X-Authentication-Warning:	delorie.com: mail set sender to djgpp-workers-bounces using -f
X-Recipient:	djgpp-workers AT delorie DOT com
To:	djgpp-workers AT delorie DOT com
From:	"Andris Pavenis (andris DOT pavenis AT iki DOT fi) [via djgpp-workers AT delorie DOT com]" <djgpp-workers AT delorie DOT com>
Subject:	Missing functions in DJGPP libc (and/or) libm
Message-ID:	<91b82d66-c1a2-180b-0f3d-1d2cadd03287@iki.fi>
Date:	Sun, 12 Apr 2020 22:32:59 +0300
User-Agent:	Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
	Thunderbird/68.6.0
MIME-Version:	1.0
X-MIME-Autoconverted:	from Quoted-Printable to 8bit by delorie.com id 03CJXmbo002513
Reply-To:	djgpp-workers AT delorie DOT com

Tried to build current gcc master branch (2020-04-12) with DJGPP related changes. Maybe there are 
other problems but at least libgfortran doesnot build due to missing functions:

$ grep implicit\  xx | grep error
../../../gnu/gcc-10.01-20200412/libgfortran/intrinsics/trigd_lib.inc:84:28: error: implicit 
declaration of function 'fmaf' [-Werror=implicit-function-declaration]
../../../gnu/gcc-10.01-20200412/libgfortran/intrinsics/trigd_lib.inc:84:28: error: implicit 
declaration of function 'fma' [-Werror=implicit-function-declaration]
../../../gnu/gcc-10.01-20200412/libgfortran/intrinsics/trigd_lib.inc:55:56: error: implicit 
declaration of function 'copysignl' [-Werror=implicit-function-declaration]
../../../gnu/gcc-10.01-20200412/libgfortran/intrinsics/trigd_lib.inc:57:46: error: implicit 
declaration of function 'fabsl' [-Werror=implicit-function-declaration]
../../../gnu/gcc-10.01-20200412/libgfortran/intrinsics/trigd_lib.inc:84:28: error: implicit 
declaration of function 'fmal' [-Werror=implicit-function-declaration]
../../../gnu/gcc-10.01-20200412/libgfortran/intrinsics/trigd_lib.inc:76:45: error: implicit 
declaration of function 'cosl' [-Werror=implicit-function-declaration]
../../../gnu/gcc-10.01-20200412/libgfortran/intrinsics/trigd_lib.inc:75:45: error: implicit 
declaration of function 'sinl' [-Werror=implicit-function-declaration]
../../../gnu/gcc-10.01-20200412/libgfortran/intrinsics/trigd_lib.inc:77:45: error: implicit 
declaration of function 'tanl' [-Werror=implicit-function-declaration]


I suspect that we may have more and more such problems in future.

I only tried to build cross-compiler.

Andris

- Raw text -