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-*)
cripts'>koszko-scripts</option>
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<div class='path'>path: <a href='/guix/log/?id=8eadc552029a6ec6385d28aaa687f0208aad26c3'>root</a>/<a href='/guix/log/build-aux?id=8eadc552029a6ec6385d28aaa687f0208aad26c3'>build-aux</a>/<a href='/guix/log/build-aux/update-guix-package.scm?id=8eadc552029a6ec6385d28aaa687f0208aad26c3'>update-guix-package.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/build-aux/update-guix-package.scm?id=8eadc552029a6ec6385d28aaa687f0208aad26c3&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2017-05-09 12:58:42 +0200'>2017-05-09</span></td><td><a href='/guix/commit/build-aux/update-guix-package.scm?id=aa1c3a0000793873ef31f33f8aa90f5ae1ab8b8d'>maint: update-guix-package: Protect the checkout from GC.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/update-guix-package.scm (main): Define 'root', and call
'add-indirect-root' to protect SOURCE from GC.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2017-05-07 00:18:36 +0200'>2017-05-07</span></td><td><a href='/guix/commit/build-aux/update-guix-package.scm?id=94fa8d76163bd08e6f680dc300b551f36415687e'>maint: Add 'update-guix-package' target.</a><span class='msg-avail'>...<span class='msg-tooltip'>* build-aux/update-guix-package.scm: New file.
* Makefile.am (EXTRA_DIST): Add it.
(update-guix-package): New target.
(.PHONY): Add it.
* gnu/packages/package-management.scm (guix): Mention it.
</span></span></td><td>Ludovic Courtès</td></tr>