joey shelton / LED_Demo2

dhgdh

Dependencies:   MAX44000 PWM_Tone_Library nexpaq_mdk

Fork of LED_Demo by joey shelton

mbd_os/tools/toolchains/gcc.py@1:55a6170b404f, 2016-09-17 (annotated)

Committer:
nexpaq
Date:
Sat Sep 17 16:32:05 2016 +0000
Revision:
1:55a6170b404f
checking in for sharing

Who changed what in which revision?

UserRevisionLine numberNew contents of line
nexpaq 1:55a6170b404f 1 """
nexpaq 1:55a6170b404f 2 mbed SDK
nexpaq 1:55a6170b404f 3 Copyright (c) 2011-2013 ARM Limited
nexpaq 1:55a6170b404f 4
nexpaq 1:55a6170b404f 5 Licensed under the Apache License, Version 2.0 (the "License");
nexpaq 1:55a6170b404f 6 you may not use this file except in compliance with the License.
nexpaq 1:55a6170b404f 7 You may obtain a copy of the License at
nexpaq 1:55a6170b404f 8
nexpaq 1:55a6170b404f 9 http://www.apache.org/licenses/LICENSE-2.0
nexpaq 1:55a6170b404f 10
nexpaq 1:55a6170b404f 11 Unless required by applicable law or agreed to in writing, software
nexpaq 1:55a6170b404f 12 distributed under the License is distributed on an "AS IS" BASIS,
nexpaq 1:55a6170b404f 13 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
nexpaq 1:55a6170b404f 14 See the License for the specific language governing permissions and
nexpaq 1:55a6170b404f 15 limitations under the License.
nexpaq 1:55a6170b404f 16 """
nexpaq 1:55a6170b404f 17 import re
nexpaq 1:55a6170b404f 18 from os.path import join, basename, splitext, dirname, exists
nexpaq 1:55a6170b404f 19 from distutils.spawn import find_executable
nexpaq 1:55a6170b404f 20
nexpaq 1:55a6170b404f 21 from tools.toolchains import mbedToolchain, TOOLCHAIN_PATHS
nexpaq 1:55a6170b404f 22 from tools.hooks import hook_tool
nexpaq 1:55a6170b404f 23
nexpaq 1:55a6170b404f 24 class GCC(mbedToolchain):
nexpaq 1:55a6170b404f 25 LINKER_EXT = '.ld'
nexpaq 1:55a6170b404f 26 LIBRARY_EXT = '.a'
nexpaq 1:55a6170b404f 27
nexpaq 1:55a6170b404f 28 STD_LIB_NAME = "lib%s.a"
nexpaq 1:55a6170b404f 29 DIAGNOSTIC_PATTERN = re.compile('((?P<file>[^:]+):(?P<line>\d+):)(\d+:)? (?P<severity>warning|error): (?P<message>.+)')
nexpaq 1:55a6170b404f 30 INDEX_PATTERN = re.compile('(?P<col>\s*)\^')
nexpaq 1:55a6170b404f 31
nexpaq 1:55a6170b404f 32 DEFAULT_FLAGS = {
nexpaq 1:55a6170b404f 33 'common': ["-c", "-Wall", "-Wextra",
nexpaq 1:55a6170b404f 34 "-Wno-unused-parameter", "-Wno-missing-field-initializers",
nexpaq 1:55a6170b404f 35 "-fmessage-length=0", "-fno-exceptions", "-fno-builtin",
nexpaq 1:55a6170b404f 36 "-ffunction-sections", "-fdata-sections", "-funsigned-char",
nexpaq 1:55a6170b404f 37 "-MMD", "-fno-delete-null-pointer-checks", "-fomit-frame-pointer"
nexpaq 1:55a6170b404f 38 ],
nexpaq 1:55a6170b404f 39 'asm': ["-x", "assembler-with-cpp"],
nexpaq 1:55a6170b404f 40 'c': ["-std=gnu99"],
nexpaq 1:55a6170b404f 41 'cxx': ["-std=gnu++98", "-fno-rtti", "-Wvla"],
nexpaq 1:55a6170b404f 42 'ld': ["-Wl,--gc-sections", "-Wl,--wrap,main",
nexpaq 1:55a6170b404f 43 "-Wl,--wrap,_malloc_r", "-Wl,--wrap,_free_r", "-Wl,--wrap,_realloc_r", "-Wl,--wrap,_calloc_r"],
