[EMAIL PROTECTED] (Larry Jones) writes: > The IBM C compiler for AIX has a default mode that's almost, but not > quite, C89. The differences mostly involve the preprocessor. In > particular, macro parameters are substituted inside character constants > and string literals, which can be quite surprising if you're not > expecting it. The current autoconf _AC_PROG_CC_C89 macro does not > detect this and thus does not add the appropriate flag to CC to fix it. > Here's a fix:
Thanks very much; that's a subtle one that (as you noted on bug-gnulib) breaks real software. I installed it. I assume that _AC_PROG_CC_C99 does not need a similar patch because the default mode already doesn't pass that test. If that assumption is incorrect, please let us know.
