Add logging API (internal to log, public to set the current log level)

[babeltrace.git] / configure.ac

diff --git a/configure.ac b/configure.ac
index b12fe3d2944755396fb86644f0a8d4a38728a1ec..b31f7acc16e628972d735dda7f517f3e9d3b80b3 100644 (file)
--- a/configure.ac
+++ b/configure.ac
@@ -400,6 +400,14 @@ AM_CONDITIONAL([BUILT_IN_PYTHON_PLUGIN_SUPPORT], [test "x$built_in_python_plugin
 
 PKG_CHECK_MODULES(GMODULE, [gmodule-2.0 >= 2.0.0])
 
+# Logging
+AC_ARG_VAR([BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level for Babeltrace program, library, and plugins (VERBOSE, DEBUG, INFO, WARN, ERROR (default), FATAL, or NONE)])
+AS_IF([test "x$BABELTRACE_MINIMAL_LOG_LEVEL" = "x"], [BABELTRACE_MINIMAL_LOG_LEVEL=DEBUG])
+AS_IF([test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "VERBOSE" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "DEBUG" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "INFO" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "WARN" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "ERROR" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "FATAL" && test "$BABELTRACE_MINIMAL_LOG_LEVEL" != "NONE"], [
+       AC_MSG_ERROR([Invalid BABELTRACE_MINIMAL_LOG_LEVEL value ($BABELTRACE_MINIMAL_LOG_LEVEL): use VERBOSE, DEBUG, INFO, WARN, ERROR, FATAL, or NONE.])
+])
+AC_DEFINE_UNQUOTED([BT_LOG_LEVEL], [BT_LOG_$BABELTRACE_MINIMAL_LOG_LEVEL], [Minimal log level])
+
 LIBS="$LIBS $GMODULE_LIBS"
 PACKAGE_CFLAGS="$GMODULE_CFLAGS -Wall -Wformat"
 AC_SUBST(PACKAGE_CFLAGS)
@@ -473,6 +481,7 @@ AC_CONFIG_FILES([
        lib/ctf-ir/Makefile
        lib/ctf-writer/Makefile
        include/Makefile
+       logging/Makefile
        bindings/Makefile
        bindings/python/Makefile
        bindings/python/babeltrace/Makefile
@@ -566,6 +575,9 @@ done
 ]
 PPRINT_PROP_STRING([Target architecture], $target_arch)
 
+# Minimal log level
+PPRINT_PROP_STRING([Minimal log level], $BABELTRACE_MINIMAL_LOG_LEVEL)
+
 # API doc
 test "x$enable_api_doc" = "xyes" && value=1 || value=0
 PPRINT_PROP_BOOL([HTML API documentation], $value)