mkoeppe
commented
4 years ago comment:2
The failure can be seen at https://github.com/mkoeppe/sage/runs/641394565
Closed embray closed 3 years ago
mkoeppe
commented
4 years ago The failure can be seen at https://github.com/mkoeppe/sage/runs/641394565
mkoeppe
commented
4 years ago Description changed:
---
+++
@@ -1,4 +1,19 @@
-The error occurs when linking:
+Follow-up from #30163, where libtool's fallback to static library build for `giac` caused linker errors while building sagelib.
+
+This is fixed by passing `-no-undefined` to the libtool linking flags, by setting `AM_LDFLAGS=-no-undefined`.
+
+Affected packages can be found as follows:
+
+```
+$ grep "undefined symbols not allowed" logs/pkgs/*
+cliquer-1.21.p4.log:libtool: link: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries
+giac-1.5.0.87p0.log:libtool: warning: undefined symbols not allowed in x86_64-pc-cygwin shared libraries; building static only
+libbraiding-1.0.p0.log:libtool: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries; building static only
+rw-0.7.p0.log:libtool: link: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries
+singular-4.1.1p2.p0.log:libtool: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries; building static only
+```
+
+It also affects the optional package `meataxe`.
[meataxe-1.0.p0] /usr/bin/bash ../libtool --tag=CC --mode=link gcc -g -O2 -L/opt/sagemath-9.0/local/lib -Wl,-rpath,/opt/sagemath-9.0/local/lib -o libmtx.la -rpath /opt/sagemath-9.0/local/lib args.lo berlekmp.lo bsand.lo bscore.lo bsdup.lo bsissub.lo bsmatch.lo bsminus.lo bsop.lo bsor.lo bsprint.lo bsread.lo bswrite.lo cfinfo.lo charpol.lo chbasis.lo error.lo ffio.lo fpcore.lo fpdup.lo fpmul.lo fpmul2.lo fpprint.lo gcd.lo genseed.lo grmaprow.lo grmatcore.lo grtable.lo homcomp.lo imatcore.lo imatread.lo imatwrite.lo init.lo intio.lo issub.lo isisom.lo kernel-0.lo ldiag.lo maddmul.lo mat2vec.lo matadd.lo matclean.lo matcmp.lo maketabF.lo matcopy.lo matcore.lo matcut.lo matdup.lo matech.lo matid.lo matins.lo matinv.lo matmul.lo matnull.lo matorder.lo matpivot.lo matprint.lo matpwr.lo matread.lo mattr.lo mattrace.lo matwrite.lo message.lo mfcore.lo mfread.lo mfreadlong.lo mfwrite.lo mfwritelong.lo minpol.lo mkendo.lo mmulscal.lo mraddgen.lo mrcore.lo mrread.lo mrtranspose.lo mrwrite.lo msclean.lo mscore.lo mtensor.lo mtxobj.lo os.lo permcmp.lo permcore.lo permdup.lo perminv.lo permmul.lo permorder.lo permprint.lo permpwr.lo permread.lo permwrite.lo poladd.lo polcmp.lo polcore.lo polderive.lo poldiv.lo poldup.lo polgcd.lo polmul.lo polprint.lo polread.lo polwrite.lo quotient.lo random.lo rdcfgen.lo saction.lo setcore.lo setinsert.lo settest.lo spinup.lo spinup2.lo split.lo stabpwr.lo stfcore.lo stfread.lo stfwrite.lo string.lo sumint.lo temap.lo tkinfo.lo vec2mat.lo wgen.lo window.lo zcleanrow.lo zcmprow.lo zgap.lo zpermrow.lo zzz2.lo @@ -6,3 +21,5 @@
This is a common issue especially when using libtool to link Windows DLLs and should hopefully be straightforward to fix.
