Introducing nopd.

.gitignore

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+*.la
+*.lo
+*.o
+*.pc
+.deps/
+.dirstamp
+.libs/
+/aclocal.m4
+/autom4te.cache/
+/build-aux/
+/config.cache
+/config.h
+/config.h.in
+/config.log
+/config.status
+/configure
+/libtool
+/m4/
+/stamp-h1
+Makefile
+Makefile.in
+/nopd

COPYING

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+Copyright (c) 2011, Michał Górny
+All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+1. Redistributions of source code must retain the above copyright notice,
+   this list of conditions and the following disclaimer.
+2. Redistributions in binary form must reproduce the above copyright
+   notice, this list of conditions and the following disclaimer in the
+   documentation and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+POSSIBILITY OF SUCH DAMAGE.

Makefile.am

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+ACLOCAL_AMFLAGS = -I m4
+
+pkgconfigdir = $(libdir)/pkgconfig
+
+lib_LTLIBRARIES = libnop.la
+include_HEADERS = lib/nop.h
+sbin_PROGRAMS = nopd
+pkgconfig_DATA = libnop.pc
+
+libnop_la_SOURCES = lib/x86.s
+libnop_la_LDFLAGS = -version-info 0:0:0
+
+nopd_SOURCES = src/nopd.c lib/nop.h
+nopd_CPPFLAGS = -Ilib
+nopd_LDFLAGS = libnop.la

configure.ac

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+AC_PREREQ([2.60])
+AC_INIT([nopd], [0])
+AC_CONFIG_AUX_DIR([build-aux])
+AC_CONFIG_MACRO_DIR([m4])
+AM_INIT_AUTOMAKE([1.6 foreign dist-bzip2 -Wall])
+
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES])
+
+AC_PROG_CC
+AM_PROG_AS
+AM_PROG_CC_C_O
+AC_USE_SYSTEM_EXTENSIONS
+LT_INIT([disable-static])
+
+AC_CONFIG_HEADER([config.h])
+AC_CONFIG_FILES([Makefile libnop.pc])
+AC_OUTPUT

lib/nop.h

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+#pragma once
+#ifndef _NOP_H
+#define _NOP_H
+
+void nop(void);
+
+#endif

lib/x86.s

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+.section .text
+	.global nop
+	.type nop, @function
+
+	nop:
+		nop
+		ret
+	.end

libnop.pc.in

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+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: @PACKAGE@
+Description: A portable implementation of NOP instruction
+Version: @VERSION@
+Libs: -L${libdir} -lnop
+Cflags: -I${includedir}

src/nopd.c

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+#include "nop.h"
+
+int main(int argc, char *argv[]) {
+	while (1)
+		nop();
+
+	return 0;
+}