unix: remove support for building GDBM

It is globally disabled as of the last release. We don't need to
keep the code around.

cpython-unix/Makefile

@@ -111,9 +111,6 @@ $(OUTDIR)/bzip2-$(BZIP2_VERSION)-$(PACKAGE_SUFFIX).tar: $(PYTHON_DEP_DEPENDS) $(
 $(OUTDIR)/expat-$(EXPAT_VERSION)-$(PACKAGE_SUFFIX).tar: $(PYTHON_DEP_DEPENDS) $(HERE)/build-expat.sh
 	$(RUN_BUILD) --docker-image $(DOCKER_IMAGE_BUILD) expat
 
-$(OUTDIR)/gdbm-$(GDBM_VERSION)-$(PACKAGE_SUFFIX).tar: $(PYTHON_DEP_DEPENDS) $(HERE)/build-gdbm.sh
-	$(RUN_BUILD) --docker-image $(DOCKER_IMAGE_BUILD) gdbm
-
 $(OUTDIR)/inputproto-$(INPUTPROTO_VERSION)-$(PACKAGE_SUFFIX).tar: $(PYTHON_DEP_DEPENDS) $(HERE)/build-inputproto.sh
 	$(RUN_BUILD) --docker-image $(DOCKER_IMAGE_BUILD) inputproto
 
@@ -248,7 +245,6 @@ PYTHON_DEPENDS := \
     $(if $(NEED_BDB),$(OUTDIR)/bdb-$(BDB_VERSION)-$(PACKAGE_SUFFIX).tar) \
     $(if $(NEED_BZIP2),$(OUTDIR)/bzip2-$(BZIP2_VERSION)-$(PACKAGE_SUFFIX).tar) \
     $(if $(NEED_EXPAT),$(OUTDIR)/expat-$(EXPAT_VERSION)-$(PACKAGE_SUFFIX).tar) \
-    $(if $(NEED_GDBM),$(OUTDIR)/gdbm-$(GDBM_VERSION)-$(PACKAGE_SUFFIX).tar) \
     $(if $(NEED_LIBEDIT),$(OUTDIR)/libedit-$(LIBEDIT_VERSION)-$(PACKAGE_SUFFIX).tar) \
     $(if $(NEED_LIBFFI),$(OUTDIR)/libffi-$(LIBFFI_VERSION)-$(PACKAGE_SUFFIX).tar) \
     $(if $(NEED_m4),$(OUTDIR)/m4-$(M4_VERSION)-$(PACKAGE_SUFFIX).tar) \

cpython-unix/build.py

@@ -936,7 +936,6 @@ def main():
             "bdb",
             "bzip2",
             "expat",
-            "gdbm",
             "inputproto",
             "kbproto",
             "libffi",

cpython-unix/targets.yml

@@ -314,8 +314,6 @@ i686-unknown-linux-gnu:
     - bdb
     - binutils
     - bzip2
-    # TODO cross-compiling has issues.
-    # - gdbm
     - expat
     - libedit
     - libffi

pythonbuild/downloads.py

@@ -79,15 +79,6 @@
         "licenses": ["MIT"],
         "license_file": "LICENSE.expat.txt",
     },
-    "gdbm": {
-        "url": "https://ftp.gnu.org/gnu/gdbm/gdbm-1.21.tar.gz",
-        "size": 1005982,
-        "sha256": "b0b7dbdefd798de7ddccdd8edf6693a30494f7789777838042991ef107339cc2",
-        "version": "1.21",
-        "library_names": ["gdbm"],
-        "licenses": ["GPL-3.0-or-later"],
-        "license_file": "LICENSE.gdbm.txt",
-    },
     "inputproto": {
         "url": "https://www.x.org/archive/individual/proto/inputproto-2.3.2.tar.gz",
         "size": 244334,

pythonbuild/utils.py

@@ -59,9 +59,8 @@ def target_needs(yaml_path: pathlib.Path, target: str, python_version: str):
     needs = set(settings["needs"])
 
     # We only ship libedit linked readline extension on 3.10+ to avoid a GPL
-    # dependency. Ditto for gdbm.
+    # dependency.
     if not python_version.startswith(("3.8", "3.9")):
-        needs.discard("gdbm")
         needs.discard("readline")
 
     return needs