#!/bin/sh
source "${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:
shell {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] {
  shell {cd $initial_cwd_
   rm -f test-verify.o
   $MAKE CFLAGS=-DEXP_FAIL=$i test-verify.o} >>out 2>>err \
  && do { warn_ "compiler didn't detect verification failure $i"; setglobal fail = '1'; }
}

Exit $fail