diff -up php-7.4.1/build/Makefile.global.omv~ php-7.4.1/build/Makefile.global
--- php-7.4.1/build/Makefile.global.omv~	2020-01-09 17:28:46.652882773 +0100
+++ php-7.4.1/build/Makefile.global	2020-01-09 17:28:59.936882128 +0100
@@ -16,7 +16,7 @@ build-modules: $(PHP_MODULES) $(PHP_ZEND
 build-binaries: $(PHP_BINARIES)
 
 libphp$(PHP_MAJOR_VERSION)_common.la: $(PHP_GLOBAL_OBJS)
-	$(LIBTOOL) --mode=link --tag=CC $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -version-info 8:0:3 -rpath $(phptempdir) $(LDFLAGS) $(PHP_RPATHS) $(PHP_GLOBAL_OBJS) $(EXTRA_LIBS) $(ZEND_EXTRA_LIBS) -o $@
+	$(LIBTOOL) --mode=link --tag=CC $(CC) $(CFLAGS) $(EXTRA_CFLAGS) -version-info 8:0:3 -rpath $(phptempdir) $(LDFLAGS) $(PHP_RPATHS) $(PHP_GLOBAL_OBJS) $(EXTRA_LIBS) $(ZEND_EXTRA_LIBS) -lz -o $@
 	-@$(LIBTOOL) --silent --mode=install cp $@ $(phptempdir)/$@ >/dev/null 2>&1
 
 libphp$(PHP_MAJOR_VERSION).la: libphp$(PHP_MAJOR_VERSION)_common.la $(PHP_SAPI_OBJS)
diff -up php-7.4.1/ext/hash/hash.c.omv~ php-7.4.1/ext/hash/hash.c
--- php-7.4.1/ext/hash/hash.c.omv~	2020-01-09 15:43:14.481189986 +0100
+++ php-7.4.1/ext/hash/hash.c	2020-01-09 15:43:30.344189217 +0100
@@ -1486,7 +1486,7 @@ static const zend_function_entry hash_fu
 
 /* {{{ hash_module_entry
  */
-zend_module_entry hash_module_entry = {
+__attribute__((visibility("default"))) zend_module_entry hash_module_entry = {
 	STANDARD_MODULE_HEADER,
 	PHP_HASH_EXTNAME,
 	hash_functions,
diff -up php-7.4.1/ext/gd/gd.c.omv~ php-7.4.1/ext/gd/gd.c
--- php-7.4.1/ext/gd/gd.c.omv~	2020-01-10 21:34:30.189975665 +0100
+++ php-7.4.1/ext/gd/gd.c	2020-01-10 21:34:43.455975021 +0100
@@ -1018,7 +1018,7 @@ static const zend_function_entry gd_func
 };
 /* }}} */
 
-zend_module_entry gd_module_entry = {
+__attribute__((visibility("default"))) zend_module_entry gd_module_entry = {
 	STANDARD_MODULE_HEADER,
 	"gd",
 	gd_functions,