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require 'formula'
class Yara < Formula
homepage 'https://github.com/plusvic/yara/'
url 'https://github.com/plusvic/yara/archive/v3.0.0.tar.gz'
sha1 '43e7e0df03043cab1ab8299ef7ebee4d2c5d39dc'
depends_on 'pcre'
depends_on 'libtool' => :build
depends_on 'autoconf' => :build
depends_on 'automake' => :build
def install
# Use of 'inline' requires gnu89 semantics
ENV.append 'CFLAGS', '-std=gnu89' if ENV.compiler == :clang
# find Homebrew's libpcre
ENV.append 'LDFLAGS', "-L#{Formula["pcre"].opt_lib} -lpcre"
system "./bootstrap.sh"
system "./configure", "--disable-debug",
"--disable-dependency-tracking",
"--prefix=#{prefix}"
system "make install"
end
test do
rules = testpath/"commodore.yara"
rules.write <<-EOS.undent
rule chrout {
meta:
description = "Calls CBM KERNAL routine CHROUT"
strings:
$jsr_chrout = {20 D2 FF}
$jmp_chrout = {4C D2 FF}
condition:
$jsr_chrout or $jmp_chrout
}
EOS
program = testpath/"zero.prg"
program.binwrite [0x00, 0xc0, 0xa9, 0x30, 0x4c, 0xd2, 0xff].pack("C*")
assert_equal "chrout #{program}", shell_output("#{bin}/yara #{rules} #{program}").strip
end
end
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