+
+Cc'ing mmarco re libbraiding
mkoeppe
commented
4 years ago cc'ing dimpase re cliquer, also reported at https://github.com/dimpase/autocliquer/issues/4
mkoeppe
commented
4 years ago Upstream: Reported upstream. No feedback yet.
mkoeppe
commented
4 years ago Upstream link in build/pkgs/rw/SPKG.rst no longer works
mkoeppe
commented
4 years ago Cc'ing gentoo, arch people to see if new rw upstream is known
antonio-rojas
commented
4 years ago I'm getting it from https://sourceforge.net/projects/rankwidth/, but I don't know if there's anybody reading tickets there (there are none filed so far)
kiwifb
commented
4 years ago Replying to @antonio-rojas:
I'm getting it from https://sourceforge.net/projects/rankwidth/, but I don't know if there's anybody reading tickets there (there are none filed so far)
Same here in Gentoo https://packages.gentoo.org/packages/sci-mathematics/rw
orlitzky
commented
4 years ago What's wrong with rw upstream? The program is more or less "complete," so I wouldn't expect much activity. Last time (a few years ago), we just emailed the guy to ask about contributing an autotools build system.
mkoeppe
commented
4 years ago mkoeppe
commented
4 years ago 
miguelmarco
commented
4 years ago I created a new release for libbraiding:
https://github.com/miguelmarco/libbraiding/releases/tag/1.1
Should I also update the sage package?
IIRC, there is a new way to upload the tarball. Isn't it?
mkoeppe
commented
4 years ago Replying to @miguelmarco:
I created a new release for libbraiding:
Thanks a lot!
Should I also update the sage package?
Yes please
IIRC, there is a new way to upload the tarball. Isn't it?
No need to upload, but please add upstream_url as explained in https://wiki.sagemath.org/ReleaseTours/sage-9.1#For_developers-1
miguelmarco
commented
4 years ago mkoeppe
commented
4 years ago Description changed:
---
+++
@@ -22,4 +22,6 @@
This is a common issue especially when using libtool to link Windows DLLs and should hopefully be straightforward to fix.
+See also:
+- #30271 `nauty`: Switch to autotoolized fork so that shared libraries can be built
Author: Matthias Koeppe, Miguel Marco
mkoeppe
commented
4 years ago Description changed:
---
+++
@@ -1,4 +1,4 @@
-Follow-up from #30163, where libtool's fallback to static library build for `giac` caused linker errors while building sagelib.
+Follow-up from #30396, where libtool's fallback to static library build for `giac` caused linker errors while building sagelib.
This is fixed by passing `-no-undefined` to the libtool linking flags, by setting `AM_LDFLAGS=-no-undefined`.
Fix for meataxe at https://github.com/simon-king-jena/SharedMeatAxe/pull/1
New commits:
b2c0b15 | build/pkgs/meataxe/distros: Add fedora.txt |
mkoeppe
commented
4 years ago Replying to @mkoeppe:
cc'ing dimpase re cliquer, also reported at https://github.com/dimpase/autocliquer/issues/4
mkoeppe
commented
4 years ago mkoeppe
commented
4 years ago Description changed:
---
+++
@@ -13,7 +13,20 @@
singular-4.1.1p2.p0.log:libtool: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries; building static only-It also affects the optional package meataxe.
+In singular, only the gitfan.la library (module) is affected:
+
+ +Making all in gitfan +... +/usr/bin/bash ../../../libtool --tag=CXX --mode=link g++ -std=gnu++11 -O2 -g -pipe -fno-common -g0 -O3 -Wno-unused-function -Wno-trigraphs -Wno-unused-parameter -Wunknown-pragmas -Wno-unused-variable -fomit-frame-pointer -fwrapv -fvisibility=default -finline-functions -fno-exceptions -fno-threadsafe-statics -fno-enforce-eh-specs -fconserve-space -funroll-loops -fno-delete-null-pointer-checks -fno-rtti -module -export-dynamic -avoid-version -flat_namespace -weak_reference_mismatches weak -undefined dynamic_lookup -L/cygdrive/d/a/sage/sage/local/lib -Wl,-rpath,/cygdrive/d/a/sage/sage/local/lib -pipe -fno-common -g0 -O3 -Wno-unused-function -Wno-trigraphs -Wno-unused-parameter -Wunknown-pragmas -Wno-unused-variable -fomit-frame-pointer -fwrapv -fvisibility=default -finline-functions -fno-exceptions -fconserve-space -funroll-loops -fno-delete-null-pointer-checks -Wl,-Bdynamic -o gitfan.la -rpath /cygdrive/d/a/sage/sage/local/libexec/singular/MOD gitfan_la-gitfan.lo -lreadline -lncurses -lmpfr -lrt +libtool: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries; building static only +libtool: link: ar cru .libs/gitfan.a gitfan_la-gitfan.o +libtool: link: ranlib .libs/gitfan.a +libtool: link: ( cd ".libs" && rm -f "gitfan.la" && ln -s "../gitfan.la" "gitfan.la" ) +
+
+
+The issue also affects the optional package meataxe.
