fe7a5d7120
Currently check-package only knows about ifeq/ifneq. Add code to handle ifdef/ifndef as well. Signed-off-by: Ricardo Martincoski <ricardo.martincoski@gmail.com> Reviewed-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be> Signed-off-by: Peter Korsgaard <peter@korsgaard.com>
268 lines
9.3 KiB
Python
268 lines
9.3 KiB
Python
# See utils/checkpackagelib/readme.txt before editing this file.
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# There are already dependency checks during the build, so below check
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# functions don't need to check for things already checked by exploring the
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# menu options using "make menuconfig" and by running "make" with appropriate
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# packages enabled.
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import re
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from checkpackagelib.base import _CheckFunction
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from checkpackagelib.lib import ConsecutiveEmptyLines # noqa: F401
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from checkpackagelib.lib import EmptyLastLine # noqa: F401
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from checkpackagelib.lib import NewlineAtEof # noqa: F401
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from checkpackagelib.lib import TrailingSpace # noqa: F401
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# used in more than one check
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start_conditional = ["ifdef", "ifeq", "ifndef", "ifneq"]
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end_conditional = ["endif"]
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class Indent(_CheckFunction):
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COMMENT = re.compile("^\s*#")
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CONDITIONAL = re.compile("^\s*({})\s".format("|".join(start_conditional + end_conditional)))
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ENDS_WITH_BACKSLASH = re.compile(r"^[^#].*\\$")
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END_DEFINE = re.compile("^\s*endef\s")
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MAKEFILE_TARGET = re.compile("^[^# \t]+:\s")
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START_DEFINE = re.compile("^\s*define\s")
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def before(self):
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self.define = False
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self.backslash = False
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self.makefile_target = False
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def check_line(self, lineno, text):
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if self.START_DEFINE.search(text):
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self.define = True
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return
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if self.END_DEFINE.search(text):
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self.define = False
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return
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expect_tabs = False
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if self.define or self.backslash or self.makefile_target:
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expect_tabs = True
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if self.CONDITIONAL.search(text):
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expect_tabs = False
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# calculate for next line
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if self.ENDS_WITH_BACKSLASH.search(text):
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self.backslash = True
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else:
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self.backslash = False
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if self.MAKEFILE_TARGET.search(text):
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self.makefile_target = True
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return
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if text.strip() == "":
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self.makefile_target = False
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return
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# comment can be indented or not inside define ... endef, so ignore it
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if self.define and self.COMMENT.search(text):
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return
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if expect_tabs:
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if not text.startswith("\t"):
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return ["{}:{}: expected indent with tabs"
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.format(self.filename, lineno),
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text]
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else:
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if text.startswith("\t"):
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return ["{}:{}: unexpected indent with tabs"
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.format(self.filename, lineno),
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text]
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class PackageHeader(_CheckFunction):
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def before(self):
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self.skip = False
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def check_line(self, lineno, text):
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if self.skip or lineno > 6:
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return
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if lineno in [1, 5]:
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if lineno == 1 and text.startswith("include "):
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self.skip = True
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return
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if text.rstrip() != "#" * 80:
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return ["{}:{}: should be 80 hashes ({}#writing-rules-mk)"
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.format(self.filename, lineno, self.url_to_manual),
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text,
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"#" * 80]
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elif lineno in [2, 4]:
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if text.rstrip() != "#":
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return ["{}:{}: should be 1 hash ({}#writing-rules-mk)"
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.format(self.filename, lineno, self.url_to_manual),
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text]
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elif lineno == 6:
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if text.rstrip() != "":
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return ["{}:{}: should be a blank line ({}#writing-rules-mk)"
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.format(self.filename, lineno, self.url_to_manual),
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text]
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class RemoveDefaultPackageSourceVariable(_CheckFunction):
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packages_that_may_contain_default_source = ["binutils", "gcc", "gdb"]
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PACKAGE_NAME = re.compile("/([^/]+)\.mk")
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def before(self):
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package = self.PACKAGE_NAME.search(self.filename).group(1)
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package_upper = package.replace("-", "_").upper()
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self.package = package
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self.FIND_SOURCE = re.compile(
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"^{}_SOURCE\s*=\s*{}-\$\({}_VERSION\)\.tar\.gz"
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.format(package_upper, package, package_upper))
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def check_line(self, lineno, text):
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if self.FIND_SOURCE.search(text):
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if self.package in self.packages_that_may_contain_default_source:
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return
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return ["{}:{}: remove default value of _SOURCE variable "
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"({}#generic-package-reference)"
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.format(self.filename, lineno, self.url_to_manual),
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text]
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class SpaceBeforeBackslash(_CheckFunction):
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TAB_OR_MULTIPLE_SPACES_BEFORE_BACKSLASH = re.compile(r"^.*( |\t ?)\\$")
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def check_line(self, lineno, text):
