Packages with the cxx use flag

Global definition: Build support for C++ (bindings, extra libraries, code generation, ...).

app-crypt / gpgme : GnuPG Made Easy is a library for making GnuPG easier to use

app-text / poppler : PDF rendering library based on the xpdf-3.0 code base

dev-db / qdbm : Quick Database Manager

dev-embedded / libftdi : Userspace access to FTDI USB interface chips

dev-lang / gnat-gpl : GNAT Ada Compiler - GPL version

dev-libs / beecrypt : General-purpose cryptography library

dev-libs / boehm-gc : The Boehm-Demers-Weiser conservative garbage collector

dev-libs / gmp : Library for arbitrary-precision arithmetic on different type of numbers

dev-libs / libcdio : A library to encapsulate CD-ROM reading and control

dev-libs / libcdio-paranoia : an advanced CDDA reader with error correction

dev-libs / libconfig : Libconfig is a simple library for manipulating structured configuration files

dev-libs / libpcre : Perl-compatible regular expression library

dev-libs / msgpack : MessagePack is a binary-based efficient data interchange format

dev-libs / ossp-uuid : An ISO-C:1999 API with CLI for generating DCE, ISO/IEC and RFC compliant UUID

dev-libs / ppl : The Parma Polyhedra Library for numerical analysis of complex systems

dev-libs / ucommon : Portable C++ runtime for threads and sockets

dev-libs / xmlrpc-c : A lightweigt RPC library based on XML and HTTP

dev-lisp / ecls : ECL is an embeddable Common Lisp implementation

gnustep-base / libobjc2 : GNUstep Objective-C runtime

media-gfx / graphicsmagick : Collection of tools and libraries for many image formats

media-gfx / imagemagick : A collection of tools and libraries for many image formats

media-libs / aften : An A/52 (AC-3) audio encoder

media-libs / flac : free lossless audio encoder and decoder

media-libs / libcaca : A library that creates colored ASCII-art graphics

media-libs / portaudio : A free, cross-platform, open-source, audio I/O library

media-libs / tiff : Tag Image File Format (TIFF) library

media-sound / csound : Sound design and signal processing system for composition and performance

media-sound / xmms2 : X(cross)platform Music Multiplexing System. Next generation of the XMMS player

net-libs / gnutls : A TLS 1.2 and SSL 3.0 implementation for the GNU project

net-libs / nghttp2 : HTTP/2 C Library

net-libs / onion : C library to create simple HTTP servers and Web Applications

net-nds / openldap : LDAP suite of application and development tools

sci-astronomy / healpix : Hierarchical Equal Area isoLatitude Pixelization of a sphere

sci-geosciences / gpsd : GPS daemon and library for USB/serial GPS devices and GPS/mapping clients

sci-geosciences / grass : A free GIS with raster and vector functionality, as well as 3D vizualization

sci-libs / getdata : Reference implementation of the Dirfile, format for time-ordered binary data

sci-libs / hdf5 : General purpose library and file format for storing scientific data

sci-libs / libsigrok : basic hardware drivers for logic analyzers and input/output file format support

sci-libs / mpir : Library for arbitrary precision integer arithmetic (fork of gmp)

sci-libs / nlopt : Non-linear optimization library

sci-libs / plplot : Multi-language scientific plotting library

sci-libs / sundials : Suite of nonlinear solvers

sci-libs / xkaapi : Kernel for Adaptative, Asynchronous Parallel and Interactive programming

sci-physics / lhapdf : Les Houches Parton Density Function unified library

sys-cluster / mpich : A high performance and portable MPI implementation

sys-cluster / mpich2 : A high performance and portable MPI implementation

sys-cluster / openmpi : A high-performance message passing library (MPI)

sys-devel / binutils : Tools necessary to build programs

sys-devel / binutils-hppa64 : Tools necessary to build programs

sys-devel / gcc : The GNU Compiler Collection

sys-devel / gcc-apple : Apple branch of the GNU Compiler Collection, Developer Tools 4.0

sys-devel / gettext : GNU locale utilities

sys-freebsd / freebsd-sbin : FreeBSD sbin utils

sys-libs / db : Oracle Berkeley DB

sys-libs / ncurses : console display library

virtual / mpi : Virtual for Message Passing Interface (MPI) v2.0 implementation

www-servers / civetweb : Embedded C/C++ web server