commit:     7bc023597be06c8b4eaa6a9f5ee8bf9347f0a4a7
Author:     orbea <orbea <AT> riseup <DOT> net>
AuthorDate: Sun Oct 20 16:38:36 2024 +0000
Commit:     Eli Schwartz <eschwartz <AT> gentoo <DOT> org>
CommitDate: Tue Nov 26 05:03:32 2024 +0000
URL:        https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=7bc02359

games-emulation/rmg: fix -Wstrict-aliasing warnings

Upstream-Issue: https://github.com/gonetz/GLideN64/issues/2877
Upstream-PR: https://github.com/gonetz/GLideN64/pull/2884
Upstream-Commit: 
https://github.com/gonetz/GLideN64/commit/a1320da566c03503ea755447458bb2b79a610cb5
Upstream-Commit: 
https://github.com/Rosalie241/RMG/commit/e68483fce2a977c07fee38e1d8d8f8dc22bb6072
Signed-off-by: orbea <orbea <AT> riseup.net>
Closes: https://github.com/gentoo/gentoo/pull/39058
Signed-off-by: Eli Schwartz <eschwartz <AT> gentoo.org>

 ...upen64plus-video-GLideN64-strict-aliasing.patch | 207 +++++++++++++++++++++
 .../rmg/{rmg-9999.ebuild => rmg-0.6.6-r2.ebuild}   |  15 +-
 games-emulation/rmg/rmg-9999.ebuild                |   9 +-
 3 files changed, 215 insertions(+), 16 deletions(-)

diff --git 
a/games-emulation/rmg/files/rmg-0.6.6-mupen64plus-video-GLideN64-strict-aliasing.patch
 