nexpaq 1:55a6170b404f 44 }
nexpaq 1:55a6170b404f 45
nexpaq 1:55a6170b404f 46 def __init__(self, target, options=None, notify=None, macros=None, silent=False, tool_path="", extra_verbose=False):
nexpaq 1:55a6170b404f 47 mbedToolchain.__init__(self, target, options, notify, macros, silent, extra_verbose=extra_verbose)
nexpaq 1:55a6170b404f 48
nexpaq 1:55a6170b404f 49 if target.core == "Cortex-M0+":
nexpaq 1:55a6170b404f 50 cpu = "cortex-m0plus"
nexpaq 1:55a6170b404f 51 elif target.core == "Cortex-M4F":
nexpaq 1:55a6170b404f 52 cpu = "cortex-m4"
nexpaq 1:55a6170b404f 53 elif target.core == "Cortex-M7F":
nexpaq 1:55a6170b404f 54 cpu = "cortex-m7"
nexpaq 1:55a6170b404f 55 elif target.core == "Cortex-M7FD":
nexpaq 1:55a6170b404f 56 cpu = "cortex-m7"
nexpaq 1:55a6170b404f 57 else:
nexpaq 1:55a6170b404f 58 cpu = target.core.lower()
nexpaq 1:55a6170b404f 59
nexpaq 1:55a6170b404f 60 self.cpu = ["-mcpu=%s" % cpu]
nexpaq 1:55a6170b404f 61 if target.core.startswith("Cortex"):
nexpaq 1:55a6170b404f 62 self.cpu.append("-mthumb")
nexpaq 1:55a6170b404f 63
nexpaq 1:55a6170b404f 64 # FPU handling, M7 possibly to have double FPU
nexpaq 1:55a6170b404f 65 if target.core == "Cortex-M4F":
nexpaq 1:55a6170b404f 66 self.cpu.append("-mfpu=fpv4-sp-d16")
nexpaq 1:55a6170b404f 67 self.cpu.append("-mfloat-abi=softfp")
nexpaq 1:55a6170b404f 68 elif target.core == "Cortex-M7F":
nexpaq 1:55a6170b404f 69 self.cpu.append("-mfpu=fpv5-sp-d16")
nexpaq 1:55a6170b404f 70 self.cpu.append("-mfloat-abi=softfp")
nexpaq 1:55a6170b404f 71 elif target.core == "Cortex-M7FD":
nexpaq 1:55a6170b404f 72 self.cpu.append("-mfpu=fpv5-d16")
nexpaq 1:55a6170b404f 73 self.cpu.append("-mfloat-abi=softfp")
nexpaq 1:55a6170b404f 74
nexpaq 1:55a6170b404f 75
nexpaq 1:55a6170b404f 76
nexpaq 1:55a6170b404f 77 if target.core == "Cortex-A9":
nexpaq 1:55a6170b404f 78 self.cpu.append("-mthumb-interwork")
nexpaq 1:55a6170b404f 79 self.cpu.append("-marm")
nexpaq 1:55a6170b404f 80 self.cpu.append("-march=armv7-a")
nexpaq 1:55a6170b404f 81 self.cpu.append("-mfpu=vfpv3")
nexpaq 1:55a6170b404f 82 self.cpu.append("-mfloat-abi=hard")
nexpaq 1:55a6170b404f 83 self.cpu.append("-mno-unaligned-access")
nexpaq 1:55a6170b404f 84
nexpaq 1:55a6170b404f 85
nexpaq 1:55a6170b404f 86 # Note: We are using "-O2" instead of "-Os" to avoid this known GCC bug:
nexpaq 1:55a6170b404f 87 # http://gcc.gnu.org/bugzilla/show_bug.cgi?id=46762
nexpaq 1:55a6170b404f 88 self.flags["common"] += self.cpu
nexpaq 1:55a6170b404f 89
nexpaq 1:55a6170b404f 90 if "save-asm" in self.options:
nexpaq 1:55a6170b404f 91 self.flags["common"].append("-save-temps")
nexpaq 1:55a6170b404f 92
nexpaq 1:55a6170b404f 93 if "debug-info" in self.options:
nexpaq 1:55a6170b404f 94 self.flags["common"].append("-g")
nexpaq 1:55a6170b404f 95 self.flags["common"].append("-O0")
nexpaq 1:55a6170b404f 96 else:
nexpaq 1:55a6170b404f 97 self.flags["common"].append("-Os")
nexpaq 1:55a6170b404f 98
nexpaq 1:55a6170b404f 99 main_cc = join(tool_path, "arm-none-eabi-gcc")
