test-verify.sh
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test-verify.sh
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	#!/bin/sh
	. "${srcdir=.}/init.sh"

	# We are not interested in triggering bugs in the compilers and tools
	# (such as gcc 4.3.1 on openSUSE 11.0).
	unset MALLOC_PERTURB_

	# Rather than figure out how to invoke the compiler with the right
	# include path ourselves, we let make do it:
	(cd "$initial_cwd_" && rm -f test-verify.o \
	&& $MAKE test-verify.o >/dev/null 2>&1) \
	\|\| skip_ "cannot compile error-free"

	# Now, prove that we encounter all expected compilation failures:
	: >out
	: >err
	for i in 1 2 3 4 5; do
	(cd "$initial_cwd_"
	rm -f test-verify.o
	$MAKE CFLAGS=-DEXP_FAIL=$i test-verify.o) >>out 2>>err \
	&& { warn_ "compiler didn't detect verification failure $i"; fail=1; }
	done

	Exit $fail