add BLAKE3 hash

.github/actions/verify-generated-files/action.yml

@@ -12,4 +12,5 @@ runs:
         ext/tokenizer/tokenizer_data_gen.php
         build/gen_stub.php -f
         build/gen_stub.php --generate-optimizer-info
+        ext/hash/blake3/fetch_upstream_blake3.sh
         git add . -N && git diff --exit-code

build/php.m4

@@ -2846,3 +2846,98 @@ AC_DEFUN([PHP_CHECK_AVX512_VBMI_SUPPORTS], [
   AC_DEFINE_UNQUOTED([PHP_HAVE_AVX512_VBMI_SUPPORTS],
    [$have_avx512_vbmi_supports], [Whether the compiler supports AVX512 VBMI])
 ])
+
+
+dnl PHP_CHECK_ARM_NEON_SUPPORT
+dnl check if we're compiling for ARM NEON
+AC_DEFUN([PHP_CHECK_ARM_NEON_SUPPORT], [
+  AC_CACHE_CHECK([for ARM NEON support],ac_cv_target_arm_neon,[
+  AC_RUN_IFELSE([AC_LANG_SOURCE([[
+int main(void) {
+#if defined(__ARM_NEON__) || defined(__ARM_NEON)
+    return 0;
+#else
+    return 1;
+#endif
+}
+]])],[
+  ac_cv_target_arm_neon=yes
+],[
+  ac_cv_target_arm_neon=no
+],[
+  ac_cv_target_arm_neon=no
+])])
+])
+
+
+dnl
+dnl PHP_CHECK_X86_TARGET
+dnl
+dnl check if we're compiling for x86/x86_64
+dnl
+AC_DEFUN([PHP_CHECK_X86_TARGET], [
+  AC_CACHE_CHECK([for x86 target],ac_cv_target_x86,[
+  AC_RUN_IFELSE([AC_LANG_SOURCE([[
+int main(void) {
+#if defined(__x86_64__) || defined(__i386__)
+    return 0;
+#else
+    return 1;
+#endif
+}
+]])],[
+  ac_cv_target_x86=yes
+],[
+  ac_cv_target_x86=no
+],[
+  ac_cv_target_x86=no
+])])
+])
+
+dnl
+dnl PHP_CHECK_WINDOWS_TARGET
+dnl
+dnl check if we're compiling for windows
+dnl
+AC_DEFUN([PHP_CHECK_WINDOWS_TARGET], [
+  AC_CACHE_CHECK([for windows target],ac_cv_target_windows,[
+  AC_RUN_IFELSE([AC_LANG_SOURCE([[
+int main(void) {
+#if defined(_WIN32)
+    return 0;
+#else
+    return 1;
+#endif
+}
+]])],[
+  ac_cv_target_windows=yes
+],[
+  ac_cv_target_windows=no
+],[
+  ac_cv_target_windows=no
+])])
+])
+
+dnl
+dnl PHP_CHECK_UNIX_TARGET
+dnl
+dnl check if we're compiling for a unix-ish target
+dnl
+AC_DEFUN([PHP_CHECK_UNIX_TARGET], [
+  AC_CACHE_CHECK([for unix-ish target],ac_cv_target_unix,[
+  AC_RUN_IFELSE([AC_LANG_SOURCE([[
+int main(void) {
+#if defined(unix) || defined(__unix) || defined(__unix__)
+    return 0;
+#else
+    return 1;
+#endif
+}
+]])],[
+  ac_cv_target_unix=yes
+],[
+  ac_cv_target_unix=no
+],[
+  ac_cv_target_unix=no
+])])
+])

configure.ac

@@ -339,6 +339,19 @@ PHP_EBCDIC
 dnl Check whether the system byte ordering is bigendian.
 PHP_C_BIGENDIAN
 
+dnl Check if we're targeting x86 / x86_64
+PHP_CHECK_X86_TARGET
+
+dnl Check if we're targeting ARM Neon CPUs
+PHP_CHECK_ARM_NEON_SUPPORT
+
+
+dnl Check if we're targeting Windows
+PHP_CHECK_WINDOWS_TARGET
+
+dnl Check whether we're targeting a unix-ish system
+PHP_CHECK_UNIX_TARGET
+
 dnl Check whether writing to stdout works.
 PHP_TEST_WRITE_STDOUT
 

ext/hash/blake3/fetch_upstream_blake3.sh

@@ -0,0 +1,13 @@
+#!/bin/sh
+# afaik the PHP project doesn't allow git submodules, so we do this fetcher script instead.
+cd "$(dirname "$0")"
+rm -rf upstream_blake3
+# fancy way of just fetching the "c" folder (the only thing we want)
+git clone --branch '1.5.0' -n --depth=1 --filter=tree:0 'https://github.com/BLAKE3-team/BLAKE3.git' 'upstream_blake3'
+cd upstream_blake3
+git sparse-checkout set --no-cone c
+git checkout
+rm -rf .git
+cd c
+# some stuff we don't need
+rm -rf blake3_c_rust_bindings test.py example.c main.c Makefile.testing CMakeLists.txt blake3-config.cmake.in README.md .gitignore