[Pal,LibOS] New logging system

Instead of 'loader.debug_type', introduce 'loader.log_level' and 'loader.log_file', along with a set of definitions for logging at a chosen level. For now, the call sites keep using the legacy macros (SGX_DBG and debug()), because converting them all will conflict with other big changes in the code base. The existing LibOS calls are assumed to be at 'info' level.
gramineproject · Jan 20, 2021 · 17ab04d · 17ab04d
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diff --git a/Documentation/devel/performance.rst b/Documentation/devel/performance.rst
@@ -370,7 +370,7 @@ particular, build Graphene in non-debug configuration (simple ``make SGX=1``
 defaults to non-debug configuration). Also build the application itself in
 non-debug configuration (again, typically simple ``make SGX=1`` is sufficient).
 Finally, disable the debug log of Graphene by specifying the manifest option
-``loader.debug_type = "none"``.
+``loader.log_level = "none"``.
 
 If your application periodically fails and complains about seemingly irrelevant
 things, it may be due to insufficient enclave memory. Please try to increase

diff --git a/Documentation/manifest-syntax.rst b/Documentation/manifest-syntax.rst
@@ -23,21 +23,21 @@ Comments can be inlined in a |~| manifest by starting them with a |~| hash sign
 Common syntax
 -------------
 
-Debug type
-^^^^^^^^^^
+Log level
+^^^^^^^^^
 
 ::
 
-    loader.debug_type = "[none|inline|file]"
-    (Default: "none")
+    loader.log_level = "[none|error|info|debug|trace|all]"
+    (Default: "error")
 
-    loader.debug_file = "[PATH]"
+    loader.log_file = "[PATH]"
 
-This specifies the debug option while running the library OS. If the debug type
-is ``none``, no debug output will be printed to standard output. If the debug
-type is ``inline``, a dmesg-like debug output will be printed inline with
-standard output. If the debug type is ``file``, debug output will be written to
-the file specified in ``loader.debug_file``.
+This configures Graphene's debug log. The ``log_level`` option specifies what
+messages to enable (e.g. ``loader.log_level = "debug"`` will enable all messages
+of type ``error``, ``info`` and ``debug``). By default, the messages are printed
+to the standard output. If ``log_file`` is specified, the messages will be
+appended to that file.
 
 Preloaded libraries
 ^^^^^^^^^^^^^^^^^^^

diff --git a/Examples/apache/Makefile b/Examples/apache/Makefile
@@ -32,9 +32,9 @@ GRAPHENEDIR ?= $(THIS_DIR)../..
 SGX_SIGNER_KEY ?= $(GRAPHENEDIR)/Pal/src/host/Linux-SGX/signer/enclave-key.pem
 
 ifeq ($(DEBUG),1)
-GRAPHENEDEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENEDEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 .PHONY: all
@@ -116,7 +116,7 @@ httpd-trusted-libs: httpd-deps httpd-modules $(INSTALL_DIR)/bin/httpd
 
 httpd.manifest: httpd.manifest.template httpd-trusted-mods httpd-trusted-libs
 	sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
-	    -e 's|$$(GRAPHENEDEBUG)|'"$(GRAPHENEDEBUG)"'|g' \
+	    -e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 	    -e 's|$$(INSTALL_DIR)|'"$(INSTALL_DIR)"'|g' \
 	    -e 's|$$(INSTALL_DIR_ABSPATH)|'"$(abspath $(INSTALL_DIR))"'|g' \
 	    -e 's|$$(HTTPD_TRUSTED_MODS)|'"`cat httpd-trusted-mods`"'|g' \

diff --git a/Examples/apache/httpd.manifest.template b/Examples/apache/httpd.manifest.template
@@ -9,7 +9,7 @@ loader.argv0_override = "httpd"
 # Read application arguments directly from the command line. Don't use this on production!
 loader.insecure__use_cmdline_argv = 1
 
-loader.debug_type = "$(GRAPHENEDEBUG)"
+loader.log_level = "$(GRAPHENE_LOG_LEVEL)"
 
