PHP < 8.1 is not compatible with OpenSSL 3

[coder-liyang]

Description

Error in compiling php7.4.30

./configure \
--prefix=/usr/local/php7.4 \
--enable-mbstring \
--enable-xml \
--enable-pdo \
--enable-gd \
--enable-dom \
--enable-pcntl \
--enable-fpm \
--enable-bcmath \
--enable-sockets \
--enable-fpm \
--with-openssl \
--with-zlib \
--with-libxml \
--with-pdo_mysql \
--with-curl

make

sudo make install 

This error comes from make install

In file included from /home/liyang/Downloads/php-7.4.30/main/php.h:441,
                 from /home/liyang/Downloads/php-7.4.30/ext/openssl/openssl.c:28:
/home/liyang/Downloads/php-7.4.30/ext/openssl/openssl.c: In function ‘zm_startup_openssl’:
/home/liyang/Downloads/php-7.4.30/ext/openssl/openssl.c:1520:58: error: ‘RSA_SSLV23_PADDING’ undeclared (first use in this function); did you mean ‘RSA_PKCS1_PADDING’?
 1520 |         REGISTER_LONG_CONSTANT("OPENSSL_SSLV23_PADDING", RSA_SSLV23_PADDING, CONST_CS|CONST_PERSISTENT);
      |                                                          ^~~~~~~~~~~~~~~~~~
/home/liyang/Downloads/php-7.4.30/Zend/zend_constants.h:53:105: note: in definition of macro ‘REGISTER_LONG_CONSTANT’
   53 | #define REGISTER_LONG_CONSTANT(name, lval, flags)  zend_register_long_constant((name), sizeof(name)-1, (lval), (flags), module_number)
      |                                                                                                         ^~~~
/home/liyang/Downloads/php-7.4.30/ext/openssl/openssl.c:1520:58: note: each undeclared identifier is reported only once for each function it appears in
 1520 |         REGISTER_LONG_CONSTANT("OPENSSL_SSLV23_PADDING", RSA_SSLV23_PADDING, CONST_CS|CONST_PERSISTENT);
      |                                                          ^~~~~~~~~~~~~~~~~~
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In file included from /home/liyang/Downloads/php-7.4.30/ext/openssl/openssl.c:46:
/usr/include/openssl/rsa.h:288:5: note: declared here
  288 | int RSA_public_decrypt(int flen, const unsigned char *from, unsigned char *to,
      |     ^~~~~~~~~~~~~~~~~~
/home/liyang/Downloads/php-7.4.30/ext/openssl/openssl.c:5960:41: warning: ‘EVP_PKEY_get0_RSA’ is deprecated: Since OpenSSL 3.0 [-Wdeprecated-declarations]
 5960 |                                         EVP_PKEY_get0_RSA(pkey),
      |                                         ^~~~~~~~~~~~~~~~~
In file included from /home/liyang/Downloads/php-7.4.30/ext/openssl/openssl.c:44:
/usr/include/openssl/evp.h:1346:22: note: declared here
 1346 | const struct rsa_st *EVP_PKEY_get0_RSA(const EVP_PKEY *pkey);
      |                      ^~~~~~~~~~~~~~~~~
/home/liyang/Downloads/php-7.4.30/ext/openssl/openssl.c:5960:41: warning: passing argument 4 of ‘RSA_public_decrypt’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-qualifiers]
 5960 |                                         EVP_PKEY_get0_RSA(pkey),
      |                                         ^~~~~~~~~~~~~~~~~~~~~~~
In file included from /home/liyang/Downloads/php-7.4.30/ext/openssl/openssl.c:46:
/usr/include/openssl/rsa.h:289:29: note: expected ‘RSA *’ {aka ‘struct rsa_st *’} but argument is of type ‘const struct rsa_st *’
  289 |                        RSA *rsa, int padding);
      |                        ~~~~~^~~
make: *** [Makefile:706: ext/openssl/openssl.lo] Error 1

PHP Version

PHP 7.4.30

Operating System

Ubuntu 22.04 LTS

[coder-liyang]

openssl version
OpenSSL 3.0.2 15 Mar 2022 (Library: OpenSSL 3.0.2 15 Mar 2022)

[cmb69]

PHP 7.4 (and PHP 8.0) are not compatible with OpenSSL 3. Either use PHP 8.1, or stick with OpenSSL 1.1 with these older PHP versions.