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Fix -Wmissing-variable-declarations warnings for float.c special case

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This adds extern declarations for the global variables defined in
float.c but not meant for external use.  This is a workaround to be
able to add -Wmissing-variable-declarations to the global set of
warning options in the near future.

Reviewed-by: Andres Freund <andres@anarazel.de>
Discussion: https://www.postgresql.org/message-id/flat/e0a62134-83da-4ba4-8cdb-ceb0111c95ce@eisentraut.org
This commit is contained in:
Peter Eisentraut 2024-07-24 06:21:40 +02:00
parent ab61c40bfa
commit 37c6923cf3
1 changed files with 8 additions and 0 deletions
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8
src/backend/utils/adt/float.c
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@ -55,7 +55,15 @@ static float8 cot_45 = 0;
* be referenced by other files, much less changed; but we don't want the * 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 * compiler to know that, else it might try to precompute expressions
* involving them. See comments for init_degree_constants(). * 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_thirty = 30.0;
float8 degree_c_forty_five = 45.0; float8 degree_c_forty_five = 45.0;
float8 degree_c_sixty = 60.0; float8 degree_c_sixty = 60.0;