Bug#884798: lintian could complain about pkg-config uses that fail to use $ac_tool_prefix
On Fri, Dec 29, 2017 at 06:02:07PM -0500, James McCoy wrote:
> http://tirania.org/blog/archive/2012/Oct-20.html had some strong words
> to say about using pkg.m4. Are those concerns still valid? Should
> pkg.m4's macros be recommended or simply AC_PATH_TOOL?
That blog post looks like a misinformed user to me. The shell way he
recommends breaks cross compilation. I've never encountered the issue of
aclocal not substituting PKG_CHECK_MODULES as pkg.m4 is on the search
path once you install pkg-config. On Debian system you practically
cannot encounter the issue (as you will have pkg-config installed anyway
to use it). For other distributions, many source packages embed
(outdated) copies of pkg.m4. This is not great, but works.
In any case, using AC_PATH_TOOL fixes cross compilation. Just refrain
from using bare pkg-config.
Helmut
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