b/games-emulation/rmg/files/rmg-0.6.6-mupen64plus-video-GLideN64-strict-aliasing.patch
new file mode 100644
index 000000000000..4b8686a69021
--- /dev/null
+++ 
b/games-emulation/rmg/files/rmg-0.6.6-mupen64plus-video-GLideN64-strict-aliasing.patch
@@ -0,0 +1,207 @@
+https://github.com/gonetz/GLideN64/issues/2877
+https://github.com/gonetz/GLideN64/pull/2884
+https://github.com/gonetz/GLideN64/commit/a1320da566c03503ea755447458bb2b79a610cb5
+https://github.com/Rosalie241/RMG/commit/e68483fce2a977c07fee38e1d8d8f8dc22bb6072
+
+From a1320da566c03503ea755447458bb2b79a610cb5 Mon Sep 17 00:00:00 2001
+From: Sergey Lipskiy <[email protected]>
+Date: Sat, 19 Oct 2024 16:18:29 +0700
+Subject: [PATCH] Fix -Wstrict-aliasing warnings
+
+---
+ Source/3rdParty/mupen64plus-video-GLideN64/src/Textures.cpp | 56 
++++++++++++++++++++++++------------------------
+ 1 file changed, 28 insertions(+), 28 deletions(-)
+
+diff --git a/Source/3rdParty/mupen64plus-video-GLideN64/src/Textures.cpp 
b/Source/3rdParty/mupen64plus-video-GLideN64/src/Textures.cpp
+index 4739ec31c..22edf608d 100644
+--- a/Source/3rdParty/mupen64plus-video-GLideN64/src/Textures.cpp
++++ b/Source/3rdParty/mupen64plus-video-GLideN64/src/Textures.cpp
+@@ -52,9 +52,9 @@ u32 GetCI4IA_RGBA4444(u16 offset, u16 x, u16 i, u8 palette)
+       const u8 color4B = Get4BitPaletteColor(offset, x, i);
+ 
+       if (x & 1)
+-              return IA88_RGBA4444(*(u16*)&TMEM[(0x100 + (palette << 4) + 
(color4B & 0x0F)) & 0x1FF]);
++              return IA88_RGBA4444(static_cast<u16>(TMEM[(0x100 + (palette << 
4) + (color4B & 0x0F)) & 0x1FF] & 0xFFFF));
+       else
+-              return IA88_RGBA4444(*(u16*)&TMEM[(0x100 + (palette << 4) + 
(color4B >> 4)) & 0x1FF]);
++              return IA88_RGBA4444(static_cast<u16>(TMEM[(0x100 + (palette << 
4) + (color4B >> 4)) & 0x1FF] & 0xFFFF));
+ }
+ 
+ u32 GetCI4IA_RGBA8888(u16 offset, u16 x, u16 i, u8 palette)
+@@ -62,9 +62,9 @@ u32 GetCI4IA_RGBA8888(u16 offset, u16 x, u16 i, u8 palette)
+       const u8 color4B = Get4BitPaletteColor(offset, x, i);
+ 
+       if (x & 1)
+-              return IA88_RGBA8888(*(u16*)&TMEM[(0x100 + (palette << 4) + 
(color4B & 0x0F)) & 0x1FF]);
++              return IA88_RGBA8888(static_cast<u16>(TMEM[(0x100 + (palette << 
4) + (color4B & 0x0F)) & 0x1FF] & 0xFFFF));
+       else
+-              return IA88_RGBA8888(*(u16*)&TMEM[(0x100 + (palette << 4) + 
(color4B >> 4)) & 0x1FF]);
++              return IA88_RGBA8888(static_cast<u16>(TMEM[(0x100 + (palette << 
4) + (color4B >> 4)) & 0x1FF] & 0xFFFF));
+ }
+ 
+ u32 GetCI4RGBA_RGBA5551(u16 offset, u16 x, u16 i, u8 palette)
+@@ -72,9 +72,9 @@ u32 GetCI4RGBA_RGBA5551(u16 offset, u16 x, u16 i, u8 palette)
+       const u8 color4B = Get4BitPaletteColor(offset, x, i);
+ 
+       if (x & 1)
+-              return RGBA5551_RGBA5551(*(u16*)&TMEM[(0x100 + (palette << 4) + 
(color4B & 0x0F)) & 0x1FF]);
++              return RGBA5551_RGBA5551(static_cast<u16>(TMEM[(0x100 + 
(palette << 4) + (color4B & 0x0F)) & 0x1FF] & 0xFFFF));
+       else
+-              return RGBA5551_RGBA5551(*(u16*)&TMEM[(0x100 + (palette << 4) + 
(color4B >> 4)) & 0x1FF]);
++              return RGBA5551_RGBA5551(static_cast<u16>(TMEM[(0x100 + 
(palette << 4) + (color4B >> 4)) & 0x1FF] & 0xFFFF));
+ }
+ 
+ u32 GetCI4RGBA_RGBA8888(u16 offset, u16 x, u16 i, u8 palette)
+@@ -82,9 +82,9 @@ u32 GetCI4RGBA_RGBA8888(u16 offset, u16 x, u16 i, u8 palette)
+       const u8 color4B = Get4BitPaletteColor(offset, x, i);
+ 
+       if (x & 1)
+-              return RGBA5551_RGBA8888(*(u16*)&TMEM[(0x100 + (palette << 4) + 
(color4B & 0x0F)) & 0x1FF]);
++              return RGBA5551_RGBA8888(static_cast<u16>(TMEM[(0x100 + 
