Cleanup configure.ac

Use AS_IF() and AS_ECHO() macros whenever possible.
Print the configuration options at the end of the script
(so they don't get lost in the sea of the configure output).

Signed-off-by: Alexandre Montplaisir <alexandre.montplaisir@gmail.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/configure.ac b/configure.ac
index b73cf0f0e6c273f45be1ddf98954fc1fb3becc72..01e15d3b2689d2a79cc96f51f8db14ae0b85ccb6 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -85,21 +85,14 @@ AC_CHECK_DECL([caa_likely], [],
 
 # Check liblttng-ust-ctl library
 AC_ARG_ENABLE(lttng-ust,
-       [  --disable-lttng-ust     build without LTTng-UST (Userspace Tracing) support.],
+       AS_HELP_STRING([--disable-lttng-ust],[build without LTTng-UST (Userspace Tracing) support]),
        lttng_ust_support=$enableval, lttng_ust_support=yes)
 
-[
-if test "x$lttng_ust_support" = "xno"; then
-       echo "LTTng-UST support disabled."
-else
-]
+AS_IF([test "x$lttng_ust_support" = "xyes"], [
        AC_CHECK_LIB([lttng-ust-ctl], [ustctl_create_session], [],
                [AC_MSG_ERROR([Cannot find LTTng-UST. Use [LDFLAGS]=-Ldir to specify its location, or specify --disable-lttng-ust to build lttng-tools without LTTng-UST support.])]
        )
-[
-       echo "LTTng-UST support enabled."
-fi
-]
+])
 
 AM_CONDITIONAL([HAVE_LIBLTTNG_UST_CTL], [ test "x$ac_cv_lib_lttng_ust_ctl_ustctl_create_session" = "xyes" ])
 
@@ -146,3 +139,13 @@ AC_CONFIG_FILES([
 ])
 
 AC_OUTPUT
+
+# Mini-report on what will be built
+AS_ECHO("")
+
+AS_ECHO_N("Lttng-UST support: ")
+AS_IF([test "x$lttng_ust_support" = "xyes"], [AS_ECHO("Enabled")],
+       [AS_ECHO("Disabled")])
+
+AS_ECHO("")
+