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Diffstat (limited to 'contrib/ios/setenv_ios.sh')
| -rwxr-xr-x | contrib/ios/setenv_ios.sh | 274 |
1 files changed, 274 insertions, 0 deletions
diff --git a/contrib/ios/setenv_ios.sh b/contrib/ios/setenv_ios.sh new file mode 100755 index 000000000000..df433d17c2d3 --- /dev/null +++ b/contrib/ios/setenv_ios.sh @@ -0,0 +1,274 @@ +#!/usr/bin/env bash + +# ==================================================================== +# Sets the cross compile environment for Xcode/iOS +# +# Based upon OpenSSL's setenv-ios.sh by TH, JW, and SM. +# Heavily modified by JWW for Crypto++. +# Modified by JWW for Unbound. +# ==================================================================== + +######################################### +##### Some validation ##### +######################################### + +# In the past we could mostly infer arch or cpu from the SDK (and +# mostly vice-versa). Nowadays we need it set for us because Apple +# platforms can be either 32-bit or 64-bit. + +if [ -z "$IOS_SDK" ]; then + echo "IOS_SDK is not set. Please set it" + [[ "$0" = "${BASH_SOURCE[0]}" ]] && exit 1 || return 1 +fi + +if [ -z "$IOS_CPU" ]; then + echo "IOS_CPU is not set. Please set it" + [[ "$0" = "${BASH_SOURCE[0]}" ]] && exit 1 || return 1 +fi + +# cryptest-ios.sh may run this script without sourcing. +if [ "$0" = "${BASH_SOURCE[0]}" ]; then + echo "setenv-ios.sh is usually sourced, but not this time." +fi + +######################################### +##### Small Fixups, if needed ##### +######################################### + +if [[ "$IOS_SDK" == "iPhone" ]]; then + IOS_SDK=iPhoneOS +fi + +if [[ "$IOS_SDK" == "iPhoneOSSimulator" ]]; then + IOS_SDK=iPhoneSimulator +fi + +if [[ "$IOS_SDK" == "TV" || "$IOS_SDK" == "AppleTV" ]]; then + IOS_SDK=AppleTVOS +fi + +if [[ "$IOS_SDK" == "Watch" || "$IOS_SDK" == "AppleWatch" ]]; then + IOS_SDK=WatchOS +fi + +if [[ "$IOS_CPU" == "aarch64" || "$IOS_CPU" == "armv8"* ]] ; then + IOS_CPU=arm64 +fi + +######################################## +##### Environment ##### +######################################## + +# The flags below were tested with Xcode 8 on Travis. If +# you use downlevel versions of Xcode, then you can push +# xxx-version-min=n lower. For example, Xcode 6 can use +# -miphoneos-version-min=5. + +# iPhones can be either 32-bit or 64-bit +if [[ "$IOS_SDK" == "iPhoneOS" && "$IOS_CPU" == "armv7"* ]]; then + MIN_VER=-miphoneos-version-min=6 +elif [[ "$IOS_SDK" == "iPhoneOS" && "$IOS_CPU" == "arm64" ]]; then + MIN_VER=-miphoneos-version-min=6 + +# Fixups for convenience +elif [[ "$IOS_SDK" == "iPhoneOS" && "$IOS_CPU" == "i386" ]]; then + IOS_SDK=iPhoneSimulator + # MIN_VER=-miphoneos-version-min=6 + MIN_VER=-miphonesimulator-version-min=6 +elif [[ "$IOS_SDK" == "iPhoneOS" && "$IOS_CPU" == "x86_64" ]]; then + IOS_SDK=iPhoneSimulator + # MIN_VER=-miphoneos-version-min=6 + MIN_VER=-miphonesimulator-version-min=6 + +# Simulator builds +elif [[ "$IOS_SDK" == "iPhoneSimulator" && "$IOS_CPU" == "i386" ]]; then + MIN_VER=-miphonesimulator-version-min=6 +elif [[ "$IOS_SDK" == "iPhoneSimulator" && "$IOS_CPU" == "x86_64" ]]; then + MIN_VER=-miphonesimulator-version-min=6 + +# Apple TV can be 32-bit Intel (1st gen), 32-bit ARM (2nd, 3rd gen) or 64-bit ARM (4th gen) +elif [[ "$IOS_SDK" == "AppleTVOS" && "$IOS_CPU" == "i386" ]]; then + MIN_VER=-mappletvos-version-min=6 +elif [[ "$IOS_SDK" == "AppleTVOS" && "$IOS_CPU" == "armv7"* ]]; then + MIN_VER=-mappletvos-version-min=6 +elif [[ "$IOS_SDK" == "AppleTVOS" && "$IOS_CPU" == "arm64" ]]; then + MIN_VER=-mappletvos-version-min=6 + +# Simulator builds +elif [[ "$IOS_SDK" == "AppleTVSimulator" && "$IOS_CPU" == "i386" ]]; then + MIN_VER=-mappletvsimulator-version-min=6 +elif [[ "$IOS_SDK" == "AppleTVSimulator" && "$IOS_CPU" == "x86_64" ]]; then + MIN_VER=-mappletvsimulator-version-min=6 + +# Watch can be either 32-bit or 64-bit ARM. TODO: figure out which +# -mwatchos-version-min=n is needed for arm64. 9 is not enough. +elif [[ "$IOS_SDK" == "WatchOS" && "$IOS_CPU" == "armv7"* ]]; then + MIN_VER=-mwatchos-version-min=6 +elif [[ "$IOS_SDK" == "WatchOS" && "$IOS_CPU" == "arm64" ]]; then + MIN_VER=-mwatchos-version-min=10 + +# Simulator builds. TODO: figure out which -watchos-version-min=n +# is needed for arm64. 6 compiles and links, but is it correct? +elif [[ "$IOS_SDK" == "WatchSimulator" && "$IOS_CPU" == "i386" ]]; then + MIN_VER=-mwatchsimulator-version-min=6 +elif [[ "$IOS_SDK" == "WatchSimulator" && "$IOS_CPU" == "x86_64" ]]; then + MIN_VER=-mwatchsimulator-version-min=6 + +# And the final catch-all +else + echo "IOS_SDK and IOS_CPU are not valid. Please fix them" + [[ "$0" = "${BASH_SOURCE[0]}" ]] && exit 1 || return 1 +fi + +##################################################################### + +# Xcode 6 and below cannot handle -miphonesimulator-version-min +# Fix it so the simulator will compile as expected. This trick +# may work on other SDKs, but it was not tested. + +if [ -n "$(command -v xcodebuild 2>/dev/null)" ]; then + # Output of xcodebuild is similar to "Xcode 6.2". The first cut gets + # the dotted decimal value. The second cut gets the major version. + XCODE_VERSION=$(xcodebuild -version 2>/dev/null | head -n 1 | cut -f2 -d" " | cut -f1 -d".") + if [ -z "$XCODE_VERSION" ]; then XCODE_VERSION=100; fi + + if [ "$XCODE_VERSION" -le 6 ]; then + MIN_VER="${MIN_VER//iphonesimulator/iphoneos}" + fi +fi + +##################################################################### + +# Allow a user override? I think we should be doing this. The use case is, +# move /Applications/Xcode somewhere else for a side-by-side installation. +if [ -z "${XCODE_DEVELOPER-}" ]; then + XCODE_DEVELOPER=$(xcode-select -print-path 2>/dev/null) +fi + +if [ ! -d "$XCODE_DEVELOPER" ]; then + echo "ERROR: unable to find XCODE_DEVELOPER directory." + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +# XCODE_DEVELOPER_SDK is the SDK location. +XCODE_DEVELOPER_SDK="$XCODE_DEVELOPER/Platforms/$IOS_SDK.platform" + +if [ ! -d "$XCODE_DEVELOPER_SDK" ]; then + echo "ERROR: unable to find XCODE_DEVELOPER_SDK directory." + echo " Is the SDK supported by Xcode and installed?" + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +# XCODE_TOOLCHAIN is the location of the actual compiler tools. +if [ -d "$XCODE_DEVELOPER/Toolchains/XcodeDefault.xctoolchain/usr/bin/" ]; then + XCODE_TOOLCHAIN="$XCODE_DEVELOPER/Toolchains/XcodeDefault.xctoolchain/usr/bin/" +elif [ -d "$XCODE_DEVELOPER_SDK/Developer/usr/bin/" ]; then + XCODE_TOOLCHAIN="$XCODE_DEVELOPER_SDK/Developer/usr/bin/" +fi + +if [ -z "$XCODE_TOOLCHAIN" ] || [ ! -d "$XCODE_TOOLCHAIN" ]; then + echo "ERROR: unable to find Xcode cross-compiler tools." + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +# XCODE_SDK is the SDK name/version being used - adjust the list as appropriate. +# For example, remove 4.3, 6.2, and 6.1 if they are not installed. We go back to +# the 1.0 SDKs because Apple WatchOS uses low numbers, like 2.0 and 2.1. +XCODE_SDK= +for i in $(seq -f "%.1f" 30.0 -0.1 1.0) +do + if [ -d "$XCODE_DEVELOPER_SDK/Developer/SDKs/$IOS_SDK$i.sdk" ]; then + XCODE_SDK="$IOS_SDK$i.sdk" + break + fi +done + +# Error checking +if [ -z "$XCODE_SDK" ]; then + echo "ERROR: unable to find a SDK." + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +IOS_SYSROOT="$XCODE_DEVELOPER_SDK/Developer/SDKs/$XCODE_SDK" + +if [ -z "$IOS_SYSROOT" ] || [ ! -d "$IOS_SYSROOT" ]; then + echo "ERROR: unable to find IOS_SYSROOT directory." + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +##################################################################### + +# We want to set AR=libtool and ARFLAGS="-static -o", +# but I am not sure Autotools can handle it. +CPP=cpp; CC=clang; CXX=clang++; LD=ld +AS=as; AR=ar; RANLIB=ranlib; STRIP=strip + +# Error checking +if [ ! -e "$XCODE_TOOLCHAIN/$CC" ]; then + echo "ERROR: Failed to find iOS clang. Please edit this script." + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +# Error checking +if [ ! -e "$XCODE_TOOLCHAIN/$CXX" ]; then + echo "ERROR: Failed to find iOS clang++. Please edit this script." + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +# Error checking +if [ ! -e "$XCODE_TOOLCHAIN/$RANLIB" ]; then + echo "ERROR: Failed to find iOS ranlib. Please edit this script." + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +# Error checking +if [ ! -e "$XCODE_TOOLCHAIN/$AR" ]; then + echo "ERROR: Failed to find iOS ar. Please edit this script." + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +# Error checking +if [ ! -e "$XCODE_TOOLCHAIN/$AS" ]; then + echo "ERROR: Failed to find iOS as. Please edit this script." + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +# Error checking +if [ ! -e "$XCODE_TOOLCHAIN/$LD" ]; then + echo "ERROR: Failed to find iOS ld. Please edit this script." + [ "$0" = "${BASH_SOURCE[0]}" ] && exit 1 || return 1 +fi + +##################################################################### + +LENGTH=${#XCODE_TOOLCHAIN} +SUBSTR=${PATH:0:$LENGTH} +if [ "$SUBSTR" != "$XCODE_TOOLCHAIN" ]; then + export PATH="$XCODE_TOOLCHAIN":"$PATH" +fi + +##################################################################### + +export CPP CC CXX LD AS AR RANLIB STRIP +export IOS_SYSROOT +export CFLAGS="-arch $IOS_CPU $MIN_VER --sysroot=$IOS_SYSROOT" +export CXXFLAGS="-arch $IOS_CPU $MIN_VER -stdlib-libc++ --sysroot=$IOS_SYSROOT" + +##################################################################### + +echo "XCODE_TOOLCHAIN: $XCODE_TOOLCHAIN" + +echo "CPP: $(command -v "$CPP")" +echo "CC: $(command -v "$CC")" +echo "CXX: $(command -v "$CXX")" +echo "LD: $(command -v "$LD")" +echo "AS: $(command -v "$AS")" +echo "AR: $(command -v "$AR")" + +echo "IOS_SYSROOT: $IOS_SYSROOT" + +echo "CPPFLAGS: $CPPFLAGS" +echo "CFLAGS: $CFLAGS" +echo "CXXFLAGS: $CXXFLAGS" + +[ "$0" = "${BASH_SOURCE[0]}" ] && exit 0 || return 0 |