From 63f33007df5eeb054a62fc14597e0075ce278172 Mon Sep 17 00:00:00 2001
From: Michael Orlitzky <michael@orlitzky.com>
Date: Mon, 12 Jan 2015 16:25:20 -0500
Subject: [PATCH] Allow installation of PDO drivers independent from legacy
 ones.

---
 dev-lang/php/php-5.6.4-r1.ebuild | 29 ++++++++++++++++++++++-------
 1 file changed, 22 insertions(+), 7 deletions(-)

diff --git a/dev-lang/php/php-5.6.4-r1.ebuild b/dev-lang/php/php-5.6.4-r1.ebuild
index 75631af..32fd2bc 100644
--- a/dev-lang/php/php-5.6.4-r1.ebuild
+++ b/dev-lang/php/php-5.6.4-r1.ebuild
@@ -75,6 +75,8 @@ IUSE="${IUSE} bcmath berkdb bzip2 calendar cdb cjk
 	sybase-ct sysvipc systemd tidy +tokenizer truetype unicode vpx wddx
 	+xml xmlreader xmlwriter xmlrpc xpm xslt zip zlib"
 
+# See REQUIRED_USE for an explanation of why we duplicate dependencies
+# for USE=pdo-foo.
 DEPEND="
 	>=app-admin/eselect-php-0.7.1-r3[apache2?,fpm?]
 	>=dev-libs/libpcre-8.32[unicode]
@@ -111,11 +113,17 @@ DEPEND="
 	mssql? ( dev-db/freetds[mssql] )
 	libmysqlclient? (
 		mysql? ( virtual/mysql )
-		mysqli? ( >=virtual/mysql-4.1 )
+		mysqli? ( virtual/mysql )
 	)
 	nls? ( sys-devel/gettext )
 	oci8-instant-client? ( dev-db/oracle-instantclient-basic )
 	odbc? ( >=dev-db/unixODBC-1.8.13 )
+	pdo-dblib? ( dev-db/freetds[mssql] )
+	pdo-oci? ( dev-db/oracle-instantclient-basic )
+	pdo-odbc? ( >=dev-db/unixODBC-1.8.13 )
+	pdo-mysql? ( virtual/mysql )
+	pdo-pgsql? ( dev-db/postgresql )
+	pdo-sqlite? ( >=dev-db/sqlite-3.7.6.3 )
 	postgres? ( dev-db/postgresql )
 	qdbm? ( dev-db/qdbm )
 	readline? ( sys-libs/readline )
@@ -155,6 +163,13 @@ DEPEND="
 
 php="=${CATEGORY}/${PF}"
 
+# All of the pdo-foo USE flags could require USE=foo, but this has an
+# unwanted side effect. USE=mysql, for example, also enables the old
+# deprecated mysql database driver. We would like it to be possible to
+# install pdo-mysql without the deprecated mysql driver, so we don't
+# require USE=mysql with USE=pdo-mysql. This means that we have to
+# reproduce the mysql? (...) dependencies for pdo-mysql in (R)DEPEND
+# above.
 REQUIRED_USE="
 	truetype? ( gd )
 	vpx? ( gd )
@@ -178,12 +193,12 @@ REQUIRED_USE="
 		pdo-mysql
 	) )
 
-	pdo-dblib? ( pdo mssql )
-	pdo-oci? ( pdo oci8-instant-client )
-	pdo-odbc? ( pdo odbc )
-	pdo-mysql? ( pdo mysql )
-	pdo-pgsql? ( pdo postgres )
-	pdo-sqlite? ( pdo sqlite )
+	pdo-dblib? ( pdo )
+	pdo-oci? ( pdo )
+	pdo-odbc? ( pdo )
+	pdo-mysql? ( pdo )
+	pdo-pgsql? ( pdo )
+	pdo-sqlite? ( pdo )
 	qdbm? ( !gdbm )
 	readline? ( !libedit )
 	recode? ( !imap !mysql !mysqli )
-- 
2.44.2