#! /bin/sh

# Yet another `+=' test.

. $srcdir/defs || exit 1

echo AC_PROG_CC >> configure.in

cat > Makefile.am << 'END'
bin_PROGRAMS = foo
CC += -Dwhatever
END

: > foo.c

$ACLOCAL || exit 1
$AUTOMAKE || exit 1
fgrep '@CC@ -Dwhatever' Makefile.in