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gh-90005: Port _dbm module to PY_STDLIB_MOD (GH-94433)

This commit is contained in:
Christian Heimes 2022-07-01 21:48:38 +02:00 committed by GitHub
parent 80aaeabb8b
commit ec5e253556
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 278 additions and 198 deletions
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1
Misc/NEWS.d/next/Build/2022-06-30-09-57-39.gh-issue-90005.9-pQyR.rst Normal file
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@ -0,0 +1 @@
``_dbm`` module dependencies are now detected by configure.

2
Modules/Setup.stdlib.in
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@ -68,7 +68,7 @@
# dbm/gdbm
# dbm needs either libndbm, libgdbm_compat, or libdb 5.x
#@MODULE__DBM_TRUE@_dbm _dbmmodule.c
@MODULE__DBM_TRUE@_dbm _dbmmodule.c
# gdbm module needs -lgdbm
@MODULE__GDBM_TRUE@_gdbm _gdbmmodule.c

295
configure generated vendored
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@ -664,6 +664,8 @@ MODULE_NIS_FALSE
MODULE_NIS_TRUE
MODULE__GDBM_FALSE
MODULE__GDBM_TRUE
MODULE__DBM_FALSE
MODULE__DBM_TRUE
MODULE__DECIMAL_FALSE
MODULE__DECIMAL_TRUE
MODULE__CTYPES_FALSE
@ -14040,7 +14042,6 @@ LIBS=$save_LIBS
# check for _dbmmodule.c dependencies
for ac_header in ndbm.h
do :
ac_fn_c_check_header_mongrel "$LINENO" "ndbm.h" "ac_cv_header_ndbm_h" "$ac_includes_default"
@ -14049,14 +14050,18 @@ if test "x$ac_cv_header_ndbm_h" = xyes; then :
#define HAVE_NDBM_H 1
_ACEOF
LIBS_SAVE="$LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for dbm_open in -lndbm" >&5
$as_echo_n "checking for dbm_open in -lndbm... " >&6; }
if ${ac_cv_lib_ndbm_dbm_open+:} false; then :
save_CFLAGS=$CFLAGS
save_CPPFLAGS=$CPPFLAGS
save_LDFLAGS=$LDFLAGS
save_LIBS=$LIBS
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dbm_open" >&5
$as_echo_n "checking for library containing dbm_open... " >&6; }
if ${ac_cv_search_dbm_open+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lndbm $LIBS"
ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@ -14075,81 +14080,73 @@ return dbm_open ();
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_lib_ndbm_dbm_open=yes
else
ac_cv_lib_ndbm_dbm_open=no
for ac_lib in '' ndbm gdbm_compat; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_search_dbm_open=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
conftest$ac_exeext
if ${ac_cv_search_dbm_open+:} false; then :
break
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_ndbm_dbm_open" >&5
$as_echo "$ac_cv_lib_ndbm_dbm_open" >&6; }
if test "x$ac_cv_lib_ndbm_dbm_open" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBNDBM 1
_ACEOF
done
if ${ac_cv_search_dbm_open+:} false; then :
LIBS="-lndbm $LIBS"
fi
LIBS="$LIBS_SAVE"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for dbm_open in -lgdbm_compat" >&5
$as_echo_n "checking for dbm_open in -lgdbm_compat... " >&6; }
if ${ac_cv_lib_gdbm_compat_dbm_open+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lgdbm_compat $LIBS"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
/* Override any GCC internal prototype to avoid an error.