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if self.TAB_OR_MULTIPLE_SPACES_BEFORE_BACKSLASH.match(text.rstrip()):
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return ["{}:{}: use only one space before backslash"
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.format(self.filename, lineno),
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text]
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class TrailingBackslash(_CheckFunction):
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ENDS_WITH_BACKSLASH = re.compile(r"^[^#].*\\$")
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def before(self):
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self.backslash = False
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def check_line(self, lineno, text):
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last_line_ends_in_backslash = self.backslash
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# calculate for next line
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if self.ENDS_WITH_BACKSLASH.search(text):
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self.backslash = True
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self.lastline = text
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return
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self.backslash = False
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if last_line_ends_in_backslash and text.strip() == "":
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return ["{}:{}: remove trailing backslash"
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.format(self.filename, lineno - 1),
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self.lastline]
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class TypoInPackageVariable(_CheckFunction):
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ALLOWED = re.compile("|".join([
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"ACLOCAL_DIR",
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"ACLOCAL_HOST_DIR",
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"BR_CCACHE_INITIAL_SETUP",
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"BR_LIBC",
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"BR_NO_CHECK_HASH_FOR",
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"LINUX_EXTENSIONS",
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"LINUX_POST_PATCH_HOOKS",
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"LINUX_TOOLS",
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"LUA_RUN",
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"MKFS_JFFS2",
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"MKIMAGE_ARCH",
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"PACKAGES_PERMISSIONS_TABLE",
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"PKG_CONFIG_HOST_BINARY",
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"SUMTOOL",
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"TARGET_FINALIZE_HOOKS",
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"TARGETS_ROOTFS",
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"XTENSA_CORE_NAME"]))
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PACKAGE_NAME = re.compile("/([^/]+)\.mk")
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VARIABLE = re.compile("^([A-Z0-9_]+_[A-Z0-9_]+)\s*(\+|)=")
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def before(self):
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package = self.PACKAGE_NAME.search(self.filename).group(1)
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package = package.replace("-", "_").upper()
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# linux tools do not use LINUX_TOOL_ prefix for variables
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package = package.replace("LINUX_TOOL_", "")
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# linux extensions do not use LINUX_EXT_ prefix for variables
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package = package.replace("LINUX_EXT_", "")
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self.package = package
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self.REGEX = re.compile("^(HOST_|ROOTFS_)?({}_[A-Z0-9_]+)".format(package))
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self.FIND_VIRTUAL = re.compile(
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"^{}_PROVIDES\s*(\+|)=\s*(.*)".format(package))
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self.virtual = []
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def check_line(self, lineno, text):
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m = self.VARIABLE.search(text)
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if m is None:
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return
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variable = m.group(1)
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# allow to set variables for virtual package this package provides
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v = self.FIND_VIRTUAL.search(text)
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if v:
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self.virtual += v.group(2).upper().split()
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return
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for virtual in self.virtual:
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if variable.startswith("{}_".format(virtual)):
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return
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if self.ALLOWED.match(variable):
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return
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if self.REGEX.search(text) is None:
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return ["{}:{}: possible typo: {} -> *{}*"
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.format(self.filename, lineno, variable, self.package),
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text]
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class UselessFlag(_CheckFunction):
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DEFAULT_AUTOTOOLS_FLAG = re.compile("^.*{}".format("|".join([
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"_AUTORECONF\s*=\s*NO",
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"_LIBTOOL_PATCH\s*=\s*YES"])))
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DEFAULT_GENERIC_FLAG = re.compile("^.*{}".format("|".join([
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"_INSTALL_IMAGES\s*=\s*NO",
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"_INSTALL_REDISTRIBUTE\s*=\s*YES",
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"_INSTALL_STAGING\s*=\s*NO",
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"_INSTALL_TARGET\s*=\s*YES"])))
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END_CONDITIONAL = re.compile("^\s*({})".format("|".join(end_conditional)))
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START_CONDITIONAL = re.compile("^\s*({})".format("|".join(start_conditional)))
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def before(self):
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self.conditional = 0
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def check_line(self, lineno, text):
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if self.START_CONDITIONAL.search(text):
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self.conditional += 1
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return
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if self.END_CONDITIONAL.search(text):
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self.conditional -= 1
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return
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# allow non-default conditionally overridden by default
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if self.conditional > 0:
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return
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if self.DEFAULT_GENERIC_FLAG.search(text):
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return ["{}:{}: useless default value ({}#"
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"_infrastructure_for_packages_with_specific_build_systems)"
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.format(self.filename, lineno, self.url_to_manual),
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text]
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if self.DEFAULT_AUTOTOOLS_FLAG.search(text) and not text.lstrip().startswith("HOST_"):
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return ["{}:{}: useless default value "
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"({}#_infrastructure_for_autotools_based_packages)"
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.format(self.filename, lineno, self.url_to_manual),
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text]
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class VariableWithBraces(_CheckFunction):
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VARIABLE_WITH_BRACES = re.compile(r"^[^#].*[^$]\${\w+}")
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def check_line(self, lineno, text):
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if self.VARIABLE_WITH_BRACES.match(text.rstrip()):
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return ["{}:{}: use $() to delimit variables, not ${{}}"
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.format(self.filename, lineno),
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text]
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