nexpaq 1:55a6170b404f 100 main_cppc = join(tool_path, "arm-none-eabi-g++")
nexpaq 1:55a6170b404f 101 self.asm = [main_cc] + self.flags['asm'] + self.flags["common"]
nexpaq 1:55a6170b404f 102 self.cc = [main_cc]
nexpaq 1:55a6170b404f 103 self.cppc =[main_cppc]
nexpaq 1:55a6170b404f 104 self.cc += self.flags['c'] + self.flags['common']
nexpaq 1:55a6170b404f 105 self.cppc += self.flags['cxx'] + self.flags['common']
nexpaq 1:55a6170b404f 106
nexpaq 1:55a6170b404f 107 self.flags['ld'] += self.cpu
nexpaq 1:55a6170b404f 108 self.ld = [join(tool_path, "arm-none-eabi-gcc")] + self.flags['ld']
nexpaq 1:55a6170b404f 109 self.sys_libs = ["stdc++", "supc++", "m", "c", "gcc"]
nexpaq 1:55a6170b404f 110
nexpaq 1:55a6170b404f 111 self.ar = join(tool_path, "arm-none-eabi-ar")
nexpaq 1:55a6170b404f 112 self.elf2bin = join(tool_path, "arm-none-eabi-objcopy")
nexpaq 1:55a6170b404f 113
nexpaq 1:55a6170b404f 114 if tool_path:
nexpaq 1:55a6170b404f 115 self.toolchain_path = main_cc
nexpaq 1:55a6170b404f 116 else:
nexpaq 1:55a6170b404f 117 self.toolchain_path = find_executable("arm-none-eabi-gcc") or ''
nexpaq 1:55a6170b404f 118
nexpaq 1:55a6170b404f 119 def parse_dependencies(self, dep_path):
nexpaq 1:55a6170b404f 120 dependencies = []
nexpaq 1:55a6170b404f 121 buff = open(dep_path).readlines()
nexpaq 1:55a6170b404f 122 buff[0] = re.sub('^(.*?)\: ', '', buff[0])
nexpaq 1:55a6170b404f 123 for line in buff:
nexpaq 1:55a6170b404f 124 file = line.replace('\\\n', '').strip()
nexpaq 1:55a6170b404f 125 if file:
nexpaq 1:55a6170b404f 126 # GCC might list more than one dependency on a single line, in this case
nexpaq 1:55a6170b404f 127 # the dependencies are separated by a space. However, a space might also
nexpaq 1:55a6170b404f 128 # indicate an actual space character in a dependency path, but in this case
nexpaq 1:55a6170b404f 129 # the space character is prefixed by a backslash.
nexpaq 1:55a6170b404f 130 # Temporary replace all '\ ' with a special char that is not used (\a in this
nexpaq 1:55a6170b404f 131 # case) to keep them from being interpreted by 'split' (they will be converted
nexpaq 1:55a6170b404f 132 # back later to a space char)
nexpaq 1:55a6170b404f 133 file = file.replace('\\ ', '\a')
nexpaq 1:55a6170b404f 134 if file.find(" ") == -1:
nexpaq 1:55a6170b404f 135 dependencies.append((self.CHROOT if self.CHROOT else '') + file.replace('\a', ' '))
nexpaq 1:55a6170b404f 136 else:
nexpaq 1:55a6170b404f 137 dependencies = dependencies + [(self.CHROOT if self.CHROOT else '') + f.replace('\a', ' ') for f in file.split(" ")]
nexpaq 1:55a6170b404f 138 return dependencies
nexpaq 1:55a6170b404f 139
nexpaq 1:55a6170b404f 140 def is_not_supported_error(self, output):
nexpaq 1:55a6170b404f 141 return "error: #error [NOT_SUPPORTED]" in output
nexpaq 1:55a6170b404f 142
nexpaq 1:55a6170b404f 143 def parse_output(self, output):
nexpaq 1:55a6170b404f 144 # The warning/error notification is multiline
nexpaq 1:55a6170b404f 145 msg = None
nexpaq 1:55a6170b404f 146 for line in output.splitlines():
