bpo-45747: Detect gdbm/dbm dependencies in configure (GH-29467)

Co-authored-by: Erlend Egeberg Aasland <erlend.aasland@innova.no>

1 files changed, 338 insertions, 1 deletions

diff --git a/configure b/configure
index d9c4122..2a89703 100755
--- a/configure
+++ b/configure
@@ -10822,6 +10822,340 @@ else
   TCLTK_LIBS="$with_tcltk_libs"
 fi
 
+# check for _gdbmmodulec dependencies
+for ac_header in gdbm.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "gdbm.h" "ac_cv_header_gdbm_h" "$ac_includes_default"
+if test "x$ac_cv_header_gdbm_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_GDBM_H 1
+_ACEOF
+
+  LIBS_SAVE=$LIBS
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for gdbm_open in -lgdbm" >&5
+$as_echo_n "checking for gdbm_open in -lgdbm... " >&6; }
+if ${ac_cv_lib_gdbm_gdbm_open+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lgdbm  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 gdbm_open ();
+int
+main ()
+{
+return gdbm_open ();
+  ;
+  return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_lib_gdbm_gdbm_open=yes
+else
+  ac_cv_lib_gdbm_gdbm_open=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_lib_gdbm_gdbm_open" >&5
+$as_echo "$ac_cv_lib_gdbm_gdbm_open" >&6; }
+if test "x$ac_cv_lib_gdbm_gdbm_open" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_LIBGDBM 1
+_ACEOF
+
+  LIBS="-lgdbm $LIBS"
+
+fi
+
+  LIBS=$LIBS_SAVE
+
+fi
+
+done
+
+
+# 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"
+if test "x$ac_cv_header_ndbm_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_NDBM_H 1
+_ACEOF
+
+  LIBS_SAVE="$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 :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$LIBS
+LIBS="-lndbm  $LIBS"
+cat confdefs.h - <<_ACEOF >conftest.$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 "$LINENO"; then :
+  ac_cv_lib_ndbm_dbm_open=yes
+else
+  ac_cv_lib_ndbm_dbm_open=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_save_LIBS
+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
+
+  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 "$LINENO"; then :
+  ac_cv_lib_gdbm_compat_dbm_open=yes
+else
+  ac_cv_lib_gdbm_compat_dbm_open=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_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 $LIBS"
+
+fi
+
+  LIBS="$LIBS_SAVE"
+
+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.
+{ ac_cv_header_gdbm_ndbm_h=; unset ac_cv_header_gdbm_ndbm_h;}
+if ${ac_cv_header_gdbm_slash_ndbm_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ac_fn_c_check_header_mongrel "$LINENO" "gdbm/ndbm.h" "ac_cv_header_gdbm_ndbm_h" "$ac_includes_default"
+if test "x$ac_cv_header_gdbm_ndbm_h" = xyes; then :
+  ac_cv_header_gdbm_slash_ndbm_h=yes
+else
+  ac_cv_header_gdbm_slash_ndbm_h=no
+
+fi
+
+
+
+fi
+
+if test "x$ac_cv_header_gdbm_slash_ndbm_h" = xyes; then :
+
+
+$as_echo "#define HAVE_GDBM_NDBM_H 1" >>confdefs.h
+
+
+fi
+
+{ ac_cv_header_gdbm_ndbm_h=; unset ac_cv_header_gdbm_ndbm_h;}
+if ${ac_cv_header_gdbm_dash_ndbm_h+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+
+  ac_fn_c_check_header_mongrel "$LINENO" "gdbm-ndbm.h" "ac_cv_header_gdbm_ndbm_h" "$ac_includes_default"
+if test "x$ac_cv_header_gdbm_ndbm_h" = xyes; then :
+  ac_cv_header_gdbm_dash_ndbm_h=yes
+else
+  ac_cv_header_gdbm_dash_ndbm_h=no
+
+fi
+
+
+
+fi
+
+if test "x$ac_cv_header_gdbm_dash_ndbm_h" = xyes; then :
+
+
+$as_echo "#define HAVE_GDBM_DASH_NDBM_H 1" >>confdefs.h
+
+
+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 :
+  $as_echo_n "(cached) " >&6
+else
+  ac_check_lib_save_LIBS=$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 "$LINENO"; then :
+  ac_cv_lib_gdbm_compat_dbm_open=yes
+else
+  ac_cv_lib_gdbm_compat_dbm_open=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+LIBS=$ac_check_lib_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 $LIBS"
+
+fi
+
+  LIBS="$LIBS_SAVE"
+fi
+
+# Check for libdb >= 5 with dbm_open()
+# db.h re-defines the name of the function
+for ac_header in db.h
+do :
+  ac_fn_c_check_header_mongrel "$LINENO" "db.h" "ac_cv_header_db_h" "$ac_includes_default"
+if test "x$ac_cv_header_db_h" = xyes; then :
+  cat >>confdefs.h <<_ACEOF
+#define HAVE_DB_H 1
+_ACEOF
+
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking for libdb" >&5
+$as_echo_n "checking for libdb... " >&6; }
+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
+/* 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
+
+int
+main ()
+{
+DBM *dbm = dbm_open(NULL, 0, 0)
+  ;
+  return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+  ac_cv_have_libdb=yes
+else
+  ac_cv_have_libdb=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+    conftest$ac_exeext conftest.$ac_ext
+    LIBS="$LIBS_SAVE"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $ac_cv_have_libdb" >&5
+$as_echo "$ac_cv_have_libdb" >&6; }
+  if test "x$ac_cv_have_libdb" = xyes; then :
+
+
+$as_echo "#define HAVE_LIBDB 1" >>confdefs.h
+
+
+fi
+
+fi
+
+done
+
+
 # Check for --with-dbmliborder
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for --with-dbmliborder" >&5
 $as_echo_n "checking for --with-dbmliborder... " >&6; }
@@ -10833,12 +11167,15 @@ if test x$with_dbmliborder = xyes
 then
 as_fn_error $? "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
 else
-  for db in `echo $with_dbmliborder | sed 's/:/ /g'`; do
+  as_save_IFS=$IFS
+  IFS=:
+  for db in $with_dbmliborder; do
     if test x$db != xndbm && test x$db != xgdbm && test x$db != xbdb
     then
       as_fn_error $? "proper usage is --with-dbmliborder=db1:db2:..." "$LINENO" 5
     fi
   done
+  IFS=$as_save_IFS
 fi
 fi