Wireshark-bugs: [Wireshark-bugs] [Bug 8634] New: ./configure --without-gnutls --with-libnl : con
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From: bugzilla-daemon@xxxxxxxxxxxxx
Date: Wed, 08 May 2013 01:07:03 +0000
Bug ID 8634
Summary ./configure --without-gnutls --with-libnl : configure:17437: error: "I couldn't find libnl even though you manually enabled it."
Classification Unclassified
Product Wireshark
Version 1.10.0
Hardware All
OS All
Status UNCONFIRMED
Severity Major
Priority Low
Component Wireshark
Assignee bugzilla-admin@wireshark.org
Reporter jer@gentoo.org 

Created attachment 10728 [details]
Call PKG_PROG_PKG_CONFIG in configure.ac

Build Information:
n/a
--
The problem is that PKG_PROG_PKG_CONFIG is only expanded once, so if you call
it PKG_CHECK_MODULES conditionally the first time, as pkg.m4 helpfully
explains, you have to explicitly invoke PKG_PROG_PKG_CONFIG before using
PKG_CHECK_MODULES.

So if you run ./configure --without-gnutls --with-libnl (for whatever reason)
you end up with PKG_PROG_PKG_CONFIG expanded in the conditional call of
PKG_CHECK_MODULES in the --with-gnutls block and nowhere else, which causes
further invocations of PKG_CHECK_MODULES to fail because $PKG_CONFIG isn't set.

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