Merge branch 'develop' into 22345

.github/ISSUE_TEMPLATE.md

@@ -0,0 +1,3 @@
+Unfortunately we are not accepting issues on GitHub yet. To report an issue,
+please head over to https://trac.sagemath.org, log in with your GitHub account,
+and create a ticket there :)

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,8 @@
+Thanks for contributing to Sage! Unfortunately we are not accepting pull
+requests on GitHub yet. To propose a change to Sage, please log in with your
+GitHub account at https://trac.sagemath.org, create a ticket, and push your
+changes to that ticket as explained in our
+[Developer's Guide](https://doc.sagemath.org/html/en/developer/manual_git.html).
+
+Please make sure to also have a look at our
+[Code Style Conventions](https://doc.sagemath.org/html/en/developer/coding_basics.html).

COPYING.txt

@@ -54,6 +54,7 @@ extcode                     GPLv2+
 fflas_ffpack                LGPLv2.1+
 flint                       GPLv2+
 flintqs                     GPLv2+
+fplll                       LGPLv2.1+
 freetype                    FreeType License (similar to BSD; see below)
 gap                         GPLv2+
 gcc                         GPLv3+
@@ -72,7 +73,6 @@ jinja2                      Modified BSD
 jmol                        LGPLv2.1+
 jsonschema                  MIT License
 lcalc                       GPLv2+
-libfplll                    LGPLv2.1+
 libgap                      GPLv3+
 libpng                      Custom, very similar to zlib
 linbox                      LGPLv2.1+

Makefile

@@ -9,12 +9,27 @@
 
 default: all
 
-build: all-build
+all: base-toolchain
+	$(MAKE) all-start
+
+build: base-toolchain
+	$(MAKE) all-build
+
+start: base-toolchain
+	$(MAKE) build-start
+
+sageruntime: base-toolchain
+	$(MAKE) all-sageruntime
+
+
+# The --stop flag below is just a random flag to induce graceful
+# breakage with non-GNU versions of make.
+# See https://trac.sagemath.org/ticket/24617
 
 # Defer unknown targets to build/make/Makefile
 %::
 	@if [ -x relocate-once.py ]; then ./relocate-once.py; fi
-	$(MAKE) build/make/Makefile
+	$(MAKE) build/make/Makefile --stop
 	+build/bin/sage-logger \
 		"cd build/make && ./install '$@'" logs/install.log
 
@@ -37,6 +52,13 @@ build/make/Makefile: configure build/make/deps build/pkgs/*/*
 			echo "Since 'SAGE_PORT' is set, we will try to build anyway."; \
 		fi; )
 
+# This is used to monitor progress towards Python 3 and prevent
+# regressions. The target "build" should be upgraded to reflect the
+# level of Python 3 support that is known to work.
+buildbot-python3: configure
+	./configure --with-python=3
+	$(MAKE) build
+
 # Preemptively download all standard upstream source tarballs.
 download:
 	export SAGE_ROOT=$$(pwd) && \
@@ -139,7 +161,12 @@ install: all
 	@echo "from https://github.com/sagemath/binary-pkg"
 	@echo "******************************************************************"
 
+list:
+	@$(MAKE) --silent build/make/Makefile >&2
+	@$(MAKE) --silent -f build/make/Makefile SAGE_SPKG_INST=local $@
+
 .PHONY: default build install micro_release \
 	misc-clean bdist-clean distclean bootstrap-clean maintainer-clean \
 	test check testoptional testall testlong testoptionallong testallong \
-	ptest ptestoptional ptestall ptestlong ptestoptionallong ptestallong
+	ptest ptestoptional ptestall ptestlong ptestoptionallong ptestallong \
+	buildbot-python3 list