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-rw-r--r--configure.in4
1 files changed, 4 insertions, 0 deletions
diff --git a/configure.in b/configure.in
index ca5bc01698..a2d0d81f00 100644
--- a/configure.in
+++ b/configure.in
@@ -229,6 +229,10 @@ test -z "$CXX" || ac_cv_prog_CXX="$CXX"
if test "$program_prefix" = NONE; then
program_prefix=
fi
+if test "$prefix" = `pwd`; then
+ echo "--prefix cannot be the current working directory."
+ exit 1;
+fi
RUBY_BASE_NAME=`echo ruby | sed "$program_transform_name"`
RUBYW_BASE_NAME=`echo rubyw | sed "$program_transform_name"`
AC_SUBST(RUBY_BASE_NAME)