 # Environment variables
 loader.env.LD_LIBRARY_PATH = "/lib:$(ARCH_LIBDIR):/usr/lib:/usr/$(ARCH_LIBDIR)"

diff --git a/Examples/bash/Makefile b/Examples/bash/Makefile
@@ -12,9 +12,9 @@ GRAPHENEDIR ?= ../..
 SGX_SIGNER_KEY ?= $(GRAPHENEDIR)/Pal/src/host/Linux-SGX/signer/enclave-key.pem
 
 ifeq ($(DEBUG),1)
-GRAPHENEDEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENEDEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 .PHONY: all
@@ -35,7 +35,7 @@ trusted-libs: ../common_tools/get_deps.sh
 
 bash.manifest: manifest.template trusted-libs
 	(sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
-	     -e 's|$$(GRAPHENEDEBUG)|'"$(GRAPHENEDEBUG)"'|g' \
+	     -e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 	     -e 's|$$(EXECDIR)|'"$(shell dirname $(shell which bash))"'|g' \
 	     -e 's|$$(ARCH_LIBDIR)|'"$(ARCH_LIBDIR)"'|g' \
 	     $<; \

diff --git a/Examples/bash/manifest.template b/Examples/bash/manifest.template
@@ -8,7 +8,7 @@ libos.entrypoint = "file:$(EXECDIR)/bash"
 # Read application arguments directly from the command line. Don't use this on production!
 loader.insecure__use_cmdline_argv = 1
 
-loader.debug_type = "$(GRAPHENEDEBUG)"
+loader.log_level = "$(GRAPHENE_LOG_LEVEL)"
 
 # Environment variables
 loader.env.LD_LIBRARY_PATH = "/lib:$(ARCH_LIBDIR):/usr$(ARCH_LIBDIR)"

diff --git a/Examples/blender/Makefile b/Examples/blender/Makefile
@@ -22,9 +22,9 @@ $(error This example requires Ubuntu 16.04, 18.04 or 20.04)
 endif
 
 ifeq ($(DEBUG),1)
-GRAPHENE_DEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENE_DEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 
@@ -51,7 +51,7 @@ trusted-libs: ../common_tools/get_deps.sh $(BLENDER_DIR)/blender
 
 blender.manifest: blender.manifest.template trusted-libs | $(RUN_DIR)
 	(sed -e 's|$$(GRAPHENE_DIR)|'"$(GRAPHENE_DIR)"'|g' \
-	     -e 's|$$(GRAPHENE_DEBUG)|'"$(GRAPHENE_DEBUG)"'|g' \
+	     -e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 	     -e 's|$$(DATA_DIR)|'"$(DATA_DIR)"'|g' \
 	     -e 's|$$(BLENDER_DIR)|'"$(BLENDER_DIR)"'|g' \
 	     -e 's|$$(BLENDER_VER)|'"$(BLENDER_VER)"'|g' \

diff --git a/Examples/blender/blender.manifest.template b/Examples/blender/blender.manifest.template
@@ -17,7 +17,7 @@ libos.entrypoint = "file:$(BLENDER_DIR)/blender"
 loader.insecure__use_cmdline_argv = 1
 
 loader.preload = "file:$(GRAPHENE_DIR)/Runtime/libsysdb.so"
-loader.debug_type = "$(GRAPHENE_DEBUG)"
+loader.log_level = "$(GRAPHENE_LOG_LEVEL)"
 
 loader.env.LD_LIBRARY_PATH = "/graphene_lib:/blender_lib:/usr/$(ARCH_LIBDIR):$(ARCH_LIBDIR)"
 loader.env.HOME = "/home/user"

diff --git a/Examples/busybox/Makefile b/Examples/busybox/Makefile
@@ -21,9 +21,9 @@ BUSYBOX_URL ?= https://busybox.net/downloads/busybox-1.32.0.tar.bz2
 BUSYBOX_SHA256 ?= c35d87f1d04b2b153d33c275c2632e40d388a88f19a9e71727e0bbbff51fe689
 
 ifeq ($(DEBUG),1)
-GRAPHENEDEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENEDEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 
@@ -69,7 +69,7 @@ $(SRCDIR)/busybox: $(SRCDIR)/.config
 
 busybox.manifest: busybox.manifest.template
 	sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
-		-e 's|$$(GRAPHENEDEBUG)|'"$(GRAPHENEDEBUG)"'|g' \
+		-e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 		-e 's|$$(ARCH_LIBDIR)|'"$(ARCH_LIBDIR)"'|g' \
 		$< > $@
 

diff --git a/Examples/busybox/busybox.manifest.template b/Examples/busybox/busybox.manifest.template
@@ -16,10 +16,11 @@ loader.insecure__use_cmdline_argv = 1
 # build process.
 loader.preload = "file:$(GRAPHENEDIR)/Runtime/libsysdb.so"
 
