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Message-ID: <0ad82f4b-34cc-49e5-bcf5-5e45c6f9853e@systematicsw.ab.ca>
Date: Sat, 23 Aug 2025 22:28:09 -0600
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Subject: Re: gcc 13 collect2 ld also failing in scallywag!
To: cygwin AT cygwin DOT com
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From: Brian Inglis via Cygwin <cygwin AT cygwin DOT com>
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Cc: Brian Inglis <brian DOT inglis AT systematicsw DOT ab DOT ca>
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Hi folks,

Previous GCC library paths are baked into libtool!

Belated rediscovery of a previously used "feature".

As ncurses is baked with a specific autoconf version 2.52, it can not be 
autoreconf-ed, but includes a fixup script to hack /usr/bin/libtool to update 
library paths to the latest GCC major version!

Enabled execution of fixup script hack against libtool during each run to avoid 
any future issues!

Not sure why libtool could not be written to use `gcc -dumpversion`, the path 
search expression in the fixup script, or the autotools/gnulib 
LT_INIT/AC_PROG_LIBTOOL/AM_PROG_LIBTOOL machinery to set the appropriate path?

Sheesh! Sorry for the noise!


On 2025-08-23 13:19, Brian Inglis via Cygwin wrote:
> 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

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