Hi there,

the acinclude.m4 file contains the macro CURL_CHECK_PKGCONFIG to check
for installed libraries. The macro also searches for the pkg-config to
use by calling

AC_PATH_TOOL( PKGCONFIG, pkg-config, no, $PATH:/usr/bin:/usr/local/bin)

Before calling AC_PATH_TOOL, the macro explicitly sets

PKGCONFIG="no"

That means a user can not overwrite the result of AC_PATH_TOOL by simply
setting PKGCONFIG. I think such an overwrite feature is common, and I
don't see a good reason for the

PKGCONFIG="no"

line. You might want to simply remove it.

Currently the only way to use a special pkg-config is either using the
PATH - which might draw in many mire unwanted binaries, or set
ac_cv_path_PKGCONFIG, which is likely beyond knowledge of most builders.

Regards,

Rainer
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Received on 2015-10-10