kido@sparky ~/d/bgpq3 (master)> makepkg
==> Making package: bgpq3 0.1.35-2 (Sun Oct  4 16:06:03 2020)
==> Checking runtime dependencies...
==> Checking buildtime dependencies...
==> Retrieving sources...
  -> Downloading bgpq3-0.1.35.tar.gz...
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   119  100   119    0     0    676      0 --:--:-- --:--:-- --:--:--   672
100 87066    0 87066    0     0   136k      0 --:--:-- --:--:-- --:--:--  136k
  -> Found bgpq3_install_destdir_cppflags.patch
==> Validating source files with sha512sums...
    bgpq3-0.1.35.tar.gz ... Passed
    bgpq3_install_destdir_cppflags.patch ... Passed
==> Extracting sources...
  -> Extracting bgpq3-0.1.35.tar.gz with bsdtar
==> Starting prepare()...
patching file Makefile.in
Hunk #2 FAILED at 20.
1 out of 2 hunks FAILED -- saving rejects to file Makefile.in.rej
==> ERROR: A failure occurred in prepare().
    Aborting...
kido@sparky ~/d/bgpq3 (master) [4]> cat src/bgpq3-0.1.35/Makefile.in.rej
--- Makefile.in
+++ Makefile.in
@@ -20,20 +20,18 @@ SRCS=bgpq3.c sx_report.c bgpq_expander.c sx_slentry.c bgpq3_printer.c \
 all: bgpq3

 bgpq3: ${OBJECTS}
-       ${CC} ${CFLAGS} -o bgpq3 ${OBJECTS} ${LDADD}
+       ${CC} ${CFLAGS} ${CPPFLAGS} -o bgpq3 ${OBJECTS} ${LDADD}

 .c.o:
-       ${CC} ${CFLAGS} -c $<
+       ${CC} ${CFLAGS} ${CPPFLAGS} -c $<

 clean:
        rm -rf Makefile autom4te.cache bgpq3 config.h config.log config.status
        rm -rf *.o *.core core.* core

 install: bgpq3
-       if test ! -d @bindir@ ; then mkdir -p @bindir@ ; fi
-       ${INSTALL} -c -s -m 755 bgpq3 @bindir@
-       if test ! -d @mandir@/man8 ; then mkdir -p @mandir@/man8 ; fi
-       ${INSTALL} -m 644 bgpq3.8 @mandir@/man8
+       ${INSTALL} -D -c -s -m 755 bgpq3 ${DESTDIR}@bindir@/bgpq3/bgpq3
+       ${INSTALL} -D -m 644 bgpq3.8 ${DESTDIR}@mandir@/man8/bgpq3.8

 depend:
        makedepend -- $(CFLAGS) -- $(SRCS)