Use char because int might match the return type of a GCC
builtin and then its argument prototype would still apply. */
#ifdef __cplusplus
extern "C"
#endif
char dbm_open ();
int
main ()
{
return dbm_open ();
;
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_lib_gdbm_compat_dbm_open=yes
else
ac_cv_lib_gdbm_compat_dbm_open=no
ac_cv_search_dbm_open=no
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gdbm_compat_dbm_open" >&5
$as_echo "$ac_cv_lib_gdbm_compat_dbm_open" >&6; }
if test "x$ac_cv_lib_gdbm_compat_dbm_open" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBGDBM_COMPAT 1
_ACEOF
LIBS="-lgdbm_compat $LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dbm_open" >&5
$as_echo "$ac_cv_search_dbm_open" >&6; }
ac_res=$ac_cv_search_dbm_open
if test "$ac_res" != no; then :
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
fi
LIBS="$LIBS_SAVE"
CFLAGS=$save_CFLAGS
CPPFLAGS=$save_CPPFLAGS
LDFLAGS=$save_LDFLAGS
LIBS=$save_LIBS
fi
done
# "gdbm-ndbm.h" and "gdbm/ndbm.h" are both normalized to "gdbm_ndbm_h"
# unset ac_cv_header_gdbm_ndbm_h to prevent false positive cache hits.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ndbm presence and linker args" >&5
$as_echo_n "checking for ndbm presence and linker args... " >&6; }
case $ac_cv_search_dbm_open in #(
*ndbm*|*gdbm_compat*) :
dbm_ndbm="$ac_cv_search_dbm_open"
have_ndbm=yes
;; #(
none*) :
dbm_ndbm=""
have_ndbm=yes
;; #(
no) :
have_ndbm=no
;; #(
*) :
;;
esac
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $have_ndbm ($dbm_ndbm)" >&5
$as_echo "$have_ndbm ($dbm_ndbm)" >&6; }
{ ac_cv_header_gdbm_ndbm_h=; unset ac_cv_header_gdbm_ndbm_h;}
if ${ac_cv_header_gdbm_slash_ndbm_h+:} false; then :
$as_echo_n "(cached) " >&6
@ -14202,14 +14199,18 @@ fi
{ ac_cv_header_gdbm_ndbm_h=; unset ac_cv_header_gdbm_ndbm_h;}
if test "$ac_cv_header_gdbm_slash_ndbm_h" = yes -o "$ac_cv_header_gdbm_dash_ndbm_h" = yes; then
LIBS_SAVE="$LIBS"
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for dbm_open in -lgdbm_compat" >&5
$as_echo_n "checking for dbm_open in -lgdbm_compat... " >&6; }
if ${ac_cv_lib_gdbm_compat_dbm_open+:} false; then :
save_CFLAGS=$CFLAGS
save_CPPFLAGS=$CPPFLAGS
save_LDFLAGS=$LDFLAGS
save_LIBS=$LIBS
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing dbm_open" >&5
$as_echo_n "checking for library containing dbm_open... " >&6; }
if ${ac_cv_search_dbm_open+:} false; then :
$as_echo_n "(cached) " >&6
else
ac_check_lib_save_LIBS=$LIBS
LIBS="-lgdbm_compat $LIBS"
ac_func_search_save_LIBS=$LIBS
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
@ -14228,27 +14229,45 @@ return dbm_open ();
return 0;
}
_ACEOF
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_lib_gdbm_compat_dbm_open=yes
else
ac_cv_lib_gdbm_compat_dbm_open=no
