tox.ini, build/bin/write-dockerfile.sh: Use configure --enable-download-from-upstream-url --enable-experimental-packages instead of setting SAGE_SPKG directly

Author: Matthias Koeppe

.github/workflows/ci-cygwin-minimal.yml

@@ -15,7 +15,6 @@ env:
   SAGE_CHECK: warn
   SAGE_CHECK_PACKAGES: "!cython,!r,!python3,!nose,!pathpy,!gap,!cysignals,!linbox,!git,!ppl"
   CYGWIN: winsymlinks:native
-  CONFIGURE_ARGS: --enable-experimental-packages --enable-download-from-upstream-url
   SAGE_FAT_BINARY: yes
   SAGE_LOCAL: /opt/sage-${{ github.sha }}
 

.github/workflows/ci-cygwin-standard.yml

@@ -15,7 +15,6 @@ env:
   SAGE_CHECK: warn
   SAGE_CHECK_PACKAGES: "!cython,!r,!python3,!nose,!pathpy,!gap,!cysignals,!linbox,!git,!ppl"
   CYGWIN: winsymlinks:native
-  CONFIGURE_ARGS: --enable-experimental-packages --enable-download-from-upstream-url
   SAGE_FAT_BINARY: yes
   SAGE_LOCAL: /opt/sage-${{ github.sha }}
 

tox.ini

@@ -400,7 +400,7 @@ setenv =
     #
     # Resulting full configuration args, including EXTRA_CONFIGURE_ARGS from the user environment
     #
-                      CONFIGURE_ARGS={env:CONFIG_CONFIGURE_ARGS_ROOT:} {env:CONFIG_CONFIGURE_ARGS_1:} {env:CONFIG_CONFIGURE_ARGS_2:} {env:EXTRA_CONFIGURE_ARGS:}
+                      CONFIGURE_ARGS=--enable-experimental-packages --enable-download-from-upstream-url {env:CONFIG_CONFIGURE_ARGS_ROOT:} {env:CONFIG_CONFIGURE_ARGS_1:} {env:CONFIG_CONFIGURE_ARGS_2:} {env:EXTRA_CONFIGURE_ARGS:}
 
 # environment will be skipped if regular expression does not match against the sys.platform string
 platform =
@@ -488,8 +488,8 @@ commands =
     local:                 config*) ;; \
     local:                 *)       make -k V=0 base-toolchain ;; \
     local:             esac && \
-    local:             make -k V=0 SAGE_SPKG="sage-spkg -y -o" SAGE_CHECK=warn SAGE_CHECK_PACKAGES="!cython,!r,!python3,!nose,!gap,!cysignals,!linbox,!git,!ppl,!cmake,!networkx,!rpy2,!symengine_py,!sage_sws2rst" {env:TARGETS_PRE:} {posargs:build} && \
-    local:             ( [ -z "{env:TARGETS_OPTIONAL:}" ] || make -k V=0 SAGE_SPKG="sage-spkg -y -o" SAGE_CHECK=warn SAGE_CHECK_PACKAGES="!cython,!r,!python3,!nose,!gap,!cysignals,!linbox,!git,!ppl,!cmake,!networkx,!rpy2,!symengine_py,!sage_sws2rst" {env:TARGETS_OPTIONAL:} || echo "(error ignored)" ) '
+    local:             make -k V=0 SAGE_CHECK=warn SAGE_CHECK_PACKAGES="!cython,!r,!python3,!nose,!gap,!cysignals,!linbox,!git,!ppl,!cmake,!networkx,!rpy2,!symengine_py,!sage_sws2rst" {env:TARGETS_PRE:} {posargs:build} && \
+    local:             ( [ -z "{env:TARGETS_OPTIONAL:}" ] || make -k V=0 SAGE_CHECK=warn SAGE_CHECK_PACKAGES="!cython,!r,!python3,!nose,!gap,!cysignals,!linbox,!git,!ppl,!cmake,!networkx,!rpy2,!symengine_py,!sage_sws2rst" {env:TARGETS_OPTIONAL:} || echo "(error ignored)" ) '
 
 [testenv:check_configure]
 ## Test that configure behaves properly