diff options
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 27 |
1 files changed, 18 insertions, 9 deletions
diff --git a/configure.ac b/configure.ac index 202b76110..a470f94e6 100644 --- a/configure.ac +++ b/configure.ac @@ -112,14 +112,28 @@ else AC_MSG_RESULT([no]) fi +AC_PATH_PROG([ERL], [erl]) +AS_IF([test x${ERL} = x], [ + AC_MSG_ERROR([Could not find the `erl' executable. Is Erlang installed?]) + ]) + AC_ARG_WITH([erlang], [AC_HELP_STRING([--with-erlang=PATH], [set PATH to the Erlang include directory])], [ ERLANG_FLAGS="-I$withval" ], [ - ERLANG_FLAGS="-I${libdir}/erlang/usr/include" - ERLANG_FLAGS="$ERLANG_FLAGS -I/usr/lib/erlang/usr/include" - ERLANG_FLAGS="$ERLANG_FLAGS -I/usr/local/lib/erlang/usr/include" - ERLANG_FLAGS="$ERLANG_FLAGS -I/opt/local/lib/erlang/usr/include" + realerl=`readlink -f $ERL 2>/dev/null` + AS_IF([test $? -eq 0], [ + erlbase=`dirname $realerl` + erlbase=`dirname $erlbase` + ERLANG_FLAGS="-I${erlbase}/usr/include" + ], [ + # Failed to figure out where erl is installed.. + # try to add some default directories to search + ERLANG_FLAGS="-I${libdir}/erlang/usr/include" + ERLANG_FLAGS="$ERLANG_FLAGS -I/usr/lib/erlang/usr/include" + ERLANG_FLAGS="$ERLANG_FLAGS -I/usr/local/lib/erlang/usr/include" + ERLANG_FLAGS="$ERLANG_FLAGS -I/opt/local/lib/erlang/usr/include" + ]) ]) AC_SUBST(ERLANG_FLAGS) @@ -356,11 +370,6 @@ case "$(uname -s)" in ;; esac -AC_PATH_PROG([ERL], [erl]) - -if test x${ERL} = x; then - AC_MSG_ERROR([Could not find the `erl' executable. Is Erlang installed?]) -fi erlang_version_error="The installed Erlang version is less than 5.6.5 (R12B05)." |