for ac_lib in '' gdbm_compat; do
if test -z "$ac_lib"; then
ac_res="none required"
else
ac_res=-l$ac_lib
LIBS="-l$ac_lib $ac_func_search_save_LIBS"
fi
if ac_fn_c_try_link "$LINENO"; then :
ac_cv_search_dbm_open=$ac_res
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS=$ac_check_lib_save_LIBS
conftest$ac_exeext
if ${ac_cv_search_dbm_open+:} false; then :
break
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gdbm_compat_dbm_open" >&5
$as_echo "$ac_cv_lib_gdbm_compat_dbm_open" >&6; }
if test "x$ac_cv_lib_gdbm_compat_dbm_open" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_LIBGDBM_COMPAT 1
_ACEOF
done
if ${ac_cv_search_dbm_open+:} false; then :
LIBS="-lgdbm_compat $LIBS"
else
ac_cv_search_dbm_open=no
fi
rm conftest.$ac_ext
LIBS=$ac_func_search_save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_search_dbm_open" >&5
$as_echo "$ac_cv_search_dbm_open" >&6; }
ac_res=$ac_cv_search_dbm_open
if test "$ac_res" != no; then :
test "$ac_res" = "none required" || LIBS="$ac_res $LIBS"
fi
LIBS="$LIBS_SAVE"
CFLAGS=$save_CFLAGS
CPPFLAGS=$save_CPPFLAGS
LDFLAGS=$save_LDFLAGS
LIBS=$save_LIBS
fi
# Check for libdb >= 5 with dbm_open()
@ -14267,16 +14286,21 @@ if ${ac_cv_have_libdb+:} false; then :
$as_echo_n "(cached) " >&6
else
LIBS_SAVE="$LIBS"
LIBS="$LIBS -ldb"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
save_CFLAGS=$CFLAGS
save_CPPFLAGS=$CPPFLAGS
save_LDFLAGS=$LDFLAGS
save_LIBS=$LIBS
LIBS="$LIBS -ldb"
cat confdefs.h - <<_ACEOF >conftest.$ac_ext
/* end confdefs.h. */
#define DB_DBM_HSEARCH 1
#include <db.h>
#if DB_VERSION_MAJOR < 5
#error "dh.h: DB_VERSION_MAJOR < 5 is not supported."
#endif
#define DB_DBM_HSEARCH 1
#include <db.h>
#if DB_VERSION_MAJOR < 5
#error "dh.h: DB_VERSION_MAJOR < 5 is not supported."
#endif
int
main ()
@ -14294,7 +14318,13 @@ else
fi
rm -f core conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
LIBS="$LIBS_SAVE"
CFLAGS=$save_CFLAGS
CPPFLAGS=$save_CPPFLAGS
LDFLAGS=$save_LDFLAGS
LIBS=$save_LIBS
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_libdb" >&5
@ -14349,6 +14379,43 @@ fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $with_dbmliborder" >&5
$as_echo "$with_dbmliborder" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for _dbm module CFLAGS and LIBS" >&5
$as_echo_n "checking for _dbm module CFLAGS and LIBS... " >&6; }
have_dbm=no
as_save_IFS=$IFS
IFS=:
for db in $with_dbmliborder; do
case "$db" in
ndbm)
if test "$have_ndbm" = yes; then
DBM_CFLAGS="-DUSE_NDBM"
DBM_LIBS="$dbm_ndbm"
have_dbm=yes
break
fi
;;
gdbm)
if test "$have_gdbm_compat" = yes; then
DBM_CFLAGS="-DUSE_GDBM_COMPAT"
DBM_LIBS="-lgdbm_compat"
have_dbm=yes
break
fi
;;
bdb)
if test "$ac_cv_have_libdb" = yes; then
DBM_CFLAGS="-DUSE_BERKDB"
DBM_LIBS="-ldb"
have_dbm=yes
break
fi
;;
