app-misc/pipeworks: update EAPI 6 -> 8

Signed-off-by: David Seifert <soap@gentoo.org>

app-misc/pipeworks/files/pipeworks-0.4-makefile.patch

@@ -0,0 +1,26 @@
+--- a/Makefile
++++ b/Makefile
+@@ -18,21 +18,11 @@
+ #    along with pipeworks; if not, write to the Free Software
+ #    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ 
+-CC= gcc -Wall
++CFLAGS += -Wall
+ 
+ all:  pipeworks
+ 
+-filesize.o:  Makefile filesize.h filesize.c
+-	$(CC) -c -o filesize.o filesize.c
+-
+-timemanip.o:  Makefile timemanip.h timemanip.c
+-	$(CC) -c -o timemanip.o timemanip.c
+-
+-pipeworks.o:  Makefile pipeworks.c filesize.h
+-	$(CC) -c -o pipeworks.o pipeworks.c
+-
+-pipeworks:  pipeworks.o filesize.o timemanip.o
+-	$(CC) -o pipeworks pipeworks.o filesize.o timemanip.o
++pipeworks: filesize.o timemanip.o
+ 
+ clean:
+ 	rm -f *.o *~ pipeworks

app-misc/pipeworks/pipeworks-0.4-r2.ebuild

@@ -1,7 +1,7 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2022 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
-EAPI=6
+EAPI=8
 
 inherit toolchain-funcs
 
@@ -12,13 +12,11 @@ SRC_URI="mirror://sourceforge/pipeworks/${P}.tar.gz"
 LICENSE="GPL-2"
 SLOT="0"
 KEYWORDS="amd64 ppc x86 ~amd64-linux ~x86-linux ~ppc-macos"
-IUSE=""
 
-RDEPEND=""
-DEPEND="${RDEPEND}"
+PATCHES=( "${FILESDIR}"/${P}-makefile.patch )
 
-src_compile() {
-	emake CC="$(tc-getCC) ${CFLAGS} ${LDFLAGS}"
+src_configure() {
+	tc-export CC
 }
 
 src_install() {