AC_REQUIRE([AC_USE_SYSTEM_EXTENSIONS])
AC_REQUIRE([gl_HEADER_STRING_H_DEFAULTS])
- AC_REPLACE_FUNCS([strchrnul])
+ AC_CHECK_FUNCS([strchrnul])
if test $ac_cv_func_strchrnul = no; then
HAVE_STRCHRNUL=0
- gl_PREREQ_STRCHRNUL
else
AC_CACHE_CHECK([whether strchrnul works],
[gl_cv_func_strchrnul_works],
[AC_RUN_IFELSE([AC_LANG_PROGRAM([[
#include <string.h> /* for strchrnul */
]], [[const char *buf = "a";
- return strchrnul(buf, 'b') != buf + 1;
+ return strchrnul (buf, 'b') != buf + 1;
]])],
[gl_cv_func_strchrnul_works=yes],
[gl_cv_func_strchrnul_works=no],
Lucky user
#endif
],
- [gl_cv_func_strchrnul_works=yes],
+ [gl_cv_func_strchrnul_works="guessing yes"],
[gl_cv_func_strchrnul_works="guessing no"])
])
])
- if test "$gl_cv_func_strchrnul_works" != yes; then
- REPLACE_STRCHRNUL=1
- AC_LIBOBJ([strchrnul])
- fi
+ case "$gl_cv_func_strchrnul_works" in
+ *yes) ;;
+ *) REPLACE_STRCHRNUL=1 ;;
+ esac
+ fi
+ if test $HAVE_STRCHRNUL = 0 || test $REPLACE_STRCHRNUL = 1; then
+ AC_LIBOBJ([strchrnul])
+ gl_PREREQ_STRCHRNUL
fi
])