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class Boost < Formula
desc "Collection of portable C++ source libraries"
homepage "https://www.boost.org/"
url "https://dl.bintray.com/boostorg/release/1.72.0/source/boost_1_72_0.tar.bz2"
sha256 "59c9b274bc451cf91a9ba1dd2c7fdcaf5d60b1b3aa83f2c9fa143417cc660722"
head "https://github.com/boostorg/boost.git"
bottle do
cellar :any
sha256 "75407eb4e779185ff8efbbcaa55683692d12c5512b20fdf6c25f4fc1982123d5" => :catalina
sha256 "5778608e74bc4017fbb25d277dd0afa58c0ab5b7ec73d859ad8f760267b7b1d6" => :mojave
sha256 "0b4ab9c75c3bbfcdf40d015b48463504d19405f57dec8b061491f113cd3f37e1" => :high_sierra
end
depends_on "icu4c"
def install
# Force boost to compile with the desired compiler
open("user-config.jam", "a") do |file|
file.write "using darwin : : #{ENV.cxx} ;\n"
end
# libdir should be set by --prefix but isn't
icu4c_prefix = Formula["icu4c"].opt_prefix
bootstrap_args = %W[
--prefix=#{prefix}
--libdir=#{lib}
--with-icu=#{icu4c_prefix}
]
# Handle libraries that will not be built.
without_libraries = ["python", "mpi"]
# Boost.Log cannot be built using Apple GCC at the moment. Disabled
# on such systems.
without_libraries << "log" if ENV.compiler == :gcc
bootstrap_args << "--without-libraries=#{without_libraries.join(",")}"
# layout should be synchronized with boost-python and boost-mpi
args = %W[
--prefix=#{prefix}
--libdir=#{lib}
-d2
-j#{ENV.make_jobs}
--layout=tagged-1.66
--user-config=user-config.jam
-sNO_LZMA=1
-sNO_ZSTD=1
install
threading=multi,single
link=shared,static
]
# Boost is using "clang++ -x c" to select C compiler which breaks C++14
# handling using ENV.cxx14. Using "cxxflags" and "linkflags" still works.
args << "cxxflags=-std=c++14"
if ENV.compiler == :clang
args << "cxxflags=-stdlib=libc++" << "linkflags=-stdlib=libc++"
end
system "./bootstrap.sh", *bootstrap_args
system "./b2", "headers"
system "./b2", *args
end
def caveats
s = ""
# ENV.compiler doesn't exist in caveats. Check library availability
# instead.
if Dir["#{lib}/libboost_log*"].empty?
s += <<~EOS
Building of Boost.Log is disabled because it requires newer GCC or Clang.
EOS
end
s
end
test do
(testpath/"test.cpp").write <<~EOS
#include <boost/algorithm/string.hpp>
#include <string>
#include <vector>
#include <assert.h>
using namespace boost::algorithm;
using namespace std;
int main()
{
string str("a,b");
vector<string> strVec;
split(strVec, str, is_any_of(","));
assert(strVec.size()==2);
assert(strVec[0]=="a");
assert(strVec[1]=="b");
return 0;
}
EOS
system ENV.cxx, "test.cpp", "-std=c++14", "-stdlib=libc++", "-o", "test"
system "./test"
end
end
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