Description:
------------
"pecl install oauth" fails with PHP 7.4 from Git, with:

 cc -I. -I/tmp/pear/temp/oauth -DPHP_ATOM_INC -I/tmp/pear/temp/pear-build-dericksbH0O6/oauth-2.0.3/include -I/tmp/pear/temp/pear-build-dericksbH0O6/oauth-2.0.3/main -I/tmp/pear/temp/oauth -I/usr/local/php/7.4dev/include/php -I/usr/local/php/7.4dev/include/php/main -I/usr/local/php/7.4dev/include/php/TSRM -I/usr/local/php/7.4dev/include/php/Zend -I/usr/local/php/7.4dev/include/php/ext -I/usr/local/php/7.4dev/include/php/ext/date/lib -DHAVE_CONFIG_H -g -O0 -Wall -g -c /tmp/pear/temp/oauth/oauth.c  -fPIC -DPIC -o .libs/oauth.o
/tmp/pear/temp/oauth/provider.c: In function ‘oauth_provider_parse_auth_header’:
/tmp/pear/temp/oauth/provider.c:228:3: warning: passing argument 2 of ‘php_pcre_match_impl’ from incompatible pointer type [-Wincompatible-pointer-types]
   auth_header,
   ^~~~~~~~~~~
In file included from /tmp/pear/temp/oauth/php_oauth.h:47,
                 from /tmp/pear/temp/oauth/provider.c:13:
/usr/local/php/7.4dev/include/php/ext/pcre/php_pcre.h:44:70: note: expected ‘zend_string *’ {aka ‘struct _zend_string *’} but argument is of type ‘char *’
 PHPAPI void  php_pcre_match_impl(pcre_cache_entry *pce, zend_string *subject_str, zval *return_value,
                                                         ~~~~~~~~~~~~~^~~~~~~~~~~
/tmp/pear/temp/oauth/provider.c:229:3: warning: passing argument 3 of ‘php_pcre_match_impl’ makes pointer from integer without a cast [-Wint-conversion]
   strlen(auth_header),
   ^~~~~~~~~~~~~~~~~~~
In file included from /tmp/pear/temp/oauth/php_oauth.h:47,
                 from /tmp/pear/temp/oauth/provider.c:13:
/usr/local/php/7.4dev/include/php/ext/pcre/php_pcre.h:44:89: note: expected ‘zval *’ {aka ‘struct _zval_struct *’} but argument is of type ‘size_t’ {aka ‘long unsigned int’}
 PHPAPI void  php_pcre_match_impl(pcre_cache_entry *pce, zend_string *subject_str, zval *return_value,
                                                                                   ~~~~~~^~~~~~~~~~~~
/tmp/pear/temp/oauth/provider.c:231:3: warning: passing argument 5 of ‘php_pcre_match_impl’ makes integer from pointer without a cast [-Wint-conversion]
   &subpats,
   ^~~~~~~~
In file included from /tmp/pear/temp/oauth/php_oauth.h:47,
                 from /tmp/pear/temp/oauth/provider.c:13:
/usr/local/php/7.4dev/include/php/ext/pcre/php_pcre.h:45:21: note: expected ‘int’ but argument is of type ‘zval *’ {aka ‘struct _zval_struct *’}
  zval *subpats, int global, int use_flags, zend_long flags, zend_off_t start_offset);
                 ~~~~^~~~~~
/tmp/pear/temp/oauth/provider.c:226:2: error: too many arguments to function ‘php_pcre_match_impl’
  php_pcre_match_impl(
  ^~~~~~~~~~~~~~~~~~~
In file included from /tmp/pear/temp/oauth/php_oauth.h:47,
                 from /tmp/pear/temp/oauth/provider.c:13:
/usr/local/php/7.4dev/include/php/ext/pcre/php_pcre.h:44:14: note: declared here
 PHPAPI void  php_pcre_match_impl(pcre_cache_entry *pce, zend_string *subject_str, zval *return_value,
              ^~~~~~~~~~~~~~~~~~~
make: *** [Makefile:195: provider.lo] Error 1
make: *** Waiting for unfinished jobs....
/tmp/pear/temp/oauth/oauth.c: In function ‘make_req_streams’:
/tmp/pear/temp/oauth/oauth.c:785:18: warning: passing argument 1 of ‘smart_string_0’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
   smart_string_0(payload);
                  ^~~~~~~
In file included from /usr/local/php/7.4dev/include/php/ext/standard/php_smart_string.h:21,
                 from /tmp/pear/temp/oauth/php_oauth.h:35,
                 from /tmp/pear/temp/oauth/oauth.c:14:
/usr/local/php/7.4dev/include/php/Zend/zend_smart_string.h:75:61: note: expected ‘smart_string *’ {aka ‘struct <anonymous> *’} but argument is of type ‘const smart_string *’ {aka ‘const struct <anonymous> *’}
 static zend_always_inline void smart_string_0(smart_string *str) {
                                               ~~~~~~~~~~~~~~^~~
/tmp/pear/temp/oauth/oauth.c: In function ‘zm_startup_oauth’:
/tmp/pear/temp/oauth/oauth.c:2718:36: warning: assignment to ‘zend_object_write_property_t’ {aka ‘struct _zval_struct * (*)(struct _zval_struct *, struct _zval_struct *, struct _zval_struct *, void **)’} from incompatible pointer type ‘void (*)(zval *, zval *, zval *, void **)’ {aka ‘void (*)(struct _zval_struct *, struct _zval_struct *, struct _zval_struct *, void **)’} [-Wincompatible-pointer-types]
  so_object_handlers.write_property = oauth_write_member;
                                    ^
ERROR: `make' failed