nexpaq 1:55a6170b404f 147 match = GCC.DIAGNOSTIC_PATTERN.search(line)
nexpaq 1:55a6170b404f 148 if match is not None:
nexpaq 1:55a6170b404f 149 if msg is not None:
nexpaq 1:55a6170b404f 150 self.cc_info(msg)
nexpaq 1:55a6170b404f 151 msg = {
nexpaq 1:55a6170b404f 152 'severity': match.group('severity').lower(),
nexpaq 1:55a6170b404f 153 'file': match.group('file'),
nexpaq 1:55a6170b404f 154 'line': match.group('line'),
nexpaq 1:55a6170b404f 155 'col': 0,
nexpaq 1:55a6170b404f 156 'message': match.group('message'),
nexpaq 1:55a6170b404f 157 'text': '',
nexpaq 1:55a6170b404f 158 'target_name': self.target.name,
nexpaq 1:55a6170b404f 159 'toolchain_name': self.name
nexpaq 1:55a6170b404f 160 }
nexpaq 1:55a6170b404f 161 elif msg is not None:
nexpaq 1:55a6170b404f 162 # Determine the warning/error column by calculating the ^ position
nexpaq 1:55a6170b404f 163 match = GCC.INDEX_PATTERN.match(line)
nexpaq 1:55a6170b404f 164 if match is not None:
nexpaq 1:55a6170b404f 165 msg['col'] = len(match.group('col'))
nexpaq 1:55a6170b404f 166 self.cc_info(msg)
nexpaq 1:55a6170b404f 167 msg = None
nexpaq 1:55a6170b404f 168 else:
nexpaq 1:55a6170b404f 169 msg['text'] += line+"\n"
nexpaq 1:55a6170b404f 170
nexpaq 1:55a6170b404f 171 def get_dep_option(self, object):
nexpaq 1:55a6170b404f 172 base, _ = splitext(object)
nexpaq 1:55a6170b404f 173 dep_path = base + '.d'
nexpaq 1:55a6170b404f 174 return ["-MD", "-MF", dep_path]
nexpaq 1:55a6170b404f 175
nexpaq 1:55a6170b404f 176 def get_config_option(self, config_header):
nexpaq 1:55a6170b404f 177 return ['-include', config_header]
nexpaq 1:55a6170b404f 178
nexpaq 1:55a6170b404f 179 def get_compile_options(self, defines, includes, for_asm=False):
nexpaq 1:55a6170b404f 180 opts = ['-D%s' % d for d in defines]
nexpaq 1:55a6170b404f 181 if self.RESPONSE_FILES:
nexpaq 1:55a6170b404f 182 opts += ['@%s' % self.get_inc_file(includes)]
nexpaq 1:55a6170b404f 183 else:
nexpaq 1:55a6170b404f 184 opts += ["-I%s" % i for i in includes]
nexpaq 1:55a6170b404f 185
nexpaq 1:55a6170b404f 186 if not for_asm:
nexpaq 1:55a6170b404f 187 config_header = self.get_config_header()
nexpaq 1:55a6170b404f 188 if config_header is not None:
nexpaq 1:55a6170b404f 189 opts = opts + self.get_config_option(config_header)
nexpaq 1:55a6170b404f 190 return opts
nexpaq 1:55a6170b404f 191
nexpaq 1:55a6170b404f 192 @hook_tool
nexpaq 1:55a6170b404f 193 def assemble(self, source, object, includes):
nexpaq 1:55a6170b404f 194 # Build assemble command
nexpaq 1:55a6170b404f 195 cmd = self.asm + self.get_compile_options(self.get_symbols(True), includes) + ["-o", object, source]
nexpaq 1:55a6170b404f 196
nexpaq 1:55a6170b404f 197 # Call cmdline hook
nexpaq 1:55a6170b404f 198 cmd = self.hook.get_cmdline_assembler(cmd)
nexpaq 1:55a6170b404f 199
nexpaq 1:55a6170b404f 200 # Return command array, don't execute
nexpaq 1:55a6170b404f 201 return [cmd]
nexpaq 1:55a6170b404f 202
nexpaq 1:55a6170b404f 203 @hook_tool
nexpaq 1:55a6170b404f 204 def compile(self, cc, source, object, includes):
nexpaq 1:55a6170b404f 205 # Build compile command
