我想写一个configure.ac
文件来执行这些任务:如何基于PKG_CHECK_MODULES结果定义AM_CONDITIONAL和AC_DEFINE?
的
configure
脚本应该接受一个--with-libuv
参数。可变
with_libuv
应设置为yes
,no
或check
(与check
为默认值时,没有在命令行上传递)。当
with_libuv == "yes"
强制性PKG_CHECK_MODULES检查libuv >= 1.9.0
应该做,应该HAVE_LIBUV = 1
成功设置(在错误configure
应该退出)。当
with_libuv == "no"
什么需要检查,当
with_libuv == "false"
可选PKG_CHECK_MODULES检查(同一库中3)应做HAVE_LIBUV
应设置为0
或1
相应。如果
with_libuv != "no" && HAVE_LIBUV == 1
AC_DEFINE应该设置为-DUSE_LIBUV
并且AM_CONDITIONAL应该设置USE_LIBUV
作为automake的条件。如果不是
with_libuv != "no" && HAVE_LIBUV == 1
,则不应设置预处理器指令,并且应将AM_CONDITIONAL设置为0
。
我已经找到了如何做步骤1-5,但我有6个和7
这里struggeling是我当前的尝试:
AC_INIT(
[mumble-pluginbot-plusplus],
[0.5],
[https://github.com/promi/mumble-pluginbot-plusplus/issues],
[],
[https://github.com/promi/mumble-pluginbot-plusplus])
AC_CONFIG_MACRO_DIR([m4])
AM_INIT_AUTOMAKE([foreign])
AM_SILENT_RULES([yes])
AC_PROG_CXX
LT_INIT
# Make sure that pkg-config is installed!
# The PKG_CHECK_MODULES macro prints a horrible error message when
# pkg-config is not installed at autogen time.
#
# It is also required when the first PKG_CHECK_MODULES is inside a conditional
PKG_PROG_PKG_CONFIG
PKG_CHECK_MODULES(OPUS, [opus >= 1.1])
PKG_CHECK_MODULES(OPENSSL, [openssl])
PKG_CHECK_MODULES(PROTOBUF, [protobuf])
PKG_CHECK_MODULES(MPDCLIENT, [libmpdclient])
AC_ARG_WITH(
[libuv],
[AS_HELP_STRING([--with-libuv], [support efficient MPD status polling @<:@[email protected]:>@])],
[],
[with_libuv=check])
# if --with-libuv -> it must be installed
# elseif --without-libuv -> do nothing
# else -> check whether it is installed
AS_CASE(
["$with_libuv"],
[yes], [PKG_CHECK_MODULES(UV, [libuv >= 1.9.0], [HAVE_LIBUV=1])],
[no], [],
[PKG_CHECK_MODULES(UV, [libuv >= 1.9.0], [HAVE_LIBUV=1], [HAVE_LIBUV=0])])
if test "$with_libuv" != no -a "x$HAVE_LIBUV" -eq x1; then
AM_CONDITIONAL([USE_LIBUV], [1])
AC_DEFINE([USE_LIBUV], [1], [Define when libuv should be used.])
else
AM_CONDITIONAL([USE_LIBUV], [0])
fi
#AC_CONFIG_HEADERS([src/config.h])
AC_CONFIG_FILES([Makefile])
AC_OUTPUT
有问题的部分是这样的:
if test "$with_libuv" != no -a "x$HAVE_LIBUV" -eq x1; then
AM_CONDITIONAL([USE_LIBUV], [1])
AC_DEFINE([USE_LIBUV], [1], [Define when libuv should be used.])
else
AM_CONDITIONAL([USE_LIBUV], [0])
fi
下面是从配置输出的摘录:
checking pkg-config is at least version 0.9.0... yes
checking for OPUS... yes
checking for OPENSSL... yes
checking for PROTOBUF... yes
checking for MPDCLIENT... yes
checking for UV... yes
./configure: line 16467: test: x1: integer expression expected
./configure: line 16480: 0: command not found
checking that generated files are newer than configure... done
如何以实际工作的方式实施步骤6和7?
PKG_CHECK_MODULES失败时的默认操作已经中止脚本,但可能它更清晰。 – Promi