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371 lines
12 KiB
371 lines
12 KiB
5 years ago
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# Copyright (c) 2014-present PlatformIO <contact@platformio.org>
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import absolute_import
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import fnmatch
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import os
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import sys
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from SCons import Builder, Util # pylint: disable=import-error
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from SCons.Node import FS # pylint: disable=import-error
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from SCons.Script import COMMAND_LINE_TARGETS # pylint: disable=import-error
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from SCons.Script import AlwaysBuild # pylint: disable=import-error
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from SCons.Script import DefaultEnvironment # pylint: disable=import-error
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from SCons.Script import Export # pylint: disable=import-error
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from SCons.Script import SConscript # pylint: disable=import-error
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from platformio import fs
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from platformio.compat import string_types
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from platformio.util import pioversion_to_intstr
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SRC_HEADER_EXT = ["h", "hpp"]
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SRC_ASM_EXT = ["S", "spp", "SPP", "sx", "s", "asm", "ASM"]
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SRC_C_EXT = ["c"]
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SRC_CXX_EXT = ["cc", "cpp", "cxx", "c++"]
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SRC_BUILD_EXT = SRC_C_EXT + SRC_CXX_EXT + SRC_ASM_EXT
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SRC_FILTER_DEFAULT = ["+<*>", "-<.git%s>" % os.sep, "-<.svn%s>" % os.sep]
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def scons_patched_match_splitext(path, suffixes=None):
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"""Patch SCons Builder, append $OBJSUFFIX to the end of each target"""
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tokens = Util.splitext(path)
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if suffixes and tokens[1] and tokens[1] in suffixes:
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return (path, tokens[1])
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return tokens
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def GetBuildType(env):
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return (
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"debug"
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if (
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set(["debug", "sizedata"]) & set(COMMAND_LINE_TARGETS)
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or env.GetProjectOption("build_type") == "debug"
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)
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else "release"
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)
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def BuildProgram(env):
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env.ProcessProgramDeps()
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env.ProcessProjectDeps()
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# append into the beginning a main LD script
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if env.get("LDSCRIPT_PATH") and not any("-Wl,-T" in f for f in env["LINKFLAGS"]):
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env.Prepend(LINKFLAGS=["-T", env.subst("$LDSCRIPT_PATH")])
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# enable "cyclic reference" for linker
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if env.get("LIBS") and env.GetCompilerType() == "gcc":
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env.Prepend(_LIBFLAGS="-Wl,--start-group ")
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env.Append(_LIBFLAGS=" -Wl,--end-group")
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program = env.Program(
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os.path.join("$BUILD_DIR", env.subst("$PROGNAME")), env["PIOBUILDFILES"]
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)
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env.Replace(PIOMAINPROG=program)
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AlwaysBuild(
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env.Alias(
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"checkprogsize",
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program,
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env.VerboseAction(env.CheckUploadSize, "Checking size $PIOMAINPROG"),
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)
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)
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print("Building in %s mode" % env.GetBuildType())
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return program
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def ProcessProgramDeps(env):
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def _append_pio_macros():
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env.AppendUnique(
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CPPDEFINES=[
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(
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"PLATFORMIO",
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int("{0:02d}{1:02d}{2:02d}".format(*pioversion_to_intstr())),
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)
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]
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)
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_append_pio_macros()
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env.PrintConfiguration()
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# fix ASM handling under non case-sensitive OS
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if not Util.case_sensitive_suffixes(".s", ".S"):
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env.Replace(AS="$CC", ASCOM="$ASPPCOM")
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# process extra flags from board
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if "BOARD" in env and "build.extra_flags" in env.BoardConfig():
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env.ProcessFlags(env.BoardConfig().get("build.extra_flags"))
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# apply user flags
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env.ProcessFlags(env.get("BUILD_FLAGS"))
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# process framework scripts
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env.BuildFrameworks(env.get("PIOFRAMEWORK"))
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if env.GetBuildType() == "debug":
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env.ConfigureDebugFlags()
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# remove specified flags
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env.ProcessUnFlags(env.get("BUILD_UNFLAGS"))
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if "__test" in COMMAND_LINE_TARGETS:
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env.ConfigureTestTarget()
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def ProcessProjectDeps(env):
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project_lib_builder = env.ConfigureProjectLibBuilder()
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# prepend project libs to the beginning of list
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env.Prepend(LIBS=project_lib_builder.build())
