From 0b4ee08d4fc54ef4533922a1cc47f53696c17981 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Tue, 9 Jul 2024 08:50:49 +0900
Subject: fix: suppress munmap() errors

---
 README.md                                  |   2 --
 examples/compile-php-to-wasm/Dockerfile    |   3 ++-
 examples/compile-php-to-wasm/php-wasm.js   |   2 +-
 examples/compile-php-to-wasm/php-wasm.wasm | Bin 4862431 -> 4861440 bytes
 4 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/README.md b/README.md
index 2701439..e7eb706 100644
--- a/README.md
+++ b/README.md
@@ -26,8 +26,6 @@ It works on the PHP runtime on my Wasm runtime.
 $ composer example:rubyvm-on-php-on-wasm
 ```
 
-NOTE: there is a known bug where `munmap()`-related errors are reported.
-
 
 
 ## Talks
diff --git a/examples/compile-php-to-wasm/Dockerfile b/examples/compile-php-to-wasm/Dockerfile
index 1bdef61..eb58f15 100644
--- a/examples/compile-php-to-wasm/Dockerfile
+++ b/examples/compile-php-to-wasm/Dockerfile
@@ -11,6 +11,7 @@ RUN apt-get update && \
         && \
     :
 
+# Define ZEND_MM_ERROR=0 for suppressing munmap() errors.
 RUN cd php-src && \
     ./buildconf --force && \
     emconfigure ./configure \
@@ -28,7 +29,7 @@ RUN cd php-src && \
         --without-pdo-sqlite \
         --without-sqlite3 \
         && \
-    EMCC_CFLAGS='-s ERROR_ON_UNDEFINED_SYMBOLS=0' emmake make -j$(nproc) && \
+    EMCC_CFLAGS='-s ERROR_ON_UNDEFINED_SYMBOLS=0 -D ZEND_MM_ERROR=0' emmake make -j$(nproc) && \
     mv libs/libphp.a .. && \
     make clean && \
     git clean -fd && \
diff --git a/examples/compile-php-to-wasm/php-wasm.js b/examples/compile-php-to-wasm/php-wasm.js
index 92ba924..dba15e0 100644
--- a/examples/compile-php-to-wasm/php-wasm.js
+++ b/examples/compile-php-to-wasm/php-wasm.js
@@ -7693,8 +7693,8 @@ var _malloc = createExportWrapper('malloc');
 var setTempRet0 = createExportWrapper('setTempRet0');
 var _fflush = Module['_fflush'] = createExportWrapper('fflush');
 var _free = createExportWrapper('free');
-var ___errno_location = createExportWrapper('__errno_location');
 var _memcpy = createExportWrapper('memcpy');
+var ___errno_location = createExportWrapper('__errno_location');
 var _htons = createExportWrapper('htons');
 var _ntohs = createExportWrapper('ntohs');
 var _htonl = createExportWrapper('htonl');
diff --git a/examples/compile-php-to-wasm/php-wasm.wasm b/examples/compile-php-to-wasm/php-wasm.wasm
index cf5ca85..45f378c 100755
Binary files a/examples/compile-php-to-wasm/php-wasm.wasm and b/examples/compile-php-to-wasm/php-wasm.wasm differ
-- 
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