X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=aclocal.m4;fp=aclocal.m4;h=4b750ef3f2982d12963b450997ad9b28e74c595d;hp=c7002b171fff836b62867b37fe4e85587848dd9c;hb=b8c25820084a46b1239ad7d87bee6391dd5c1017;hpb=70b4e94b9423904e817c88e5b55732f7f3df9fbc

diff --git a/aclocal.m4 b/aclocal.m4
index c7002b1..4b750ef 100644
--- a/aclocal.m4
+++ b/aclocal.m4
@@ -1494,6 +1494,21 @@ case "$1" in
   esac
 ])
 
+# BOOTSTRAPPING_GHC_INFO_FIELD
+# --------------------------------
+# If the bootstrapping compiler is >= 7.1, then set the variable
+# $1 to the value of the ghc --info field $2. Otherwise, set it to
+# $3.
+AC_DEFUN([BOOTSTRAPPING_GHC_INFO_FIELD],[
+if test $GhcCanonVersion -ge 701
+then
+    $1=`"$WithGhc" --info | grep "^ ,(\"$2\"," | sed -e 's/.*","//' -e 's/")$//'`
+else
+    $1=$3
+fi
+AC_SUBST($1)
+])
+
 # LIBRARY_VERSION(lib)
 # --------------------------------
 # Gets the version number of a library.