(palette << 4) + (color4B & 0x0F)) & 0x1FF] & 0xFFFF));
+       else
+-              return RGBA5551_RGBA8888(*(u16*)&TMEM[(0x100 + (palette << 4) + 
(color4B >> 4)) & 0x1FF]);
++              return RGBA5551_RGBA8888(static_cast<u16>(TMEM[(0x100 + 
(palette << 4) + (color4B >> 4)) & 0x1FF] & 0xFFFF));
+ }
+ 
+ u32 GetIA31_RGBA8888(u16 offset, u16 x, u16 i, u8 palette)
+@@ -120,25 +120,25 @@ inline u8 Get8BitPaletteColor(u16 offset, u16 x, u16 i)
+ u32 GetCI8IA_RGBA4444(u16 offset, u16 x, u16 i, u8 palette)
+ {
+       const u8 color = Get8BitPaletteColor(offset, x, i);
+-      return IA88_RGBA4444(*(u16*)&TMEM[(0x100 + color) & 0x1FF]);
++      return IA88_RGBA4444(static_cast<u16>(TMEM[(0x100 + color) & 0x1FF] & 
0xFFFF));
+ }
+ 
+ u32 GetCI8IA_RGBA8888(u16 offset, u16 x, u16 i, u8 palette)
+ {
+       const u8 color = Get8BitPaletteColor(offset, x, i);
+-      return IA88_RGBA8888(*(u16*)&TMEM[(0x100 + color) & 0x1FF]);
++      return IA88_RGBA8888(static_cast<u16>(TMEM[(0x100 + color) & 0x1FF] & 
0xFFFF));
+ }
+ 
+ u32 GetCI8RGBA_RGBA5551(u16 offset, u16 x, u16 i, u8 palette)
+ {
+       const u8 color = Get8BitPaletteColor(offset, x, i);
+-      return RGBA5551_RGBA5551(*(u16*)&TMEM[(0x100 + color) & 0x1FF]);
++      return RGBA5551_RGBA5551(static_cast<u16>(TMEM[(0x100 + color) & 0x1FF] 
& 0xFFFF));
+ }
+ 
+ u32 GetCI8RGBA_RGBA8888(u16 offset, u16 x, u16 i, u8 palette)
+ {
+       const u8 color = Get8BitPaletteColor(offset, x, i);
+-      return RGBA5551_RGBA8888(*(u16*)&TMEM[(0x100 + color) & 0x1FF]);
++      return RGBA5551_RGBA8888(static_cast<u16>(TMEM[(0x100 + color) & 0x1FF] 
& 0xFFFF));
+ }
+ 
+ u32 GetIA44_RGBA8888(u16 offset, u16 x, u16 i, u8 palette)
+@@ -193,7 +193,7 @@ u32 GetI16_RGBA4444(u16 offset, u16 x, u16 i, u8 palette)
+ u32 GetCI16IA_RGBA8888(u16 offset, u16 x, u16 i, u8 palette)
+ {
+       const u16 tex = Get16BitColor(offset, x, i);
+-      const u16 col = (*(u16*)&TMEM[0x100 + (tex & 0xFF)]);
++      const u16 col = (static_cast<u16>(TMEM[0x100 + (tex & 0xFF)] & 0xFFFF));
+       const u16 c = col >> 8;
+       const u16 a = col & 0xFF;
+       return (a << 24) | (c << 16) | (c << 8) | c;
+@@ -202,7 +202,7 @@ u32 GetCI16IA_RGBA8888(u16 offset, u16 x, u16 i, u8 
palette)
+ u32 GetCI16IA_RGBA4444(u16 offset, u16 x, u16 i, u8 palette)
+ {
+       const u16 tex = Get16BitColor(offset, x, i);
+-      const u16 col = (*(u16*)&TMEM[0x100 + (tex & 0xFF)]);
++      const u16 col = (static_cast<u16>(TMEM[0x100 + (tex & 0xFF)] & 0xFFFF));
+       const u16 c = col >> 12;
+       const u16 a = col & 0x0F;
+       return (a << 12) | (c << 8) | (c << 4) | c;
+@@ -303,9 +303,9 @@ u32 GetCI4IA_RGBA4444_BG(u64 *src, u16 x, u16 i, u8 
palette)
+       u8 color4B = ((u8*)src)[(x >> 1) ^ (i << 1)];
+ 
+       if (x & 1)
+-              return IA88_RGBA4444(*(u16*)&TMEM[256 + (palette << 4) + 
(color4B & 0x0F)]);
++              return IA88_RGBA4444(static_cast<u16>(TMEM[256 + (palette << 4) 
+ (color4B & 0x0F)] & 0xFFFF));
+       else
+-              return IA88_RGBA4444(*(u16*)&TMEM[256 + (palette << 4) + 
(color4B >> 4)]);
++              return IA88_RGBA4444(static_cast<u16>(TMEM[256 + (palette << 4) 
+ (color4B >> 4)] & 0xFFFF));
+ }
+ 
+ u32 GetCI4IA_RGBA8888_BG(u64 *src, u16 x, u16 i, u8 palette)
+@@ -313,9 +313,9 @@ u32 GetCI4IA_RGBA8888_BG(u64 *src, u16 x, u16 i, u8 
palette)
+       u8 color4B = ((u8*)src)[(x >> 1) ^ (i << 1)];
+ 
+       if (x & 1)
+-              return IA88_RGBA8888(*(u16*)&TMEM[256 + (palette << 4) + 
(color4B & 0x0F)]);
++              return IA88_RGBA8888(static_cast<u16>(TMEM[256 + (palette << 4) 
+ (color4B & 0x0F)] & 0xFFFF));
+       else