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# prepend extra linker related options from libs
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env.PrependUnique(
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**{
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key: project_lib_builder.env.get(key)
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for key in ("LIBS", "LIBPATH", "LINKFLAGS")
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if project_lib_builder.env.get(key)
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}
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)
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projenv = env.Clone()
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# CPPPATH from dependencies
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projenv.PrependUnique(CPPPATH=project_lib_builder.env.get("CPPPATH"))
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# extra build flags from `platformio.ini`
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projenv.ProcessFlags(env.get("SRC_BUILD_FLAGS"))
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is_test = "__test" in COMMAND_LINE_TARGETS
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if is_test:
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projenv.BuildSources(
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"$BUILD_TEST_DIR", "$PROJECT_TEST_DIR", "$PIOTEST_SRC_FILTER"
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)
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if not is_test or env.GetProjectOption("test_build_project_src"):
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projenv.BuildSources(
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"$BUILD_SRC_DIR", "$PROJECT_SRC_DIR", env.get("SRC_FILTER")
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)
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if not env.get("PIOBUILDFILES") and not COMMAND_LINE_TARGETS:
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sys.stderr.write(
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"Error: Nothing to build. Please put your source code files "
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"to '%s' folder\n" % env.subst("$PROJECT_SRC_DIR")
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)
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env.Exit(1)
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Export("projenv")
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def ParseFlagsExtended(env, flags): # pylint: disable=too-many-branches
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if not isinstance(flags, list):
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flags = [flags]
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result = {}
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for raw in flags:
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for key, value in env.ParseFlags(str(raw)).items():
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if key not in result:
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result[key] = []
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result[key].extend(value)
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cppdefines = []
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for item in result["CPPDEFINES"]:
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if not Util.is_Sequence(item):
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cppdefines.append(item)
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continue
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name, value = item[:2]
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if '"' in value:
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value = value.replace('"', '\\"')
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elif value.isdigit():
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value = int(value)
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elif value.replace(".", "", 1).isdigit():
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value = float(value)
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cppdefines.append((name, value))
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result["CPPDEFINES"] = cppdefines
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# fix relative CPPPATH & LIBPATH
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for k in ("CPPPATH", "LIBPATH"):
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for i, p in enumerate(result.get(k, [])):
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if os.path.isdir(p):
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result[k][i] = os.path.realpath(p)
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# fix relative path for "-include"
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for i, f in enumerate(result.get("CCFLAGS", [])):
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if isinstance(f, tuple) and f[0] == "-include":
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result["CCFLAGS"][i] = (f[0], env.File(os.path.realpath(f[1].get_path())))
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return result
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def ProcessFlags(env, flags): # pylint: disable=too-many-branches
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if not flags:
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return
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env.Append(**env.ParseFlagsExtended(flags))
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# Cancel any previous definition of name, either built in or
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# provided with a -U option // Issue #191
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undefines = [
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u
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for u in env.get("CCFLAGS", [])
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if isinstance(u, string_types) and u.startswith("-U")
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]
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if undefines:
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for undef in undefines:
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env["CCFLAGS"].remove(undef)
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if undef[2:] in env["CPPDEFINES"]:
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env["CPPDEFINES"].remove(undef[2:])
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env.Append(_CPPDEFFLAGS=" %s" % " ".join(undefines))
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def ProcessUnFlags(env, flags):
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if not flags:
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return
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parsed = env.ParseFlagsExtended(flags)
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# get all flags and copy them to each "*FLAGS" variable
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all_flags = []
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for key, unflags in parsed.items():
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if key.endswith("FLAGS"):
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all_flags.extend(unflags)
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for key, unflags in parsed.items():
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if key.endswith("FLAGS"):
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parsed[key].extend(all_flags)
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for key, unflags in parsed.items():
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for unflag in unflags:
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for current in env.get(key, []):
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conditions = [
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unflag == current,
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isinstance(current, (tuple, list)) and unflag[0] == current[0],
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]