-# Show/hide debug log of Graphene ('inline' or 'none' respectively). Note that
-# GRAPHENEDEBUG macro is expanded to inline/none in the Makefile as part of the
-# build process.
-loader.debug_type = "$(GRAPHENEDEBUG)"
+# Verbosity of Graphene debug log (none/error/info/debug/trace/all). Note that
+# GRAPHENE_LOG_LEVEL macro is expanded in the Makefile as part of the building
+# process: the default is "error" for non-debug builds, and "debug" for debug
+# builds.
+loader.log_level = "$(GRAPHENE_LOG_LEVEL)"
 
 ################################# ENV VARS  ###################################
 

diff --git a/Examples/capnproto/Makefile b/Examples/capnproto/Makefile
@@ -25,9 +25,9 @@ ADDRESSBOOK_CAP_URL    ?= $(CAPNPROTO_SRC_URL)/c%2B%2B/samples/addressbook.capnp
 ADDRESSBOOK_CAP_SHA256 ?= cf309b8b277881c95aaa785f4d0154f46f82575fdb9dea49fb10ee072b7c3ae6
 
 ifeq ($(DEBUG),1)
-GRAPHENEDEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENEDEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 .PHONY: all
@@ -63,7 +63,7 @@ trusted-libs: ../common_tools/get_deps.sh $(SRCDIR)/addressbook
 
 addressbook.manifest: addressbook.manifest.template trusted-libs
 	(sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
-		-e 's|$$(GRAPHENEDEBUG)|'"$(GRAPHENEDEBUG)"'|g' \
+		-e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 		-e 's|$$(ARCH_LIBDIR)|'"$(ARCH_LIBDIR)"'|g' \
 		$<; \
 	cat trusted-libs) > $@

diff --git a/Examples/capnproto/addressbook.manifest.template b/Examples/capnproto/addressbook.manifest.template
@@ -8,8 +8,8 @@ libos.entrypoint = "file:addressbook"
 # LibOS layer library of Graphene (currently only one implementation, libsysdb)
 loader.preload = "file:$(GRAPHENEDIR)/Runtime/libsysdb.so"
 
-# Show/hide debug log of Graphene ('inline' or 'none' respectively)
-loader.debug_type = "$(GRAPHENEDEBUG)"
+# Graphene log level
+loader.log_level = "$(GRAPHENE_LOG_LEVEL)"
 
 # Read application arguments directly from the command line. Don't use this on production!
 loader.insecure__use_cmdline_argv = 1

diff --git a/Examples/curl/Makefile b/Examples/curl/Makefile
@@ -15,9 +15,9 @@ GRAPHENEDIR ?= ../..
 SGX_SIGNER_KEY ?= $(GRAPHENEDIR)/Pal/src/host/Linux-SGX/signer/enclave-key.pem
 
 ifeq ($(DEBUG),1)
-GRAPHENEDEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENEDEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 .PHONY: all
@@ -37,7 +37,7 @@ trusted-libs: ../common_tools/get_deps.sh
 
 curl.manifest: curl.manifest.template trusted-libs
 	(sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
-	     -e 's|$$(GRAPHENEDEBUG)|'"$(GRAPHENEDEBUG)"'|g' \
+	     -e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 	     -e 's|$$(CURL_DIR)|'"$(CURL_DIR)"'|g' \
 	     -e 's|$$(ARCH_LIBDIR)|'"$(ARCH_LIBDIR)"'|g' \
 	     $<; \

diff --git a/Examples/curl/curl.manifest.template b/Examples/curl/curl.manifest.template
@@ -9,8 +9,8 @@ loader.argv0_override = "curl"
 # so it is always set to libsysdb.so. 
 loader.preload = "file:$(GRAPHENEDIR)/Runtime/libsysdb.so"
 
-# Show/hide debug log of Graphene ('inline' or 'none' respectively).
-loader.debug_type = "$(GRAPHENEDEBUG)"
+# Graphene log level
+loader.log_level = "$(GRAPHENE_LOG_LEVEL)"
 
