Enable Zend PHP extensions that have no dependencies

Several PHP extensions have no external requirements, these were
enabled.

The `sockets` extension required a patch in order to compile, which
is now included in the ./patches directory.

.gitignore

@@ -1,6 +1,6 @@
-cosmocc
-ph7
-php
-target
+/cosmocc
+/ph7
+/php
+/target
 *.zip
 *.gz

README.md

@@ -5,11 +5,17 @@ carthage uses the [cosmopolitan libc][cosmo] to build [αcτµαlly pδrταblε
 
 We offer two flavors:
 
- - The latest official [PHP][php], compiled barebones (`--disable-all`) **~13MB ape**
  - The embedded [PH7][PH7] engine. **~2MB ape**
+ - The latest official [PHP][php]. **~30MB ape**
 
 Please note that _BOTH BUILDS ARE EXPERIMENTAL_.
 
+### Extensions
+
+PH7 has no extensions, Zend PHP is built with these enabled:
+
+ - ctype filter fileinfo ftp gmp pcntl posix session sockets tokenizer
+
 ### Building Locally
 
 You'll need wget, unzip and make. Then:

carthage.sh

@@ -52,7 +52,7 @@ export PKG_CONFIG="pkg-config --with-path=$PWD/cosmocc/lib/pkgconfig"
 export INSTALL="cosmoinstall"
 export AR="cosmoar"
 
-if ! test -f target/bin/ph7
+if ! test -f target/bin/ph7-2.1.4
 then
     cd ph7
     $CC -o ph7 ph7.c examples/ph7_interp.c -W -Wunused -Wall -I.
@@ -61,11 +61,28 @@ then
 cd ..
 fi
 
-if ! test -f target/bin/php
+if ! test -f target/bin/php-8.3.9
 then
     cd php
+
+    patch -Np0 -i ../patches/php-8.3.9/cosmo-multicast.patch
+
     ./buildconf --force
-    ./configure --prefix=$PWD/../target --disable-all --disable-shared --disable-fiber-asm
+    ./configure --prefix=$PWD/../target \
+        --disable-all \
+        --disable-shared \
+        --disable-fiber-asm \
+        --enable-ctype \
+        --enable-filter \
+        --enable-fileinfo \
+        --enable-ftp \
+        --enable-gmp \
+        --enable-pcntl \
+        --enable-posix \
+        --enable-session \
+        --enable-sockets \
+        --enable-tokenizer
+
     make -j $(nproc)
     make install-cli install-phpdbg
     mv ../target/bin/php ../target/bin/php-8.3.9

patches/php-8.3.9/cosmo-multicast.patch

@@ -0,0 +1,49 @@
+# Copyright (c) Alexandre Gomes Gaigalas <[email protected]>
+# SPDX-License-Identifier: ISC
+
+--- ext/sockets/multicast.h.orig	2024-07-07 10:15:00.221335337 -0300
++++ ext/sockets/multicast.h	2024-07-07 10:15:03.599347501 -0300
+@@ -14,11 +14,11 @@
+    +----------------------------------------------------------------------+
+  */
+
+-#if defined(MCAST_JOIN_GROUP) && !defined(__APPLE__)
++#if defined(MCAST_JOIN_GROUP) && !defined(__APPLE__) && !defined(__COSMOCC__)
+ # define RFC3678_API 1
+ /* has block/unblock and source membership, in this case for both IPv4 and IPv6 */
+ # define HAS_MCAST_EXT 1
+-#elif defined(IP_ADD_SOURCE_MEMBERSHIP) && !defined(__APPLE__)
++#elif defined(IP_ADD_SOURCE_MEMBERSHIP) && !defined(__APPLE__) && !defined(__COSMOCC__)
+ /* has block/unblock and source membership, but only for IPv4 */
+ # define HAS_MCAST_EXT 1
+ #endif
+
+--- ext/sockets/multicast.c.orig	2024-07-07 09:19:04.467193555 -0300
++++ ext/sockets/multicast.c	2024-07-07 10:01:31.563897681 -0300
+@@ -722,7 +722,7 @@
+ #define ifr_ifindex ifr_index
+ #endif
+
+-#if defined(SIOCGIFNAME)
++#if defined(SIOCGIFNAME) || defined(__COSMOCC__)
+ 	if_req.ifr_ifindex = if_index;
+ 	if (ioctl(php_sock->bsd_socket, SIOCGIFNAME, &if_req) == -1) {
+ #elif defined(HAVE_IF_INDEXTONAME)
+@@ -801,7 +801,7 @@
+ 		if ((((struct sockaddr*)&cur_req.ifr_addr)->sa_family == AF_INET) &&
+ 				(((struct sockaddr_in*)&cur_req.ifr_addr)->sin_addr.s_addr ==
+ 					addr->s_addr)) {
+-#if defined(SIOCGIFINDEX)
++#if defined(SIOCGIFINDEX)|| defined(__COSMOCC__)
+ 			if (ioctl(php_sock->bsd_socket, SIOCGIFINDEX, (char*)&cur_req)
+ 					== -1) {
+ #elif defined(HAVE_IF_NAMETOINDEX)
+@@ -815,7 +815,7 @@
+ 					errno);
+ 				goto err;
+ 			} else {
+-#if defined(SIOCGIFINDEX)
++#if defined(SIOCGIFINDEX) || defined(__COSMOCC__)
+ 				*if_index = cur_req.ifr_ifindex;
+ #else
+ 				*if_index = index_tmp;