Fix kokoro issues

kokoro/macos/php74/build.sh

@@ -9,15 +9,16 @@ cd $(dirname $0)/../../..
 source kokoro/macos/prepare_build_macos_rc
 
 # Install PHP + Composer
-brew install [email protected] composer pcre2
+brew install --overwrite [email protected] composer
 
 # Configure path
-PHP_FOLDER=$(find /opt/homebrew -type d -regex ".*php.*/7.4.[0-9]*")
+HOMEBREW_PREFIX=$(brew --prefix)
+PHP_FOLDER=$(find $HOMEBREW_PREFIX -type d -regex ".*php.*/7.4.[0-9]*")
 test ! -z "$PHP_FOLDER"
 export PATH="$PHP_FOLDER/bin:$PATH"
 
 # Fix missing pcre2.h in homebrew's PHP
-ln -s $(find /opt/homebrew/Cellar/pcre2 -name pcre2.h) $PHP_FOLDER/include/php/ext/pcre/pcre2.h
+#ln -s $(find $HOMEBREW_PREFIX/Cellar/pcre2 -name pcre2.h) $PHP_FOLDER/include/php/ext/pcre/pcre2.h
 
 # Test
 ./tests.sh php_mac

kokoro/macos/php80/build.sh

@@ -9,15 +9,16 @@ cd $(dirname $0)/../../..
 source kokoro/macos/prepare_build_macos_rc
 
 # Install PHP + Composer
-brew install [email protected] composer pcre2
+brew install --overwrite [email protected] composer
 
 # Configure path
-PHP_FOLDER=$(find /opt/homebrew -type d -regex ".*php.*/8.0.[0-9]*")
+HOMEBREW_PREFIX=$(brew --prefix)
+PHP_FOLDER=$(find $HOMEBREW_PREFIX -type d -regex ".*php.*/8.0.[0-9]*")
 test ! -z "$PHP_FOLDER"
 export PATH="$PHP_FOLDER/bin:$PATH"
 
 # Fix missing pcre2.h in homebrew's PHP
-ln -s $(find /opt/homebrew/Cellar/pcre2 -name pcre2.h) $PHP_FOLDER/include/php/ext/pcre/pcre2.h
+ln -s $(find $HOMEBREW_PREFIX/Cellar/pcre2 -name pcre2.h) $PHP_FOLDER/include/php/ext/pcre/pcre2.h
 
 # Test
 ./tests.sh php_mac

kokoro/macos/php80/continuous.cfg

@@ -1,5 +1,5 @@
 # Config file for running tests in Kokoro
 
 # Location of the build script in repository
-build_file: "protobuf/kokoro/macos/php7.3_mac/build.sh"
+build_file: "protobuf/kokoro/macos/php80/build.sh"
 timeout_mins: 1440

kokoro/macos/php80/presubmit.cfg

@@ -1,5 +1,5 @@
 # Config file for running tests in Kokoro
 
 # Location of the build script in repository
-build_file: "protobuf/kokoro/macos/php7.3_mac/build.sh"
+build_file: "protobuf/kokoro/macos/php80/build.sh"
 timeout_mins: 1440

kokoro/macos/prepare_build_macos_rc

@@ -7,11 +7,8 @@ set -eux
 ##
 # Select Xcode version
 
-# Remember to update the Xcode version when Xcode_11.3.app is not available.
-# If xcode is not available, it will probably encounter the failure for
-# "autom4te: need GNU m4 1.4 or later: /usr/bin/m4"
-# go/kokoro/userdocs/macos/selecting_xcode.md for more information.
-export DEVELOPER_DIR=/Applications/Xcode_11.3.app/Contents/Developer
+export DEVELOPER_DIR=/Applications/Xcode_13.3.1.app/Contents/Developer
+sudo xcode-select -s "${DEVELOPER_DIR}"
 
 ##
 # Select C/C++ compilers
@@ -33,10 +30,7 @@ if [[ "${KOKORO_INSTALL_RVM:-}" == "yes" ]] ; then
   curl -sSL https://rvm.io/mpapis.asc | gpg --import -
   curl -sSL https://rvm.io/pkuczynski.asc | gpg --import -
 
-  # Old OpenSSL versions cannot handle the SSL certificate used by
-  # https://get.rvm.io, so as a workaround we download RVM directly from
-  # GitHub. See this issue for details: https://github.com/rvm/rvm/issues/5133
-  curl -sSL https://raw.githubusercontent.com/rvm/rvm/master/binscripts/rvm-installer | bash -s master --ruby
+  curl -sSl https://rvm.io | bash
 fi
 
 # "Install" valgrind