scripts/gcc-wrapper.py - linux - Git Browser for ODROID

 #! /usr/bin/env python
 # -*- coding: utf-8 -*-

 # Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are met:
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * 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.
 #     * Neither the name of The Linux Foundation nor
 #       the names of its contributors may be used to endorse or promote
 #       products derived from this software without specific prior written
 #       permission.
 #
 # 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, FITNESS FOR A PARTICULAR PURPOSE AND
 # NON-INFRINGEMENT 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.

 # Invoke gcc, looking for warnings, and causing a failure if there are
 # non-whitelisted warnings.

 from __future__ import print_function
 import errno
 import re
 import os
 import sys
 import subprocess

 allowed_warnings = set([
     "cgroup.h:35", # include/trace/hooks/cgroup.h:35:18: warning: 'struct cgroup_subsys' declared inside parameter list will not be visible outside of this definition or declaration
     "vfs.c:1259", # fs/incfs/vfs.c:1259:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     "pseudo_files.c:655", # fs/incfs/pseudo_files.c:655:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
     "km_apphint.c:230", # drivers/staging/imgtec/rogue/km_apphint.c:230:48: warning: division 'sizeof (void *) / sizeof (void)' does not compute the number of array elements [-Wsizeof-pointer-div]
     "file.c:3010", # fs/f2fs/file.c:3010:12: warning: 'f2fs_ioctl_check_project' defined but not used
     "configfs.c:1488", # drivers/usb/gadget/configfs.c:1488:12: warning: 'configfs_composite_setup' defined but not used
     "configfs.c:1513", # drivers/usb/gadget/configfs.c:1513:13: warning: 'configfs_composite_disconnect' defined but not used
     "posix-cpu-timers.c:1268", # kernel/time/posix-cpu-timers.c:1268:13: warning: 'now' may be used uninitialized in this function
     "af_unix.c:1036", # net/unix/af_unix.c:1036:20: warning: 'hash' may be used uninitialized in this function
     "sunxi_sram.c:214", # drivers/soc/sunxi/sunxi_sram.c:214:24: warning: 'device' may be used uninitialized in this function
     "ks8851.c:298", # drivers/net/ethernet/micrel/ks8851.c:298:2: warning: 'rxb[0]' may be used uninitialized in this function
     "ks8851.c:421", # drivers/net/ethernet/micrel/ks8851.c:421:20: warning: 'rxb[0]' may be used uninitialized in this function
     "compat_binfmt_elf.c:58", # fs/compat_binfmt_elf.c:58:13: warning: 'cputime_to_compat_timeval' defined but not used
     "memcontrol.c:5337", # mm/memcontrol.c:5337:12: warning: initialization from incompatible pointer type
     "atags_to_fdt.c:101", # arch/arm/boot/compressed/atags_to_fdt.c:101:1: warning: the frame size of 2056 bytes is larger than 1280 bytes [-Wframe-larger-than=]
     "drm_edid.c:3506", # drivers/gpu/drm/drm_edid.c:3506:13: warning: 'cea_db_is_hdmi_forum_vsdb' defined but not used
     # W=1
     "bounds.c:15", # kernel/bounds.c:15:6: warning: no previous prototype for ‘foo’
     "cpufeature.h:157", # arch/arm64/include/asm/cpufeature.h:157:68: warning: signed and unsigned type in conditional expression
     "sched.h:1211", # include/linux/sched.h:1211:1: warning: type qualifiers ignored on function return type
     "halphyrf_8188e_ce.c:2208", # drivers/net/wireless/rockchip_wlan/rtl8189es/hal/phydm/rtl8188e/halphyrf_8188e_ce.c:2208:1: warning: the frame size of 1056 bytes is larger than 1024 bytes
     "halphyrf_8723b_ce.c:2879", # drivers/net/wireless/rockchip_wlan/rtl8723bu/hal/phydm/rtl8723b/halphyrf_8723b_ce.c:2879:1: warning: the frame size of 1056 bytes is larger than 1024 bytes
  ])

 # Capture the name of the object file, can find it.
 ofile = None

 do_exit = False;

 warning_re = re.compile(r'''(.*/|)([^/]+\.[a-z]+:\d+):(\d+:)? warning:''')
 def interpret_warning(line):
     """Decode the message from gcc.  The messages we care about have a filename, and a warning"""
     line = line.rstrip('\n')
     m = warning_re.match(line)
     if m and m.group(2) not in allowed_warnings:
         print ("error, forbidden warning:" + m.group(2))

         # If there is a warning, remove any object if it exists.
         if ofile:
             try:
                 os.remove(ofile)
             except OSError:
                 pass
         global do_exit
         do_exit = True;

 def run_gcc():
     args = sys.argv[1:]
     # Look for -o
     try:
         i = args.index('-o')
         global ofile
         ofile = args[i+1]
     except (ValueError, IndexError):
         pass

     compiler = sys.argv[0]

     try:
         env = os.environ.copy()
         env['LC_ALL'] = 'C'
         proc = subprocess.Popen(args, stderr=subprocess.PIPE, env=env)
         for line in proc.stderr:
             print (line.decode("utf-8"), end="")
             interpret_warning(line.decode("utf-8"))
         if do_exit:
             sys.exit(1)

         result = proc.wait()
     except OSError as e:
         result = e.errno
         if result == errno.ENOENT:
             print (args[0] + ':' + e.strerror)
             print ('Is your PATH set correctly?')
         else:
             print (' '.join(args) + str(e))

     return result

 if __name__ == '__main__':
     status = run_gcc()
     sys.exit(status)
	#! /usr/bin/env python
	# -- coding: utf-8 --

	# Copyright (c) 2011-2012, The Linux Foundation. All rights reserved.
	#
	# Redistribution and use in source and binary forms, with or without
	# modification, are permitted provided that the following conditions are met:
	# * Redistributions of source code must retain the above copyright
	# notice, this list of conditions and the following disclaimer.
	# * 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.
	# * Neither the name of The Linux Foundation nor
	# the names of its contributors may be used to endorse or promote
	# products derived from this software without specific prior written
	# permission.
	#
	# 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, FITNESS FOR A PARTICULAR PURPOSE AND
	# NON-INFRINGEMENT 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.