[meataxe-1.0.p0] /usr/bin/bash ../libtool --tag=CC --mode=link gcc -g -O2 -L/opt/sagemath-9.0/local/lib -Wl,-rpath,/opt/sagemath-9.0/local/lib -o libmtx.la -rpath /opt/sagemath-9.0/local/lib args.lo berlekmp.lo bsand.lo bscore.lo bsdup.lo bsissub.lo bsmatch.lo bsminus.lo bsop.lo bsor.lo bsprint.lo bsread.lo bswrite.lo cfinfo.lo charpol.lo chbasis.lo error.lo ffio.lo fpcore.lo fpdup.lo fpmul.lo fpmul2.lo fpprint.lo gcd.lo genseed.lo grmaprow.lo grmatcore.lo grtable.lo homcomp.lo imatcore.lo imatread.lo imatwrite.lo init.lo intio.lo issub.lo isisom.lo kernel-0.lo ldiag.lo maddmul.lo mat2vec.lo matadd.lo matclean.lo matcmp.lo maketabF.lo matcopy.lo matcore.lo matcut.lo matdup.lo matech.lo matid.lo matins.lo matinv.lo matmul.lo matnull.lo matorder.lo matpivot.lo matprint.lo matpwr.lo matread.lo mattr.lo mattrace.lo matwrite.lo message.lo mfcore.lo mfread.lo mfreadlong.lo mfwrite.lo mfwritelong.lo minpol.lo mkendo.lo mmulscal.lo mraddgen.lo mrcore.lo mrread.lo mrtranspose.lo mrwrite.lo msclean.lo mscore.lo mtensor.lo mtxobj.lo os.lo permcmp.lo permcore.lo permdup.lo perminv.lo permmul.lo permorder.lo permprint.lo permpwr.lo permread.lo permwrite.lo poladd.lo polcmp.lo polcore.lo polderive.lo poldiv.lo poldup.lo polgcd.lo polmul.lo polprint.lo polread.lo polwrite.lo quotient.lo random.lo rdcfgen.lo saction.lo setcore.lo setinsert.lo settest.lo spinup.lo spinup2.lo split.lo stabpwr.lo stfcore.lo stfread.lo stfwrite.lo string.lo sumint.lo temap.lo tkinfo.lo vec2mat.lo wgen.lo window.lo zcleanrow.lo zcmprow.lo zgap.lo zpermrow.lo zzz2.loLooks like the singular gitfan issue may be fixed by upstream commit 2617fca625d047a0b9890e6ffae1c5f8fe755aad
orlitzky
commented
4 years ago Description changed:
---
+++
@@ -13,20 +13,7 @@
singular-4.1.1p2.p0.log:libtool: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries; building static onlysingular, only the gitfan.la library (module) is affected: -Making all in gitfan -... -/usr/bin/bash ../../../libtool --tag=CXX --mode=link g++ -std=gnu++11 -O2 -g -pipe -fno-common -g0 -O3 -Wno-unused-function -Wno-trigraphs -Wno-unused-parameter -Wunknown-pragmas -Wno-unused-variable -fomit-frame-pointer -fwrapv -fvisibility=default -finline-functions -fno-exceptions -fno-threadsafe-statics -fno-enforce-eh-specs -fconserve-space -funroll-loops -fno-delete-null-pointer-checks -fno-rtti -module -export-dynamic -avoid-version -flat_namespace -weak_reference_mismatches weak -undefined dynamic_lookup -L/cygdrive/d/a/sage/sage/local/lib -Wl,-rpath,/cygdrive/d/a/sage/sage/local/lib -pipe -fno-common -g0 -O3 -Wno-unused-function -Wno-trigraphs -Wno-unused-parameter -Wunknown-pragmas -Wno-unused-variable -fomit-frame-pointer -fwrapv -fvisibility=default -finline-functions -fno-exceptions -fconserve-space -funroll-loops -fno-delete-null-pointer-checks -Wl,-Bdynamic -o gitfan.la -rpath /cygdrive/d/a/sage/sage/local/libexec/singular/MOD gitfan_la-gitfan.lo -lreadline -lncurses -lmpfr -lrt -libtool: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries; building static only -libtool: link: ar cru .libs/gitfan.a gitfan_la-gitfan.o -libtool: link: ranlib .libs/gitfan.a -libtool: link: ( cd ".libs" && rm -f "gitfan.la" && ln -s "../gitfan.la" "gitfan.la" ) --
-The issue also affects the optional package meataxe.
