X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=m4%2Fxstrtoumax.m4;h=523ebe0e3e53dd52102d22be5801dec4d05fc938;hb=55b0159d96e14497b31118b9db52f3e4546b26b0;hp=a5a06eb52b3de22d9a4cd6ca815b2278bf83f825;hpb=38fbb60b6cd42d792ecb80f76fc4a06a22bf0933;p=gnulib.git

diff --git a/m4/xstrtoumax.m4 b/m4/xstrtoumax.m4
index a5a06eb52..523ebe0e3 100644
--- a/m4/xstrtoumax.m4
+++ b/m4/xstrtoumax.m4
@@ -7,7 +7,8 @@ AC_DEFUN(jm_AC_PREREQ_XSTRTOUMAX,
   AC_REQUIRE([jm_AC_TYPE_UINTMAX_T])
   AC_REQUIRE([jm_AC_HEADER_INTTYPES_H])
   AC_REQUIRE([jm_AC_TYPE_UNSIGNED_LONG_LONG])
-  AC_CHECK_HEADERS(stdlib.h)
+  AC_CHECK_DECLS([strtoul, strtoull])
+  AC_CHECK_HEADERS(limits.h stdlib.h)
 
   AC_CACHE_CHECK([whether <inttypes.h> defines strtoumax as a macro],
     jm_cv_func_strtoumax_macro,
@@ -28,8 +29,13 @@ AC_DEFUN(jm_AC_PREREQ_XSTRTOUMAX,
   dnl so we need the replacement strtoull only if strtoumax does not exist.
   case "$ac_cv_type_unsigned_long_long,$jm_cv_func_strtoumax_macro,$ac_cv_func_strtoumax" in
     yes,no,no)
-      AC_REPLACE_FUNCS(strtoul)
-      AC_REPLACE_FUNCS(strtoull)
+      AC_REPLACE_FUNCS(strtoull strtol)
+      ;;
+  esac
+
+  case "$jm_cv_func_strtoumax_macro,$ac_cv_func_strtoumax" in
+    no,no)
+      AC_REPLACE_FUNCS(strtoul strtol)
       ;;
   esac