THRIFT-646. erlang: Fix build on machines without Erlang
AC_ERLANG_SUBST_LIB_DIR aborts configure if erlc cannot be found. Just
skip that and all of the other install stuff if we don't have Erlang.
git-svn-id: https://svn.apache.org/repos/asf/incubator/thrift/trunk@988720 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/configure.ac b/configure.ac
index e5c59c1..822fd1a 100644
--- a/configure.ac
+++ b/configure.ac
@@ -106,10 +106,12 @@
if test "$with_erlang" = "yes"; then
AC_ERLANG_PATH_ERL
AC_ERLANG_PATH_ERLC
- AC_ERLANG_SUBST_LIB_DIR
- # Install into the detected Erlang directory instead of $libdir/erlang/lib
- ERLANG_INSTALL_LIB_DIR="$ERLANG_LIB_DIR"
- AC_ERLANG_SUBST_INSTALL_LIB_SUBDIR(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)
+ if test -n "$ERLC" ; then
+ AC_ERLANG_SUBST_LIB_DIR
+ # Install into the detected Erlang directory instead of $libdir/erlang/lib
+ ERLANG_INSTALL_LIB_DIR="$ERLANG_LIB_DIR"
+ AC_ERLANG_SUBST_INSTALL_LIB_SUBDIR(AC_PACKAGE_NAME, AC_PACKAGE_VERSION)
+ fi
fi
AM_CONDITIONAL(WITH_ERLANG, [test -n "$ERL" -a -n "$ERLC"])