From mboxrd@z Thu Jan  1 00:00:00 1970
From: Michael Buesch <mbuesch@freenet.de>
Date: Sun, 13 Feb 2005 16:16:51 +0000
Subject: [UDEV, PATCH] Add profiling support to Makefile
Message-Id: <200502131716.55756.mbuesch@freenet.de>
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Hi,

This patch adds an option to the Makefile to enable
profiling. Profiling is only enabled, when not building
against klibc, as klibc lacks support for mcount().

Please apply. Thanks.

=2D-=20
Regards Michael Buesch  [ http://www.tuxsoft.de.vu ]



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=3D=3D=3D=3D=3D Makefile 1.232 vs edited =3D=3D=3D=3D=3D
=2D-- 1.232/Makefile	2005-02-11 20:55:00 +01:00
+++ edited/Makefile	2005-02-13 17:15:25 +01:00
@@ -25,6 +25,12 @@
 # Leave this set to `false' for production use.
 DEBUG =3D false
=20
+# Set the following to 'true' to let gcc generate
+# additional profiling code.
+# Profiling is NOT supported by klibc and disabled
+# automatically if USE_KLIBC=3Dtrue
+PROFILE =3D false
+
 # Set this to compile with Security-Enhanced Linux support.
 USE_SELINUX =3D false
=20
@@ -162,6 +168,10 @@
 	CFLAGS  +=3D -DLOG
 endif
=20
+ifeq ($(strip $(PROFILE)),true)
+	PROFILE_FLAGS =3D -pg -fno-omit-frame-pointer
+endif
+
 # if DEBUG is enabled, then we do not strip or optimize
 ifeq ($(strip $(DEBUG)),true)
 	CFLAGS  +=3D -O1 -g -DDEBUG -D_GNU_SOURCE
@@ -185,6 +195,8 @@
 	# arch specific objects
 	ARCH_LIB_OBJS =3D	 $(KLIBC_DIR)/libc.a
=20
+	# profiling is not supported by klibc (missing mcount() function)
+	PROFILE_FLAGS =3D
=20
 	CRT0 =3D $(KLIBC_DIR)/crt0.o
 	LIBC =3D $(ARCH_LIB_OBJS) $(LIB_OBJS) $(CRT0)
@@ -218,6 +230,9 @@
 	LIB_OBJS =3D -lc
 	LDFLAGS =3D
 endif
+
+CFLAGS +=3D $(PROFILE_FLAGS)
+LIB_OBJS +=3D $(PROFILE_FLAGS)
=20
 ifeq ($(strip $(USE_SELINUX)),true)
 	UDEV_OBJS +=3D udev_selinux.o

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