+It also affects the optional package meataxe.
[meataxe-1.0.p0] /usr/bin/bash ../libtool --tag=CC --mode=link gcc -g -O2 -L/opt/sagemath-9.0/local/lib -Wl,-rpath,/opt/sagemath-9.0/local/lib -o libmtx.la -rpath /opt/sagemath-9.0/local/lib args.lo berlekmp.lo bsand.lo bscore.lo bsdup.lo bsissub.lo bsmatch.lo bsminus.lo bsop.lo bsor.lo bsprint.lo bsread.lo bswrite.lo cfinfo.lo charpol.lo chbasis.lo error.lo ffio.lo fpcore.lo fpdup.lo fpmul.lo fpmul2.lo fpprint.lo gcd.lo genseed.lo grmaprow.lo grmatcore.lo grtable.lo homcomp.lo imatcore.lo imatread.lo imatwrite.lo init.lo intio.lo issub.lo isisom.lo kernel-0.lo ldiag.lo maddmul.lo mat2vec.lo matadd.lo matclean.lo matcmp.lo maketabF.lo matcopy.lo matcore.lo matcut.lo matdup.lo matech.lo matid.lo matins.lo matinv.lo matmul.lo matnull.lo matorder.lo matpivot.lo matprint.lo matpwr.lo matread.lo mattr.lo mattrace.lo matwrite.lo message.lo mfcore.lo mfread.lo mfreadlong.lo mfwrite.lo mfwritelong.lo minpol.lo mkendo.lo mmulscal.lo mraddgen.lo mrcore.lo mrread.lo mrtranspose.lo mrwrite.lo msclean.lo mscore.lo mtensor.lo mtxobj.lo os.lo permcmp.lo permcore.lo permdup.lo perminv.lo permmul.lo permorder.lo permprint.lo permpwr.lo permread.lo permwrite.lo poladd.lo polcmp.lo polcore.lo polderive.lo poldiv.lo poldup.lo polgcd.lo polmul.lo polprint.lo polread.lo polwrite.lo quotient.lo random.lo rdcfgen.lo saction.lo setcore.lo setinsert.lo settest.lo spinup.lo spinup2.lo split.lo stabpwr.lo stfcore.lo stfread.lo stfwrite.lo string.lo sumint.lo temap.lo tkinfo.lo vec2mat.lo wgen.lo window.lo zcleanrow.lo zcmprow.lo zgap.lo zpermrow.lo zzz2.loThe -no-undefined is only needed when building a shared library, so the flag can be appended in e.g.
libfoo_la_LDFLAGS = -no-undefinedrather than the global
AM_LDFLAGS=-no-undefinedthat will affect all link operations (including executables). It probably doesn't hurt much, but I remember vaguely that --as-needed was nicer than --no-undefined if you were going to apply it globally.
I also think most projects should have LT_INIT([disable-static]) in configure.ac these days, to disable the static libraries by default. They can still be enabled with --enable-static, but for most people they're a waste of time/space.
orlitzky
commented
4 years ago Putting back the description I clobbered...
orlitzky
commented
4 years ago Description changed:
---
+++
@@ -13,7 +13,19 @@
singular-4.1.1p2.p0.log:libtool: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries; building static only-It also affects the optional package meataxe.
