Building GNUPG for PHP 5.5 on OSX

It’s quite tricky to build gnupg php extension on OSX. I’m using homebrew, so I installed necessary dependencies first:

brew install gpgme

This goes well as most things with brew.

Then I’m trying to install GNUPG PHP PECL extension as the instructions tell me to do:

sudo pecl install gnupg

Bang!!!

I get weird errors like these:

duplicate symbol _gnupg_keylistiterator_class_entry in:
.libs/gnupg.o
.libs/gnupg_keylistiterator.o
duplicate symbol _gnupg_class_entry in:
.libs/gnupg.o
.libs/gnupg_keylistiterator.o
ld: 2 duplicate symbols for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see invocation)
make: *** [gnupg.la] Error 1
ERROR: `make' failed

“Tough luck”, I think. But wait… After some googling around PHP bugs I got some hints.

So here’s what you got to do:

  1. download pecl extension source code
  2. fix 2 lines in .h and .c files
  3. phpize, configure and make
  4. configure PHP extension
  5. == Profit
pecl download gnupg

In my case it downloads files to /Users/sven/soft/php-5.5.4/ext/gnupg-1.3.3/gnupg-1.3.3.tgz

Unpack the archive:

tar xzf gnupg-1.3.3/gnupg-1.3.3.tgz
cd gnupg-1.3.3

Open file php_gnupg.h and add comments and explanation around line 50:

/* moved next line to gnupg.c
zend_class_entry *gnupg_class_entry;
 */

Copy the line zend_class_entry *gnupg_class_entry; to buffer. Save and exit.

Open file gnupg.c:

Find lines (around 177) and paste copied buffer so it looks like this:

zend_class_entry *gnupg_class_entry;
/* {{{ objects_new */
zend_object_value gnupg_obj_new(zend_class_entry *class_type TSRMLS_DC){

Do similar things with files gnupg_keylistiterator.c and php_gnupg_keylistiterator.h.

Open file  php_gnupg_keylistiterator.h around line 69:

/* moved next line to gnupg_keylistiterator.c
 zend_class_entry *gnupg_keylistiterator_class_entry;
 */

Copy line zend_class_entry *gnupg_keylistiterator_class_entry; to buffer. Save and exit.

Open file gnupg_keylistiterator.c around line 72 and make it look like this by pasting buffer:

zend_class_entry *gnupg_keylistiterator_class_entry;
/* {{{ keylistiterator_objects_new */
zend_object_value gnupg_keylistiterator_objects_new(zend_class_entry *class_type TSRMLS_DC){

Save and exit.

Configure, build and install: ./configure make clean && make make install

Now you should have php extension gnupg.so somewhere. I have it in my Cellar:

/usr/local/Cellar/php55/5.5.4/lib/php/extensions/no-debug-non-zts-20121212/gnupg.so

Wherever it is, copy the path to buffer.

Open a new file (your php-s conf.d may be somewhere else!)

vim /usr/local/etc/php/5.5/conf.d/ext-gnupg.ini

And add following lines there:

[gnupg]

extension="/usr/local/Cellar/php55/5.5.4/lib/php/extensions/no-debug-non-zts-20121212/gnupg.so"

Save and exit. Be sure to replace path if your gnupg.so is somewhere else.

Test your php:

php --ri gnupg

It should display something like this:

gnupg
gnupg support => enabled
GPGme Version => 1.4.3
Extension Version => 1.3.3-dev

Thanks!

 

 

 

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