nexpaq 1:55a6170b404f 206 cmd = cc + self.get_compile_options(self.get_symbols(), includes)
nexpaq 1:55a6170b404f 207
nexpaq 1:55a6170b404f 208 cmd.extend(self.get_dep_option(object))
nexpaq 1:55a6170b404f 209
nexpaq 1:55a6170b404f 210 cmd.extend(["-o", object, source])
nexpaq 1:55a6170b404f 211
nexpaq 1:55a6170b404f 212 # Call cmdline hook
nexpaq 1:55a6170b404f 213 cmd = self.hook.get_cmdline_compiler(cmd)
nexpaq 1:55a6170b404f 214
nexpaq 1:55a6170b404f 215 return [cmd]
nexpaq 1:55a6170b404f 216
nexpaq 1:55a6170b404f 217 def compile_c(self, source, object, includes):
nexpaq 1:55a6170b404f 218 return self.compile(self.cc, source, object, includes)
nexpaq 1:55a6170b404f 219
nexpaq 1:55a6170b404f 220 def compile_cpp(self, source, object, includes):
nexpaq 1:55a6170b404f 221 return self.compile(self.cppc, source, object, includes)
nexpaq 1:55a6170b404f 222
nexpaq 1:55a6170b404f 223 @hook_tool
nexpaq 1:55a6170b404f 224 def link(self, output, objects, libraries, lib_dirs, mem_map):
nexpaq 1:55a6170b404f 225 libs = []
nexpaq 1:55a6170b404f 226 for l in libraries:
nexpaq 1:55a6170b404f 227 name, _ = splitext(basename(l))
nexpaq 1:55a6170b404f 228 libs.append("-l%s" % name[3:])
nexpaq 1:55a6170b404f 229 libs.extend(["-l%s" % l for l in self.sys_libs])
nexpaq 1:55a6170b404f 230
nexpaq 1:55a6170b404f 231 # Build linker command
nexpaq 1:55a6170b404f 232 map_file = splitext(output)[0] + ".map"
nexpaq 1:55a6170b404f 233 cmd = self.ld + ["-o", output, "-Wl,-Map=%s" % map_file] + objects + ["-Wl,--start-group"] + libs + ["-Wl,--end-group"]
nexpaq 1:55a6170b404f 234 if mem_map:
nexpaq 1:55a6170b404f 235 cmd.extend(['-T', mem_map])
nexpaq 1:55a6170b404f 236
nexpaq 1:55a6170b404f 237 for L in lib_dirs:
nexpaq 1:55a6170b404f 238 cmd.extend(['-L', L])
nexpaq 1:55a6170b404f 239 cmd.extend(libs)
nexpaq 1:55a6170b404f 240
nexpaq 1:55a6170b404f 241 # Call cmdline hook
nexpaq 1:55a6170b404f 242 cmd = self.hook.get_cmdline_linker(cmd)
nexpaq 1:55a6170b404f 243
nexpaq 1:55a6170b404f 244 if self.RESPONSE_FILES:
nexpaq 1:55a6170b404f 245 # Split link command to linker executable + response file
nexpaq 1:55a6170b404f 246 cmd_linker = cmd[0]
nexpaq 1:55a6170b404f 247 link_files = self.get_link_file(cmd[1:])
nexpaq 1:55a6170b404f 248 cmd = [cmd_linker, "@%s" % link_files]
nexpaq 1:55a6170b404f 249
nexpaq 1:55a6170b404f 250 # Exec command
nexpaq 1:55a6170b404f 251 self.cc_verbose("Link: %s" % ' '.join(cmd))
nexpaq 1:55a6170b404f 252 self.default_cmd(cmd)
nexpaq 1:55a6170b404f 253
nexpaq 1:55a6170b404f 254 @hook_tool
nexpaq 1:55a6170b404f 255 def archive(self, objects, lib_path):
nexpaq 1:55a6170b404f 256 if self.RESPONSE_FILES:
nexpaq 1:55a6170b404f 257 param = ["@%s" % self.get_arch_file(objects)]
nexpaq 1:55a6170b404f 258 else:
nexpaq 1:55a6170b404f 259 param = objects
nexpaq 1:55a6170b404f 260
nexpaq 1:55a6170b404f 261 # Exec command
nexpaq 1:55a6170b404f 262 self.default_cmd([self.ar, 'rcs', lib_path] + param)
nexpaq 1:55a6170b404f 263
nexpaq 1:55a6170b404f 264 @hook_tool
