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-rw-r--r--odb/mysql/makefile2
1 files changed, 1 insertions, 1 deletions
diff --git a/odb/mysql/makefile b/odb/mysql/makefile
index 9644536..2e6d5ad 100644
--- a/odb/mysql/makefile
+++ b/odb/mysql/makefile
@@ -71,7 +71,7 @@ $(gen): cli_options += \
--cli-namespace odb::mysql::details::cli \
--guard-prefix LIBODB_MYSQL_DETAILS
-$(out_base)/details/config.h:
+$(out_base)/details/config.h: | $(out_base)/details/.
@echo '/* file : odb/mysql/details/config.h' >$@
@echo ' * author : automatically generated' >>$@
@echo ' */' >>$@