fix a warning

[ghc-hetmet.git] / aclocal.m4

diff --git a/aclocal.m4 b/aclocal.m4
index d0ba4bf..858a3f0 100644 (file)
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -363,6 +363,12 @@ case $HostPlatform in
              LdCmd="`cygpath -w ${fp_prog_ld_raw} | sed -e 's@\\\\@/@g'`"
               AC_MSG_NOTICE([normalized ld command to $LdCmd])
             fi
+           # Insist on >= ld-2.15.x, since earlier versions doesn't handle
+           # the generation of relocatable object files with large amounts
+           # of relocations correctly. (cf. HSbase.o splittage-hack)
+           fp_prog_ld_version=`${LdCmd} --version | sed -n '/GNU ld/p' | tr -cd 0-9 | cut -b1-3`
+           FP_COMPARE_VERSIONS([$fp_prog_ld_version],[-lt],[214],
+                                [AC_MSG_ERROR([GNU ld version later than 2.14 required to compile GHC on Windows.])])[]dnl
             ;;
 esac
 AC_SUBST([LdCmd])
@@ -822,8 +828,8 @@ main() {
   exit(0);
 }]])],[AC_CV_NAME=`cat conftestval`],
 [ifelse([$2], , [AC_CV_NAME=NotReallyAType; AC_CV_NAME_supported=no], [AC_CV_NAME=$2])],
-[ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], [AC_CV_NAME=$3])])]) dnl
-CPPFLAGS="$fp_check_htype_save_cppflags"
+[ifelse([$3], , [AC_CV_NAME=NotReallyATypeCross; AC_CV_NAME_supported=no], [AC_CV_NAME=$3])])
+CPPFLAGS="$fp_check_htype_save_cppflags"]) dnl
 if test "$AC_CV_NAME_supported" = yes; then
   AC_MSG_RESULT($AC_CV_NAME)
   AC_DEFINE_UNQUOTED(AC_TYPE_NAME, $AC_CV_NAME, [Define to Haskell type for $1])