esac
done
IFS=$as_save_IFS
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $DBM_CFLAGS $DBM_LIBS" >&5
$as_echo "$DBM_CFLAGS $DBM_LIBS" >&6; }
# Templates for things AC_DEFINEd more than once.
# For a single AC_DEFINE, no template is needed.
@ -24604,6 +24671,40 @@ fi
$as_echo "$py_cv_module__decimal" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _dbm" >&5
$as_echo_n "checking for stdlib extension module _dbm... " >&6; }
if test "$py_cv_module__dbm" != "n/a"; then :
if test -n "$with_dbmliborder"; then :
if test "$have_dbm" != "no"; then :
py_cv_module__dbm=yes
else
py_cv_module__dbm=missing
fi
else
py_cv_module__dbm=disabled
fi
fi
as_fn_append MODULE_BLOCK "MODULE__DBM_STATE=$py_cv_module__dbm$as_nl"
if test "x$py_cv_module__dbm" = xyes; then :
as_fn_append MODULE_BLOCK "MODULE__DBM_CFLAGS=$DBM_CFLAGS$as_nl"
as_fn_append MODULE_BLOCK "MODULE__DBM_LDFLAGS=$DBM_LIBS$as_nl"
fi
if test "$py_cv_module__dbm" = yes; then
MODULE__DBM_TRUE=
MODULE__DBM_FALSE='#'
else
MODULE__DBM_TRUE='#'
MODULE__DBM_FALSE=
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $py_cv_module__dbm" >&5
$as_echo "$py_cv_module__dbm" >&6; }
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for stdlib extension module _gdbm" >&5
$as_echo_n "checking for stdlib extension module _gdbm... " >&6; }
if test "$py_cv_module__gdbm" != "n/a"; then :
@ -25622,6 +25723,10 @@ if test -z "${MODULE__DECIMAL_TRUE}" && test -z "${MODULE__DECIMAL_FALSE}"; then
as_fn_error $? "conditional \"MODULE__DECIMAL\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MODULE__DBM_TRUE}" && test -z "${MODULE__DBM_FALSE}"; then
as_fn_error $? "conditional \"MODULE__DBM\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5
fi
if test -z "${MODULE__GDBM_TRUE}" && test -z "${MODULE__GDBM_FALSE}"; then
as_fn_error $? "conditional \"MODULE__GDBM\" was never defined.
Usually this means the macro was only invoked conditionally." "$LINENO" 5

100
configure.ac
View File

@ -3956,17 +3956,30 @@ WITH_SAVE_ENV([
], [have_gdbm=no])
])
# check for _dbmmodule.c dependencies
dnl check for _dbmmodule.c dependencies
dnl ndbm, gdbm_compat, libdb
AC_CHECK_HEADERS([ndbm.h], [
LIBS_SAVE="$LIBS"
AC_CHECK_LIB([ndbm], [dbm_open])
LIBS="$LIBS_SAVE"
AC_CHECK_LIB([gdbm_compat], [dbm_open])
LIBS="$LIBS_SAVE"
WITH_SAVE_ENV([
AC_SEARCH_LIBS([dbm_open], [ndbm gdbm_compat])
])
])
# "gdbm-ndbm.h" and "gdbm/ndbm.h" are both normalized to "gdbm_ndbm_h"
# unset ac_cv_header_gdbm_ndbm_h to prevent false positive cache hits.
AC_MSG_CHECKING([for ndbm presence and linker args])
AS_CASE([$ac_cv_search_dbm_open],
[*ndbm*|*gdbm_compat*], [
dbm_ndbm="$ac_cv_search_dbm_open"
have_ndbm=yes
],
[none*], [
dbm_ndbm=""
have_ndbm=yes
],
[no], [have_ndbm=no]
)
AC_MSG_RESULT([$have_ndbm ($dbm_ndbm)])
dnl "gdbm-ndbm.h" and "gdbm/ndbm.h" are both normalized to "gdbm_ndbm_h"
dnl unset ac_cv_header_gdbm_ndbm_h to prevent false positive cache hits.
AS_UNSET([ac_cv_header_gdbm_ndbm_h])
AC_CACHE_VAL([ac_cv_header_gdbm_slash_ndbm_h], [
AC_CHECK_HEADER(
@ -3991,26 +4004,26 @@ AS_VAR_IF([ac_cv_header_gdbm_dash_ndbm_h], [yes], [
AS_UNSET([ac_cv_header_gdbm_ndbm_h])
if test "$ac_cv_header_gdbm_slash_ndbm_h" = yes -o "$ac_cv_header_gdbm_dash_ndbm_h" = yes; then
LIBS_SAVE="$LIBS"
AC_CHECK_LIB([gdbm_compat], [dbm_open])
LIBS="$LIBS_SAVE"
WITH_SAVE_ENV([
AC_SEARCH_LIBS([dbm_open], [gdbm_compat])
])
fi
# Check for libdb >= 5 with dbm_open()
# db.h re-defines the name of the function
AC_CHECK_HEADERS([db.h], [
AC_CACHE_CHECK([for libdb], [ac_cv_have_libdb], [
LIBS_SAVE="$LIBS"
LIBS="$LIBS -ldb"
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#define DB_DBM_HSEARCH 1
#include <db.h>
#if DB_VERSION_MAJOR < 5
#error "dh.h: DB_VERSION_MAJOR < 5 is not supported."
