gcc 13 collect2 ld also failing in scallywag!

[Brian Inglis]

Also failing in GitHub Scallywag CI:

https://cygwin.com/cgi-bin2/jobs.cgi?id=10262&srcpkg=ncurses&user=Brian+Inglis

https://github.com/cygwin/scallywag/actions/runs/17178449093

https://github.com/cygwin/scallywag/actions/runs/17178449093/job/48737632987

cd ../lib && /usr/bin/libtool --tag=CXX --silent --mode=link /usr/bin/g++  -ggdb 
-O2 -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=3 
-fstack-protector-strong --param=ssp-buffer-size=4 -Werror=return-type 
-ffile-prefix-map=/cygdrive/d/a/scallywag/ncurses/ncurses-6.5+20250816-1.x86_64/build=/usr/src/debug/ncurses-6.5+20250816-1 
-ffile-prefix-map=/cygdrive/d/a/scallywag/ncurses/ncurses-6.5+20250816-1.x86_64/src/ncurses-6.5-20250816=/usr/src/debug/ncurses-6.5+20250816-1 
  \
	-o libncurses++w.la ../obj_lo/cursesf.lo ../obj_lo/cursesm.lo 
../obj_lo/cursesw.lo ../obj_lo/cursespad.lo ../obj_lo/cursesp.lo 
../obj_lo/cursslk.lo ../obj_lo/cursesapp.lo ../obj_lo/cursesmain.lo \
	-rpath /usr/lib \
	-version-number 10:0 -no-undefined -L../lib -lformw -lmenuw -lpanelw -lncursesw 
  -L../lib ../lib/libformw.la ../lib/libmenuw.la ../lib/libpanelw.la 
../lib/libncursesw.la   -lutil
/usr/lib/gcc/x86_64-pc-cygwin/13/../../../../x86_64-pc-cygwin/bin/ld: cannot 
find /usr/lib/gcc/x86_64-pc-cygwin/12/crtbeginS.o: No such file or directory
/usr/lib/gcc/x86_64-pc-cygwin/13/../../../../x86_64-pc-cygwin/bin/ld: cannot 
find /usr/lib/gcc/x86_64-pc-cygwin/12/crtend.o: No such file or directory
collect2: error: ld returned 1 exit status
make[1]: *** [Makefile:383: ../lib/libncurses++w.la] Error 1
make[1]: Leaving directory 
'/cygdrive/d/a/scallywag/ncurses/ncurses-6.5+20250816-1.x86_64/build/c++'
make: *** [Makefile:142: all] Error 2
*** ERROR: make failed

On 2025-08-23 13:00, Brian Inglis via Cygwin wrote:
> In libtool build (ncurses package update), installed gcc 13:
> 
> $ gcc --version
> gcc (GCC) 13.4.0
> Copyright (C) 2023 Free Software Foundation, Inc.
> This is free software; see the source for copying conditions.  There is NO
> warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
> 
> collect2 appears to be looking for startup crt objects from gcc 12:
> 
> cd ../lib && /usr/bin/libtool --tag=CXX --silent --mode=link /usr/bin/g++  -ggdb 
> -O2 -pipe -Wall -Werror=format-security -Wp,-D_FORTIFY_SOURCE=3 -fstack- 
> protector-strong --param=ssp-buffer-size=4 -Werror=return-type -ffile-prefix- 
> map=/usr/src/ncurses/ncurses-6.5+20250816-1.x86_64/build=/usr/src/debug/ 
> ncurses-6.5+20250816-1 -ffile-prefix-map=/usr/src/ncurses/ 
> ncurses-6.5+20250816-1.x86_64/src/ncurses-6.5-20250816=/usr/src/debug/ 
> ncurses-6.5+20250816-1  \
>          -o libncurses++w.la ../obj_lo/cursesf.lo ../obj_lo/cursesm.lo ../ 
> obj_lo/cursesw.lo ../obj_lo/cursespad.lo ../obj_lo/cursesp.lo ../obj_lo/ 
> cursslk.lo ../obj_lo/cursesapp.lo ../obj_lo/cursesmain.lo \
>      -rpath /usr/lib \
>      -version-number 10:0 -no-undefined -L../lib -lformw -lmenuw -lpanelw - 
> lncursesw  -L../lib ../lib/libformw.la ../lib/libmenuw.la ../lib/ 
> libpanelw.la ../lib/libncursesw.la   -lutil
> /usr/lib/gcc/x86_64-pc-cygwin/13/../../../../x86_64-pc-cygwin/bin/ld: cannot 
> find /usr/lib/gcc/x86_64-pc-cygwin/12/crtbeginS.o: No such file or directory
> /usr/lib/gcc/x86_64-pc-cygwin/13/../../../../x86_64-pc-cygwin/bin/ld: cannot 
> find /usr/lib/gcc/x86_64-pc-cygwin/12/crtend.o: No such file or directory
> collect2: error: ld returned 1 exit status
> 
> $ cygcheck -p /usr/lib/gcc/x86_64-pc-cygwin/12/
> Found 2 matches for /usr/lib/gcc/x86_64-pc-cygwin/12/
> gcc-debuginfo-12.4.0-3 - gcc-debuginfo: Debug info for gcc
> gcc-debuginfo-12.5.0-1 - gcc-debuginfo: Debug info for gcc
-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retrancher  but when there is no more to cut
                                 -- Antoine de Saint-Exupéry