# vim:sw=4:et
#---------------------------------------------------------------
# Module          : rpmlint
# File            : CheckPkgConfig
# Author          : Stephan Kulow, Dirk Mueller
# Purpose         : Check for errors in Pkgconfig files
#---------------------------------------------------------------

from Filter import *
import AbstractCheck
import rpm
import re
import commands
import Config
import os

class PkgConfigCheck(AbstractCheck.AbstractFilesCheck):
    def __init__(self):
        AbstractCheck.AbstractFilesCheck.__init__(self, "PkgConfigCheck", ".*/pkgconfig/.*\.pc$")
        # currently causes too many failures (2008-03-05)
        #self.suspicious_dir=re.compile('(?:/usr/src/\w+/BUILD|/var/tmp|/tmp|/home|\@\w{1,50}\@)')
        self.suspicious_dir=re.compile('(?:/usr/src/\w+/BUILD|/var/tmp|/tmp|/home)')

    def check(self, pkg):
        # check for references to /lib when in lib64 mode
        if pkg.arch in ('x86_64', 'ppc64', 's390x'):
            self.wronglib_dir=re.compile('-L/usr/lib\\b')
        else:
            self.wronglib_dir=re.compile('-L/usr/lib64\\b')

        AbstractCheck.AbstractFilesCheck.check(self, pkg)


    def check_file(self, pkg, filename):
        if pkg.isSource():
            return

        if pkg.grep(self.suspicious_dir, filename):
            printError(pkg, "invalid-pkgconfig-file", filename)

        pc_file=file(pkg.dirName() + "/" + filename, "r")
        for l in pc_file:
            if l.startswith('Libs:') and self.wronglib_dir.search(l):
                printError(pkg, 'pkgconfig-invalid-libs-dir', filename, l)

check=PkgConfigCheck()

if Config.info:
    addDetails(
'invalid-pkgconfig-file',
'''Your .pc file appears to be invalid. Possible causes are:
- it contains traces of $RPM_BUILD_ROOT or $RPM_BUILD_DIR.
- it contains unreplaced macros (@have_foo@)
- it references invalid paths (e.g. /home or /tmp)

Please double-check and report false positives.
''',
'pkgconfig-invalid-libs-dir',
''' Your .pc file contains -L/usr/lib or -L/lib and is built for a lib64 target,
or contains references to -L/usr/lib64 or -L/lib64 and is built for a lib target.
Please remove the wrong library paths from the pc file.'''
)