#endif
], [DBM *dbm = dbm_open(NULL, 0, 0)])
], [ac_cv_have_libdb=yes], [ac_cv_have_libdb=no])
LIBS="$LIBS_SAVE"
WITH_SAVE_ENV([
LIBS="$LIBS -ldb"
AC_LINK_IFELSE([AC_LANG_PROGRAM([
#define DB_DBM_HSEARCH 1
#include <db.h>
#if DB_VERSION_MAJOR < 5
#error "dh.h: DB_VERSION_MAJOR < 5 is not supported."
#endif
], [DBM *dbm = dbm_open(NULL, 0, 0)])
], [ac_cv_have_libdb=yes], [ac_cv_have_libdb=no])
])
])
AS_VAR_IF([ac_cv_have_libdb], [yes], [
AC_DEFINE([HAVE_LIBDB], [1], [Define to 1 if you have the `db' library (-ldb).])
@ -4018,7 +4031,7 @@ AC_CHECK_HEADERS([db.h], [
])
# Check for --with-dbmliborder
AC_MSG_CHECKING(for --with-dbmliborder)
AC_MSG_CHECKING([for --with-dbmliborder])
AC_ARG_WITH(dbmliborder,
AS_HELP_STRING([--with-dbmliborder=db1:db2:...], [override order to check db backends for dbm; a valid value is a colon separated string with the backend names `ndbm', `gdbm' and `bdb'.]),
[], [with_dbmliborder=gdbm:ndbm:bdb])
@ -4038,7 +4051,42 @@ IFS=$as_save_IFS
AS_VAR_IF([with_dbmliborder], [error], [
AC_MSG_ERROR([proper usage is --with-dbmliborder=db1:db2:... (gdbm:ndbm:bdb)])
])
AC_MSG_RESULT($with_dbmliborder)
AC_MSG_RESULT([$with_dbmliborder])
AC_MSG_CHECKING([for _dbm module CFLAGS and LIBS])
have_dbm=no
as_save_IFS=$IFS
IFS=:
for db in $with_dbmliborder; do
case "$db" in
ndbm)
if test "$have_ndbm" = yes; then
DBM_CFLAGS="-DUSE_NDBM"
DBM_LIBS="$dbm_ndbm"
have_dbm=yes
break
fi
;;
gdbm)
if test "$have_gdbm_compat" = yes; then
DBM_CFLAGS="-DUSE_GDBM_COMPAT"
DBM_LIBS="-lgdbm_compat"
have_dbm=yes
break
fi
;;
bdb)
if test "$ac_cv_have_libdb" = yes; then
DBM_CFLAGS="-DUSE_BERKDB"
DBM_LIBS="-ldb"
have_dbm=yes
break
fi
;;
esac
done
IFS=$as_save_IFS
AC_MSG_RESULT([$DBM_CFLAGS $DBM_LIBS])
