Re: AC_EGREP_CPP expands to invalid shell code

[Akim Demaille]

| Hi,
| Using autoconf-2.57. This small configure.ac file expands to shell code
| that causes a syntax error:
| 
| =========================== configure.ac ============================
| AC_INIT(dummy,0)
| 
| AC_PROG_CC
| 
| AC_CACHE_CHECK([whether <inttypes.h> defines strtoimax as a macro],
|   jm_cv_func_strtoimax_macro,
|   AC_EGREP_CPP([inttypes_h_defines_strtoimax], [#include <inttypes.h>
| #ifdef strtoimax
|  inttypes_h_defines_strtoimax
| #endif],
|     jm_cv_func_strtoimax_macro=yes,
|     jm_cv_func_strtoimax_macro=no))
| 
| AC_OUTPUT

Your second argument, being a literal, must be quoted twice.  Or add a
\n before the closing ].