+In singular, only the gitfan.la library (module) is affected:
+
+ +Making all in gitfan +... +/usr/bin/bash ../../../libtool --tag=CXX --mode=link g++ -std=gnu++11 -O2 -g -pipe -fno-common -g0 -O3 -Wno-unused-function -Wno-trigraphs -Wno-unused-parameter -Wunknown-pragmas -Wno-unused-variable -fomit-frame-pointer -fwrapv -fvisibility=default -finline-functions -fno-exceptions -fno-threadsafe-statics -fno-enforce-eh-specs -fconserve-space -funroll-loops -fno-delete-null-pointer-checks -fno-rtti -module -export-dynamic -avoid-version -flat_namespace -weak_reference_mismatches weak -undefined dynamic_lookup -L/cygdrive/d/a/sage/sage/local/lib -Wl,-rpath,/cygdrive/d/a/sage/sage/local/lib -pipe -fno-common -g0 -O3 -Wno-unused-function -Wno-trigraphs -Wno-unused-parameter -Wunknown-pragmas -Wno-unused-variable -fomit-frame-pointer -fwrapv -fvisibility=default -finline-functions -fno-exceptions -fconserve-space -funroll-loops -fno-delete-null-pointer-checks -Wl,-Bdynamic -o gitfan.la -rpath /cygdrive/d/a/sage/sage/local/libexec/singular/MOD gitfan_la-gitfan.lo -lreadline -lncurses -lmpfr -lrt +libtool: warning: undefined symbols not allowed in x86_64-unknown-cygwin shared libraries; building static only +libtool: link: ar cru .libs/gitfan.a gitfan_la-gitfan.o +libtool: link: ranlib .libs/gitfan.a +libtool: link: ( cd ".libs" && rm -f "gitfan.la" && ln -s "../gitfan.la" "gitfan.la" ) +
+
+The issue also affects the optional package meataxe.
[meataxe-1.0.p0] /usr/bin/bash ../libtool --tag=CC --mode=link gcc -g -O2 -L/opt/sagemath-9.0/local/lib -Wl,-rpath,/opt/sagemath-9.0/local/lib -o libmtx.la -rpath /opt/sagemath-9.0/local/lib args.lo berlekmp.lo bsand.lo bscore.lo bsdup.lo bsissub.lo bsmatch.lo bsminus.lo bsop.lo bsor.lo bsprint.lo bsread.lo bswrite.lo cfinfo.lo charpol.lo chbasis.lo error.lo ffio.lo fpcore.lo fpdup.lo fpmul.lo fpmul2.lo fpprint.lo gcd.lo genseed.lo grmaprow.lo grmatcore.lo grtable.lo homcomp.lo imatcore.lo imatread.lo imatwrite.lo init.lo intio.lo issub.lo isisom.lo kernel-0.lo ldiag.lo maddmul.lo mat2vec.lo matadd.lo matclean.lo matcmp.lo maketabF.lo matcopy.lo matcore.lo matcut.lo matdup.lo matech.lo matid.lo matins.lo matinv.lo matmul.lo matnull.lo matorder.lo matpivot.lo matprint.lo matpwr.lo matread.lo mattr.lo mattrace.lo matwrite.lo message.lo mfcore.lo mfread.lo mfreadlong.lo mfwrite.lo mfwritelong.lo minpol.lo mkendo.lo mmulscal.lo mraddgen.lo mrcore.lo mrread.lo mrtranspose.lo mrwrite.lo msclean.lo mscore.lo mtensor.lo mtxobj.lo os.lo permcmp.lo permcore.lo permdup.lo perminv.lo permmul.lo permorder.lo permprint.lo permpwr.lo permread.lo permwrite.lo poladd.lo polcmp.lo polcore.lo polderive.lo poldiv.lo poldup.lo polgcd.lo polmul.lo polprint.lo polread.lo polwrite.lo quotient.lo random.lo rdcfgen.lo saction.lo setcore.lo setinsert.lo settest.lo spinup.lo spinup2.lo split.lo stabpwr.lo stfcore.lo stfread.lo stfwrite.lo string.lo sumint.lo temap.lo tkinfo.lo vec2mat.lo wgen.lo window.lo zcleanrow.lo zcmprow.lo zgap.lo zpermrow.lo zzz2.loReplying to @orlitzky:
The
-no-undefinedis only needed when building a shared library, so the flag can be appended in e.g.libfoo_la_LDFLAGS = -no-undefinedrather than the global
AM_LDFLAGS=-no-undefinedthat will affect all link operations
I agree, that would be a little bit cleaner. But I don't think it's worth going back for this
mkoeppe
commented
4 years ago Replying to @orlitzky:
I also think most projects should have
LT_INIT([disable-static])in configure.ac these days, to disable the static libraries by default. They can still be enabled with--enable-static, but for most people they're a waste of time/space.
