testincl

来自「Util-linux 软件包包含许多工具。其中比较重要的是加载、卸载、格式化、分」· 代码 · 共 32 行

#!/bin/sh
#
# call:
#	COMPILE=...; export COMPILE
#	if ./testincl [-q] "foo.h" ...
#
echo=echo
case $1 in -q)
    echo=":"
    shift
    ;;
esac
IFILE="<$1>"

echo "
#include $IFILE
main(){ exit(0); }
" > conftest.c
eval $COMPILE
# Brian Murphy asks not to run conftest since that fails on cross-compilation.
# Maybe just testing for the existence of conftest suffices.
# if test -s conftest && ./conftest 2>/dev/null; then
if test -s conftest 2>/dev/null; then
	res=0
	$echo "You have $IFILE"
else
        res=1
	$echo "You don't have $IFILE"
fi
rm -f conftest conftest.c
exit $res