nexpaq 1:55a6170b404f 265 def binary(self, resources, elf, bin):
nexpaq 1:55a6170b404f 266 # Build binary command
nexpaq 1:55a6170b404f 267 cmd = [self.elf2bin, "-O", "binary", elf, bin]
nexpaq 1:55a6170b404f 268
nexpaq 1:55a6170b404f 269 # Call cmdline hook
nexpaq 1:55a6170b404f 270 cmd = self.hook.get_cmdline_binary(cmd)
nexpaq 1:55a6170b404f 271
nexpaq 1:55a6170b404f 272 # Exec command
nexpaq 1:55a6170b404f 273 self.cc_verbose("FromELF: %s" % ' '.join(cmd))
nexpaq 1:55a6170b404f 274 self.default_cmd(cmd)
nexpaq 1:55a6170b404f 275
nexpaq 1:55a6170b404f 276
nexpaq 1:55a6170b404f 277 class GCC_ARM(GCC):
nexpaq 1:55a6170b404f 278 def __init__(self, target, options=None, notify=None, macros=None, silent=False, extra_verbose=False):
nexpaq 1:55a6170b404f 279 GCC.__init__(self, target, options, notify, macros, silent, TOOLCHAIN_PATHS['GCC_ARM'], extra_verbose=extra_verbose)
nexpaq 1:55a6170b404f 280
nexpaq 1:55a6170b404f 281 # Use latest gcc nanolib
nexpaq 1:55a6170b404f 282 if "std-lib" in self.options:
nexpaq 1:55a6170b404f 283 use_nano = False
nexpaq 1:55a6170b404f 284 elif "small-lib" in self.options:
nexpaq 1:55a6170b404f 285 use_nano = True
nexpaq 1:55a6170b404f 286 elif target.default_lib == "std":
nexpaq 1:55a6170b404f 287 use_nano = False
nexpaq 1:55a6170b404f 288 elif target.default_lib == "small":
nexpaq 1:55a6170b404f 289 use_nano = True
nexpaq 1:55a6170b404f 290 else:
nexpaq 1:55a6170b404f 291 use_nano = False
nexpaq 1:55a6170b404f 292
nexpaq 1:55a6170b404f 293 if use_nano:
nexpaq 1:55a6170b404f 294 self.ld.append("--specs=nano.specs")
nexpaq 1:55a6170b404f 295 self.flags['ld'].append("--specs=nano.specs")
nexpaq 1:55a6170b404f 296 self.cc += ["-DMBED_RTOS_SINGLE_THREAD"]
nexpaq 1:55a6170b404f 297 self.cppc += ["-DMBED_RTOS_SINGLE_THREAD"]
nexpaq 1:55a6170b404f 298 self.macros.extend(["MBED_RTOS_SINGLE_THREAD"])
nexpaq 1:55a6170b404f 299 self.sys_libs.append("nosys")
nexpaq 1:55a6170b404f 300
nexpaq 1:55a6170b404f 301
nexpaq 1:55a6170b404f 302 class GCC_CR(GCC):
nexpaq 1:55a6170b404f 303 def __init__(self, target, options=None, notify=None, macros=None, silent=False, extra_verbose=False):
nexpaq 1:55a6170b404f 304 GCC.__init__(self, target, options, notify, macros, silent, TOOLCHAIN_PATHS['GCC_CR'], extra_verbose=extra_verbose)
nexpaq 1:55a6170b404f 305
nexpaq 1:55a6170b404f 306 additional_compiler_flags = [
nexpaq 1:55a6170b404f 307 "-D__NEWLIB__", "-D__CODE_RED", "-D__USE_CMSIS", "-DCPP_USE_HEAP",
nexpaq 1:55a6170b404f 308 ]
nexpaq 1:55a6170b404f 309 self.cc += additional_compiler_flags
nexpaq 1:55a6170b404f 310 self.cppc += additional_compiler_flags
nexpaq 1:55a6170b404f 311
nexpaq 1:55a6170b404f 312 # Use latest gcc nanolib
nexpaq 1:55a6170b404f 313 self.ld.append("--specs=nano.specs")
nexpaq 1:55a6170b404f 314 if target.name in ["LPC1768", "LPC4088", "LPC4088_DM", "LPC4330", "UBLOX_C027", "LPC2368"]:
nexpaq 1:55a6170b404f 315 self.ld.extend(["-u _printf_float", "-u _scanf_float"])
nexpaq 1:55a6170b404f 316 self.ld += ["-nostdlib"]