#!/bin/bash

set -exuo pipefail

echo "Building ${PKG_NAME}."

# Isolate the build.
mkdir -p build
cd build || exit 1

if [[ "${target_platform}" == osx-* ]]; then
    # See https://conda-forge.org/docs/maintainer/knowledge_base.html#newer-c-features-with-old-sdk
    CXXFLAGS="${CXXFLAGS} -D_LIBCPP_DISABLE_AVAILABILITY"
fi

# Generate the build files.
echo "Generating the build files..."
# Generate the build files.
# using -DCMAKE_CXX_STANDARD=17 on osx gives compile error
if [[ "${target_platform}" == osx-* ]]; then
	cmake -G Ninja \
		-DCMAKE_INSTALL_PREFIX=${PREFIX} \
		-DCMAKE_PREFIX_PATH=${PREFIX} \
		-DCMAKE_INSTALL_LIBDIR=lib \
		-DCMAKE_BUILD_TYPE=Release \
		-DBUILD_SHARED_LIBS=ON \
		-DABSL_PROPAGATE_CXX_STD=ON \
		-DABSL_USE_EXTERNAL_GOOGLETEST=ON \
		-DABSL_BUILD_TESTING=ON \
		-DABSL_BUILD_TEST_HELPERS=ON \
		..
else
	cmake -G Ninja \
		-DCMAKE_INSTALL_PREFIX=${PREFIX} \
		-DCMAKE_PREFIX_PATH=${PREFIX} \
		-DCMAKE_INSTALL_LIBDIR=lib \
		-DCMAKE_BUILD_TYPE=Release \
		-DBUILD_SHARED_LIBS=ON \
		-DCMAKE_CXX_STANDARD=17 \
		-DABSL_PROPAGATE_CXX_STD=ON \
		-DABSL_USE_EXTERNAL_GOOGLETEST=ON \
		-DABSL_BUILD_TESTING=ON \
		-DABSL_BUILD_TEST_HELPERS=ON \
		..
fi

ninja install || exit 1

# Error free exit!
echo "Error free exit!"
exit 0