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-rw-r--r--CMakeLists.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/CMakeLists.txt b/CMakeLists.txt
index ecfa5ed1d..3607bba2b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -68,6 +68,7 @@ add_optional_compile_options(Wmissing-include-dirs)
add_optional_compile_options(Wnoexcept)
add_optional_compile_options(Wsign-promo)
add_optional_compile_options(Wundef)
+add_optional_compile_options(Wdouble-promotion)
# apt-ftparchive dependencies
find_package(BerkeleyDB REQUIRED)