homebrew-core/Formula/mpfr@2.rb
2016-12-18 15:32:08 -08:00

63 lines
1.6 KiB
Ruby

class MpfrAT2 < Formula
desc "Multiple-precision floating-point computations C lib"
homepage "http://www.mpfr.org/"
# Track gcc infrastructure releases.
url "http://www.mpfr.org/mpfr-2.4.2/mpfr-2.4.2.tar.bz2"
mirror "ftp://gcc.gnu.org/pub/gcc/infrastructure/mpfr-2.4.2.tar.bz2"
sha256 "c7e75a08a8d49d2082e4caee1591a05d11b9d5627514e678f02d66a124bcf2ba"
keg_only "Older version of mpfr"
depends_on "gmp@4"
fails_with :clang do
build 421
cause <<-EOS.undent
clang build 421 segfaults while building in superenv;
see https://github.com/mxcl/homebrew/issues/15061
EOS
end
def install
args = %W[
--disable-dependency-tracking
--prefix=#{prefix}
--with-gmp=#{Formula["gmp@4"].opt_prefix}
]
# Build 32-bit where appropriate, and help configure find 64-bit CPUs
# Note: This logic should match what the GMP formula does.
if MacOS.prefer_64_bit? && !build.build_32_bit?
ENV.m64
args << "--build=x86_64-apple-darwin"
else
ENV.m32
args << "--build=none-apple-darwin"
end
system "./configure", *args
system "make"
system "make", "check"
system "make", "install"
end
test do
(testpath/"test.c").write <<-EOS.undent
#include <gmp.h>
#include <mpfr.h>
int main()
{
mpfr_t x;
mpfr_init(x);
mpfr_clear(x);
return 0;
}
EOS
gmp = Formula["gmp@4"]
system ENV.cc, "test.c", "-o", "test",
"-lgmp", "-I#{gmp.include}", "-L#{gmp.lib}",
"-lmpfr", "-I#{include}", "-L#{lib}"
system "./test"
end
end