# Templates for things AC_DEFINEd more than once.
# For a single AC_DEFINE, no template is needed.
@ -6940,7 +6988,9 @@ PY_STDLIB_MOD([_ctypes],
dnl PY_STDLIB_MOD([_curses], [], [], [], [])
dnl PY_STDLIB_MOD([_curses_panel], [], [], [], [])
PY_STDLIB_MOD([_decimal], [], [], [$LIBMPDEC_CFLAGS], [$LIBMPDEC_LDFLAGS])
dnl PY_STDLIB_MOD([_dbm], [], [], [], [])
PY_STDLIB_MOD([_dbm],
[test -n "$with_dbmliborder"], [test "$have_dbm" != "no"],
[$DBM_CFLAGS], [$DBM_LIBS])
PY_STDLIB_MOD([_gdbm],
[test "$have_gdbm_dbmliborder" = yes], [test "$have_gdbm" = yes],
[$GDBM_CFLAGS], [$GDBM_LIBS])

6
pyconfig.h.in
View File

@ -640,18 +640,12 @@
/* Define to 1 if you have the `dld' library (-ldld). */
#undef HAVE_LIBDLD
/* Define to 1 if you have the `gdbm_compat' library (-lgdbm_compat). */
#undef HAVE_LIBGDBM_COMPAT
/* Define to 1 if you have the `ieee' library (-lieee). */
#undef HAVE_LIBIEEE
/* Define to 1 if you have the <libintl.h> header file. */
#undef HAVE_LIBINTL_H
/* Define to 1 if you have the `ndbm' library (-lndbm). */
#undef HAVE_LIBNDBM
/* Define to build the readline module. */
#undef HAVE_LIBREADLINE

72
setup.py
View File

@ -1163,77 +1163,7 @@ class PyBuildExt(build_ext):
self.addext(Extension('_crypt', ['_cryptmodule.c']))
def detect_dbm_gdbm(self):
# Modules that provide persistent dictionary-like semantics. You will
# probably want to arrange for at least one of them to be available on
# your machine, though none are defined by default because of library
# dependencies. The Python module dbm/__init__.py provides an
# implementation independent wrapper for these; dbm/dumb.py provides
# similar functionality (but slower of course) implemented in Python.
dbm_setup_debug = False # verbose debug prints from this script?
dbm_order = ['gdbm']
# libdb, gdbm and ndbm headers and libraries
have_ndbm_h = sysconfig.get_config_var("HAVE_NDBM_H")
have_gdbm_ndbm_h = sysconfig.get_config_var("HAVE_GDBM_NDBM_H")
have_gdbm_dash_ndbm_h = sysconfig.get_config_var("HAVE_GDBM_DASH_NDBM_H")
have_libndbm = sysconfig.get_config_var("HAVE_LIBNDBM")
have_libgdbm_compat = sysconfig.get_config_var("HAVE_LIBGDBM_COMPAT")
have_libdb = sysconfig.get_config_var("HAVE_LIBDB")
# The standard Unix dbm module:
if not CYGWIN:
config_args = [arg.strip("'")
for arg in sysconfig.get_config_var("CONFIG_ARGS").split()]
dbm_args = [arg for arg in config_args
if arg.startswith('--with-dbmliborder=')]
if dbm_args:
dbm_order = [arg.split('=')[-1] for arg in dbm_args][-1].split(":")
else:
dbm_order = "gdbm:ndbm:bdb".split(":")
dbmext = None
for cand in dbm_order:
if cand == "ndbm":
if have_ndbm_h:
# Some systems have -lndbm, others have -lgdbm_compat,
# others don't have either
if have_libndbm:
ndbm_libs = ['ndbm']
elif have_libgdbm_compat:
ndbm_libs = ['gdbm_compat']
else:
ndbm_libs = []
if dbm_setup_debug: print("building dbm using ndbm")
dbmext = Extension(
'_dbm', ['_dbmmodule.c'],
define_macros=[('USE_NDBM', None)],
libraries=ndbm_libs
)
break
elif cand == "gdbm":
# dbm_open() is provided by libgdbm_compat, which wraps libgdbm
if have_libgdbm_compat and (have_gdbm_ndbm_h or have_gdbm_dash_ndbm_h):
if dbm_setup_debug: print("building dbm using gdbm")
dbmext = Extension(
'_dbm', ['_dbmmodule.c'],
define_macros=[('USE_GDBM_COMPAT', None)],
libraries=['gdbm_compat']
)
break
elif cand == "bdb":
if have_libdb:
if dbm_setup_debug: print("building dbm using bdb")
dbmext = Extension(
'_dbm', ['_dbmmodule.c'],
define_macros=[('USE_BERKDB', None)],
libraries=['db']
)
break
if dbmext is not None:
self.add(dbmext)
else:
self.missing.append('_dbm')
self.addext(Extension('_dbm', ['_dbmmodule.c']))
# Anthony Baxter's gdbm module. GNU dbm(3) will require -lgdbm:
self.addext(Extension('_gdbm', ['_gdbmmodule.c']))