GCC 14: m68k, sh, and sparc64

[Sebastian Huber]

Hello,

the m68k, sh, and sparc64 build fails with GCC 14 due to:

make "CC_FOR_BUILD=gcc" "CFLAGS=-g -O2  -m4-single-only" "CCASFLAGS=-g 
-O2  -m4-single-only" "CFLAGS_FOR_BUILD=" "CFLAGS_FOR_TARGET=" 
"INSTALL=/usr/bin/install -c" "LDFLAGS=-m4-single-only" 
"LIBCFLAGS=-m4-single-only" "LIBCFLAGS_FOR_TARGET=" "MAKE=make" 
"MAKEINFO=makeinfo --split-size=5000000    " "PICFLAG=" 
"PICFLAG_FOR_TARGET=" "SHELL=/bin/sh" "EXPECT=expect" "RUNTEST=runtest" 
"RUNTESTFLAGS=" "exec_prefix=/tmp/sh/i-sh-rtems6" 
"infodir=/tmp/sh/i-sh-rtems6/share/info" 
"libdir=/tmp/sh/i-sh-rtems6/lib" "prefix=/tmp/sh/i-sh-rtems6" 
"tooldir=/tmp/sh/i-sh-rtems6/sh-rtems6" 
"top_toollibdir=/tmp/sh/i-sh-rtems6/sh-rtems6/lib/m4-single-only" 
"AR=/tmp/sh/i-sh-rtems6/sh-rtems6/bin/ar" "AS=as" 
"CC=/tmp/sh/b-gcc-sh-rtems6/./gcc/xgcc -B/tmp/sh/b-gcc-sh-rtems6/./gcc/ 
-nostdinc -B/tmp/sh/b-gcc-sh-rtems6/sh-rtems6/m4-single-only/newlib/ 
-isystem 
/tmp/sh/b-gcc-sh-rtems6/sh-rtems6/m4-single-only/newlib/targ-include 
-isystem /home/EB/sebastian_h/src/gcc/newlib/libc/include 
-B/tmp/sh/i-sh-rtems6/sh-rtems6/bin/ 
-B/tmp/sh/i-sh-rtems6/sh-rtems6/lib/ -isystem 
/tmp/sh/i-sh-rtems6/sh-rtems6/include -isystem 
/tmp/sh/i-sh-rtems6/sh-rtems6/sys-include  -m4-single-only" "LD=ld" 
"LIBCFLAGS=-m4-single-only" "NM=" "PICFLAG=" 
"RANLIB=/tmp/sh/i-sh-rtems6/sh-rtems6/bin/ranlib" "DESTDIR=" all-am
make[4]: Entering directory 
'/tmp/sh/b-gcc-sh-rtems6/sh-rtems6/m4-single-only/newlib'
   CC       libm/complex/libm_a-ccoshl.o
/home/EB/sebastian_h/src/gcc/newlib/libm/complex/ccoshl.c: In function 
'ccoshl':
/home/EB/sebastian_h/src/gcc/newlib/libm/complex/ccoshl.c:43:13: error: 
implicit declaration of function 'coshl'; did you mean 'coshf'? 
[-Wimplicit-function-declaration]
    43 |         w = coshl(x) * cosl(y) + (sinhl(x) * sinl(y)) * I;
       |             ^~~~~
       |             coshf
/home/EB/sebastian_h/src/gcc/newlib/libm/complex/ccoshl.c:43:24: error: 
implicit declaration of function 'cosl'; did you mean 'cosf'? 
[-Wimplicit-function-declaration]
    43 |         w = coshl(x) * cosl(y) + (sinhl(x) * sinl(y)) * I;
       |                        ^~~~
       |                        cosf
/home/EB/sebastian_h/src/gcc/newlib/libm/complex/ccoshl.c:43:35: error: 
implicit declaration of function 'sinhl'; did you mean 'sinhf'? 
[-Wimplicit-function-declaration]
    43 |         w = coshl(x) * cosl(y) + (sinhl(x) * sinl(y)) * I;
       |                                   ^~~~~
       |                                   sinhf
/home/EB/sebastian_h/src/gcc/newlib/libm/complex/ccoshl.c:43:46: error: 
implicit declaration of function 'sinl'; did you mean 'sinf'? 
[-Wimplicit-function-declaration]
    43 |         w = coshl(x) * cosl(y) + (sinhl(x) * sinl(y)) * I;
       |                                              ^~~~
       |                                              sinf
make[4]: *** [Makefile:43178: libm/complex/libm_a-ccoshl.o] Error 1

Implicit function declarations are an error by default in GCC 14. Joel, 
could you please have a look at the long double support in Newlib since 
you worked with it some time ago.

-- 
embedded brains GmbH & Co. KG
Herr Sebastian HUBER
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Germany
email: sebastian.huber at embedded-brains.de
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