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Diffstat (limited to 'src/backend/utils/adt/float.c')
-rw-r--r--src/backend/utils/adt/float.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/src/backend/utils/adt/float.c b/src/backend/utils/adt/float.c
index cbbb8aecafc..f709c21e1fe 100644
--- a/src/backend/utils/adt/float.c
+++ b/src/backend/utils/adt/float.c
@@ -55,7 +55,15 @@ static float8 cot_45 = 0;
* be referenced by other files, much less changed; but we don't want the
* compiler to know that, else it might try to precompute expressions
* involving them. See comments for init_degree_constants().
- */
+ *
+ * The additional extern declarations are to silence
+ * -Wmissing-variable-declarations.
+ */
+extern float8 degree_c_thirty;
+extern float8 degree_c_forty_five;
+extern float8 degree_c_sixty;
+extern float8 degree_c_one_half;
+extern float8 degree_c_one;
float8 degree_c_thirty = 30.0;
float8 degree_c_forty_five = 45.0;
float8 degree_c_sixty = 60.0;