 # Read application arguments directly from the command line. Don't use this on production!
 loader.insecure__use_cmdline_argv = 1

diff --git a/Examples/gcc/Makefile b/Examples/gcc/Makefile
@@ -11,9 +11,9 @@ GZIP_MIRRORS ?= https://people.csail.mit.edu/smcc/projects/single-file-programs/
 GZIP_HASH ?= 7ec7d87822e6497648580064756f64e47dbd085727910ebbc52a7c240a88dc27
 
 ifeq ($(DEBUG),1)
-GRAPHENEDEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENEDEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 include ../../Scripts/Makefile.configs
@@ -43,7 +43,7 @@ trusted-libs: ../common_tools/get_deps.sh
 
 %.manifest: %.manifest.template trusted-libs
 	(sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
-		-e 's|$$(GRAPHENEDEBUG)|'"$(GRAPHENEDEBUG)"'|g' \
+		-e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 		-e 's|$$(BINUTILS_VERSION)|'"$(BINUTILS_VERSION)"'|g' \
 		-e 's|$$(GCC_MAJOR_VERSION)|'"$(GCC_MAJOR_VERSION)"'|g' \
 		-e 's|$$(GCC_LIB_PATH)|'"$(GCC_LIB_PATH)"'|g' \

diff --git a/Examples/gcc/gcc.manifest.template b/Examples/gcc/gcc.manifest.template
@@ -1,7 +1,7 @@
 loader.preload = "file:$(GRAPHENEDIR)/Runtime/libsysdb.so"
 loader.env.LD_LIBRARY_PATH = "/lib:$(ARCH_LIBDIR):/usr/lib:/usr/$(ARCH_LIBDIR)"
 loader.env.PATH = "/bin:/usr/bin"
-loader.debug_type = "$(GRAPHENEDEBUG)"
+loader.log_level = "$(GRAPHENE_LOG_LEVEL)"
 libos.entrypoint = "file:/usr/bin/gcc"
 
 # Read application arguments directly from the command line. Don't use this on production!

diff --git a/Examples/lighttpd/Makefile b/Examples/lighttpd/Makefile
@@ -17,9 +17,9 @@ GRAPHENEDIR ?= $(THIS_DIR)../..
 SGX_SIGNER_KEY ?= $(GRAPHENEDIR)/Pal/src/host/Linux-SGX/signer/enclave-key.pem
 
 ifeq ($(DEBUG),1)
-GRAPHENEDEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENEDEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 CONF_FILES = lighttpd-server.conf lighttpd.conf
@@ -62,7 +62,7 @@ trusted-libs: ../common_tools/get_deps.sh $(INSTALL_DIR)/sbin/lighttpd
 
 lighttpd.manifest: lighttpd.manifest.template trusted-libs
 	(sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
-	     -e 's|$$(GRAPHENEDEBUG)|'"$(GRAPHENEDEBUG)"'|g' \
+	     -e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 	     -e 's|$$(INSTALL_DIR)|'"$(INSTALL_DIR)"'|g' \
 	     -e 's|$$(INSTALL_DIR_ABSPATH)|'"$(abspath $(INSTALL_DIR))"'|g' \
 	     -e 's|$$(ARCH_LIBDIR)|'"$(ARCH_LIBDIR)"'|g' \

diff --git a/Examples/lighttpd/lighttpd.manifest.template b/Examples/lighttpd/lighttpd.manifest.template
@@ -8,10 +8,11 @@
 
 libos.entrypoint = "file:$(INSTALL_DIR)/sbin/lighttpd"
 
-# Graphene environment, including the path of the library OS and the debug
-# option (inline/none).
+# Path to the library OS
 loader.preload = "file:$(GRAPHENEDIR)/Runtime/libsysdb.so"
-loader.debug_type = "$(GRAPHENEDEBUG)"
+
+# Graphene log level
+loader.log_level = "$(GRAPHENE_LOG_LEVEL)"
 
 # Read application arguments directly from the command line. Don't use this on production!
 loader.insecure__use_cmdline_argv = 1

diff --git a/Examples/memcached/Makefile b/Examples/memcached/Makefile
@@ -28,9 +28,9 @@ $(error This example requires Ubuntu 16.04 or 18.04)
 endif
 
 ifeq ($(DEBUG),1)
-GRAPHENEDEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENEDEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 .PHONY: all
@@ -65,7 +65,7 @@ $(SRCDIR)/memcached: $(SRCDIR)/configure
 
 memcached.manifest: memcached.manifest.template
 	sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
-		-e 's|$$(GRAPHENEDEBUG)|'"$(GRAPHENEDEBUG)"'|g' \
+		-e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 		-e 's|$$(ARCH_LIBDIR)|'"$(ARCH_LIBDIR)"'|g' \
 		-e 's|# \['"$(UBUNTU_VER)"'\] ||g' \
 		$< > $@

diff --git a/Examples/memcached/memcached.manifest.template b/Examples/memcached/memcached.manifest.template
@@ -26,10 +26,11 @@ loader.preload = "file:$(GRAPHENEDIR)/Runtime/libsysdb.so"
 # Binary to run.
 libos.entrypoint = "file:memcached"
 
