$%ke(B(e$B\>r7o\<0$KBeF~$r=q$/e(B)e$B$KJ86g$rIU$1$k$N$G5$e(B  
> e$BJ,$,0-$$!"$H$$$&0J30$K$O$^$:$$$3$H$O;W$$$D$-$^$;$s!#e(B

if ((foo = bar)) {

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---

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [May 22, 2008, 7:32pm UTC](https://www.ruby-forum.com/t/wall/138404/4 "2008-05-22T19:32:33Z")

</div>

e$B:XF#$H?=$7$^$9!#e(B

On Fri, 23 May 2008 01:25:56 +0900  
Yukihiro M. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> -Walle$B$O;d$N%9%?%$%ke(B(e$B\>r7o\<0$KBeF~$r=q$/e(B)e$B$KJ86g$rIU$1$k$N$G5$e(B  
> e$BJ,$,0-$$!"$H$$$&0J30$K$O$^$:$$$3$H$O;W$$$D$-$^$;$s!#e(B

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(e$B;H$($k$+$be(B?)

---

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [June 8, 2008, 7:59am UTC](https://www.ruby-forum.com/t/wall/138404/5 "2008-06-08T07:59:24Z")

</div>

pegacorn です。

From: SASADA Koichi [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
Date: Fri, 23 May 2008 01:11:50 +0900  
Message-Id: [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
/ ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

> 　最近，gcc の -Wall の存在を忘れていたところ，それをやっていれば気  
> がついたはずのバグに気づかずにコミットしてまい，某卜部君に散々怒られ  
> ました．
> 
> 　configure した時点で，デフォルトで gcc なら -Wall を付けて欲しい気  
> がするのですが，それだとまずい事情はありますでしょうか．

めでたく(?)デフォルトで -Wall が付くようになったことですし、  
Visual C++ でもデフォルトで -W3 を付けるようにしては  
いかがでしょうか？

> パッチ\>  
> Index: win32/Makefile.sub  
> ===================================================================  
> — win32/Makefile.sub (revision 16898)  
> +++ win32/Makefile.sub (working copy)  
> @@ -94,6 +94,12 @@  
> !if !defined(DEBUGFLAGS)  
> DEBUGFLAGS = -Zi  
> !endif  
> +!if !defined(WARNFLAGS)  
> +WARNFLAGS = -W3  
> +!if $(MSC\_VER) \>= 1400  
> +WARNFLAGS = $(WARNFLAGS) -wd4018 -wd4101 -wd4244  
> +!endif  
> +!endif  
> !if !defined(OPTFLAGS)  
> !if $(MSC\_VER) \< 1400  
> OPTFLAGS = -O2b2xg-  
> \<\<

---

<div class="post-metadata">

**Author:** ![SASADA\_Koichi](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/s/f1d935/32.png) [@SASADA\_Koichi](https://www.ruby-forum.com/u/SASADA_Koichi)\
**Post date:** [May 23, 2008, 3:31pm UTC](https://www.ruby-forum.com/t/wall/138404/6 "2008-05-23T15:31:53Z")

</div>

e$B0J2\<!"$4;29M$^$G$K!#e(B

In message [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid)  
on Fri, 23 May 2008 02:31:40 +0900,  
Tadashi S. [removed\_email\_address@domain.invalid](mailto:removed_email_address@domain.invalid) wrote:

> > -Walle$B$O;d$N%9%?%$%ke(B(e$B\>r7o\<0$KBeF~$r=q$/e(B)e$B$KJ86g$rIU$1$k$N$G5$e(B  
> > e$BJ,$,0-$$!"$H$$$&0J30$K$O$^$:$$$3$H$O;W$$$D$-$^$;$s!#e(B
> 
> “-Wno-parentheses"e$B$rIU$1$k!”$H$$$&\<j$,$"$k$H;W$$$^$9!#\<+J,$O$$$D$b!"e(B  
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> NetBSDe$B$N%=!\<%9%D%j!\<$G$O!"e(Bmakefilee$B$Ne(BWARNSe$B$,e(B0e$B$h$jBg$-$$$H!"e(B

CFLAGS -Wno-sign-compare -Wno-traditional

LDFLAGS -Wl,–fatal-warnings

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-Wextra -Wno-unused-parameter

CXXFLAGSe$B$KDI2Ce(B -Wold-style-cast  
-Wctor-dtor-privacy -Wnon-virtual-dtor -Wreorder  
-Wno-deprecated -Wno-non-template-friend  
-Woverloaded-virtual -Wno-pmf-conversions  
-Wsign-promo -Wsynth

3e$B$h$jBg$-$/$F!"e(Bgcc 3e$B0J9\_$@$H!"e(B

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