build-git2.sh

#! /usr/bin/env bash

set -eux

if [ -z "$OPENSSL_BASE_DIR" ]; then
    echo "Missing $OPENSSL_BASE_DIR"
    exit 1
fi

./get-cmake-config.sh
CMAKE_IOS_DIR="$(pwd)/ios-cmake"

LIBGIT2_VERSION="0.28.1"
if [ ! -f "libgit2.tar.gz" ]; then
    curl https://codeload.github.com/libgit2/libgit2/tar.gz/v${LIBGIT2_VERSION} -o libgit2.tar.gz
fi
tar -xzf libgit2.tar.gz

cd libgit2-${LIBGIT2_VERSION}
LIBGIT2_FULL_PATH=$(pwd)

git apply ../remove-librt.patch

IOS_LIB_ROOT=$(pwd)/../libs/

cd "$LIBGIT2_FULL_PATH"
mkdir -p "build"
cd "build"

export PKG_CONFIG_PATH=${IOS_LIB_ROOT}/lib/pkgconfig/
cmake ../ \
    -G Xcode \
    -DOPENSSL_ROOT_DIR=${OPENSSL_BASE_DIR} \
    -DOPENSSL_INCLUDE_DIR=${OPENSSL_BASE_DIR}/include \
    -DOPENSSL_SSL_LIBRARY=${OPENSSL_BASE_DIR}/lib/libssl.a \
    -DOPENSSL_CRYPTO_LIBRARY=${OPENSSL_BASE_DIR}/lib/libcrypto.a \
    -DCMAKE_TOOLCHAIN_FILE="${CMAKE_IOS_DIR}/ios.toolchain.cmake" \
    -DPLATFORM="OS64COMBINED" \
    -DCMAKE_INSTALL_PREFIX="${IOS_LIB_ROOT}" \
    -DCMAKE_PREFIX_PATH="${IOS_LIB_ROOT}/" \
    -DCMAKE_MODULE_PATH="${IOS_LIB_ROOT}/cmake" \
    -DCMAKE_INCLUDE_PATH="${IOS_LIB_ROOT}/include" \
    -DCMAKE_LIBRARY_PATH="${IOS_LIB_ROOT}/lib" \
    -DCMAKE_XCODE_ATTRIBUTE_DEVELOPMENT_TEAM=4NYTN6RU3N \
    -DCMAKE_OSX_DEPLOYMENT_TARGET=11.0 \
    -DBUILD_SHARED_LIBS=OFF \
    -DUSE_BUNDLED_ZLIB=ON \
    -DBUILD_CLAR=OFF \
    -DUSE_SSH=OFF \
    -DLIBSSH2_FOUND=TRUE \
    -DLIBSSH2_INCLUDE_DIRS="${IOS_LIB_ROOT}/include" \
    -DLIBSSH2_LIBRARY_DIRS="${IOS_LIB_ROOT}/lib" \
    -DLIBSSH2_LIBRARIES="${IOS_LIB_ROOT}/lib/libssh2.a"
# -DLIBSSH2_LDFLAGS="-lssh2"

#  -L/usr/local/opt/libiconv/lib/libiconv

if [ $? -ne 0 ]; then
    echo "Error executing cmake"
    exit 1
fi

cmake --build . --config Release
if [ $? -ne 0 ]; then
    echo "Error building"
    exit 1
fi

cmake --install . --config Release
if [ $? -ne 0 ]; then
    echo "Error installing"
    exit 1
fi

# FIXME: -
# Disabling libiconv from CMakeLists.txt removes the linking error