-# Show/hide debug log of Graphene ("inline" or "none" respectively). Note that
-# GRAPHENEDEBUG macro is expanded to inline/none in the Makefile as part of the
-# build process.
-loader.debug_type = "$(GRAPHENEDEBUG)"
+# Verbosity of Graphene debug log (none/error/info/debug/trace/all). Note that
+# GRAPHENE_LOG_LEVEL macro is expanded in the Makefile as part of the building
+# process: the default is "error" for non-debug builds, and "debug" for debug
+# builds.
+loader.log_level = "$(GRAPHENE_LOG_LEVEL)"
 
 ################################# ARGUMENTS ###################################
 

diff --git a/Examples/nginx/Makefile b/Examples/nginx/Makefile
@@ -30,9 +30,9 @@ GRAPHENEDIR ?= $(THIS_DIR)../..
 SGX_SIGNER_KEY ?= $(GRAPHENEDIR)/Pal/src/host/Linux-SGX/signer/enclave-key.pem
 
 ifeq ($(DEBUG),1)
-GRAPHENEDEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENEDEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 .PHONY: all
@@ -72,7 +72,7 @@ trusted-libs: ../common_tools/get_deps.sh $(INSTALL_DIR)/sbin/nginx
 
 nginx.manifest: nginx.manifest.template trusted-libs
 	(sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
-	     -e 's|$$(GRAPHENEDEBUG)|'"$(GRAPHENEDEBUG)"'|g' \
+	     -e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 	     -e 's|$$(INSTALL_DIR)|'"$(INSTALL_DIR)"'|g' \
 	     -e 's|$$(INSTALL_DIR_ABSPATH)|'"$(abspath $(INSTALL_DIR))"'|g' \
 	     -e 's|$$(ARCH_LIBDIR)|'"$(ARCH_LIBDIR)"'|g' \

diff --git a/Examples/nginx/nginx.manifest.template b/Examples/nginx/nginx.manifest.template
@@ -4,10 +4,11 @@
 
 libos.entrypoint = "file:$(INSTALL_DIR)/sbin/nginx"
 
-# Graphene environment, including the path to the library OS and the debug
-# option (inline/none).
+# Path to the library OS
 loader.preload = "file:$(GRAPHENEDIR)/Runtime/libsysdb.so"
-loader.debug_type = "$(GRAPHENEDEBUG)"
+
+# Graphene log level
+loader.log_level = "$(GRAPHENE_LOG_LEVEL)"
 
 # Read application arguments directly from the command line. Don't use this on production!
 loader.insecure__use_cmdline_argv = 1

diff --git a/Examples/nodejs-express-server/Makefile b/Examples/nodejs-express-server/Makefile
@@ -15,9 +15,9 @@ GRAPHENEDIR ?= ../..
 SGX_SIGNER_KEY ?= $(GRAPHENEDIR)/Pal/src/host/Linux-SGX/signer/enclave-key.pem
 
 ifeq ($(DEBUG),1)
-GRAPHENEDEBUG = inline
+GRAPHENE_LOG_LEVEL = debug
 else
-GRAPHENEDEBUG = none
+GRAPHENE_LOG_LEVEL = error
 endif
 
 .PHONY: all
@@ -37,7 +37,7 @@ trusted-libs: ../common_tools/get_deps.sh
 
 nodejs.manifest: nodejs.manifest.template trusted-libs
 	(sed -e 's|$$(GRAPHENEDIR)|'"$(GRAPHENEDIR)"'|g' \
-	     -e 's|$$(GRAPHENEDEBUG)|'"$(GRAPHENEDEBUG)"'|g' \
+	     -e 's|$$(GRAPHENE_LOG_LEVEL)|'"$(GRAPHENE_LOG_LEVEL)"'|g' \
 	     -e 's|$$(NODEJS_DIR)|'"$(NODEJS_DIR)"'|g' \
 	     -e 's|$$(ARCH_LIBDIR)|'"$(ARCH_LIBDIR)"'|g' \
 	     $<; \