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if any(conditions):
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env[key].remove(current)
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def MatchSourceFiles(env, src_dir, src_filter=None):
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src_filter = env.subst(src_filter) if src_filter else None
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src_filter = src_filter or SRC_FILTER_DEFAULT
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return fs.match_src_files(
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env.subst(src_dir), src_filter, SRC_BUILD_EXT + SRC_HEADER_EXT
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)
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def CollectBuildFiles(
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env, variant_dir, src_dir, src_filter=None, duplicate=False
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): # pylint: disable=too-many-locals
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sources = []
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variants = []
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src_dir = env.subst(src_dir)
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if src_dir.endswith(os.sep):
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src_dir = src_dir[:-1]
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for item in env.MatchSourceFiles(src_dir, src_filter):
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_reldir = os.path.dirname(item)
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_src_dir = os.path.join(src_dir, _reldir) if _reldir else src_dir
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_var_dir = os.path.join(variant_dir, _reldir) if _reldir else variant_dir
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if _var_dir not in variants:
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variants.append(_var_dir)
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env.VariantDir(_var_dir, _src_dir, duplicate)
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if fs.path_endswith_ext(item, SRC_BUILD_EXT):
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sources.append(env.File(os.path.join(_var_dir, os.path.basename(item))))
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for callback, pattern in env.get("__PIO_BUILD_MIDDLEWARES", []):
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tmp = []
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for node in sources:
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if pattern and not fnmatch.fnmatch(node.get_path(), pattern):
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tmp.append(node)
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continue
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n = callback(node)
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if n:
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tmp.append(n)
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sources = tmp
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return sources
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def AddBuildMiddleware(env, callback, pattern=None):
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env.Append(__PIO_BUILD_MIDDLEWARES=[(callback, pattern)])
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def BuildFrameworks(env, frameworks):
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if not frameworks:
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return
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if "BOARD" not in env:
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sys.stderr.write(
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"Please specify `board` in `platformio.ini` to use "
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"with '%s' framework\n" % ", ".join(frameworks)
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)
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env.Exit(1)
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board_frameworks = env.BoardConfig().get("frameworks", [])
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if frameworks == ["platformio"]:
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if board_frameworks:
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frameworks.insert(0, board_frameworks[0])
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else:
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sys.stderr.write("Error: Please specify `board` in `platformio.ini`\n")
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env.Exit(1)
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for f in frameworks:
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if f == "arduino":
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# Arduino IDE appends .o the end of filename
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Builder.match_splitext = scons_patched_match_splitext
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if "nobuild" not in COMMAND_LINE_TARGETS:
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env.ConvertInoToCpp()
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if f in board_frameworks:
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SConscript(env.GetFrameworkScript(f), exports="env")
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else:
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sys.stderr.write("Error: This board doesn't support %s framework!\n" % f)
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env.Exit(1)
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def BuildLibrary(env, variant_dir, src_dir, src_filter=None):
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env.ProcessUnFlags(env.get("BUILD_UNFLAGS"))
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return env.StaticLibrary(
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env.subst(variant_dir), env.CollectBuildFiles(variant_dir, src_dir, src_filter)
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)
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def BuildSources(env, variant_dir, src_dir, src_filter=None):
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nodes = env.CollectBuildFiles(variant_dir, src_dir, src_filter)
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DefaultEnvironment().Append(
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PIOBUILDFILES=[
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env.Object(node) if isinstance(node, FS.File) else node for node in nodes
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]
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)
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def exists(_):
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return True
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def generate(env):
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env.AddMethod(GetBuildType)
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env.AddMethod(BuildProgram)
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env.AddMethod(ProcessProgramDeps)
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env.AddMethod(ProcessProjectDeps)
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env.AddMethod(ParseFlagsExtended)
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env.AddMethod(ProcessFlags)
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env.AddMethod(ProcessUnFlags)
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env.AddMethod(MatchSourceFiles)
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env.AddMethod(CollectBuildFiles)
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env.AddMethod(AddBuildMiddleware)
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env.AddMethod(BuildFrameworks)
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env.AddMethod(BuildLibrary)
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env.AddMethod(BuildSources)
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return env
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