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-rw-r--r--libbutl/buildfile6
1 files changed, 6 insertions, 0 deletions
diff --git a/libbutl/buildfile b/libbutl/buildfile
index df21f48..5398f71 100644
--- a/libbutl/buildfile
+++ b/libbutl/buildfile
@@ -39,6 +39,12 @@ lib{butl}: cxx{uuid-macos}: include = ($tclass == 'macos')
lib{butl}: cxx{uuid-windows}: include = $windows
lib{butl}: cxx{uuid-freebsd}: include = ($tsys == 'freebsd' || $tsys == 'netbsd')
+# GCC prior to version 6 has flaky `#pragma GCC diagnostic` so we have to
+# disable certain warnings outright.
+#
+if ($cxx.id == 'gcc' && $cxx.version.major < 6)
+ cc.coptions += -Wno-unused-function
+
# Additional system libraries.
#
switch $tclass, $tsys