#!/bin/bash # This file is part of BOINC. # http://boinc.berkeley.edu # Copyright (C) 2020 University of California # # BOINC is free software; you can redistribute it and/or modify it # under the terms of the GNU Lesser General Public License # as published by the Free Software Foundation, # either version 3 of the License, or (at your option) any later version. # # BOINC is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. # See the GNU Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with BOINC. If not, see . # # # Script to build Macintosh 64-bit Intel library of c-ares for # use in building BOINC. # # by Charlie Fenton 7/21/06 # Updated 10/18/11 for OS 10.7 Lion and XCode 4.2 # Updated 6/25/12 for c-ares 1.9.1 # Updated 7/10/12 for Xcode 4.3 and later which are not at a fixed address # Updated 2/11/14 for c-ares 1.10.0 # Updated 9/2/14 for bulding c-ares as 64-bit binary # Updated 9/10/16 for bulding c-ares 1.11.0 # Updated 1/25/18 for bulding c-ares 1.13.0 (updated comemnts only) # Updated 2/22/18 to avoid APIs not available in earlier versions of OS X # Updated 1/23/19 use libc++ instead of libstdc++ for Xcode 10 compatibility # Updated 8/22/20 to build Apple Silicon / arm64 and x86_64 Universal binary # Updated 5/18/21 for compatibility with zsh # ## This script requires OS 10.8 or later # ## After first installing Xcode, you must have opened Xcode and ## clicked the Install button on the dialog which appears to ## complete the Xcode installation before running this script. # ## Where x.xx.x is the c-ares version number: ## In Terminal, CD to the c-ares-x.xx.x directory. ## cd [path]/c-ares-x.xx.x/ ## then run this script: ## source [path]/buildc-ares.sh [ -clean ] [--prefix PATH] ## ## the -clean argument will force a full rebuild. ## if --prefix is given as absolute path the library is installed into there ## use -q or --quiet to redirect build output to /dev/null instead of /dev/stdout ## function patch_ares_config() { # Patch ares_config.h to not use clock_gettime(), which is # defined in OS 10.12 SDK but was not available before OS 10.12. # If building with an older SDK, this patch will fail because # config has already set our desired value. rm -f ares_config.h.orig rm -f /tmp/ares_config_h_diff cat >> /tmp/ares_config_h_diff << ENDOFFILE --- ares_config_orig.h 2018-01-25 04:15:37.000000000 -0800 +++ ares_config.h 2018-02-22 01:30:57.000000000 -0800 @@ -74,7 +74,7 @@ #define HAVE_BOOL_T 1 /* Define to 1 if you have the clock_gettime function and monotonic timer. */ -#define HAVE_CLOCK_GETTIME_MONOTONIC 1 +/* #undef HAVE_CLOCK_GETTIME_MONOTONIC */ /* Define to 1 if you have the closesocket function. */ /* #undef HAVE_CLOSESOCKET */ ENDOFFILE patch -bfi /tmp/ares_config_h_diff ares_config.h ## rm -f /tmp/ares_config_h_diff ## rm -f ares_config.h.rej } doclean="" stdout_target="/dev/stdout" lprefix="/tmp/installed-c-ares" libPath=".libs" while [[ $# -gt 0 ]]; do key="$1" case $key in -clean|--clean) doclean="yes" ;; -prefix|--prefix) lprefix="$2" libPath="${lprefix}/lib" shift ;; -q|--quiet) stdout_target="/dev/null" ;; esac shift # past argument or value done GCCPATH=`xcrun -find gcc` if [ $? -ne 0 ]; then echo "ERROR: can't find gcc compiler" return 1 fi GCC_can_build_x86_64="no" GCC_can_build_arm64="no" GCC_archs=`lipo -info "${GCCPATH}"` if [[ "${GCC_archs}" = *"x86_64"* ]]; then GCC_can_build_x86_64="yes"; fi if [[ "${GCC_archs}" = *"arm64"* ]]; then GCC_can_build_arm64="yes"; fi if [ "${doclean}" != "yes" ]; then if [ -f "${libPath}/libcares.a" ]; then alreadyBuilt=1 if [ $GCC_can_build_x86_64 = "yes" ]; then lipo "${libPath}/libcares.a" -verify_arch x86_64 if [ $? -ne 0 ]; then alreadyBuilt=0; doclean="yes"; fi fi if [ $alreadyBuilt -eq 1 ] && [ $GCC_can_build_arm64 = "yes" ]; then lipo "${libPath}/libcares.a" -verify_arch arm64 if [ $? -ne 0 ]; then alreadyBuilt=0; doclean="yes"; fi fi if [ $alreadyBuilt -eq 1 ]; then cwd=$(pwd) dirname=${cwd##*/} echo "${dirname} already built" return 0 fi fi fi GPPPATH=`xcrun -find g++` if [ $? -ne 0 ]; then echo "ERROR: can't find g++ compiler" return 1 fi MAKEPATH=`xcrun -find make` if [ $? -ne 0 ]; then echo "ERROR: can't find make tool" return 1 fi TOOLSPATH1=${MAKEPATH%/make} ARPATH=`xcrun -find ar` if [ $? -ne 0 ]; then echo "ERROR: can't find ar tool" return 1 fi TOOLSPATH2=${ARPATH%/ar} export PATH="${TOOLSPATH1}":"${TOOLSPATH2}":/usr/local/bin:$PATH SDKPATH=`xcodebuild -version -sdk macosx Path` if [ -d "${libPath}" ]; then rm -f "${libPath}/libcares.a" if [ $? -ne 0 ]; then return 1; fi fi export CC="${GCCPATH}";export CXX="${GPPPATH}" export CPPFLAGS="" export LDFLAGS="-Wl,-syslibroot,${SDKPATH},-arch,x86_64" export CXXFLAGS="-isysroot ${SDKPATH} -arch x86_64 -stdlib=libc++" export CFLAGS="-isysroot ${SDKPATH} -arch x86_64" export SDKROOT="${SDKPATH}" export MACOSX_DEPLOYMENT_TARGET=10.7 export MAC_OS_X_VERSION_MAX_ALLOWED=1070 export MAC_OS_X_VERSION_MIN_REQUIRED=1070 ./configure --prefix=${lprefix} --enable-shared=NO --host=x86_64 if [ $? -ne 0 ]; then return 1; fi patch_ares_config if [ "${doclean}" = "yes" ]; then make clean fi make 1>$stdout_target if [ $? -ne 0 ]; then return 1; fi make install 1>$stdout_target if [ $? -ne 0 ]; then return 1; fi # Now see if we can build for arm64 # Note: Some versions of Xcode 12 don't support building for arm64 if [ $GCC_can_build_arm64 = "yes" ]; then export CC="${GCCPATH}";export CXX="${GPPPATH}" export CPPFLAGS="" export LDFLAGS="-Wl,-syslibroot,${SDKPATH},-arch,arm64" export CXXFLAGS="-isysroot ${SDKPATH} -target arm64-apple-macos10.7 -stdlib=libc++" export CFLAGS="-isysroot ${SDKPATH} -target arm64-apple-macos10.7" export SDKROOT="${SDKPATH}" export MACOSX_DEPLOYMENT_TARGET=10.7 export MAC_OS_X_VERSION_MAX_ALLOWED=1070 export MAC_OS_X_VERSION_MIN_REQUIRED=1070 ./configure --prefix=${lprefix} --enable-shared=NO --host=arm if [ $? -ne 0 ]; then echo " ******" echo "c-ares: x86_64 build succeeded but could not build for arm64." echo " ******" else patch_ares_config # save x86_64 header and lib for later use # c-ares configure creates a different ares_build.h file for each architecture # for a sanity check on size of long and socklen_t. But these are identical # for x86_64 and arm64, so this is not currently an issue. ## cp -f ares_build.h ares_build_x86_64.h mv -f .libs/libcares.a libcares_x86_64.a # Build for arm64 architecture make clean 1>$stdout_target make 1>$stdout_target if [ $? -ne 0 ]; then rm -f libcares_x86_64.a rm -f ares_build_x86_64.h return 1 fi # c-ares configure creates a different ares_build.h file for each architecture # for a sanity check on size of long and socklen_t. But these are identical # for x86_64 and arm64, so this is not currently an issue. ## cp -f ares_build.h ares_build_arm64.h mv -f .libs/libcares.a .libs/libcares_arm64.a # combine x86_64 and arm libraries lipo -create libcares_x86_64.a .libs/libcares_arm64.a -output .libs/libcares.a if [ $? -ne 0 ]; then rm -f libcares_x86_64.a .libs/libcares_arm64.a return 1 fi rm -f libcares_x86_64.a .libs/libcares_arm64.a make install 1>$stdout_target if [ $? -ne 0 ]; then return 1; fi fi fi lprefix="" export CC="";export CXX="" export LDFLAGS="" export CXXFLAGS="" export CFLAGS="" export SDKROOT="" return 0