include.test

LINUX下的源码工具,可自己分析,或者直接装在系统上作为应用

#! /bin/sh

# Test to make sure header vars defined only once when including.
# Report from Marcus G. Daniels.

. $srcdir/defs || exit 1

cat > Makefile.am << 'END'
include foo
END

: > foo

$AUTOMAKE || exit 1
len="`grep '^srcdir' Makefile.in | wc -l`"
echo "len = $len"
test $len -eq 1