setup-libraries-osx

#!/bin/bash
set -e
source osx-environment

set -x
export CCACHE_DIR="$OSX_BASE_DIR/ccache/libs"
mkdir -p "$CCACHE_DIR" "$OSX_LIBDIR" "$BUILDDIR"
rm -rf "$BUILDDIR"/*
cd "$BUILDDIR"

if ! [[ -e ~/.rvm ]]; then
	echo "*** ERROR: You must install RVM in single user mode"
	exit 1
fi

# We compile libraries with -fvisibility=hidden in order to avoid symbol clashes
# with the library version that's installed by the system. Despite OS X using
# two-level namespaces, symbol clashes still happen.

# Compile a static OpenSSL library.
if [[ ! -e "$OSX_LIBDIR/bin/openssl" ]]; then
	wget http://www.openssl.org/source/openssl-$OPENSSL_VERSION.tar.gz
	tar xzf openssl-$OPENSSL_VERSION.tar.gz
	rm openssl-$OPENSSL_VERSION.tar.gz
	cd openssl-$OPENSSL_VERSION
	./Configure darwin64-x86_64-cc --prefix="$OSX_LIBDIR" --openssldir="$OSX_LIBDIR/openssl" \
		threads zlib no-shared no-sse2 -fvisibility=hidden
	make
	make install_sw
	strip "$OSX_LIBDIR/bin/openssl"
	strip -S "$OSX_LIBDIR/lib/libcrypto.a"
	strip -S "$OSX_LIBDIR/lib/libssl.a"

	mkdir -p "$OSX_LIBDIR/lib/libcrypto"
	pushd "$OSX_LIBDIR/lib/libcrypto"
	ar x ../libcrypto.a
	popd

	mkdir -p "$OSX_LIBDIR/lib/libssl"
	pushd "$OSX_LIBDIR/lib/libssl"
	ar x ../libssl.a
	popd
	
	cd ..
	rm -rf openssl-$OPENSSL_VERSION
fi

# Compile a minimalist libcurl with almost no dependencies.
if [[ ! -e "$OSX_LIBDIR/bin/curl" ]]; then
	wget http://curl.haxx.se/download/curl-$CURL_VERSION.tar.bz2
	tar xjf curl-$CURL_VERSION.tar.bz2
	rm curl-$CURL_VERSION.tar.bz2
	cd curl-$CURL_VERSION
	env CFLAGS='-O2 -fvisibility=hidden' \
		./configure --prefix="$OSX_LIBDIR" --disable-shared --disable-debug --enable-optimize --disable-werror \
		--disable-curldebug --enable-symbol-hiding --disable-ares --disable-manual --disable-ldap --disable-ldaps \
		--disable-rtsp --disable-dict --disable-ftp --disable-ftps --disable-gopher --disable-imap \
		--disable-imaps --disable-pop3 --disable-pop3s --without-librtmp --disable-smtp --disable-smtps \
		--disable-telnet --disable-tftp --disable-smb --disable-versioned-symbols \
		--without-libmetalink --without-libidn --without-libssh2 --without-libmetalink --without-nghttp2
	make -j4
	make install-strip
	cd ..
	rm -rf curl-$CURL_VERSION
fi

# Compile a minimalist PCRE with almost no dependencies.
if [[ ! -e "$OSX_LIBDIR/bin/pcre-config" ]]; then
	wget http://vorboss.dl.sourceforge.net/project/pcre/pcre/$PCRE_VERSION/pcre-$PCRE_VERSION.tar.gz
	tar xjf pcre-$PCRE_VERSION.tar.gz
	rm pcre-$PCRE_VERSION.tar.gz
	cd pcre-$PCRE_VERSION
	./configure --prefix="$OSX_LIBDIR" --disable-shared --disable-cpp --disable-pcregrep-jit
	make -j4
	make install-strip
	cd ..
	rm -rf pcre-$PCRE_VERSION
fi

# Compile a static zlib library.
if [[ ! -e "$OSX_LIBDIR/lib/libz.a" ]]; then
	wget http://vorboss.dl.sourceforge.net/project/libpng/zlib/$ZLIB_VERSION/zlib-$ZLIB_VERSION.tar.gz
	tar xzf zlib-$ZLIB_VERSION.tar.gz
	rm zlib-$ZLIB_VERSION.tar.gz
	cd zlib-$ZLIB_VERSION
	CFLAGS='-O2 -fvisibility=hidden' ./configure --prefix="$OSX_LIBDIR" --static
	make install
	strip -S "$OSX_LIBDIR/lib/libz.a"
	cd ..
	rm -rf zlib-$ZLIB_VERSION
fi