ENH: Example c++ project/recipe

examples/cpp/example_cpp_project/Makefile

+include ${FSLCONFDIR}/default.mk
+
+# All projects must specify a name. The
+# source code for every project is
+# installed into $FSLDIR/src/${PROJNAME}
+PROJNAME = example_cpp_project
+
+# All shared library dependencies required
+# for linking a library or executable must
+# be added to LIBS.
+LIBS = -lfsl-newimage -lfsl-NewNifti -lfsl-znz
+
+# The following variables can be populated
+# with custom preprocessing, compilation,
+# and linking flags, although in general
+# this shouldn't be necessary. Do not set
+# CPPFLAGS, CFLAGS, CXXFLAGS or LDFLAGS
+# directly.
+#
+#   - USRCPPFLAGS - C preprocessor flags
+#   - USRCFLAGS   - C compiler flags
+#   - USRCXXFLAGS - C++ compiler flags
+#   - USRLDFLAGS  - Linker flags
+
+# Shared libraries that are provided by
+# this project must be added to SOFILES.
+# These files are installed into
+# $FSLDIR/lib/.
+SOFILES = libfsl-example_cpp_lib.so
+
+# Executables that are provided by this
+# project must be added to XFILES. These
+# files are installed into $FSLDIR/bin/.
+XFILES = example_cpp_exe
+
+# The following variables can be populated
+# to specify other outputs that are provided
+# by your project:
+#  - AFILES    - Static library files, installed
+#                into $FSLDIR/lib/
+#  - HFILES    - Header files, installed into
+#                $FSLDIR/include/${PROJNAME}
+#                (defaults to *.h)
+#  - SCRIPTS   - Executable scripts are installed
+#                into $FSLDIR/bin/.
+#  - DATAFILES - Data files are installed into
+#                $FSLDIR/data/${PROJNAME}
+all: ${XFILES} ${SOFILES}
+
+libfsl-example_cpp_lib.so: example_cpp_lib.o
+	${CXX} ${CXXFLAGS} -shared -o $@ $^ ${LDFLAGS}
+
+example_cpp_exe: example_cpp_exe.o libfsl-example_cpp_lib.so
+	${CXX} ${CXXFLAGS} -o $@ $< -lfsl-example_cpp_lib ${LDFLAGS}

examples/cpp/example_cpp_project/example_cpp_exe.cpp

+#include <iostream>
+
+#include "example_cpp_lib.h"
+
+int main(int argc, char *argv[]) {
+
+  if (argc < 2) {
+    std::cout << "Usage: example_cpp_exe name" << std::endl;
+    return 1;
+  }
+
+  helloworld(argv[1]);
+
+  return 0;
+}

examples/cpp/example_cpp_project/example_cpp_lib.cpp

+#include <string>
+#include <iostream>
+
+#include "example_cpp_lib.h"
+
+void helloworld(std::string s) {
+  std::cout << "Hello, " << s << std::endl;
+}

examples/cpp/example_cpp_project/example_cpp_lib.h

+#ifndef EXAMPLE_CPP_LIB_H
+#define EXAMPLE_CPP_LIB_H
+
+#include <string>
+#include <iostream>
+
+void helloworld(std::string s);
+
+#endif

examples/cpp/fsl-example_cpp_project/build.sh

+#!/usr/bin/env bash
+
+export FSLDIR=$PREFIX
+export FSLDEVDIR=$PREFIX
+
+mkdir -p $PREFIX/src/
+cp -r $(pwd) $PREFIX/src/$PKG_NAME
+
+. $FSLDIR/etc/fslconf/fsl-devel.sh
+
+make
+make install

examples/cpp/fsl-example_cpp_project/meta.yaml

+# This is a FSL conda recipe for:              example_cpp_project
+# The project git repository is:               https://git.fmrib.ox.ac.uk/fsl/example_cpp_project
+# The git repository for this conda recipe is: https://git.fmrib.ox.ac.uk/fsl/conda/fsl-example_cpp_project
+
+{% set name       = fsl-example_cpp_project                            %}
+{% set version    = 0.0.1                                              %}
+{% set repository = https://git.fmrib.ox.ac.uk/fsl/example_cpp_project %}
+{% set build      = '0'                                                %}
+
+package:
+  name:    {{ name    }}
+  version: {{ version }}
+
+source:
+  # the FSLCONDA_REPOSITORY and FSLCONDA_REVISION
+  # environment variables can be used to override
+  # the repository/revision for development purposes.
+  git_url: {{ '{{ os.environ.get("FSLCONDA_REPOSITORY", repository) }}' }}
+  git_rev: {{ '{{ os.environ.get("FSLCONDA_REVISION",   version) }}'    }}
+
+build:
+  number: {{ build }}
+  run_exports:
+    strong:
+      - {{ name }}
+
+requirements:
+  host:
+    - {{ compiler("cxx") }}
+    - fsl-base >=2012.0
+    - fsl-newnifti >=3.0.6
+    - fsl-newimage >=2011.0

examples/cpp/fsl-example_cpp_project/post-link.sh

+if [ -e ${FSLDIR}/share/fsl/sbin/createFSLWrapper ]; then
+    ${FSLDIR}/share/fsl/sbin/createFSLWrapper example_cpp_exe
+fi

examples/cpp/fsl-example_cpp_project/pre-unlink.sh

+if [ -e ${FSLDIR}/share/fsl/sbin/removeFSLWrapper ]; then
+    ${FSLDIR}/share/fsl/sbin/removeFSLWrapper example_cpp_exe
+fi