app-misc/fdutils: fix docs patch

We want to detect / respect CC_FOR_BUILD.

Signed-off-by: Sam James <sam@gentoo.org>

app-misc/fdutils/fdutils-5.6_p2.ebuild

@@ -5,6 +5,8 @@ EAPI=8
 
 MY_P=${PN}_5.6
 
+inherit autotools
+
 DESCRIPTION="Utilities for configuring and debugging the Linux floppy driver"
 HOMEPAGE="https://fdutils.linux.lu"
 SRC_URI="
@@ -23,6 +25,7 @@ DEPEND="${RDEPEND}
 "
 BDEPEND="
 	sys-apps/texinfo
+	sys-devel/autoconf-archive
 	doc? ( virtual/texi2dvi )
 "
 
@@ -37,10 +40,15 @@ src_prepare() {
 		"${FILESDIR}"/fdutils-5.6_p2-parallel.patch
 		"${FILESDIR}"/fdutils-5.6_p2-docs-build.patch
 	)
+
 	default
+
+	eautoreconf
 }
 
 src_configure() {
+	export CC_FOR_BUILD="$(tc-getBUILD_CC)"
+
 	econf --enable-fdmount-floppy-only
 }
 

app-misc/fdutils/files/fdutils-5.6_p2-docs-build.patch

@@ -1,28 +1,13 @@
-From 855e7727c06d6e61d0b1e3e34629de2cf0142a91 Mon Sep 17 00:00:00 2001
-From: Thomas Bracht Laumann Jespersen <t@laumann.xyz>
-Date: Wed, 2 Mar 2022 22:24:30 +0100
-Subject: [PATCH] doc: Replace CC_FOR_BUILD and EXEEXT_FOR_BUILD for building
- docs
-
----
- doc/Makefile.in | 4 ++--
- 1 file changed, 2 insertions(+), 2 deletions(-)
-
-diff --git a/doc/Makefile.in b/doc/Makefile.in
-index d94736f..d565359 100644
---- a/doc/Makefile.in
-+++ b/doc/Makefile.in
-@@ -37,8 +37,8 @@ INSTALL_INFO= @INSTALL_INFO@
- CC          = @CC@
- CPPFLAGS    = @CPPFLAGS@
- CFLAGS      = @CFLAGS@
--CC_FOR_BUILD     = @CC_FOR_BUILD@
--EXEEXT_FOR_BUILD = @EXEEXT_FOR_BUILD@
-+CC_FOR_BUILD     = $(CC)
-+EXEEXT_FOR_BUILD =
+Use modern autoconf-archive macro to ensure @CC_FOR_BUILD@ and such gets
+replaced in Makefiles.
+--- a/configure.in
++++ b/configure.in
+@@ -9,7 +9,7 @@ AC_PROG_CC
+ AC_PROG_GCC_TRADITIONAL
+ AC_PROG_INSTALL
+ AC_PROG_LN_S
+-AX_CC_FOR_BUILD
++AX_PROG_CC_FOR_BUILD
  
- all: info dvi
+ AC_PATH_PROG(INSTALL_INFO, install-info, "")
  
--- 
-2.34.1
-