AC_CHECK_FUNCS(sigsetjmp)

[Bruce Korb]

This macro does not work when the headers #define sigsetjmp to
something else.  I'm not finding the right alternative.
Thanks - Bruce

+ gcc -o conftest -g -O2 conftest.c -ldl
/net/simpsons/export/ws/ws0/bkorb/tmp/ccZ30ygl.o: In function `main':
/local/src/ag/autogen-5.8.5pre99/_b/conftest.c:79: undefined reference
to `sigsetjmp'
/net/simpsons/export/ws/ws0/bkorb/tmp/ccZ30ygl.o:(.data+0x0):
undefined reference to `sigsetjmp'
collect2: ld returned 1 exit status

$ fgrep 'GNU Autoconf' ../configure
# Generated by GNU Autoconf 2.59 for GNU AutoGen 5.8.5pre99.