+-              return IA88_RGBA8888(*(u16*)&TMEM[256 + (palette << 4) + 
(color4B >> 4)]);
++              return IA88_RGBA8888(static_cast<u16>(TMEM[256 + (palette << 4) 
+ (color4B >> 4)] & 0xFFFF));
+ }
+ 
+ u32 GetCI4RGBA_RGBA5551_BG(u64 *src, u16 x, u16 i, u8 palette)
+@@ -323,9 +323,9 @@ u32 GetCI4RGBA_RGBA5551_BG(u64 *src, u16 x, u16 i, u8 
palette)
+       u8 color4B = ((u8*)src)[(x >> 1) ^ (i << 1)];
+ 
+       if (x & 1)
+-              return RGBA5551_RGBA5551(*(u16*)&TMEM[256 + (palette << 4) + 
(color4B & 0x0F)]);
++              return RGBA5551_RGBA5551(static_cast<u16>(TMEM[256 + (palette 
<< 4) + (color4B & 0x0F)] & 0xFFFF));
+       else
+-              return RGBA5551_RGBA5551(*(u16*)&TMEM[256 + (palette << 4) + 
(color4B >> 4)]);
++              return RGBA5551_RGBA5551(static_cast<u16>(TMEM[256 + (palette 
<< 4) + (color4B >> 4)] & 0xFFFF));
+ }
+ 
+ u32 GetCI4RGBA_RGBA8888_BG(u64 *src, u16 x, u16 i, u8 palette)
+@@ -333,9 +333,9 @@ u32 GetCI4RGBA_RGBA8888_BG(u64 *src, u16 x, u16 i, u8 
palette)
+       u8 color4B = ((u8*)src)[(x >> 1) ^ (i << 1)];
+ 
+       if (x & 1)
+-              return RGBA5551_RGBA8888(*(u16*)&TMEM[256 + (palette << 4) + 
(color4B & 0x0F)]);
++              return RGBA5551_RGBA8888(static_cast<u16>(TMEM[256 + (palette 
<< 4) + (color4B & 0x0F)] & 0xFFFF));
+       else
+-              return RGBA5551_RGBA8888(*(u16*)&TMEM[256 + (palette << 4) + 
(color4B >> 4)]);
++              return RGBA5551_RGBA8888(static_cast<u16>(TMEM[256 + (palette 
<< 4) + (color4B >> 4)] & 0xFFFF));
+ }
+ 
+ u32 GetIA31_RGBA8888_BG(u64 *src, u16 x, u16 i, u8 palette)
+@@ -368,22 +368,22 @@ u32 GetI4_RGBA4444_BG(u64 *src, u16 x, u16 i, u8 palette)
+ 
+ u32 GetCI8IA_RGBA4444_BG(u64 *src, u16 x, u16 i, u8 palette)
+ {
+-      return IA88_RGBA4444(*(u16*)&TMEM[256 + ((u8*)src)[x ^ (i << 1)]]);
++      return IA88_RGBA4444(static_cast<u16>(TMEM[256 + ((u8*)src)[x ^ (i << 
1)]] & 0xFFFF));
+ }
+ 
+ u32 GetCI8IA_RGBA8888_BG(u64 *src, u16 x, u16 i, u8 palette)
+ {
+-      return IA88_RGBA8888(*(u16*)&TMEM[256 + ((u8*)src)[x ^ (i << 1)]]);
++      return IA88_RGBA8888(static_cast<u16>(TMEM[256 + ((u8*)src)[x ^ (i << 
1)]] & 0xFFFF));
+ }
+ 
+ u32 GetCI8RGBA_RGBA5551_BG(u64 *src, u16 x, u16 i, u8 palette)
+ {
+-      return RGBA5551_RGBA5551(*(u16*)&TMEM[256 + ((u8*)src)[x ^ (i << 1)]]);
++      return RGBA5551_RGBA5551(static_cast<u16>(TMEM[256 + ((u8*)src)[x ^ (i 
<< 1)]] & 0xFFFF));
+ }
+ 
+ u32 GetCI8RGBA_RGBA8888_BG(u64 *src, u16 x, u16 i, u8 palette)
+ {
+-      return RGBA5551_RGBA8888(*(u16*)&TMEM[256 + ((u8*)src)[x ^ (i << 1)]]);
++      return RGBA5551_RGBA8888(static_cast<u16>(TMEM[256 + ((u8*)src)[x ^ (i 
<< 1)]] & 0xFFFF));
+ }
+ 
+ u32 GetIA44_RGBA8888_BG(u64 *src, u16 x, u16 i, u8 palette)
+@@ -429,7 +429,7 @@ u32 GetI16_RGBA4444_BG(u64 *src, u16 x, u16 i, u8 palette)
+ u32 GetCI16IA_RGBA8888_BG(u64 *src, u16 x, u16 i, u8 palette)
+ {
+       const u16 tex = ((u16*)src)[x^i];
+-      const u16 col = (*(u16*)&TMEM[256 + (tex & 0xFF)]);
++      const u16 col = (static_cast<u16>(TMEM[256 + (tex & 0xFF)] & 0xFFFF));
+       const u16 c = col >> 8;
+       const u16 a = col & 0xFF;
+       return (a << 24) | (c << 16) | (c << 8) | c;
+@@ -438,7 +438,7 @@ u32 GetCI16IA_RGBA8888_BG(u64 *src, u16 x, u16 i, u8 
palette)
+ u32 GetCI16IA_RGBA4444_BG(u64 *src, u16 x, u16 i, u8 palette)
+ {
+       const u16 tex = ((u16*)src)[x^i];
+-      const u16 col = (*(u16*)&TMEM[256 + (tex & 0xFF)]);
++      const u16 col = (static_cast<u16>(TMEM[256 + (tex & 0xFF)] & 0xFFFF));
+       const u16 c = col >> 12;
+       const u16 a = col & 0x0F;
+       return (a << 12) | (c << 8) | (c << 4) | c;