I agree, but I want to keep the upstream patches minimal. We have #28890 for the task of sending --disable-static to all our packages
dimpase
commented
4 years ago Replying to @mkoeppe:
cc'ing dimpase re cliquer, also reported at https://github.com/dimpase/autocliquer/issues/4
OK, done and dusted, thanks for the PR, see https://github.com/dimpase/autocliquer/releases/download/v1.22/cliquer-1.22.tar.gz
7ed8c4ca-6d56-4ae9-953a-41e42b4ed313
commented
4 years ago 7ed8c4ca-6d56-4ae9-953a-41e42b4ed313
commented
4 years ago Branch pushed to git repo; I updated commit sha1. New commits:
1e94f7a | build/pkgs/cliquer: Update to 1.22 |
dimpase
commented
4 years ago could you also add
--- a/build/pkgs/cliquer/SPKG.rst
+++ b/build/pkgs/cliquer/SPKG.rst
@@ -5,8 +5,8 @@ Description
-----------
Cliquer is a set of C routines for finding cliques in an arbitrary
-weighted graph. It uses an exact branch-and-bound algorithm recently
-developed by Patr Ostergard.
+weighted graph. It uses an exact branch-and-bound algorithm
+developed by Patric Östergård.
License
-------
@@ -28,4 +28,5 @@ Dependencies
Patches
-------
-- autotoolized - see https://github.com/dimpase/autocliquer
+- minor config updates (v1.22)
+- autotoolized - see https://github.com/dimpase/autocliquer (v1.21)Branch pushed to git repo; I updated commit sha1. New commits:
f2632eb | build/pkgs/cliquer/SPKG.rst: Update |
7ed8c4ca-6d56-4ae9-953a-41e42b4ed313
commented
4 years ago 7ed8c4ca-6d56-4ae9-953a-41e42b4ed313
commented
4 years ago 7ed8c4ca-6d56-4ae9-953a-41e42b4ed313
commented
4 years ago Branch pushed to git repo; I updated commit sha1. New commits:
9c1ee37 | build/pkgs/rw: Update to 0.9 |
7ed8c4ca-6d56-4ae9-953a-41e42b4ed313
commented
4 years ago Branch pushed to git repo; I updated commit sha1. New commits:
e662986 | Merge tag '9.2.beta14' into t/29152/cygwin__make_sure_all_packages_build_shared_libraries__using__am_ldflags__no_undefined_ |
7ed8c4ca-6d56-4ae9-953a-41e42b4ed313
commented
4 years ago 
simon-king-jena
commented
4 years ago I am about to release a new minor version of SharedMeatAxe based on Matthias' suggestions, and my plan was to upgrade it in Sage now. But since it is "needs review" already: Did Matthias did the meataxe upgrade in Sage already?
simon-king-jena
commented
4 years ago Work Issues: Upgrade shared_meataxe to v1.0.1
simon-king-jena
commented
4 years ago Aparently the upgrade of meataxe hasn't been done yet. So, it should be "needs work".
simon-king-jena
commented
4 years ago simon-king-jena
commented
4 years ago Changed work issues from Upgrade shared_meataxe to v1.0.1 to none
simon-king-jena
commented
4 years ago
Follow-up from #30396, where libtool's fallback to static library build for
giaccaused linker errors while building sagelib.This is fixed by passing
-no-undefinedto the libtool linking flags, by settingAM_LDFLAGS=-no-undefined.Affected packages can be found as follows:
In
singular, only thegitfan.lalibrary (module) is affected:The issue also affects the optional package
meataxe.This is a common issue especially when using libtool to link Windows DLLs and should hopefully be straightforward to fix.
See also:
30271
nauty: Switch to autotoolized fork so that shared libraries can be builtDepends on #31064
Upstream: Reported upstream. No feedback yet.
CC: @simon-king-jena @miguelmarco @dimpase @orlitzky @antonio-rojas @kiwifb @slel @jhpalmieri @vbraun
Component: porting: Cygwin
Author: Matthias Koeppe, Miguel Marco, Simon King
Branch/Commit:
6b6ee5cReviewer: Matthias Koeppe, Dima Pasechnik
Issue created by migration from https://trac.sagemath.org/ticket/29152