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-rw-r--r--ext/dbm/extconf.rb5
1 files changed, 3 insertions, 2 deletions
diff --git a/ext/dbm/extconf.rb b/ext/dbm/extconf.rb
index 3a96cee12f..22198910cc 100644
--- a/ext/dbm/extconf.rb
+++ b/ext/dbm/extconf.rb
@@ -1,9 +1,10 @@
require 'mkmf'
-$LDFLAGS = "-L/usr/local/lib"
+dir_config("dbm")
have_library("gdbm", "dbm_open") or
have_library("db", "dbm_open") or
have_library("dbm", "dbm_open")
-if have_func("dbm_open")
+have_header("cdefs.h")
+if have_header("ndbm.h") and have_func("dbm_open")
have_func("dbm_clearerr")
create_makefile("dbm")
end