X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=configure.ac;h=1cf01a4c646492668a1a0b95022bc014a17f4e1b;hb=04ad1d1046b16c51e4ba8f0eb47a11b5738c48ef;hp=b19e8008ff5c922f8689758f17bd118ac4e82f76;hpb=4d4e09c3de951466d81e9ade6273a5973079f4f1;p=ghc-base.git

diff --git a/configure.ac b/configure.ac
index b19e800..1cf01a4 100644
--- a/configure.ac
+++ b/configure.ac
@@ -10,6 +10,13 @@ AC_ARG_WITH([cc],
             [CC=$withval])
 AC_PROG_CC()
 
+case `uname -s` in
+    MINGW*|CYGWIN*)
+        WINDOWS=YES;;
+    *)
+        WINDOWS=NO;;
+esac
+
 # do we have long longs?
 AC_CHECK_TYPES([long long])
 
@@ -138,11 +145,10 @@ FP_SEARCH_LIBS_PROTO(iconv,
                       iconv_close(cd);],
                      iconv,
                      [EXTRA_LIBS="$EXTRA_LIBS $ac_lib"],
-                     [case `uname -s` in
-                        MINGW*|CYGWIN*) ;;
-                        *)
-                             AC_MSG_ERROR([iconv is required on non-Windows platforms]);;
-                      esac])
+                     [if test "$WINDOWS" = "NO"
+                      then
+                          AC_MSG_ERROR([iconv is required on non-Windows platforms])
+                      fi])
 
 # If possible, we use libcharset instead of nl_langinfo(CODESET) to
 # determine the current locale's character encoding.