diff --git a/games-emulation/rmg/rmg-9999.ebuild 
b/games-emulation/rmg/rmg-0.6.6-r2.ebuild
similarity index 90%
copy from games-emulation/rmg/rmg-9999.ebuild
copy to games-emulation/rmg/rmg-0.6.6-r2.ebuild
index bd56ccdd299f..a4725fab7f32 100644
--- a/games-emulation/rmg/rmg-9999.ebuild
+++ b/games-emulation/rmg/rmg-0.6.6-r2.ebuild
@@ -27,7 +27,7 @@ CRATES="
        [email protected]
 "
 
-inherit cargo cmake flag-o-matic toolchain-funcs xdg
+inherit cargo cmake toolchain-funcs xdg
 
 MY_PN="${PN^^}"
 MY_P="${MY_PN}-${PV}"
@@ -76,6 +76,12 @@ BDEPEND="
 
 PATCHES=(
        "${FILESDIR}"/${PN}-0.5.6-parallel-rdp-standalone-musl.patch
+       # Use pkg-config(1) for SDL2 and don't depend on which(1)
+       "${FILESDIR}"/${P}-mupen64plus-core-sdl-pkgconfig.patch
+       # https://bugs.gentoo.org/941889
+       "${FILESDIR}"/${P}-mupen64plus-input-raphnetraw-pkgconfig.patch
+       # https://github.com/gonetz/GLideN64/issues/2877
+       "${FILESDIR}"/${P}-mupen64plus-video-GLideN64-strict-aliasing.patch
 )
 
 pkg_setup() {
@@ -118,13 +124,6 @@ src_prepare() {
 }
 
 src_configure() {
-       # -Werror=strict-aliasing
-       # https://github.com/gonetz/GLideN64/issues/2877
-       #
-       # Disable strict-aliasing until its handled upstream.
-       append-flags -fno-strict-aliasing
-       filter-lto
-
        export PKG_CONFIG="$(tc-getPKG_CONFIG)"
        export PKG_CONFIG_ALLOW_CROSS=1
 

diff --git a/games-emulation/rmg/rmg-9999.ebuild 
b/games-emulation/rmg/rmg-9999.ebuild
index bd56ccdd299f..090054fff76d 100644
--- a/games-emulation/rmg/rmg-9999.ebuild
+++ b/games-emulation/rmg/rmg-9999.ebuild
@@ -27,7 +27,7 @@ CRATES="
        [email protected]
 "
 
-inherit cargo cmake flag-o-matic toolchain-funcs xdg
+inherit cargo cmake toolchain-funcs xdg
 
 MY_PN="${PN^^}"
 MY_P="${MY_PN}-${PV}"
@@ -118,13 +118,6 @@ src_prepare() {
 }
 
 src_configure() {
-       # -Werror=strict-aliasing
-       # https://github.com/gonetz/GLideN64/issues/2877
-       #
-       # Disable strict-aliasing until its handled upstream.
-       append-flags -fno-strict-aliasing
-       filter-lto
-
        export PKG_CONFIG="$(tc-getPKG_CONFIG)"
        export PKG_CONFIG_ALLOW_CROSS=1
 

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