[nongnu] elpa/emacsql b4d5ef41fe 410/427: make: Don't require pg.el to be available to build and test

[ELPA Syncer]

branch: elpa/emacsql
commit b4d5ef41fec34908b3fb435707d3fad534a3cfc3
Author: Jonas Bernoulli <jonas@bernoul.li>
Commit: Jonas Bernoulli <jonas@bernoul.li>

    make: Don't require pg.el to be available to build and test
    
    If it isn't available, a handful of warnings are shown, but
    compilation and testing continues, while at runtime failure
    is now delayed until `emacsql-pg' is used.
---
 emacsql-pg.el                   | 3 ++-
 tests/emacsql-external-tests.el | 2 +-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/emacsql-pg.el b/emacsql-pg.el
index 14abf8c74e..307d9112ce 100644
--- a/emacsql-pg.el
+++ b/emacsql-pg.el
@@ -19,7 +19,7 @@
 
 ;;; Code:
 
-(require 'pg)
+(require 'pg nil t)
 (require 'eieio)
 (require 'cl-lib)
 (require 'cl-generic)
@@ -40,6 +40,7 @@
 (cl-defun emacsql-pg (dbname user &key
                              (host "localhost") (password "") (port 5432) 
debug)
   "Connect to a PostgreSQL server using pg.el."
+  (require 'pg)
   (let* ((pgcon (pg:connect dbname user password host port))
          (connection (make-instance 'emacsql-pg-connection
                                     :process (pgcon-process pgcon)
diff --git a/tests/emacsql-external-tests.el b/tests/emacsql-external-tests.el
index 781efc29fb..98bf4d7f92 100644
--- a/tests/emacsql-external-tests.el
+++ b/tests/emacsql-external-tests.el
@@ -10,7 +10,7 @@
 (require 'emacsql-sqlite)
 (require 'emacsql-psql)
 (require 'emacsql-mysql)
-(require 'emacsql-pg)
+(when (require 'pg nil t) (require 'emacsql-pg))
 
 (defvar emacsql-tests-timeout 4
   "Be aggressive about not waiting on subprocesses in unit tests.")