(imaxabs, imaxdiv, strtoimax, strtoumax): Don't declare the function
if the corresponding module is not enabled. Emit link warnings if
the function is used nevertheless.
- * m4/inttypes_h.m4 (gl_INTTYPES_H): Never use the existing <inttypes.h>.
+ * m4/inttypes.m4 (gl_INTTYPES_H): Never use the existing <inttypes.h>.
Don't AC_SUBST HAVE_DECL_IMAXABS, HAVE_DECL_IMAXDIV,
HAVE_DECL_STRTOIMAX, HAVE_DECL_STRTOUMAX.
(gl_INTTYPES_MODULE_INDICATOR, gl_INTTYPES_H_DEFAULTS): New macros.