由“make dist”复制但未由“make distcheck”复制的文件
在使用 GNU Autotools 构建的项目中，我有一个脚本需要通过 make 修改以包含安装路径。这是一个小例子：
configure.ac:
AC_INIT(foobar, 1.0)
AC_PREREQ(2.66)
AC_CONFIG_HEADERS(config.h)
AM_INIT_AUTOMAKE(foreign)
AC_CONFIG_FILES([Makefile blah/Makefile])
AC_OUTPUT
Makefile.am:
SUBDIRS = blah
blah/Makefile.am:
all: myscript
myscript: myscript.in
sed -e 's,@datadir\@,$(pkgdatadir),g' myscript.in > myscript
chmod +x myscript
EXTRA_DIST = myscript.in
./configure; make 成功创建 myscript。 make dist 同上；焦油 xvzf foobar-1.0.tar.gz; cd foobar-1.0; ./配置；制作。但是，make distcheck 失败，因为文件 myscript.in 丢失（但使用 make dist 已成功复制）。
任何想法为什么文件 myscript.in 没有被 make distcheck 复制？
In a project built with GNU Autotools, I have a script that needs to modified by make to contain the installation path. Here's a small example:
configure.ac:
AC_INIT(foobar, 1.0)
AC_PREREQ(2.66)
AC_CONFIG_HEADERS(config.h)
AM_INIT_AUTOMAKE(foreign)
AC_CONFIG_FILES([Makefile blah/Makefile])
AC_OUTPUT
Makefile.am:
SUBDIRS = blah
blah/Makefile.am:
all: myscript
myscript: myscript.in
sed -e 's,@datadir\@,$(pkgdatadir),g' myscript.in > myscript
chmod +x myscript
EXTRA_DIST = myscript.in
./configure; make successfully creates myscript. Ditto for make dist; tar xvzf foobar-1.0.tar.gz; cd foobar-1.0; ./configure; make. However, make distcheck fails because the file myscript.in is missing (but it is copied successfully with make dist).
Any ideas why the file myscript.in is not being copied by make distcheck?
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myscript.in 位于发行版 tarball 中，但 make distcheck 会进行 VPATH 构建，其中 configure 从不同的目录运行。例如，它不是“./configure”，而是执行类似于“mkdir build-dir; cd build-dir; /path/to/configure;”的操作在 Makefile.am 中，您需要将 myscript 规则和依赖行中的“myscript.in”实例替换为“$(srcdir)/myscript.in”
myscript.in is in the distribution tarball, but make distcheck does a VPATH build in which configure is run from a different directory. eg, instead of "./configure", it is doing something akin to "mkdir build-dir; cd build-dir; /path/to/configure;" In Makefile.am, you need to replace instances of "myscript.in" in the myscript rule and dependency line with "$(srcdir)/myscript.in"