From: Andre Noll <maan@tuebingen.mpg.de>
Date: Sun, 25 Apr 2021 22:57:12 +0000 (+0200)
Subject: build: Error out on implicit function declarations.
X-Git-Tag: v1.0.4~5^2
X-Git-Url: http://git.tuebingen.mpg.de/?a=commitdiff_plain;h=45901057b4103eeb745e080521678c0e43e0eca1;hp=45901057b4103eeb745e080521678c0e43e0eca1;p=lopsub.git

build: Error out on implicit function declarations.

Replacing lopsub.h by an empty file builds a buggy lopsubgen-stage1
executable which segfaults due to a format string mismatch caused
by the implicit declaration of lls_version(). In this package all
functions are supposed to be declared, so let's fail the build if
any undeclared functions are found.

Tested-by: Alex Gietz <oss@mcdinner.de>
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