	# Invoke gcc, looking for warnings, and causing a failure if there are
	# non-whitelisted warnings.

	from __future__ import print_function
	import errno
	import re
	import os
	import sys
	import subprocess

	allowed_warnings = set([
	"cgroup.h:35", # include/trace/hooks/cgroup.h:35:18: warning: 'struct cgroup_subsys' declared inside parameter list will not be visible outside of this definition or declaration
	"vfs.c:1259", # fs/incfs/vfs.c:1259:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
	"pseudo_files.c:655", # fs/incfs/pseudo_files.c:655:10: warning: cast to pointer from integer of different size [-Wint-to-pointer-cast]
	"km_apphint.c:230", # drivers/staging/imgtec/rogue/km_apphint.c:230:48: warning: division 'sizeof (void *) / sizeof (void)' does not compute the number of array elements [-Wsizeof-pointer-div]
	"file.c:3010", # fs/f2fs/file.c:3010:12: warning: 'f2fs_ioctl_check_project' defined but not used
	"configfs.c:1488", # drivers/usb/gadget/configfs.c:1488:12: warning: 'configfs_composite_setup' defined but not used
	"configfs.c:1513", # drivers/usb/gadget/configfs.c:1513:13: warning: 'configfs_composite_disconnect' defined but not used
	"posix-cpu-timers.c:1268", # kernel/time/posix-cpu-timers.c:1268:13: warning: 'now' may be used uninitialized in this function
	"af_unix.c:1036", # net/unix/af_unix.c:1036:20: warning: 'hash' may be used uninitialized in this function
	"sunxi_sram.c:214", # drivers/soc/sunxi/sunxi_sram.c:214:24: warning: 'device' may be used uninitialized in this function
	"ks8851.c:298", # drivers/net/ethernet/micrel/ks8851.c:298:2: warning: 'rxb[0]' may be used uninitialized in this function
	"ks8851.c:421", # drivers/net/ethernet/micrel/ks8851.c:421:20: warning: 'rxb[0]' may be used uninitialized in this function
	"compat_binfmt_elf.c:58", # fs/compat_binfmt_elf.c:58:13: warning: 'cputime_to_compat_timeval' defined but not used
	"memcontrol.c:5337", # mm/memcontrol.c:5337:12: warning: initialization from incompatible pointer type
	"atags_to_fdt.c:101", # arch/arm/boot/compressed/atags_to_fdt.c:101:1: warning: the frame size of 2056 bytes is larger than 1280 bytes [-Wframe-larger-than=]
	"drm_edid.c:3506", # drivers/gpu/drm/drm_edid.c:3506:13: warning: 'cea_db_is_hdmi_forum_vsdb' defined but not used
	# W=1
	"bounds.c:15", # kernel/bounds.c:15:6: warning: no previous prototype for ‘foo’
	"cpufeature.h:157", # arch/arm64/include/asm/cpufeature.h:157:68: warning: signed and unsigned type in conditional expression
	"sched.h:1211", # include/linux/sched.h:1211:1: warning: type qualifiers ignored on function return type
	"halphyrf_8188e_ce.c:2208", # drivers/net/wireless/rockchip_wlan/rtl8189es/hal/phydm/rtl8188e/halphyrf_8188e_ce.c:2208:1: warning: the frame size of 1056 bytes is larger than 1024 bytes
	"halphyrf_8723b_ce.c:2879", # drivers/net/wireless/rockchip_wlan/rtl8723bu/hal/phydm/rtl8723b/halphyrf_8723b_ce.c:2879:1: warning: the frame size of 1056 bytes is larger than 1024 bytes
	])

	# Capture the name of the object file, can find it.
	ofile = None

	do_exit = False;

	warning_re = re.compile(r'''(.*/\|)([^/]+\.[a-z]+:\d+):(\d+:)? warning:''')
	def interpret_warning(line):
	"""Decode the message from gcc. The messages we care about have a filename, and a warning"""
	line = line.rstrip('\n')
	m = warning_re.match(line)
	if m and m.group(2) not in allowed_warnings:
	print ("error, forbidden warning:" + m.group(2))

	# If there is a warning, remove any object if it exists.
	if ofile:
	try:
	os.remove(ofile)
	except OSError:
	pass
	global do_exit
	do_exit = True;

	def run_gcc():
	args = sys.argv[1:]
	# Look for -o
	try:
	i = args.index('-o')
	global ofile
	ofile = args[i+1]
	except (ValueError, IndexError):
	pass

	compiler = sys.argv[0]

	try:
	env = os.environ.copy()
	env['LC_ALL'] = 'C'
	proc = subprocess.Popen(args, stderr=subprocess.PIPE, env=env)
	for line in proc.stderr:
	print (line.decode("utf-8"), end="")
	interpret_warning(line.decode("utf-8"))
	if do_exit:
	sys.exit(1)

	result = proc.wait()
	except OSError as e:
	result = e.errno
	if result == errno.ENOENT:
	print (args[0] + ':' + e.strerror)
	print ('Is your PATH set correctly?')
	else:
	print (' '.join(args) + str(e))

	return result

	if __name__ == '__main__':
	status = run_gcc()
	sys.exit(status)