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Ignore -Wsign-conversion warnings when building with gcc. (#9192)

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Co-authored-by: Tom Seddon <tom@trlinux>
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Tom Seddon 2026-01-24 17:21:23 +00:00 • committed by GitHub
parent 2a08c87b8c
commit 08c777aeaa
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1
imgui.cpp
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@ -1294,6 +1294,7 @@ IMPLEMENTING SUPPORT for ImGuiBackendFlags_RendererHasTextures:
#pragma GCC diagnostic ignored "-Wstrict-overflow" // warning: assuming signed overflow does not occur when assuming that (X - c) > X is always false
#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
#pragma GCC diagnostic ignored "-Wsign-conversion" // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
#endif
// Debug options

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imgui_draw.cpp
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@ -82,6 +82,7 @@ Index of this file:
#pragma GCC diagnostic ignored "-Wstrict-overflow" // warning: assuming signed overflow does not occur when simplifying division / ..when changing X +- C1 cmp C2 to X cmp C2 -+ C1
#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
#pragma GCC diagnostic ignored "-Wsign-conversion" // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
#endif
//-------------------------------------------------------------------------

1
imgui_internal.h
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@ -106,6 +106,7 @@ Index of this file:
#pragma GCC diagnostic ignored "-Wfloat-equal" // warning: comparing floating-point with '==' or '!=' is unsafe
#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
#pragma GCC diagnostic ignored "-Wdeprecated-enum-enum-conversion" // warning: bitwise operation between different enumeration types ('XXXFlags_' and 'XXXFlagsPrivate_') is deprecated
#pragma GCC diagnostic ignored "-Wsign-conversion" // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
#endif
// In 1.89.4, we moved the implementation of "courtesy maths operators" from imgui_internal.h in imgui.h

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imgui_tables.cpp
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@ -240,6 +240,7 @@ Index of this file:
#pragma GCC diagnostic ignored "-Wformat" // warning: format '%p' expects argument of type 'int'/'void*', but argument X has type 'unsigned int'/'ImGuiWindow*'
#pragma GCC diagnostic ignored "-Wstrict-overflow"
#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
#pragma GCC diagnostic ignored "-Wsign-conversion" // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
#endif
//-----------------------------------------------------------------------------

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imgui_widgets.cpp
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@ -92,6 +92,7 @@ Index of this file:
#pragma GCC diagnostic ignored "-Wstrict-overflow" // warning: assuming signed overflow does not occur when simplifying division / ..when changing X +- C1 cmp C2 to X cmp C2 -+ C1
#pragma GCC diagnostic ignored "-Wclass-memaccess" // [__GNUC__ >= 8] warning: 'memset/memcpy' clearing/writing an object of type 'xxxx' with no trivial copy-assignment; use assignment or value-initialization instead
#pragma GCC diagnostic ignored "-Wcast-qual" // warning: cast from type 'const xxxx *' to type 'xxxx *' casts away qualifiers
#pragma GCC diagnostic ignored "-Wsign-conversion" // warning: conversion to 'xxxx' from 'xxxx' may change the sign of the result
#endif
//-------------------------------------------------------------------------