php: Fix building pg extensions

packages/php/build.sh

@@ -32,8 +32,8 @@ ac_cv_func_res_nsearch=no
 --with-pcre-regex=$TERMUX_PREFIX
 --with-readline=$TERMUX_PREFIX
 --with-zlib
---with-pgsql=shared
+--with-pgsql=shared,$TERMUX_PREFIX
---with-pdo-pgsql=shared
+--with-pdo-pgsql=shared,$TERMUX_PREFIX
 --enable-fpm
 --sbindir=$TERMUX_PREFIX/bin
 "

packages/postgresql/build.sh

@@ -46,3 +46,9 @@ termux_step_post_make_install() {
 		(cd contrib/$contrib && make -s -j $TERMUX_MAKE_PROCESSES install)
 	done
 }
+
+termux_step_post_massage() {
+	# Remove bin/pg_config so e.g. php doesn't try to use it, which won't
+	# work as it's a cross-compiled binary:
+	rm $TERMUX_PREFIX/bin/pg_config
+}