name = 'flex'
version = '2.6.4'

homepage = 'http://flex.sourceforge.net/'

description = """
 Flex (Fast Lexical Analyzer) is a tool for generating scanners. A scanner,
 sometimes called a tokenizer, is a program which recognizes lexical patterns
 in text.
"""

toolchain = SYSTEM
toolchainopts = {'pic': True}

source_urls = ['https://github.com/westes/flex/releases/download/v%(version)s/']
sources = [SOURCELOWER_TAR_GZ]
checksums = ['e87aae032bf07c26f85ac0ed3250998c37621d95f8bd748b31f15b33c45ee995']

builddependencies = [
    ('Bison', '3.7.6'),
    ('help2man', '1.47.4'),
]

dependencies = [
    ('M4', '1.4.19'),
]

# glibc 2.26 requires _GNU_SOURCE defined to expose reallocarray in the correct
# header, see https://github.com/westes/flex/issues/241
preconfigopts = 'export CPPFLAGS="$CPPFLAGS -D_GNU_SOURCE" && '

moduleclass = 'lang'