Copied from Debian.

From: Rodeo
Origin: https://github.com/HandBrake/HandBrake/blob/master/contrib/a52dec/A04-modern-gcc-cflags.patch

--- a52dec-0.7.4/configure.in.orig
+++ a52dec-0.7.4/configure.in
@@ -34,11 +34,11 @@
     case "$host" in
     i?86-* | k?-*)
 	case "$host" in
-	i386-*) OPT_CFLAGS="$CFLAGS -mcpu=i386";;
-	i486-*) OPT_CFLAGS="$CFLAGS -mcpu=i486";;
-	i586-*) OPT_CFLAGS="$CFLAGS -mcpu=pentium";;
-	i686-*) OPT_CFLAGS="$CFLAGS -mcpu=pentiumpro";;
-	k6-*)   OPT_CFLAGS="$CFLAGS -mcpu=k6";;
+	i386-*) OPT_CFLAGS="$CFLAGS -mtune=i386";;
+	i486-*) OPT_CFLAGS="$CFLAGS -mtune=i486";;
+	i586-*) OPT_CFLAGS="$CFLAGS -mtune=pentium";;
+	i686-*) OPT_CFLAGS="$CFLAGS -mtune=pentiumpro";;
+	k6-*)   OPT_CFLAGS="$CFLAGS -mtune=k6";;
 	esac
 	AC_TRY_CFLAGS([$OPT_CFLAGS],[CFLAGS=$OPT_CFLAGS]);;
     sparc-* | sparc64-*)
tion>
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<tr><td><span title='2024-01-05 08:57:53 +0100'>2024-01-05</span></td><td><a href='/guix/commit/gnu/packages/tbb.scm?id=036d2fc88afb641a5765dd57308a8bd228c7575c'>gnu: python-tbb: Fix build.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/tbb.scm (python-tbb)[arguments]: Call "python setup.py install"
with "--root" argument.

Change-Id: I290c45f3d64c0bb6ec57a0e406132b4f42808eec
</span></span></td><td>Ricardo Wurmus</td></tr>
<tr><td><span title='2023-11-19 09:15:58 +0200'>2023-11-19</span></td><td><a href='/guix/commit/gnu/packages/tbb.scm?id=f7ef5a7f46b4131723014e80d48491cee58cbb9c'>gnu: tbb: Fix building on powerpc-linux.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/tbb.scm (tbb)[arguments]: Adjust configure-flags when
building for powerpc-linux to always link to libatomic and use the low
resources tests.  When building for powerpc-linux skip 3 tests.

Change-Id: I323db085db1fcbb33f96c2bccb85cb8f56d41f6b
</span></span></td><td>Efraim Flashner</td></tr>
<tr><td><span title='2023-11-15 17:14:19 +0200'>2023-11-15</span></td><td><a href='/guix/commit/gnu/packages/tbb.scm?id=7e6580670bc615d89d0216ebddfb6ba81feb0238'>gnu: tbb: Fix building on armhf-linux.</a><span class='msg-avail'>...<span class='msg-tooltip'>* gnu/packages/tbb.scm (tbb)[arguments]: Add configure-flag when
building for armhf-linux to run a lighter test suite.  Add a phase when
building for armhf-linux to skip a test.

Change-Id: Ic730c82f30357d3a55e92098114a9dc2a6d062e9
</span></span></td><td>Efraim Flashner</td></tr>